c1a7fdbadcaef171e77d8259c01725a9aa7078c5e2dc59a642c39146588ea53e

Analysis

max time kernel
150s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 22:44

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General

Target

c1a7fdbadcaef171e77d8259c01725a9aa7078c5e2dc59a642c39146588ea53e.exe
Size

96KB
MD5

dffc47d850ab9789c967d04689fb85bb
SHA1

9e6686ab2b73c3e0f85fd775073fd25923d59c7b
SHA256

c1a7fdbadcaef171e77d8259c01725a9aa7078c5e2dc59a642c39146588ea53e
SHA512

1d835149dbe2be128f7418159bcde9188caa084981b5f78d335f16626d643c10f427fa0cd94a94ca49d9106012e714988ae8aa58199681feec74dcf1e7d23790
SSDEEP

1536:Tg3xy3uVuHc00u3LbsT7ydECxKRse33Awga+5i4SWduEsPfp:TIkNP3fsT7yeCxEsq3AwASWonp

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	c1a7fdbadcaef171e77d8259c01725a9aa7078c5e2dc59a642c39146588ea53e.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
1416	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1416	tasklist.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1888	c1a7fdbadcaef171e77d8259c01725a9aa7078c5e2dc59a642c39146588ea53e.exe
1888	c1a7fdbadcaef171e77d8259c01725a9aa7078c5e2dc59a642c39146588ea53e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 1936	1888	c1a7fdbadcaef171e77d8259c01725a9aa7078c5e2dc59a642c39146588ea53e.exe	87
PID 1888 wrote to memory of 1936	1888	c1a7fdbadcaef171e77d8259c01725a9aa7078c5e2dc59a642c39146588ea53e.exe	87
PID 1888 wrote to memory of 1936	1888	c1a7fdbadcaef171e77d8259c01725a9aa7078c5e2dc59a642c39146588ea53e.exe	87
PID 1936 wrote to memory of 1416	1936	cmd.exe	89
PID 1936 wrote to memory of 1416	1936	cmd.exe	89
PID 1936 wrote to memory of 1416	1936	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\c1a7fdbadcaef171e77d8259c01725a9aa7078c5e2dc59a642c39146588ea53e.exe
"C:\Users\Admin\AppData\Local\Temp\c1a7fdbadcaef171e77d8259c01725a9aa7078c5e2dc59a642c39146588ea53e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del c1a7fdbadcaef171e77d8259c01725a9aa
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1416

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

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Downloads

memory/1888-132-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

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memory/1888-138-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download