f5186f9643e3eac02a888b65ae9b1e354add39f717dfc8843c57163fd81d0c05

Analysis

max time kernel
890s
max time network
444s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
03/05/2025, 04:49

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General

Target
1234/myfunny.dll
Size 273KB
Sample250503-ff72dsem5t
SHA256 9baf913ffa012157a99ba0982afb2e4c1f599479128080217df33e4ef33446f9
MD5 1ce00827de554e2194db71021ffc97d4
SHA1 8b3ccd457b471a38a01684f8e309f8f88bf2c56e
SHA512 6929ab057f5e08334a249cc9816600581accf4198dbe803445debf7eb13b899c09983eadd489029ef7bc85eb21b23e62464c6431462232de1f9e417e5416339c
SSDEEP 3072:mQyTWiOIsmU28ULcWSnVaOEtQyJen3nyLmYVkiL8JAusr91:eTJOoQWSnVaNLmYjLP91
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

ransomware

Malware Config

Signatures

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3582532709-2637047242-3508314386-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\black.bmp"	rundll32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3584 wrote to memory of 2616	3584	rundll32.exe	78
PID 3584 wrote to memory of 2616	3584	rundll32.exe	78
PID 3584 wrote to memory of 2008	3584	rundll32.exe	79
PID 3584 wrote to memory of 2008	3584	rundll32.exe	79
PID 3584 wrote to memory of 5280	3584	rundll32.exe	80
PID 3584 wrote to memory of 5280	3584	rundll32.exe	80
PID 3584 wrote to memory of 3800	3584	rundll32.exe	81
PID 3584 wrote to memory of 3800	3584	rundll32.exe	81
PID 3584 wrote to memory of 3548	3584	rundll32.exe	82
PID 3584 wrote to memory of 3548	3584	rundll32.exe	82
PID 3584 wrote to memory of 5556	3584	rundll32.exe	88
PID 3584 wrote to memory of 5556	3584	rundll32.exe	88
PID 3584 wrote to memory of 4452	3584	rundll32.exe	89
PID 3584 wrote to memory of 4452	3584	rundll32.exe	89
PID 3584 wrote to memory of 3160	3584	rundll32.exe	90
PID 3584 wrote to memory of 3160	3584	rundll32.exe	90
PID 3584 wrote to memory of 6112	3584	rundll32.exe	91
PID 3584 wrote to memory of 6112	3584	rundll32.exe	91
PID 3584 wrote to memory of 1540	3584	rundll32.exe	92
PID 3584 wrote to memory of 1540	3584	rundll32.exe	92

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1234\myfunny.dll,#1
1⤵
- Sets desktop wallpaper using registry
- Suspicious use of WriteProcessMemory
PID:3584
- C:\Windows\system32\cmd.exe
  cmd.exe /K title HI Gay && echo HI Gay && color 0A
  2⤵
  PID:2616
- C:\Windows\system32\cmd.exe
  cmd.exe /K title HI Gay && echo HI Gay && color 0A
  2⤵
  PID:2008
- C:\Windows\system32\cmd.exe
  cmd.exe /K title HI Gay && echo HI Gay && color 0A
  2⤵
  PID:5280
- C:\Windows\system32\cmd.exe
  cmd.exe /K title HI Gay && echo HI Gay && color 0A
  2⤵
  PID:3800
- C:\Windows\system32\cmd.exe
  cmd.exe /K title HI Gay && echo HI Gay && color 0A
  2⤵
  PID:3548
- C:\Windows\system32\cmd.exe
  cmd.exe /K title HI Gay && echo HI Gay && color 0A
  2⤵
  PID:5556
- C:\Windows\system32\cmd.exe
  cmd.exe /K title HI Gay && echo HI Gay && color 0A
  2⤵
  PID:4452
- C:\Windows\system32\cmd.exe
  cmd.exe /K title HI Gay && echo HI Gay && color 0A
  2⤵
  PID:3160
- C:\Windows\system32\cmd.exe
  cmd.exe /K title HI Gay && echo HI Gay && color 0A
  2⤵
  PID:6112
- C:\Windows\system32\cmd.exe
  cmd.exe /K title HI Gay && echo HI Gay && color 0A
  2⤵
  PID:1540

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

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Downloads

AMGAY_320_0.txt

Path C:\AMGAY_320_0.txt
Size 8B
SHA256 04658563218131ac2fe152e679885ad9b2f4a90e5717432bb0697ae2e526b889
MD5 a94e6ab2cb8fa48f5d74a4448a348630
SHA1 55d9ec513642addfbb628e38acad5fb4fbaef01f
SHA512 1f671d369fbb065c86668318cc4887a0b0c1d5ee7622fef71b2c218d6bedf6f4c7eb228547b974063fee4df28c1ddcedfc9126499eacb70d9e89656c1d963454
MD5 SHA1 SHA512

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memory/3584-649-0x00007FFED0210000-0x00007FFED0258000-memory.dmp

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