4ea881ce90cbf4c9f6f26b940e062bbd147531c6754390f7e61784d892b54668

Analysis

max time kernel
3s
max time network
10s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
20-01-2022 20:00

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General

Target

8f161c203384b95bc5b20e122a9c1c68.exe
Size

323KB
MD5

8f161c203384b95bc5b20e122a9c1c68
SHA1

c72b4a03fef8c75ff0aab7bd97722249c9334ab0
SHA256

4ea881ce90cbf4c9f6f26b940e062bbd147531c6754390f7e61784d892b54668
SHA512

5b057a81759833c140153d4154f03ec6f0d544411f6739310b0c9f271b77d613c50062076a9aec951a527fed3aa55cc9d2fdd2a9bdd337912e020cd986066587

Score

7^/10

Malware Config

Signatures

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

Processes:

8f161c203384b95bc5b20e122a9c1c68.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	8f161c203384b95bc5b20e122a9c1c68.exe

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

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

8f161c203384b95bc5b20e122a9c1c68.exe

description pid process

Token: SeDebugPrivilege 816 8f161c203384b95bc5b20e122a9c1c68.exe

description	pid	process
Token: SeDebugPrivilege	816	8f161c203384b95bc5b20e122a9c1c68.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

8f161c203384b95bc5b20e122a9c1c68.exe

description	pid	process	target process
PID 816 wrote to memory of 2384	816	8f161c203384b95bc5b20e122a9c1c68.exe	powershell.exe
PID 816 wrote to memory of 2384	816	8f161c203384b95bc5b20e122a9c1c68.exe	powershell.exe
PID 816 wrote to memory of 2384	816	8f161c203384b95bc5b20e122a9c1c68.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\8f161c203384b95bc5b20e122a9c1c68.exe
"C:\Users\Admin\AppData\Local\Temp\8f161c203384b95bc5b20e122a9c1c68.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc cABpAG4AZwAgAHkAYQBoAG8AbwAuAGMAbwBtADsAIABwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwBwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwBwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwBwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwA=
2⤵
PID:2384

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/816-130-0x0000000000340000-0x0000000000398000-memory.dmp

Filesize
352KB

Download
memory/816-131-0x00000000050E0000-0x0000000005684000-memory.dmp

Filesize
5.6MB

Download