gcleaner | b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c

General

Target

b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
Size

249KB
MD5

48f76e2a8670044eef4c291f466b04d5
SHA1

002a850434201820e46606a4b7e84dae0c89e680
SHA256

b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c
SHA512

78d90b1ccb487ace0e56be84e7243d06ffa5f77a9b52b61f7e14d50114e93cbadf87e85e9087d27102ad1f31721d4f86be02785de9213be0ec2ce24b8b268715
SSDEEP

3072:7kqh9r/TOuW9dtETLiG2bA5n5+3mRXLC6ChRd8iVvt4wDFLv8C35g:7rPr/lgdCnw+5vRbCjhRyml6

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.64.56

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

Processes:

b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe

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

System Information Discovery
T1082

Program crash 10 IoCs

Processes:

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

pid	pid_target	process	target process
2700	100	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
1392	100	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
1988	100	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
4328	100	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
1452	100	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
4660	100	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
2412	100	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
2756	100	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
808	100	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
2148	100	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3868 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3868 taskkill.exe

pid	process
3868	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3868	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.execmd.exe

description	pid	process	target process
PID 100 wrote to memory of 3100	100	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe	cmd.exe
PID 100 wrote to memory of 3100	100	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe	cmd.exe
PID 100 wrote to memory of 3100	100	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe	cmd.exe
PID 3100 wrote to memory of 3868	3100	cmd.exe	taskkill.exe
PID 3100 wrote to memory of 3868	3100	cmd.exe	taskkill.exe
PID 3100 wrote to memory of 3868	3100	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
"C:\Users\Admin\AppData\Local\Temp\b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:100
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 100 -s 456
  2⤵
  - Program crash
  PID:2700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 100 -s 764
  2⤵
  - Program crash
  PID:1392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 100 -s 784
  2⤵
  - Program crash
  PID:1988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 100 -s 784
  2⤵
  - Program crash
  PID:4328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 100 -s 836
  2⤵
  - Program crash
  PID:1452
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 100 -s 808
  2⤵
  - Program crash
  PID:4660
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 100 -s 936
  2⤵
  - Program crash
  PID:2412
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 100 -s 1032
  2⤵
  - Program crash
  PID:2756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 100 -s 1380
  2⤵
  - Program crash
  PID:808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3100
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3868
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 100 -s 1488
  2⤵
  - Program crash
  PID:2148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 100 -ip 100
1⤵
PID:3244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 100 -ip 100
1⤵
PID:1828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 100 -ip 100
1⤵
PID:2448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 100 -ip 100
1⤵
PID:208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 100 -ip 100
1⤵
PID:4892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 100 -ip 100
1⤵
PID:2052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 100 -ip 100
1⤵
PID:3700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 100 -ip 100
1⤵
PID:4412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 100 -ip 100
1⤵
PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 100 -ip 100
1⤵
PID:4864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/100-1-0x0000000002240000-0x0000000002340000-memory.dmp

Filesize
1024KB

Download
memory/100-2-0x0000000003AE0000-0x0000000003B1C000-memory.dmp

Filesize
240KB

Download
memory/100-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/100-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/100-6-0x0000000000400000-0x0000000001F89000-memory.dmp

Filesize
27.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads