gcleaner | 32b870cd93337815674a72fc3d334ef4a88c05f93002bd5bf70aaaa586c80f52

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 16:40

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General

Target

229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe
Size

450KB
MD5

229206674159b840bbf5aa6ad232f238
SHA1

91a0e5acc4ca3078be2ec9e5bbd539fae16ca35b
SHA256

32b870cd93337815674a72fc3d334ef4a88c05f93002bd5bf70aaaa586c80f52
SHA512

3910fbd13fcd12629524b99277b3dba9740a3906ccc167561967ea3dd8a7b2c8d25da6cc96965e6456beb7edc9743217a1fef8433577b73adbb15a451706ad2a
SSDEEP

6144:fsDtWbyJoK1nWbCbcRtmDzyn3Qo6k7UtPclWUHI8tYV:ktWbaoAntcvQnLPw7HO

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
2444	cmd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	iplogger.org
7	iplogger.org

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
11	freegeoip.app

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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2556	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2444	2708	229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe	31
PID 2708 wrote to memory of 2444	2708	229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe	31
PID 2708 wrote to memory of 2444	2708	229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe	31
PID 2708 wrote to memory of 2444	2708	229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe	31
PID 2444 wrote to memory of 2556	2444	cmd.exe	33
PID 2444 wrote to memory of 2556	2444	cmd.exe	33
PID 2444 wrote to memory of 2556	2444	cmd.exe	33
PID 2444 wrote to memory of 2556	2444	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2444
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2556

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2708-1-0x0000000002CA0000-0x0000000002DA0000-memory.dmp

Filesize
1024KB

Download
memory/2708-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2708-2-0x0000000000220000-0x000000000026A000-memory.dmp

Filesize
296KB

Download
memory/2708-6-0x0000000002CA0000-0x0000000002DA0000-memory.dmp

Filesize
1024KB

Download
memory/2708-5-0x0000000000220000-0x000000000026A000-memory.dmp

Filesize
296KB

Download
memory/2708-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2708-4-0x0000000000400000-0x0000000002B6C000-memory.dmp

Filesize
39.4MB

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