gcleaner | acf9e5c6452c0bf6a083edaa04288a6116a530316b1dcd7a7803f2aee45211af

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-10-2024 08:48

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General

Target

6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe
Size

445KB
MD5

6159ea2850e715cddaee7c420257d9e4
SHA1

1cfb351a95b2466c438b4357c0600d255c48c87c
SHA256

acf9e5c6452c0bf6a083edaa04288a6116a530316b1dcd7a7803f2aee45211af
SHA512

3a11fb521a571b4eaef276ddc68b1b9cab9e9cddd7b21d34425b8f8972183b45e1ec163c114598cbd84da2d5a9fab5b2660a691aaa94e24a223c2cf48522608c
SSDEEP

6144:OBi/DasxTtuSaQ441cQ07WqfSRiv3N7soAxcwLLHGN22Sncxmqg:H/D7BtuSaQfcQxqSR6NCcGLHGN22cXq

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe

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

Web Service
T1102

Processes:

flow ioc

18 iplogger.org
15 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.

Processes:

flow ioc

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4048 2384 WerFault.exe 6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe

flow	ioc
18	iplogger.org
15	iplogger.org

flow	ioc
30	freegeoip.app

pid	pid_target	process	target process
4048	2384	WerFault.exe	6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.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

Processes:

6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.execmd.exetaskkill.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6159ea2850e715cddaee7c420257d9e4_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

Processes:

taskkill.exe

pid process

4668 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4668 taskkill.exe

pid	process
4668	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4668	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.execmd.exe

description	pid	process	target process
PID 2384 wrote to memory of 1484	2384	6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe	cmd.exe
PID 2384 wrote to memory of 1484	2384	6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe	cmd.exe
PID 2384 wrote to memory of 1484	2384	6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe	cmd.exe
PID 1484 wrote to memory of 4668	1484	cmd.exe	taskkill.exe
PID 1484 wrote to memory of 4668	1484	cmd.exe	taskkill.exe
PID 1484 wrote to memory of 4668	1484	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1484
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 1856
  2⤵
  - Program crash
  PID:4048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2384 -ip 2384
1⤵
PID:4980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/2384-1-0x0000000003670000-0x0000000003770000-memory.dmp

Filesize
1024KB

Download
memory/2384-2-0x0000000003460000-0x00000000034AA000-memory.dmp

Filesize
296KB

Download
memory/2384-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2384-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2384-5-0x0000000003460000-0x00000000034AA000-memory.dmp

Filesize
296KB

Download
memory/2384-4-0x0000000000400000-0x000000000330C000-memory.dmp

Filesize
47.0MB

Download