gcleaner | fc351f28e8b2ed6ba6a176e4277483fb3ae15eb1b86e219510bdd92c17705861

General

Target

fc351f28e8b2ed6ba6a176e4277483fb3ae15eb1b86e219510bdd92c17705861.exe
Size

251KB
MD5

cfa4a6a0f53745a8da3ebf200e704467
SHA1

3107c8abda139b890d4b98f27ddc41a0f3034ff4
SHA256

fc351f28e8b2ed6ba6a176e4277483fb3ae15eb1b86e219510bdd92c17705861
SHA512

84eadd94e267003b42f9f12d96bc712e9757698c4521b7107530834a69e14b49d44b2019d3f5b9a549ece15208a92159347a96863dce2713d7489958d3407361
SSDEEP

3072:UGRP4dODEy9Sj0rwwn9+3BgHRgvbhRAjmk+XxS9+d3ODbQsMx9N9p1nCdwst2j2C:SS3ck79hqbhRAmVxSsg4suN9vC32CmY

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-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	fc351f28e8b2ed6ba6a176e4277483fb3ae15eb1b86e219510bdd92c17705861.exe

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

System Information Discovery
T1082

Program crash 9 IoCs

pid	pid_target	Process	procid_target
3120	2224	WerFault.exe	81
4440	2224	WerFault.exe	81
3252	2224	WerFault.exe	81
4024	2224	WerFault.exe	81
348	2224	WerFault.exe	81
2424	2224	WerFault.exe	81
3904	2224	WerFault.exe	81
796	2224	WerFault.exe	81
3872	2224	WerFault.exe	81

Kills process with taskkill 1 IoCs

evasion

pid	Process
1084	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1084	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2200	2224	fc351f28e8b2ed6ba6a176e4277483fb3ae15eb1b86e219510bdd92c17705861.exe	110
PID 2224 wrote to memory of 2200	2224	fc351f28e8b2ed6ba6a176e4277483fb3ae15eb1b86e219510bdd92c17705861.exe	110
PID 2224 wrote to memory of 2200	2224	fc351f28e8b2ed6ba6a176e4277483fb3ae15eb1b86e219510bdd92c17705861.exe	110
PID 2200 wrote to memory of 1084	2200	cmd.exe	114
PID 2200 wrote to memory of 1084	2200	cmd.exe	114
PID 2200 wrote to memory of 1084	2200	cmd.exe	114

C:\Users\Admin\AppData\Local\Temp\fc351f28e8b2ed6ba6a176e4277483fb3ae15eb1b86e219510bdd92c17705861.exe
"C:\Users\Admin\AppData\Local\Temp\fc351f28e8b2ed6ba6a176e4277483fb3ae15eb1b86e219510bdd92c17705861.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 740
  2⤵
  - Program crash
  PID:3120
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 740
  2⤵
  - Program crash
  PID:4440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 740
  2⤵
  - Program crash
  PID:3252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 836
  2⤵
  - Program crash
  PID:4024
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 908
  2⤵
  - Program crash
  PID:348
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 996
  2⤵
  - Program crash
  PID:2424
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 1016
  2⤵
  - Program crash
  PID:3904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 1324
  2⤵
  - Program crash
  PID:796
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "fc351f28e8b2ed6ba6a176e4277483fb3ae15eb1b86e219510bdd92c17705861.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fc351f28e8b2ed6ba6a176e4277483fb3ae15eb1b86e219510bdd92c17705861.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "fc351f28e8b2ed6ba6a176e4277483fb3ae15eb1b86e219510bdd92c17705861.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 1352
  2⤵
  - Program crash
  PID:3872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2224 -ip 2224
1⤵
PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2224 -ip 2224
1⤵
PID:4744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2224 -ip 2224
1⤵
PID:760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2224 -ip 2224
1⤵
PID:224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2224 -ip 2224
1⤵
PID:3476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2224 -ip 2224
1⤵
PID:1532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2224 -ip 2224
1⤵
PID:2316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2224 -ip 2224
1⤵
PID:3796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2224 -ip 2224
1⤵
PID:4048

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/2224-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2224-2-0x00000000008F0000-0x000000000091D000-memory.dmp

Filesize
180KB

Download
memory/2224-1-0x0000000000B40000-0x0000000000C40000-memory.dmp

Filesize
1024KB

Download
memory/2224-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2224-5-0x0000000000400000-0x0000000000796000-memory.dmp

Filesize
3.6MB

Download

Analysis

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