gcleaner | a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6

General

Target

a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe
Size

255KB
MD5

3c3969cc64c9f17a2fc232bb6adc22f2
SHA1

4a63e6ef037fd3e5ffcc97609258c72ebad88ab0
SHA256

a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6
SHA512

d573d247c8e6cc287691d7f6c1141b2074aa39fdcbc07f6c4a684307ecc136901b73bcbd0bf9b6e6c418af732bdd1794794253d9d5957f52d67409cb9a9b35a6
SSDEEP

3072:0S9kujIn3OfhxFb+EmBFV8z9AXlJSkIrjw3vNldU11bAS1UyGYNlThZAZ40Ud8:0vktiZpO1Pw3bsZAyUnylThZAZ40

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

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:

a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe

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

System Information Discovery
T1082

Program crash 9 IoCs

Processes:

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

pid	pid_target	process	target process
4344	1472	WerFault.exe	a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe
4772	1472	WerFault.exe	a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe
5020	1472	WerFault.exe	a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe
2220	1472	WerFault.exe	a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe
1960	1472	WerFault.exe	a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe
3436	1472	WerFault.exe	a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe
2424	1472	WerFault.exe	a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe
3476	1472	WerFault.exe	a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe
2812	1472	WerFault.exe	a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4504 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4504 taskkill.exe

pid	process
4504	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4504	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.execmd.exe

description	pid	process	target process
PID 1472 wrote to memory of 4712	1472	a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe	cmd.exe
PID 1472 wrote to memory of 4712	1472	a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe	cmd.exe
PID 1472 wrote to memory of 4712	1472	a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe	cmd.exe
PID 4712 wrote to memory of 4504	4712	cmd.exe	taskkill.exe
PID 4712 wrote to memory of 4504	4712	cmd.exe	taskkill.exe
PID 4712 wrote to memory of 4504	4712	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe
"C:\Users\Admin\AppData\Local\Temp\a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 740
2⤵
- Program crash
PID:4344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 748
2⤵
- Program crash
PID:4772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 772
2⤵
- Program crash
PID:5020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 780
2⤵
- Program crash
PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 768
2⤵
- Program crash
PID:1960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 788
2⤵
- Program crash
PID:3436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 748
2⤵
- Program crash
PID:2424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 1348
2⤵
- Program crash
PID:3476

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4712

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "a8e670addc2416e691f259146e2eca4e8448911e93f438ac4b23c9b6d46169f6.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 1292
2⤵
- Program crash
PID:2812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1472 -ip 1472
1⤵
PID:1172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1472 -ip 1472
1⤵
PID:3548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1472 -ip 1472
1⤵
PID:4468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1472 -ip 1472
1⤵
PID:1160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1472 -ip 1472
1⤵
PID:2616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1472 -ip 1472
1⤵
PID:2152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1472 -ip 1472
1⤵
PID:1352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1472 -ip 1472
1⤵
PID:1972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1472 -ip 1472
1⤵
PID:1688

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1472-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1472-2-0x00000000020B0000-0x00000000020DD000-memory.dmp

Filesize
180KB

Download
memory/1472-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/1472-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1472-5-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads