gcleaner | a0d51145bd3f6620032b432be3cdb9a4bd3a2b889c01d101c9a53d8c46c6b4e4

Analysis

max time kernel
91s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12/07/2024, 04:21

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General

Target
31a194cac2e9de7a6007ed9ec667f810N.exe
Size 269KB
Sample240712-eyrxfsybqk
SHA256 a0d51145bd3f6620032b432be3cdb9a4bd3a2b889c01d101c9a53d8c46c6b4e4
MD5 31a194cac2e9de7a6007ed9ec667f810
SHA1 4c32b1079830ec850a9fc5772b62f7ec7e3f3eef
SHA512 26f488523aecfb4d26ea71f57a7b8fa155baf4e6d37c81a8f0ad9c810ed83be542effd26fda17e75c191afead0c19c4571614281ddd53e5224d05c447efc2974
SSDEEP 6144:C/l5MBlczZhOHP0DQIpUtJndnUvBJGxhw5UJp8wB:C/EwthXN0ZdUvBJFUN
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner 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

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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	31a194cac2e9de7a6007ed9ec667f810N.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3968	2588	WerFault.exe	82

Kills process with taskkill 1 IoCs

evasion

pid	Process
4608	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4608	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 2920	2588	31a194cac2e9de7a6007ed9ec667f810N.exe	86
PID 2588 wrote to memory of 2920	2588	31a194cac2e9de7a6007ed9ec667f810N.exe	86
PID 2588 wrote to memory of 2920	2588	31a194cac2e9de7a6007ed9ec667f810N.exe	86
PID 2920 wrote to memory of 4608	2920	cmd.exe	90
PID 2920 wrote to memory of 4608	2920	cmd.exe	90
PID 2920 wrote to memory of 4608	2920	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\31a194cac2e9de7a6007ed9ec667f810N.exe
"C:\Users\Admin\AppData\Local\Temp\31a194cac2e9de7a6007ed9ec667f810N.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "31a194cac2e9de7a6007ed9ec667f810N.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\31a194cac2e9de7a6007ed9ec667f810N.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "31a194cac2e9de7a6007ed9ec667f810N.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4608
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 1388
  2⤵
  - Program crash
  PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2588 -ip 2588
1⤵
PID:5076

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/2588-1-0x0000000002970000-0x0000000002A70000-memory.dmp

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memory/2588-2-0x0000000004570000-0x00000000045AC000-memory.dmp

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memory/2588-3-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2588-7-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2588-6-0x0000000004570000-0x00000000045AC000-memory.dmp

Download

memory/2588-5-0x0000000000400000-0x000000000282B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads