gcleaner | 4bb31847846180bf78033b5eb7761b874b114f6dd086862472915be761fc042a

Analysis

max time kernel
92s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2024, 01:41

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General

Target

7zS8A52FD1B/62a1ea2b65292_c4804f5141.exe
Size

288KB
MD5

f902561ae91aad8b234cddf38401cad1
SHA1

cc3e9aadce50c820f147b194ba558b2abf25c16b
SHA256

6bdf30e72d6f74a83a5ce0a84202aab030db0ffd61850fe9154eceaabc282e65
SHA512

c9170b3f855f2721c3f713776b65da69ac51ddf9109fa4a2bef18174ed96cbbb7c9faab5e57f44347a85d8a6b7d8e5958a23f4e19db5209fda4ea4860f5abd30
SSDEEP

3072:R+/i4EOpQnGVgi0DY+enMi8Qd0pRfI7aR+RLLMfppro5ydpjYUxGQ5:D4nVd0MMi/Gp2+R+RLLMfP0QpjYUsu

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

37.0.8.39

31.210.20.149

212.192.241.16

203.159.80.49

Attributes

url_path
/software.php

/software.php

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	62a1ea2b65292_c4804f5141.exe

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

System Information Discovery
T1082

Program crash 7 IoCs

pid	pid_target	Process	procid_target
3968	1568	WerFault.exe	82
224	1568	WerFault.exe	82
2604	1568	WerFault.exe	82
1708	1568	WerFault.exe	82
2740	1568	WerFault.exe	82
2132	1568	WerFault.exe	82
2744	1568	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	62a1ea2b65292_c4804f5141.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
3596	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3596	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 3212	1568	62a1ea2b65292_c4804f5141.exe	97
PID 1568 wrote to memory of 3212	1568	62a1ea2b65292_c4804f5141.exe	97
PID 1568 wrote to memory of 3212	1568	62a1ea2b65292_c4804f5141.exe	97
PID 3212 wrote to memory of 3596	3212	cmd.exe	101
PID 3212 wrote to memory of 3596	3212	cmd.exe	101
PID 3212 wrote to memory of 3596	3212	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\7zS8A52FD1B\62a1ea2b65292_c4804f5141.exe
"C:\Users\Admin\AppData\Local\Temp\7zS8A52FD1B\62a1ea2b65292_c4804f5141.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 736
  2⤵
  - Program crash
  PID:3968
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 772
  2⤵
  - Program crash
  PID:224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 792
  2⤵
  - Program crash
  PID:2604
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 784
  2⤵
  - Program crash
  PID:1708
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 944
  2⤵
  - Program crash
  PID:2740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 908
  2⤵
  - Program crash
  PID:2132
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "62a1ea2b65292_c4804f5141.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7zS8A52FD1B\62a1ea2b65292_c4804f5141.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3212
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "62a1ea2b65292_c4804f5141.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 1028
  2⤵
  - Program crash
  PID:2744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1568 -ip 1568
1⤵
PID:1748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1568 -ip 1568
1⤵
PID:684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1568 -ip 1568
1⤵
PID:976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1568 -ip 1568
1⤵
PID:2312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1568 -ip 1568
1⤵
PID:4136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1568 -ip 1568
1⤵
PID:4388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1568 -ip 1568
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

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1568-1-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/1568-2-0x0000000002530000-0x000000000256F000-memory.dmp

Filesize
252KB

Download
memory/1568-3-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1568-6-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1568-5-0x0000000002530000-0x000000000256F000-memory.dmp

Filesize
252KB

Download
memory/1568-4-0x0000000000400000-0x0000000000912000-memory.dmp

Filesize
5.1MB

Download