gcleaner | 8f6b72579fe43b74f5078c80617629758e4ec2af078e44dd78e67d4cd8970eda

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
14/07/2024, 17:55

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
8f6b72579fe43b74f5078c80617629758e4ec2af078e44dd78e67d4cd8970eda.exe
Size 425KB
Sample240714-whytha1dlk
SHA256 8f6b72579fe43b74f5078c80617629758e4ec2af078e44dd78e67d4cd8970eda
MD5 9c60c7a55b9fc7f52d5a70ad64ca1825
SHA1 5f5141dbab802e0f6acdea895c29b057c465b6b6
SHA512 4be0a220e1dcd69a41c09e766e6e7147c249392f966d2ae191ccc962e8b87d14683a94675fc3a86abb322cb9480d83ec5dd637eeaf8562daee180c2c69c3417f
SSDEEP 3072:ToErjgEwYHK0ets/+1oTgQsxrAMyoJzupae9Ydj4qWZaqH1nxOoxUf4hZXnZ2y4f:TzBwYHZLOknoAke9Uj4FaBQnZl4bT
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90
77.105.160.30
185.172.128.69

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

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-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	8f6b72579fe43b74f5078c80617629758e4ec2af078e44dd78e67d4cd8970eda.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
332	3144	WerFault.exe	83

Kills process with taskkill 1 IoCs

evasion

pid	Process
3708	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3708	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 2512	3144	8f6b72579fe43b74f5078c80617629758e4ec2af078e44dd78e67d4cd8970eda.exe	89
PID 3144 wrote to memory of 2512	3144	8f6b72579fe43b74f5078c80617629758e4ec2af078e44dd78e67d4cd8970eda.exe	89
PID 3144 wrote to memory of 2512	3144	8f6b72579fe43b74f5078c80617629758e4ec2af078e44dd78e67d4cd8970eda.exe	89
PID 2512 wrote to memory of 3708	2512	cmd.exe	93
PID 2512 wrote to memory of 3708	2512	cmd.exe	93
PID 2512 wrote to memory of 3708	2512	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\8f6b72579fe43b74f5078c80617629758e4ec2af078e44dd78e67d4cd8970eda.exe
"C:\Users\Admin\AppData\Local\Temp\8f6b72579fe43b74f5078c80617629758e4ec2af078e44dd78e67d4cd8970eda.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "8f6b72579fe43b74f5078c80617629758e4ec2af078e44dd78e67d4cd8970eda.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8f6b72579fe43b74f5078c80617629758e4ec2af078e44dd78e67d4cd8970eda.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2512
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "8f6b72579fe43b74f5078c80617629758e4ec2af078e44dd78e67d4cd8970eda.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3708
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 1404
  2⤵
  - Program crash
  PID:332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3144 -ip 3144
1⤵
PID:3888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3144-1-0x00000000022E0000-0x00000000023E0000-memory.dmp

Download

memory/3144-2-0x0000000002260000-0x000000000229C000-memory.dmp

Download

memory/3144-3-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/3144-7-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/3144-6-0x0000000002260000-0x000000000229C000-memory.dmp

Download

memory/3144-5-0x0000000000400000-0x00000000020B2000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads