gcleaner | 3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a

General

Target

3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe
Size

255KB
MD5

12068b3c709689a76e7432ded539ab7c
SHA1

579515827d3db8f7a6c7fda2a3d68274538d7179
SHA256

3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a
SHA512

842b4b4adb51a8ba20748bd777cd413cb1f1254ae10f7f372b10374b6afe360e8e1eebf4ffccc524ba5b3d15280d2b408d6bb36f9b6a617c194784ac248697db
SSDEEP

6144:aehwWf8SYTepVWgv2YwRh9SDXgcj36+iMZ40:fhwWf8ApURVhiXgcb6Mq0

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.64

Attributes

url_path
/advdlc.php

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 8 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
3400	1776	WerFault.exe	3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe
872	1776	WerFault.exe	3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe
4900	1776	WerFault.exe	3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe
2692	1776	WerFault.exe	3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe
244	1776	WerFault.exe	3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe
1192	1776	WerFault.exe	3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe
3696	1776	WerFault.exe	3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe
2964	1776	WerFault.exe	3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4792 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4792 taskkill.exe

pid	process
4792	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4792	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.execmd.exe

description	pid	process	target process
PID 1776 wrote to memory of 1288	1776	3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe	cmd.exe
PID 1776 wrote to memory of 1288	1776	3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe	cmd.exe
PID 1776 wrote to memory of 1288	1776	3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe	cmd.exe
PID 1288 wrote to memory of 4792	1288	cmd.exe	taskkill.exe
PID 1288 wrote to memory of 4792	1288	cmd.exe	taskkill.exe
PID 1288 wrote to memory of 4792	1288	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe
"C:\Users\Admin\AppData\Local\Temp\3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 772
2⤵
- Program crash
PID:3400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 792
2⤵
- Program crash
PID:872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 772
2⤵
- Program crash
PID:4900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 844
2⤵
- Program crash
PID:2692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 976
2⤵
- Program crash
PID:244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 980
2⤵
- Program crash
PID:1192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 1436
2⤵
- Program crash
PID:3696

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1288

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "3153c3109e15bad00cb9d96580ab612fa553c6c15d248dddbffc3f6f7930639a.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 1464
2⤵
- Program crash
PID:2964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 1776 -ip 1776
1⤵
PID:4136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1776 -ip 1776
1⤵
PID:428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1776 -ip 1776
1⤵
PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1776 -ip 1776
1⤵
PID:3392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1776 -ip 1776
1⤵
PID:592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1776 -ip 1776
1⤵
PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1776 -ip 1776
1⤵
PID:1368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1776 -ip 1776
1⤵
PID:1044

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1776-1-0x0000000000710000-0x0000000000810000-memory.dmp

Filesize
1024KB

Download
memory/1776-2-0x00000000021B0000-0x00000000021DD000-memory.dmp

Filesize
180KB

Download
memory/1776-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1776-5-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/1776-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1776-6-0x00000000021B0000-0x00000000021DD000-memory.dmp

Filesize
180KB

Download

Analysis

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