eacd5ed86a8ddd368a1089c7b97b791258e3eeb89c76c6da829b58d469f654b2

Analysis

max time kernel
96s
max time network
15s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-02-2024 13:42

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General

Target

MrsMajor 3.0.7z
Size

234KB
MD5

fedb45ddbd72fc70a81c789763038d81
SHA1

f1ed20c626d0a7ca2808ed768e7d7b319bc4c84a
SHA256

eacd5ed86a8ddd368a1089c7b97b791258e3eeb89c76c6da829b58d469f654b2
SHA512

813c0367f3aeceea9be02ffad4bfa8092ea44b428e68db8f3f33e45e4e5e53599d985fa79a708679b6957cbd04d9b9d67b288137fa71ac5a59e917b8792c8298
SSDEEP

6144:HMMAgnxjSgdHCueEVIzAMAcqXvYEC86TFSQ:HagxjSg1xrIzAMAcuI5TFT

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
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7zFM.exe

pid process

1884 7zFM.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

7zFM.exe

description pid process

Token: SeRestorePrivilege 1884 7zFM.exe
Token: 35 1884 7zFM.exe
Token: SeSecurityPrivilege 1884 7zFM.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

7zFM.exe

pid process

1884 7zFM.exe
1884 7zFM.exe

pid	process
1884	7zFM.exe

description	pid	process
Token: SeRestorePrivilege	1884	7zFM.exe
Token: 35	1884	7zFM.exe
Token: SeSecurityPrivilege	1884	7zFM.exe

pid	process
1884	7zFM.exe
1884	7zFM.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 2648 wrote to memory of 1884	2648	cmd.exe	7zFM.exe
PID 2648 wrote to memory of 1884	2648	cmd.exe	7zFM.exe
PID 2648 wrote to memory of 1884	2648	cmd.exe	7zFM.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\MrsMajor 3.0.7z"
1⤵
- Suspicious use of WriteProcessMemory
PID:2648

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 behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1884

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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