0bb9083847724d2a8e487e4eea494ad7362a67acb73ca0c649786c97368ed288

Analysis

max time kernel
53s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
03/04/2023, 04:07

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General

Target

Modules/.gitignore
Size

13B
MD5

1087fe2755f927b11f40f657b06e9d77
SHA1

58d951d3d0ef39fc3d9836ad87abb9c768d4eb54
SHA256

21074a7be22fa604aee1b7df40265d36ace6c65af86da3a50c405c7d04cf063e
SHA512

34ae7d08ad6ee1130c9373eb9c24c2417439c0743d2fd31431ee4cb05562ea9c17e54d324be55fe4ae2729d043775d7d6fbb73a66a08f00401e23696577d0001

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\gitignore_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\gitignore_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\gitignore_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\gitignore_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\gitignore_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.gitignore	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.gitignore\ = "gitignore_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\gitignore_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
576	AcroRd32.exe
576	AcroRd32.exe
576	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 1460	2044	cmd.exe	28
PID 2044 wrote to memory of 1460	2044	cmd.exe	28
PID 2044 wrote to memory of 1460	2044	cmd.exe	28
PID 1460 wrote to memory of 576	1460	rundll32.exe	29
PID 1460 wrote to memory of 576	1460	rundll32.exe	29
PID 1460 wrote to memory of 576	1460	rundll32.exe	29
PID 1460 wrote to memory of 576	1460	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Modules\.gitignore
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Modules\.gitignore
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Modules\.gitignore"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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