gcleaner | 42e18100bc58d37f07f0c678a2a425dc4c1988f6a86cff80c456301789d58282

Analysis

max time kernel
78s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2023 18:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ae3afa452244676d55392d13204a9f67.exe
Size

312KB
MD5

ae3afa452244676d55392d13204a9f67
SHA1

cbfb355b8cb2aad2ddeded588358491083bb2306
SHA256

42e18100bc58d37f07f0c678a2a425dc4c1988f6a86cff80c456301789d58282
SHA512

c6b2b5f5587fa78dba3f500e31e353f2fb28056ce4e031f377f4c4af7d6a9e8a1b548025954ed0c1b181f326003090e459b8c298416c136a3b8ebf3ec1cbc97d
SSDEEP

6144:q6xqXIQqjW59PnLC4NjserDQjwHgb8D7mpjY0GU:1oXIQqjsNnLC4NjXUqm8

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

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:

ae3afa452244676d55392d13204a9f67.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	ae3afa452244676d55392d13204a9f67.exe

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

System Information Discovery
T1082

Program crash 7 IoCs

Processes:

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

pid	pid_target	process	target process
1120	2172	WerFault.exe	ae3afa452244676d55392d13204a9f67.exe
2260	2172	WerFault.exe	ae3afa452244676d55392d13204a9f67.exe
3064	2172	WerFault.exe	ae3afa452244676d55392d13204a9f67.exe
3308	2172	WerFault.exe	ae3afa452244676d55392d13204a9f67.exe
3432	2172	WerFault.exe	ae3afa452244676d55392d13204a9f67.exe
4148	2172	WerFault.exe	ae3afa452244676d55392d13204a9f67.exe
2716	2172	WerFault.exe	ae3afa452244676d55392d13204a9f67.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4852 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4852 taskkill.exe

pid	process
4852	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4852	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ae3afa452244676d55392d13204a9f67.execmd.exe

description	pid	process	target process
PID 2172 wrote to memory of 1972	2172	ae3afa452244676d55392d13204a9f67.exe	cmd.exe
PID 2172 wrote to memory of 1972	2172	ae3afa452244676d55392d13204a9f67.exe	cmd.exe
PID 2172 wrote to memory of 1972	2172	ae3afa452244676d55392d13204a9f67.exe	cmd.exe
PID 1972 wrote to memory of 4852	1972	cmd.exe	taskkill.exe
PID 1972 wrote to memory of 4852	1972	cmd.exe	taskkill.exe
PID 1972 wrote to memory of 4852	1972	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\ae3afa452244676d55392d13204a9f67.exe
"C:\Users\Admin\AppData\Local\Temp\ae3afa452244676d55392d13204a9f67.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 736
  2⤵
  - Program crash
  PID:1120
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 732
  2⤵
  - Program crash
  PID:2260
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 788
  2⤵
  - Program crash
  PID:3064
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 916
  2⤵
  - Program crash
  PID:3308
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 916
  2⤵
  - Program crash
  PID:3432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 964
  2⤵
  - Program crash
  PID:4148
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "ae3afa452244676d55392d13204a9f67.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ae3afa452244676d55392d13204a9f67.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "ae3afa452244676d55392d13204a9f67.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 1116
  2⤵
  - Program crash
  PID:2716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2172 -ip 2172
1⤵
PID:1176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2172 -ip 2172
1⤵
PID:2040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2172 -ip 2172
1⤵
PID:1420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2172 -ip 2172
1⤵
PID:396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2172 -ip 2172
1⤵
PID:1352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2172 -ip 2172
1⤵
PID:3872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2172 -ip 2172
1⤵
PID:840

Network

MITRE ATT&CK Enterprise v6

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/2172-134-0x00000000020C0000-0x0000000002100000-memory.dmp

Filesize
256KB

Download
memory/2172-135-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download