gcleaner | ad1a55297078632470302dcc6e350965122c44bcbedeaadbaf87f992a5836ee0

General

Target

ad1a55297078632470302dcc6e350965122c44bcbedeaadbaf87f992a5836ee0.exe
Size

336KB
MD5

4d73dce22d36105014e589a7cdd5ad04
SHA1

cb930cdce8251fb84ab6f6b88792dfe01f84e7c4
SHA256

ad1a55297078632470302dcc6e350965122c44bcbedeaadbaf87f992a5836ee0
SHA512

e68f109245eeb50a3e3052b13ccc005905b99f25fb08b06d6c8011019e46a075dead58ec4903cb40e78d6c5697f97dab0d7ebcb241b1ba064f168baa4ef4a8f1
SSDEEP

3072:Odk4+c0ObwJPNLHn0rQnSt2+ePTx35RKd9lVOuSj1prrqxHzFYqy7sMaC1rv6+El:hPPtH0kSt2A3Sxu9FYiC1rvvEN3O

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	ad1a55297078632470302dcc6e350965122c44bcbedeaadbaf87f992a5836ee0.exe

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

System Information Discovery
T1082

Program crash 8 IoCs

pid	pid_target	Process	procid_target
4008	3620	WerFault.exe	86
1132	3620	WerFault.exe	86
3760	3620	WerFault.exe	86
2660	3620	WerFault.exe	86
2688	3620	WerFault.exe	86
3960	3620	WerFault.exe	86
436	3620	WerFault.exe	86
4588	3620	WerFault.exe	86

Kills process with taskkill 1 IoCs

evasion

pid	Process
4900	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4900	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 3108	3620	ad1a55297078632470302dcc6e350965122c44bcbedeaadbaf87f992a5836ee0.exe	108
PID 3620 wrote to memory of 3108	3620	ad1a55297078632470302dcc6e350965122c44bcbedeaadbaf87f992a5836ee0.exe	108
PID 3620 wrote to memory of 3108	3620	ad1a55297078632470302dcc6e350965122c44bcbedeaadbaf87f992a5836ee0.exe	108
PID 3108 wrote to memory of 4900	3108	cmd.exe	110
PID 3108 wrote to memory of 4900	3108	cmd.exe	110
PID 3108 wrote to memory of 4900	3108	cmd.exe	110

C:\Users\Admin\AppData\Local\Temp\ad1a55297078632470302dcc6e350965122c44bcbedeaadbaf87f992a5836ee0.exe
"C:\Users\Admin\AppData\Local\Temp\ad1a55297078632470302dcc6e350965122c44bcbedeaadbaf87f992a5836ee0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 748
  2⤵
  - Program crash
  PID:4008
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 756
  2⤵
  - Program crash
  PID:1132
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 756
  2⤵
  - Program crash
  PID:3760
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 780
  2⤵
  - Program crash
  PID:2660
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 908
  2⤵
  - Program crash
  PID:2688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 1004
  2⤵
  - Program crash
  PID:3960
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 1092
  2⤵
  - Program crash
  PID:436
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 1336
  2⤵
  - Program crash
  PID:4588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "ad1a55297078632470302dcc6e350965122c44bcbedeaadbaf87f992a5836ee0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ad1a55297078632470302dcc6e350965122c44bcbedeaadbaf87f992a5836ee0.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3108
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "ad1a55297078632470302dcc6e350965122c44bcbedeaadbaf87f992a5836ee0.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3620 -ip 3620
1⤵
PID:4688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3620 -ip 3620
1⤵
PID:1180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3620 -ip 3620
1⤵
PID:2388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3620 -ip 3620
1⤵
PID:4512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3620 -ip 3620
1⤵
PID:2604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3620 -ip 3620
1⤵
PID:3048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3620 -ip 3620
1⤵
PID:2736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3620 -ip 3620
1⤵
PID:3920

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

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Downloads

memory/3620-1-0x0000000003020000-0x0000000003120000-memory.dmp

Filesize
1024KB

Download
memory/3620-2-0x0000000002E90000-0x0000000002EBD000-memory.dmp

Filesize
180KB

Download
memory/3620-3-0x0000000000400000-0x0000000002D33000-memory.dmp

Filesize
41.2MB

Download
memory/3620-5-0x0000000000400000-0x0000000002D33000-memory.dmp

Filesize
41.2MB

Download
memory/3620-6-0x0000000002E90000-0x0000000002EBD000-memory.dmp

Filesize
180KB

Download

Analysis

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