40dca8cc9156a448082670599d1779339738028a616b3c1047178cf0a0baa6e5

Analysis

max time kernel
442s
max time network
1170s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
23/02/2024, 12:36

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General

Target

doc/pclxps/ghostpdl.tex
Size

17KB
MD5

211a894e2d21512593597eecbf3b3c58
SHA1

5dd96394bddfdada2b391248542ae37541a8f414
SHA256

ce91de7d4ce957e272683aec46b7ebc62ca41f888bf461b221c54b224d02fdf7
SHA512

f8bd6aac1fe100e51091fcdf98106cb200bd7b4290f73648ce22130203ffd5832187423b8476b654fd3b3a02c2301014f46884e39d4610672d987960aa9a1677
SSDEEP

384:/mO/V/vw1CbCEwB1ktPWGHzz4MlFo6kRsvoW3jwzkivuODFm/aW631tyKmY:TVtI/GHzz4koTRsvoArmynY

Score

3^/10

Malware Config

Signatures

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-1-5-21-2828415587-3732861812-1919322417-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2828415587-3732861812-1919322417-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4964	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1292	OpenWith.exe

Suspicious use of SetWindowsHookEx 21 IoCs

pid	Process
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe
1292	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 4964	1292	OpenWith.exe	95
PID 1292 wrote to memory of 4964	1292	OpenWith.exe	95

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\doc\pclxps\ghostpdl.tex
1⤵
- Modifies registry class
PID:2616

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\doc\pclxps\ghostpdl.tex
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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