3ec3d7b4b3eeae490ae2f97ac7d52c0bec674384225d26a68d7b89ec84c60eaa

Analysis

max time kernel
4264987s
max time network
44s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
17-01-2022 06:42

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General

Target

6a571c4f162b1cd1c46abf16add0c1c1.exe
Size

4.1MB
MD5

6a571c4f162b1cd1c46abf16add0c1c1
SHA1

4ff32013415028c03f5687535f3d144623c1e081
SHA256

3ec3d7b4b3eeae490ae2f97ac7d52c0bec674384225d26a68d7b89ec84c60eaa
SHA512

97e387cd027ad83ae90fe016bbdd246195e566ad4b0764015751277ca39906ba17648b2a2e9943015f00b58b0c5610ff636a8b065e8d452f993cf61b46f999b9

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2088	321.exe

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-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	6a571c4f162b1cd1c46abf16add0c1c1.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
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

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\Local Settings	6a571c4f162b1cd1c46abf16add0c1c1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 3632	3936	6a571c4f162b1cd1c46abf16add0c1c1.exe	56
PID 3936 wrote to memory of 3632	3936	6a571c4f162b1cd1c46abf16add0c1c1.exe	56
PID 3936 wrote to memory of 3632	3936	6a571c4f162b1cd1c46abf16add0c1c1.exe	56
PID 3936 wrote to memory of 2088	3936	6a571c4f162b1cd1c46abf16add0c1c1.exe	63
PID 3936 wrote to memory of 2088	3936	6a571c4f162b1cd1c46abf16add0c1c1.exe	63
PID 3936 wrote to memory of 2088	3936	6a571c4f162b1cd1c46abf16add0c1c1.exe	63

C:\Users\Admin\AppData\Local\Temp\6a571c4f162b1cd1c46abf16add0c1c1.exe
"C:\Users\Admin\AppData\Local\Temp\6a571c4f162b1cd1c46abf16add0c1c1.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\lll.vbs"
  2⤵
  PID:3632
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\321.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\321.exe"
  2⤵
  - Executes dropped EXE
  PID:2088

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
PID:1788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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