gcleaner | 6b057b128b1429ba9438f1101fd00d68171940538d47fe959831a8cc97165c67

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
09/01/2025, 11:14

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General

Target

JaffaCakes118_c6bc7c434fe8b83b3de3c7ca08118cc2.exe
Size

424KB
MD5

c6bc7c434fe8b83b3de3c7ca08118cc2
SHA1

54b15634573558745e4c2d91ac6c0d6a271c1b1c
SHA256

6b057b128b1429ba9438f1101fd00d68171940538d47fe959831a8cc97165c67
SHA512

50f3f8ddfc06286acb332d7ac88ef4923d9247df889126508cb2fcee9e6b3e38a8b97822d91f4d52ed783d3282fb2da28f0c2a7882299e02d3659c8bcccefd75
SSDEEP

6144:RhICu62ubK3N4MA5YYY6YYSUsSlXkjYQAZwFjefjjEtdUsL3r:miTuisSFkjYQA2FEjEtd

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/2280-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral1/memory/2280-3-0x0000000000400000-0x00000000016DC000-memory.dmp	family_onlylogger
behavioral1/memory/2280-5-0x0000000000400000-0x00000000016DC000-memory.dmp	family_onlylogger
behavioral1/memory/2280-6-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
1404	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	JaffaCakes118_c6bc7c434fe8b83b3de3c7ca08118cc2.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
2964	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2964	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 1404	2280	JaffaCakes118_c6bc7c434fe8b83b3de3c7ca08118cc2.exe	31
PID 2280 wrote to memory of 1404	2280	JaffaCakes118_c6bc7c434fe8b83b3de3c7ca08118cc2.exe	31
PID 2280 wrote to memory of 1404	2280	JaffaCakes118_c6bc7c434fe8b83b3de3c7ca08118cc2.exe	31
PID 2280 wrote to memory of 1404	2280	JaffaCakes118_c6bc7c434fe8b83b3de3c7ca08118cc2.exe	31
PID 1404 wrote to memory of 2964	1404	cmd.exe	33
PID 1404 wrote to memory of 2964	1404	cmd.exe	33
PID 1404 wrote to memory of 2964	1404	cmd.exe	33
PID 1404 wrote to memory of 2964	1404	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6bc7c434fe8b83b3de3c7ca08118cc2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6bc7c434fe8b83b3de3c7ca08118cc2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "JaffaCakes118_c6bc7c434fe8b83b3de3c7ca08118cc2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6bc7c434fe8b83b3de3c7ca08118cc2.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1404
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "JaffaCakes118_c6bc7c434fe8b83b3de3c7ca08118cc2.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2964

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/2280-1-0x0000000001B20000-0x0000000001C20000-memory.dmp

Filesize
1024KB

Download
memory/2280-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2280-3-0x0000000000400000-0x00000000016DC000-memory.dmp

Filesize
18.9MB

Download
memory/2280-5-0x0000000000400000-0x00000000016DC000-memory.dmp

Filesize
18.9MB

Download
memory/2280-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

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