gcleaner | 3d5b2744c55705b2b95c8ba1a0b43d15230ca9dc431ab435e12907529336185e

General

Target

3d5b2744c55705b2b95c8ba1a0b43d15230ca9dc431ab435e12907529336185e.exe
Size

345KB
MD5

61ad1470c852aac3714b4db51593d4fe
SHA1

7d50a74dac41afae1a261c039bbe79bfdf60bc06
SHA256

3d5b2744c55705b2b95c8ba1a0b43d15230ca9dc431ab435e12907529336185e
SHA512

4cf644fed38493d9e8e65f2695e63b48102bb401aba6a8b3b2aa4709af3674bb1b6e904b5a0713b1d79ca2d59f687dc7fee724b62cc599d623edb8a38fb9f6af
SSDEEP

6144:VMBhyGiKxayIBSEEZQNb/oCxpZM/IIVFr4XxnnUe:WCGiKxEqZQhVg/5Fk

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
Downloads MZ/PE file

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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	3d5b2744c55705b2b95c8ba1a0b43d15230ca9dc431ab435e12907529336185e.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
1560	3632	WerFault.exe	81
4956	3632	WerFault.exe	81
1796	3632	WerFault.exe	81
2640	3632	WerFault.exe	81
4952	3632	WerFault.exe	81
1116	3632	WerFault.exe	81
2340	3632	WerFault.exe	81
4424	3632	WerFault.exe	81
2072	3632	WerFault.exe	81

Kills process with taskkill 1 IoCs

evasion

pid	Process
4800	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4800	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3632 wrote to memory of 1548	3632	3d5b2744c55705b2b95c8ba1a0b43d15230ca9dc431ab435e12907529336185e.exe	112
PID 3632 wrote to memory of 1548	3632	3d5b2744c55705b2b95c8ba1a0b43d15230ca9dc431ab435e12907529336185e.exe	112
PID 3632 wrote to memory of 1548	3632	3d5b2744c55705b2b95c8ba1a0b43d15230ca9dc431ab435e12907529336185e.exe	112
PID 1548 wrote to memory of 4800	1548	cmd.exe	116
PID 1548 wrote to memory of 4800	1548	cmd.exe	116
PID 1548 wrote to memory of 4800	1548	cmd.exe	116

C:\Users\Admin\AppData\Local\Temp\3d5b2744c55705b2b95c8ba1a0b43d15230ca9dc431ab435e12907529336185e.exe
"C:\Users\Admin\AppData\Local\Temp\3d5b2744c55705b2b95c8ba1a0b43d15230ca9dc431ab435e12907529336185e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 452
  2⤵
  - Program crash
  PID:1560
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 764
  2⤵
  - Program crash
  PID:4956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 772
  2⤵
  - Program crash
  PID:1796
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 772
  2⤵
  - Program crash
  PID:2640
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 808
  2⤵
  - Program crash
  PID:4952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 928
  2⤵
  - Program crash
  PID:1116
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 932
  2⤵
  - Program crash
  PID:2340
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 1636
  2⤵
  - Program crash
  PID:4424
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "3d5b2744c55705b2b95c8ba1a0b43d15230ca9dc431ab435e12907529336185e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3d5b2744c55705b2b95c8ba1a0b43d15230ca9dc431ab435e12907529336185e.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "3d5b2744c55705b2b95c8ba1a0b43d15230ca9dc431ab435e12907529336185e.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4800
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 1600
  2⤵
  - Program crash
  PID:2072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3632 -ip 3632
1⤵
PID:3060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3632 -ip 3632
1⤵
PID:3884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3632 -ip 3632
1⤵
PID:1936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3632 -ip 3632
1⤵
PID:1528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3632 -ip 3632
1⤵
PID:3356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3632 -ip 3632
1⤵
PID:2644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3632 -ip 3632
1⤵
PID:384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3632 -ip 3632
1⤵
PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3632 -ip 3632
1⤵
PID:2776

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DKWDYRX8\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3632-2-0x0000000003BD0000-0x0000000003C0C000-memory.dmp

Filesize
240KB

Download
memory/3632-1-0x0000000002230000-0x0000000002330000-memory.dmp

Filesize
1024KB

Download
memory/3632-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3632-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3632-15-0x0000000000400000-0x0000000001FA1000-memory.dmp

Filesize
27.6MB

Download
memory/3632-18-0x0000000002230000-0x0000000002330000-memory.dmp

Filesize
1024KB

Download
memory/3632-22-0x0000000003BD0000-0x0000000003C0C000-memory.dmp

Filesize
240KB

Download
memory/3632-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3632-35-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3632-34-0x0000000000400000-0x0000000001FA1000-memory.dmp

Filesize
27.6MB

Download

Analysis

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