gcleaner | ad162d6197ac0bab3a3ddf4168b759af7228f049b9b20d1fcbdbd91a5626cccf

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-09-2024 12:24

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General

Target

d45acc943c4d9bf0fc0c34031739caeb_JaffaCakes118.exe
Size

335KB
MD5

d45acc943c4d9bf0fc0c34031739caeb
SHA1

b47c1c093167d612135a0df388fb82b797377030
SHA256

ad162d6197ac0bab3a3ddf4168b759af7228f049b9b20d1fcbdbd91a5626cccf
SHA512

1d5acbe1ded58c2f55b7e16b12195d30502e4664d13bcebd8cdaf933ae8559a8361d6098d30967aa694c96e85791052e9108c9e32523cbfb4421bb74a2a5e83e
SSDEEP

6144:bl2lLNOopn0XSgIlt06CGBShERvecyEZbCD04sd8zsoSLFbgpQ6OV/b9:bWZvn0/6rTRv7ZbCH1YoS9gp4h

Score

10^/10

gcleaner discovery loader

Malware Config

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

Deletes itself 1 IoCs

pid	Process
2196	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	d45acc943c4d9bf0fc0c34031739caeb_JaffaCakes118.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
2520	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2196	2500	d45acc943c4d9bf0fc0c34031739caeb_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2196	2500	d45acc943c4d9bf0fc0c34031739caeb_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2196	2500	d45acc943c4d9bf0fc0c34031739caeb_JaffaCakes118.exe	30
PID 2500 wrote to memory of 2196	2500	d45acc943c4d9bf0fc0c34031739caeb_JaffaCakes118.exe	30
PID 2196 wrote to memory of 2520	2196	cmd.exe	32
PID 2196 wrote to memory of 2520	2196	cmd.exe	32
PID 2196 wrote to memory of 2520	2196	cmd.exe	32
PID 2196 wrote to memory of 2520	2196	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\d45acc943c4d9bf0fc0c34031739caeb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d45acc943c4d9bf0fc0c34031739caeb_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "d45acc943c4d9bf0fc0c34031739caeb_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d45acc943c4d9bf0fc0c34031739caeb_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "d45acc943c4d9bf0fc0c34031739caeb_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2520

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

Replay Monitor

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Downloads

memory/2500-1-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download
memory/2500-2-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2500-4-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2500-3-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download