98b52813707d4293c6150cd7e602240ad1ca266807c3c7225f2a3dbf6de7a13d

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 14:41

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General

Target

MerekV3.08_Lite.rar
Size

6.0MB
MD5

f2bd1f51b61709643431a7b76fe711d3
SHA1

6a2b399f69060f506b57e9086cd885f5a97e53b3
SHA256

98b52813707d4293c6150cd7e602240ad1ca266807c3c7225f2a3dbf6de7a13d
SHA512

473bd23c632b6153e670b0576e56d842eef2fac7efd2622c6205e478c41d34f525dc50b7ad7a7f6c62e131d6d45ece2f982bbb15291b3aff8262a0f95400396c
SSDEEP

98304:/1nBT6FapjeZ+FOT5YFUbnppHpMlr5QwlUPwR6KF8IlSezJZQIDb+3wrahHR/w4a:/1nBXqZ+MlsUbppH21lU4R6KFjxVZHz5

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	cmd.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000_Classes\Local Settings	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	2064	7zFM.exe
Token: 35	2064	7zFM.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2064	7zFM.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2064	2288	cmd.exe	85
PID 2288 wrote to memory of 2064	2288	cmd.exe	85

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MerekV3.08_Lite.rar
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Program Files\7-Zip\7zFM.exe
  "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\MerekV3.08_Lite.rar"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:2064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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