gcleaner | eb59507a4b590c4cedb5d0c041bd9a92ec7293700625a77eca3c495ab0835179

Analysis

max time kernel
91s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 07:56

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General

Target
8bcd8cef9d032eeda98f8e9d646efef2.exe
Size 316KB
Sample240203-js28fsehdm
SHA256 eb59507a4b590c4cedb5d0c041bd9a92ec7293700625a77eca3c495ab0835179
MD5 8bcd8cef9d032eeda98f8e9d646efef2
SHA1 1184b814ed2dc0261d652de3b1fd880fa1ae9503
SHA512 75a626b32a95465a4c20709f9feac3c08d13d79c646572c294009b3622267e138079f474aa8578006d966358b6dc007f51891750c512433539fd28b0baab1d1d
SSDEEP 6144:IbFLdTmxXDliXyI/+2JBvnz5bFtHJn3IFtm8oyMGd7TuK:IbFJmXDwyIWOJ5nHJn3IvN7T
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

194.145.227.161

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger

OnlyLogger payload 4 IoCs

resource	yara_rule
behavioral2/memory/1544-2-0x00000000022D0000-0x0000000002318000-memory.dmp	family_onlylogger
behavioral2/memory/1544-3-0x0000000000400000-0x000000000216C000-memory.dmp	family_onlylogger
behavioral2/memory/1544-4-0x0000000000400000-0x000000000216C000-memory.dmp	family_onlylogger
behavioral2/memory/1544-5-0x00000000022D0000-0x0000000002318000-memory.dmp	family_onlylogger

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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	8bcd8cef9d032eeda98f8e9d646efef2.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
3544	1544	WerFault.exe	84

Kills process with taskkill 1 IoCs

evasion

pid	Process
4596	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4596	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 2148	1544	8bcd8cef9d032eeda98f8e9d646efef2.exe	90
PID 1544 wrote to memory of 2148	1544	8bcd8cef9d032eeda98f8e9d646efef2.exe	90
PID 1544 wrote to memory of 2148	1544	8bcd8cef9d032eeda98f8e9d646efef2.exe	90
PID 2148 wrote to memory of 4596	2148	cmd.exe	93
PID 2148 wrote to memory of 4596	2148	cmd.exe	93
PID 2148 wrote to memory of 4596	2148	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\8bcd8cef9d032eeda98f8e9d646efef2.exe
"C:\Users\Admin\AppData\Local\Temp\8bcd8cef9d032eeda98f8e9d646efef2.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "8bcd8cef9d032eeda98f8e9d646efef2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8bcd8cef9d032eeda98f8e9d646efef2.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "8bcd8cef9d032eeda98f8e9d646efef2.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 684
  2⤵
  - Program crash
  PID:3544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 80 -p 1544 -ip 1544
1⤵
PID:4976

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

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Downloads

memory/1544-1-0x0000000002360000-0x0000000002460000-memory.dmp

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memory/1544-2-0x00000000022D0000-0x0000000002318000-memory.dmp

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memory/1544-3-0x0000000000400000-0x000000000216C000-memory.dmp

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memory/1544-4-0x0000000000400000-0x000000000216C000-memory.dmp

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memory/1544-5-0x00000000022D0000-0x0000000002318000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads