306a86a5f20c305839fc374206ddc20bc38c88531d602782351871b0826dec1b

Analysis

max time kernel
4265064s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
15-01-2022 01:50

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General

Target

UnHAnaAW.arm7
Size

157KB
MD5

5a6f9f201e4ca6a7fdac10e632cb58b8
SHA1

930ce61517445d3401fa17e960c960772abd5b1b
SHA256

306a86a5f20c305839fc374206ddc20bc38c88531d602782351871b0826dec1b
SHA512

5aa41e11345d756f0e2d043e30cb47a7f0a2d42f1216da2b394580e69a3f88925adee9aa2612cee42ad353add2ab65220fd732048c352d34fcbb1147fbff543e

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotification.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotification.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotification.exe

Modifies registry class 2 IoCs

Processes:

cmd.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MusNotification.exe

description pid process

Token: SeShutdownPrivilege 3528 MusNotification.exe
Token: SeCreatePagefilePrivilege 3528 MusNotification.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

3048 OpenWith.exe

description	pid	process
Token: SeShutdownPrivilege	3528	MusNotification.exe
Token: SeCreatePagefilePrivilege	3528	MusNotification.exe

pid	process
3048	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\UnHAnaAW.arm7
1⤵
- Modifies registry class
PID:2500

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3048

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:3528

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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