gcleaner | 946bb6d961cc5cdd58e3772c695fcaf967a68fd83ed8b6bd43029f3fb90c69a0

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 10:53

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General

Target

JaffaCakes118_1f6f848957120d740d39b860f479e8b9.exe
Size

439KB
MD5

1f6f848957120d740d39b860f479e8b9
SHA1

8dbccfed0281d7fbb896b48cbc8ee739612bfab7
SHA256

946bb6d961cc5cdd58e3772c695fcaf967a68fd83ed8b6bd43029f3fb90c69a0
SHA512

23920af4b22bb89fc2265063fdd5d097be26fc28b78baac199d0b91424d58a7be3fc358518b0ba8ed871cc07bcb6034bec8e26716602ffb7bdbadcdafc127d8f
SSDEEP

6144:oYO/gkYrO+hEaDW9FU6oHZxfQ9+GX/QIQq0qop+Lv7sBuzJWQs0d7:HDkYr9GOo8ZmoU/QIKqo+L8uzJP9d

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

ggg-cl.biz

45.9.20.13

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger
Onlylogger family
onlylogger

OnlyLogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1704-2-0x00000000002A0000-0x00000000002E8000-memory.dmp	family_onlylogger
behavioral1/memory/1704-3-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral1/memory/1704-4-0x0000000000400000-0x00000000016E1000-memory.dmp	family_onlylogger
behavioral1/memory/1704-6-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral1/memory/1704-5-0x00000000002A0000-0x00000000002E8000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
1696	cmd.exe

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	JaffaCakes118_1f6f848957120d740d39b860f479e8b9.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
1712	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 1696	1704	JaffaCakes118_1f6f848957120d740d39b860f479e8b9.exe	31
PID 1704 wrote to memory of 1696	1704	JaffaCakes118_1f6f848957120d740d39b860f479e8b9.exe	31
PID 1704 wrote to memory of 1696	1704	JaffaCakes118_1f6f848957120d740d39b860f479e8b9.exe	31
PID 1704 wrote to memory of 1696	1704	JaffaCakes118_1f6f848957120d740d39b860f479e8b9.exe	31
PID 1696 wrote to memory of 1712	1696	cmd.exe	33
PID 1696 wrote to memory of 1712	1696	cmd.exe	33
PID 1696 wrote to memory of 1712	1696	cmd.exe	33
PID 1696 wrote to memory of 1712	1696	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f6f848957120d740d39b860f479e8b9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f6f848957120d740d39b860f479e8b9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "JaffaCakes118_1f6f848957120d740d39b860f479e8b9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f6f848957120d740d39b860f479e8b9.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1696
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "JaffaCakes118_1f6f848957120d740d39b860f479e8b9.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1712

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

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Downloads

memory/1704-1-0x0000000001760000-0x0000000001860000-memory.dmp

Filesize
1024KB

Download
memory/1704-2-0x00000000002A0000-0x00000000002E8000-memory.dmp

Filesize
288KB

Download
memory/1704-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1704-4-0x0000000000400000-0x00000000016E1000-memory.dmp

Filesize
18.9MB

Download
memory/1704-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1704-5-0x00000000002A0000-0x00000000002E8000-memory.dmp

Filesize
288KB

Download