gcleaner | 3a810c8e25c4e2bee013eff6ff95fc378456abb435299da1faffe6ac12d0934a

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 01:35

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General

Target
6410d5a54714bbee2d34c32082e6ecd2.exe
Size 222KB
Sample240311-bzn1eaha24
SHA256 3a810c8e25c4e2bee013eff6ff95fc378456abb435299da1faffe6ac12d0934a
MD5 6410d5a54714bbee2d34c32082e6ecd2
SHA1 e98ee40e25c1a52adaea2147bab0051bd510177a
SHA512 2a139bf11167569722060fdf0cfe38628fafb09d4353f9801025bfcd454366588c9d9b11712a32d17938fb5dff73196704aa42a43257d0dc3ed903881e814c77
SSDEEP 3072:venboFIBgJ+EWroYEzDIwyBql9zZvMA7+LDNzE7MTKwxlFrgC4:WceEWkTIGl9OA7+tzEIllFr
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90
5.42.65.115

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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	6410d5a54714bbee2d34c32082e6ecd2.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
4512	4804	WerFault.exe	87
4924	4804	WerFault.exe	87
4556	4804	WerFault.exe	87
1456	4804	WerFault.exe	87
3552	4804	WerFault.exe	87
3400	4804	WerFault.exe	87
3648	4804	WerFault.exe	87
5076	4804	WerFault.exe	87

Kills process with taskkill 1 IoCs

evasion

pid	Process
964	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	964	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 4740	4804	6410d5a54714bbee2d34c32082e6ecd2.exe	106
PID 4804 wrote to memory of 4740	4804	6410d5a54714bbee2d34c32082e6ecd2.exe	106
PID 4804 wrote to memory of 4740	4804	6410d5a54714bbee2d34c32082e6ecd2.exe	106
PID 4740 wrote to memory of 964	4740	cmd.exe	110
PID 4740 wrote to memory of 964	4740	cmd.exe	110
PID 4740 wrote to memory of 964	4740	cmd.exe	110

C:\Users\Admin\AppData\Local\Temp\6410d5a54714bbee2d34c32082e6ecd2.exe
"C:\Users\Admin\AppData\Local\Temp\6410d5a54714bbee2d34c32082e6ecd2.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 740
  2⤵
  - Program crash
  PID:4512
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 760
  2⤵
  - Program crash
  PID:4924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 792
  2⤵
  - Program crash
  PID:4556
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 760
  2⤵
  - Program crash
  PID:1456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 904
  2⤵
  - Program crash
  PID:3552
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 908
  2⤵
  - Program crash
  PID:3400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 1332
  2⤵
  - Program crash
  PID:3648
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "6410d5a54714bbee2d34c32082e6ecd2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\6410d5a54714bbee2d34c32082e6ecd2.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4740
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "6410d5a54714bbee2d34c32082e6ecd2.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:964
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 1456
  2⤵
  - Program crash
  PID:5076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4804 -ip 4804
1⤵
PID:1188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4804 -ip 4804
1⤵
PID:2920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4804 -ip 4804
1⤵
PID:3640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4804 -ip 4804
1⤵
PID:3688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4804 -ip 4804
1⤵
PID:548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4804 -ip 4804
1⤵
PID:1232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 4804 -ip 4804
1⤵
PID:1256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 4804 -ip 4804
1⤵
PID:2084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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Downloads

memory/4804-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

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memory/4804-2-0x00000000005A0000-0x00000000005CD000-memory.dmp

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memory/4804-3-0x0000000000400000-0x0000000000444000-memory.dmp

Download

memory/4804-5-0x0000000000400000-0x0000000000444000-memory.dmp

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memory/4804-6-0x00000000005A0000-0x00000000005CD000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads