f28f21fb731b222ba26788a21c5d8f9547c55e3a1703204fb634c7cdf12f75b4

Analysis

max time kernel
4265058s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
15-01-2022 01:50

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General

Target

UnHAnaAW.x86
Size

72KB
MD5

2fbd7450e710106e40f973c15359d94a
SHA1

981cf3e75f770741b2c8287fd080e0bdd31b17f2
SHA256

f28f21fb731b222ba26788a21c5d8f9547c55e3a1703204fb634c7cdf12f75b4
SHA512

5098684ea0b96cd2e663374b7eee3fdece6170c6eca0edecd7e11f17eb198cd97191c572a8e8aeb0876cc8a99ce45962ee82d55ab5baa5ea3cf78a5beecf76e8

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

Modifies registry class 2 IoCs

Processes:

cmd.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MusNotification.exe

description pid process

Token: SeShutdownPrivilege 3764 MusNotification.exe
Token: SeCreatePagefilePrivilege 3764 MusNotification.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

3980 OpenWith.exe

description	pid	process
Token: SeShutdownPrivilege	3764	MusNotification.exe
Token: SeCreatePagefilePrivilege	3764	MusNotification.exe

pid	process
3980	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\UnHAnaAW.x86
1⤵
- Modifies registry class
PID:3088

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3980

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:3764

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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