7bd94a7bc02b28faf2a69a116cef35d7f8b9fca0347054e636365899dc57479f

Analysis

max time kernel
154s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 22:21

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General

Target

7bd94a7bc02b28faf2a69a116cef35d7f8b9fca0347054e636365899dc57479f.exe
Size

48KB
MD5

7bb98635296eaefa2ba608904757cb70
SHA1

6d65e276c1701ba7a6465dbf6fa8b7b95b10ada8
SHA256

7bd94a7bc02b28faf2a69a116cef35d7f8b9fca0347054e636365899dc57479f
SHA512

c1c07cc39c705b3a4ee39ef11d6336a59d67d05c4485bbe655afd8a2b0a9ec741c5d1fa4ede3023409798a42c1721b35c451cba7f57a0d030e50694e4ee9cc4d
SSDEEP

768:MDx7jsf0pg+pMQ5CQ5UrnhA1X87QVrjkqDCyC:MDx7jI0j4A1X80Vvk6C3

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	7bd94a7bc02b28faf2a69a116cef35d7f8b9fca0347054e636365899dc57479f.exe

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

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
4620	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4620	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1896	7bd94a7bc02b28faf2a69a116cef35d7f8b9fca0347054e636365899dc57479f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 4212	1896	7bd94a7bc02b28faf2a69a116cef35d7f8b9fca0347054e636365899dc57479f.exe	81
PID 1896 wrote to memory of 4212	1896	7bd94a7bc02b28faf2a69a116cef35d7f8b9fca0347054e636365899dc57479f.exe	81
PID 1896 wrote to memory of 4212	1896	7bd94a7bc02b28faf2a69a116cef35d7f8b9fca0347054e636365899dc57479f.exe	81
PID 4212 wrote to memory of 4620	4212	cmd.exe	83
PID 4212 wrote to memory of 4620	4212	cmd.exe	83
PID 4212 wrote to memory of 4620	4212	cmd.exe	83

C:\Users\Admin\AppData\Local\Temp\7bd94a7bc02b28faf2a69a116cef35d7f8b9fca0347054e636365899dc57479f.exe
"C:\Users\Admin\AppData\Local\Temp\7bd94a7bc02b28faf2a69a116cef35d7f8b9fca0347054e636365899dc57479f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 7bd94a7bc02b28faf2a69a116cef35d7f8
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4212
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:4620

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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