gcleaner | f873c1a418170113f79e3356c5b8285beab0cc44428c1887194c268615ff19d3

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 12:11

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General

Target

JaffaCakes118_6c8687d57b149be4e5575afa1794f283.exe
Size

409KB
MD5

6c8687d57b149be4e5575afa1794f283
SHA1

a228c867b0ceacbb75ab44ec45dae68c081c4df1
SHA256

f873c1a418170113f79e3356c5b8285beab0cc44428c1887194c268615ff19d3
SHA512

d599b32d0dc7bb625f07973097f85db1ef25afa0e919008095a3cb395d5cf8c8480e8f3b5450719f0a497a772ad8ad7bd012297d97ba989ec6c01141fbac221b
SSDEEP

12288:KN+bBm5x8WjedFR/X7dNXvaXanqLNL8N5c:Kj5xzjeN/X7dNEanQ

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 4 IoCs

resource	yara_rule
behavioral1/memory/2660-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral1/memory/2660-3-0x0000000000400000-0x00000000016D9000-memory.dmp	family_onlylogger
behavioral1/memory/2660-5-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral1/memory/2660-4-0x0000000000400000-0x00000000016D9000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2788	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_6c8687d57b149be4e5575afa1794f283.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
2696	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2788	2660	JaffaCakes118_6c8687d57b149be4e5575afa1794f283.exe	31
PID 2660 wrote to memory of 2788	2660	JaffaCakes118_6c8687d57b149be4e5575afa1794f283.exe	31
PID 2660 wrote to memory of 2788	2660	JaffaCakes118_6c8687d57b149be4e5575afa1794f283.exe	31
PID 2660 wrote to memory of 2788	2660	JaffaCakes118_6c8687d57b149be4e5575afa1794f283.exe	31
PID 2788 wrote to memory of 2696	2788	cmd.exe	33
PID 2788 wrote to memory of 2696	2788	cmd.exe	33
PID 2788 wrote to memory of 2696	2788	cmd.exe	33
PID 2788 wrote to memory of 2696	2788	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c8687d57b149be4e5575afa1794f283.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c8687d57b149be4e5575afa1794f283.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "JaffaCakes118_6c8687d57b149be4e5575afa1794f283.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c8687d57b149be4e5575afa1794f283.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2788
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "JaffaCakes118_6c8687d57b149be4e5575afa1794f283.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2696

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/2660-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

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memory/2660-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

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memory/2660-3-0x0000000000400000-0x00000000016D9000-memory.dmp

Filesize
18.8MB

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memory/2660-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2660-4-0x0000000000400000-0x00000000016D9000-memory.dmp

Filesize
18.8MB

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