gcleaner | e8861db5a72c3d6b325c38374814b043db31dec82641b4d2b1f2903fad1cfefe

General

Target

e8861db5a72c3d6b325c38374814b043db31dec82641b4d2b1f2903fad1cfefe.exe
Size

262KB
MD5

bf07b425cceca0a2080af4b7527328e8
SHA1

d9eb9b98498e9a302069032bc390b62a2c339d2b
SHA256

e8861db5a72c3d6b325c38374814b043db31dec82641b4d2b1f2903fad1cfefe
SHA512

b488277e1da4492d68dbad9289104debf9bffa0c75d0624a951133410502dd0b43f11ee7c4d4805d668b07954007cc61d3aad83a3a7fb371ae0ea0a62b4c9c3b
SSDEEP

3072:ktVLOQJGf7tjHczMPAPKAx3y0TGqWkFN6M5nVO1jtd:GpGRUMPUaqVDTqL

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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	e8861db5a72c3d6b325c38374814b043db31dec82641b4d2b1f2903fad1cfefe.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
1772	4892	WerFault.exe	82
1052	4892	WerFault.exe	82
2184	4892	WerFault.exe	82
3200	4892	WerFault.exe	82
2144	4892	WerFault.exe	82
4716	4892	WerFault.exe	82
3900	4892	WerFault.exe	82
3660	4892	WerFault.exe	82
1532	4892	WerFault.exe	82

Kills process with taskkill 1 IoCs

evasion

pid	Process
3604	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3604	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 4796	4892	e8861db5a72c3d6b325c38374814b043db31dec82641b4d2b1f2903fad1cfefe.exe	112
PID 4892 wrote to memory of 4796	4892	e8861db5a72c3d6b325c38374814b043db31dec82641b4d2b1f2903fad1cfefe.exe	112
PID 4892 wrote to memory of 4796	4892	e8861db5a72c3d6b325c38374814b043db31dec82641b4d2b1f2903fad1cfefe.exe	112
PID 4796 wrote to memory of 3604	4796	cmd.exe	116
PID 4796 wrote to memory of 3604	4796	cmd.exe	116
PID 4796 wrote to memory of 3604	4796	cmd.exe	116

C:\Users\Admin\AppData\Local\Temp\e8861db5a72c3d6b325c38374814b043db31dec82641b4d2b1f2903fad1cfefe.exe
"C:\Users\Admin\AppData\Local\Temp\e8861db5a72c3d6b325c38374814b043db31dec82641b4d2b1f2903fad1cfefe.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 740
  2⤵
  - Program crash
  PID:1772
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 740
  2⤵
  - Program crash
  PID:1052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 772
  2⤵
  - Program crash
  PID:2184
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 836
  2⤵
  - Program crash
  PID:3200
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 780
  2⤵
  - Program crash
  PID:2144
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 980
  2⤵
  - Program crash
  PID:4716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 772
  2⤵
  - Program crash
  PID:3900
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 1344
  2⤵
  - Program crash
  PID:3660
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "e8861db5a72c3d6b325c38374814b043db31dec82641b4d2b1f2903fad1cfefe.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e8861db5a72c3d6b325c38374814b043db31dec82641b4d2b1f2903fad1cfefe.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4796
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "e8861db5a72c3d6b325c38374814b043db31dec82641b4d2b1f2903fad1cfefe.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3604
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 1288
  2⤵
  - Program crash
  PID:1532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4892 -ip 4892
1⤵
PID:2088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4892 -ip 4892
1⤵
PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4892 -ip 4892
1⤵
PID:1244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4892 -ip 4892
1⤵
PID:2228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4892 -ip 4892
1⤵
PID:880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4892 -ip 4892
1⤵
PID:2480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4892 -ip 4892
1⤵
PID:3108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4892 -ip 4892
1⤵
PID:2672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4892 -ip 4892
1⤵
PID:1868

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/4892-4-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4892-3-0x0000000004330000-0x000000000435D000-memory.dmp

Filesize
180KB

Download
memory/4892-2-0x0000000002890000-0x0000000002990000-memory.dmp

Filesize
1024KB

Download
memory/4892-1-0x0000000000400000-0x000000000272E000-memory.dmp

Filesize
35.2MB

Download
memory/4892-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4892-6-0x0000000000400000-0x000000000272E000-memory.dmp

Filesize
35.2MB

Download

Analysis

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