gcleaner | 079b91f70c2044f6ab1e346c4092ea661a4a2fb0ed8766401b1ee8f569f76a52

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 00:41

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General

Target

JaffaCakes118_439568d8164b4e3e1cd0a49e7e21dc22.exe
Size

443KB
MD5

439568d8164b4e3e1cd0a49e7e21dc22
SHA1

6b42c56eb7c5dade339a00577f8707f8d6ae1f3f
SHA256

079b91f70c2044f6ab1e346c4092ea661a4a2fb0ed8766401b1ee8f569f76a52
SHA512

d4d4287f53bc3628356cbf92b7e2bedd871603709fd9998fd1769cddb4a11cb1a75a404c6f8a4549a4951dce27641bde3277fa8245f4e4407ff31720ec99d67a
SSDEEP

12288:4WM1dcA6K1K93oupFHnubPMs+DF5N7miz8WL:4QKO37p2U1D/N7Lf

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

gcl-gb.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/2588-2-0x00000000008A0000-0x00000000008E9000-memory.dmp	family_onlylogger
behavioral1/memory/2588-3-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral1/memory/2588-5-0x00000000008A0000-0x00000000008E9000-memory.dmp	family_onlylogger
behavioral1/memory/2588-4-0x0000000000400000-0x000000000089E000-memory.dmp	family_onlylogger
behavioral1/memory/2588-6-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
1444	cmd.exe

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

System Information Discovery
T1082

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_439568d8164b4e3e1cd0a49e7e21dc22.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2496	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 1444	2588	JaffaCakes118_439568d8164b4e3e1cd0a49e7e21dc22.exe	31
PID 2588 wrote to memory of 1444	2588	JaffaCakes118_439568d8164b4e3e1cd0a49e7e21dc22.exe	31
PID 2588 wrote to memory of 1444	2588	JaffaCakes118_439568d8164b4e3e1cd0a49e7e21dc22.exe	31
PID 2588 wrote to memory of 1444	2588	JaffaCakes118_439568d8164b4e3e1cd0a49e7e21dc22.exe	31
PID 1444 wrote to memory of 2496	1444	cmd.exe	33
PID 1444 wrote to memory of 2496	1444	cmd.exe	33
PID 1444 wrote to memory of 2496	1444	cmd.exe	33
PID 1444 wrote to memory of 2496	1444	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439568d8164b4e3e1cd0a49e7e21dc22.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439568d8164b4e3e1cd0a49e7e21dc22.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "JaffaCakes118_439568d8164b4e3e1cd0a49e7e21dc22.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439568d8164b4e3e1cd0a49e7e21dc22.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1444
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "JaffaCakes118_439568d8164b4e3e1cd0a49e7e21dc22.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2588-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2588-2-0x00000000008A0000-0x00000000008E9000-memory.dmp

Filesize
292KB

Download
memory/2588-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2588-5-0x00000000008A0000-0x00000000008E9000-memory.dmp

Filesize
292KB

Download
memory/2588-4-0x0000000000400000-0x000000000089E000-memory.dmp

Filesize
4.6MB

Download
memory/2588-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download