27baf4f1ae8209cf198547d50a550d3827a654df447a915ee8a00d804b166d2e

Analysis

max time kernel
139s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
12/11/2023, 18:08

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General

Target

sysclean.exe
Size

87KB
MD5

00574aa7ce6ffde342958d07c032a1ee
SHA1

b9a0b8fabc4b41b4b2a807f8f0e6afb703ae2c30
SHA256

27baf4f1ae8209cf198547d50a550d3827a654df447a915ee8a00d804b166d2e
SHA512

c573fb8cdab2ab00f4fb20ef525a2d4e1083054ce89982742915cbb385cc62af873cd0ff5cecd15f03cdc52e38ce58e5aef1f842014920808499fa9d91ba51ee
SSDEEP

1536:y7fPGykbOqjoHm4pICdfkLtAfupcWX50MxFY+yIOlnToIfa:wq6+ouCpk2mpcWJ0r+QNTBfa

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-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	sysclean.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
4484	PING.EXE
3912	PING.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 2136	1000	sysclean.exe	92
PID 1000 wrote to memory of 2136	1000	sysclean.exe	92
PID 2136 wrote to memory of 3912	2136	cmd.exe	95
PID 2136 wrote to memory of 3912	2136	cmd.exe	95
PID 2136 wrote to memory of 4484	2136	cmd.exe	96
PID 2136 wrote to memory of 4484	2136	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\sysclean.exe
"C:\Users\Admin\AppData\Local\Temp\sysclean.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Windows\system32\cmd.exe
  "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\C285.tmp\C295.tmp\C296.bat C:\Users\Admin\AppData\Local\Temp\sysclean.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2136
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:3912
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:4484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\C285.tmp\C295.tmp\C296.bat

Filesize
111B

MD5
1418f8f753a323f07977b778052bc9fe

SHA1
24831d8b35fb14062c9c0b83c1fa43b0b521242e

SHA256
f05edd34f5ff291ec9ecdbe6b650ac3c098b761bd179a6ec5e5760e30aea0ba2

SHA512
61d3cf280a3c9b2fcfb889640ba65e7526748e74b5eaa64ec9a3a74bad3874eb361ac8b6f962bfb30721d697b2e94831a544ea7095128b4a41c27cdde87838b2

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