a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63

Analysis

max time kernel
143s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 17:16

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General

Target

a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63.exe
Size

48KB
MD5

433f0cc7c95d9d6c3ffc470c95cbb9f3
SHA1

7bb7ee9268bd4abe6b08375b0d3e64cb6633b3a1
SHA256

a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63
SHA512

3c1da7cc7c740604e28d5b8cb7adb545192533f80a2061ffeecd9108ee4f6c3077e65237b4e865c16f07ba57801235ccd7ff6dc32ea85ff9998ee9d8d17d22d6
SSDEEP

768:YJSHHO6Fj2wWqWVqY/QQQVuCQCVPwH+ObWOxJ:bu0CVpQjjV7OCCJ

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:

a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63.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

Processes:

tasklist.exe

pid process

4220 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 4220 tasklist.exe

pid	process
4220	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	4220	tasklist.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63.exe

pid	process
5056	a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63.exe
5056	a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63.execmd.exe

description	pid	process	target process
PID 5056 wrote to memory of 892	5056	a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63.exe	cmd.exe
PID 5056 wrote to memory of 892	5056	a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63.exe	cmd.exe
PID 5056 wrote to memory of 892	5056	a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63.exe	cmd.exe
PID 892 wrote to memory of 4220	892	cmd.exe	tasklist.exe
PID 892 wrote to memory of 4220	892	cmd.exe	tasklist.exe
PID 892 wrote to memory of 4220	892	cmd.exe	tasklist.exe

C:\Users\Admin\AppData\Local\Temp\a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63.exe
"C:\Users\Admin\AppData\Local\Temp\a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5056

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c tasklist&&del a51071fbc841a1c6505db206ae47703375e724fa4d50b64c56ecfa199aef7a63.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:892

C:\Windows\SysWOW64\tasklist.exe
tasklist
3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:4220

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

Replay Monitor

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Downloads

memory/892-135-0x0000000000000000-mapping.dmp

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memory/4220-136-0x0000000000000000-mapping.dmp

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