3f80c20fecafcfa264532eae938edb81dd04c8d0335c366f0b3c4c64ad529967

Analysis

max time kernel
139s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24-03-2024 23:27

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General

Target

data/appInfo/services/WinRAR.exe
Size

2.1MB
MD5

f59f4f7bea12dd7c8d44f0a717c21c8e
SHA1

17629ccb3bd555b72a4432876145707613100b3e
SHA256

f150b01c1cbc540c880dc00d812bcca1a8abe1166233227d621408f3e75b57d4
SHA512

44811f9a5f2917ccd56a7f894157fa305b749ca04903eeaeca493864742e459e0ce640c01c804c266283ce8c3e147c8e6b6cfd6c5cb717e2a374e92c32a63b2c
SSDEEP

49152:2oJAPtSHWxwJWzkDVkwg5NYUzNjteyUHBdH3y005:2ZAHWSxkfNNte9BpCN

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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3248 4372 WerFault.exe WinRAR.exe

pid	pid_target	process	target process
3248	4372	WerFault.exe	WinRAR.exe

Modifies registry class 2 IoCs

Processes:

WinRAR.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	WinRAR.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	WinRAR.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WinRAR.exe

pid process

4372 WinRAR.exe
4372 WinRAR.exe

pid	process
4372	WinRAR.exe
4372	WinRAR.exe

C:\Users\Admin\AppData\Local\Temp\data\appInfo\services\WinRAR.exe
"C:\Users\Admin\AppData\Local\Temp\data\appInfo\services\WinRAR.exe"
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4372
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 3096
  2⤵
  - Program crash
  PID:3248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4372 -ip 4372
1⤵
PID:4896

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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