66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861

Analysis

max time kernel
148s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 23:21

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General

Target

66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe
Size

112KB
MD5

3a61938ac112830fc4846f8ee994f6c9
SHA1

0294338003735e683bf2d33d54067e8d7636f240
SHA256

66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861
SHA512

4c0c88a38ca358a5857090e034a7c4c3b329f352684e0e7c7069dc08e50badc251d47110b057aefc78fd45e0956f784f73f75724df4268525dc340a74c1a200a
SSDEEP

1536:tA7fe/ZfdsAiIrSMfBXbeLUYOoBl5Fft8c3zJdx2ntpDWIkFsbXV/xpq/L0cRioH:tGGZnTtov/ebUocRiozmNijlQCxtSz2

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.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
812	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	812	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5072	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 1672	5072	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe	82
PID 5072 wrote to memory of 1672	5072	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe	82
PID 5072 wrote to memory of 1672	5072	66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe	82
PID 1672 wrote to memory of 812	1672	cmd.exe	84
PID 1672 wrote to memory of 812	1672	cmd.exe	84
PID 1672 wrote to memory of 812	1672	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe
"C:\Users\Admin\AppData\Local\Temp\66d8d623f573a4d9b66a549394e3dc9902a9506f8a01391fea330e6fa88b1861.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 66d8d623f573a4d9b66a549394e3dc9902
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:812

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/812-136-0x0000000000000000-mapping.dmp

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memory/1672-135-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads