gcleaner | acf9e5c6452c0bf6a083edaa04288a6116a530316b1dcd7a7803f2aee45211af

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
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
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2388 cmd.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

5 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.

Processes:

flow ioc

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

System Information Discovery
T1082

pid	process
2388	cmd.exe

flow	ioc
5	iplogger.org
7	iplogger.org

flow	ioc
11	freegeoip.app

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:

taskkill.exe6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2716 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2716 taskkill.exe

pid	process
2716	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2716	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.execmd.exe

description	pid	process	target process
PID 2692 wrote to memory of 2388	2692	6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe	cmd.exe
PID 2692 wrote to memory of 2388	2692	6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe	cmd.exe
PID 2692 wrote to memory of 2388	2692	6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe	cmd.exe
PID 2692 wrote to memory of 2388	2692	6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe	cmd.exe
PID 2388 wrote to memory of 2716	2388	cmd.exe	taskkill.exe
PID 2388 wrote to memory of 2716	2388	cmd.exe	taskkill.exe
PID 2388 wrote to memory of 2716	2388	cmd.exe	taskkill.exe
PID 2388 wrote to memory of 2716	2388	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6159ea2850e715cddaee7c420257d9e4_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- 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⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2388
- - 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:2716

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

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Downloads

memory/2692-1-0x0000000003480000-0x0000000003580000-memory.dmp

Filesize
1024KB

Download
memory/2692-2-0x0000000000220000-0x000000000026A000-memory.dmp

Filesize
296KB

Download
memory/2692-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2692-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2692-5-0x0000000000220000-0x000000000026A000-memory.dmp

Filesize
296KB

Download
memory/2692-4-0x0000000000400000-0x000000000330C000-memory.dmp

Filesize
47.0MB

Download