48c5c320db86ee2eaa7420a28c27205e2318489f04cec23e67f9c784426bb5e6

Resubmissions

09/05/2025, 20:32

250509-zbkj3sbn9w 7

08/05/2025, 08:53

250508-ktnxwsskv3 7

Analysis

max time kernel
53s
platform
windows11-21h2_x64
resource
win11-20250502-en
resource tags

arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
submitted
08/05/2025, 08:53

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General

Target

GoodGirl.exe
Size

28.8MB
MD5

b51cf93ed17768f7a5462042a7a8262a
SHA1

538813357cfc69c0c633c777a6b558d3b30418a2
SHA256

48c5c320db86ee2eaa7420a28c27205e2318489f04cec23e67f9c784426bb5e6
SHA512

dda7c9a0fdbf7de1c3ef5740e581196dadc40b87f75acd21ded492ca0c068dc32ca6446428a0e651e1bb879fe0e71a7e33336b6868d3741946c5ea21522eb746
SSDEEP

786432:Jm6WYkJ/cccerNmc8QxF9NDjOethz/ENbToDKfN:JmFzJ5cerNXlNDjOWE

Score

7^/10

ransomware

Malware Config

Signatures

Loads dropped DLL 11 IoCs

pid	Process
2112	GoodGirl.exe
2112	GoodGirl.exe
2112	GoodGirl.exe
2112	GoodGirl.exe
2112	GoodGirl.exe
2112	GoodGirl.exe
2112	GoodGirl.exe
2112	GoodGirl.exe
2112	GoodGirl.exe
2112	GoodGirl.exe
2112	GoodGirl.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3518521428-3897247806-4080064211-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_MEI4282\\media/background.png"	GoodGirl.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3518521428-3897247806-4080064211-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe
Key created	\REGISTRY\USER\S-1-5-21-3518521428-3897247806-4080064211-1000_Classes\Local Settings	GoodGirl.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1500	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1500	vlc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	3652	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3652	AUDIODG.EXE
Token: 33	1500	vlc.exe
Token: SeIncBasePriorityPrivilege	1500	vlc.exe

Suspicious use of FindShellTrayWindow 23 IoCs

pid	Process
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2964	MiniSearchHost.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe
1500	vlc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 428 wrote to memory of 2112	428	GoodGirl.exe	81
PID 428 wrote to memory of 2112	428	GoodGirl.exe	81
PID 2112 wrote to memory of 1500	2112	GoodGirl.exe	85
PID 2112 wrote to memory of 1500	2112	GoodGirl.exe	85

C:\Users\Admin\AppData\Local\Temp\GoodGirl.exe
"C:\Users\Admin\AppData\Local\Temp\GoodGirl.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:428
- C:\Users\Admin\AppData\Local\Temp\GoodGirl.exe
  "C:\Users\Admin\AppData\Local\Temp\GoodGirl.exe"
  2⤵
  - Loads dropped DLL
  - Sets desktop wallpaper using registry
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\_MEI4282\media\video.mp4"
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:1500

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2964

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004DC 0x00000000000004E0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3652

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact