eacd5ed86a8ddd368a1089c7b97b791258e3eeb89c76c6da829b58d469f654b2

Analysis

max time kernel
150s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
28/03/2024, 22:56

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General

Target
MrsMajor 3.0.7z
Size 234KB
Sample240328-2wtplaba5t
SHA256 eacd5ed86a8ddd368a1089c7b97b791258e3eeb89c76c6da829b58d469f654b2
MD5 fedb45ddbd72fc70a81c789763038d81
SHA1 f1ed20c626d0a7ca2808ed768e7d7b319bc4c84a
SHA512 813c0367f3aeceea9be02ffad4bfa8092ea44b428e68db8f3f33e45e4e5e53599d985fa79a708679b6957cbd04d9b9d67b288137fa71ac5a59e917b8792c8298
SSDEEP 6144:HMMAgnxjSgdHCueEVIzAMAcqXvYEC86TFSQ:HagxjSg1xrIzAMAcuI5TFT
MD5 SHA1 SHA512 SSDEEP

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000_Classes\Local Settings	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	3064	7zFM.exe
Token: 35	3064	7zFM.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3064	7zFM.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 3064	4948	cmd.exe	79
PID 4948 wrote to memory of 3064	4948	cmd.exe	79

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\MrsMajor 3.0.7z"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Program Files\7-Zip\7zFM.exe
  "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\MrsMajor 3.0.7z"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:3064

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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Downloads