gcleaner | 4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa

Analysis

max time kernel
140s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 19:19

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General

Target

4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe
Size

253KB
MD5

a12ac26a69d523ba17cbf989cefd2480
SHA1

141e7c85a00cb5b2439f051d6e6b9260b5003743
SHA256

4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa
SHA512

6b9f5569c97fb9ab4e9af5217613b4d73252a517d275b0cbc1718a3b98d14a59b943e2443cf4bd53bd11727db286af86a382bddea34ac5c63c545d6b99717bc1
SSDEEP

6144:HL9OPaZNgaeZ1l+M3U3OlMavK0h06bItP:HxOp1lLGOaaSn6b

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90

77.105.160.30

185.172.128.69

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
gcleaner

Program crash 9 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
4000	3428	WerFault.exe	81
4144	3428	WerFault.exe	81
3920	3428	WerFault.exe	81
388	3428	WerFault.exe	81
4860	3428	WerFault.exe	81
4744	3428	WerFault.exe	81
1352	3428	WerFault.exe	81
2828	3428	WerFault.exe	81
1264	3428	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe

pid	Process
3428	4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe

C:\Users\Admin\AppData\Local\Temp\4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe
"C:\Users\Admin\AppData\Local\Temp\4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
PID:3428
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 456
  2⤵
  - Program crash
  PID:4000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 768
  2⤵
  - Program crash
  PID:4144
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 788
  2⤵
  - Program crash
  PID:3920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 812
  2⤵
  - Program crash
  PID:388
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 840
  2⤵
  - Program crash
  PID:4860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 928
  2⤵
  - Program crash
  PID:4744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 936
  2⤵
  - Program crash
  PID:1352
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 1044
  2⤵
  - Program crash
  PID:2828
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 772
  2⤵
  - Program crash
  PID:1264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3428 -ip 3428
1⤵
PID:3500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3428 -ip 3428
1⤵
PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3428 -ip 3428
1⤵
PID:4180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3428 -ip 3428
1⤵
PID:4148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3428 -ip 3428
1⤵
PID:1812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3428 -ip 3428
1⤵
PID:4980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 3428 -ip 3428
1⤵
PID:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 3428 -ip 3428
1⤵
PID:3848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3428 -ip 3428
1⤵
PID:3012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3428-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/3428-2-0x0000000000640000-0x000000000067C000-memory.dmp

Filesize
240KB

Download
memory/3428-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3428-4-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/3428-5-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/3428-6-0x0000000000640000-0x000000000067C000-memory.dmp

Filesize
240KB

Download
memory/3428-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download