gcleaner | 697798d7b063108abe8c5ea01ed847e75fc1bb7fb3649b83298df4bcfa6ff916

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 11:15

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General

Target

a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe
Size

304KB
MD5

a7946c9b215e4d6a26dfddb131d04e69
SHA1

f1b056dc1900fc8200b93186677aa6e3c9c92e07
SHA256

697798d7b063108abe8c5ea01ed847e75fc1bb7fb3649b83298df4bcfa6ff916
SHA512

c11bca2b8931705476f6e4854a8897c3e2a1df129392630e28889ee091f1224cc987b3362e363ca43a8d8e9c1caf446bd86830224bccb07d8d8181f06e3cf665
SSDEEP

6144:65gGL/GRvMWvddCLPAnJRD3smuShCpr/5OCYAWsKV:efevPuPAnJRjZM/5ORH

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
Gcleaner family
gcleaner

Deletes itself 1 IoCs

pid	Process
2752	cmd.exe

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

Web Service

T1102

flow	ioc
6	iplogger.org
4	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

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	a7946c9b215e4d6a26dfddb131d04e69_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
2700	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2752	3012	a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2752	3012	a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2752	3012	a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe	31
PID 3012 wrote to memory of 2752	3012	a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe	31
PID 2752 wrote to memory of 2700	2752	cmd.exe	33
PID 2752 wrote to memory of 2700	2752	cmd.exe	33
PID 2752 wrote to memory of 2700	2752	cmd.exe	33
PID 2752 wrote to memory of 2700	2752	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2752
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/3012-1-0x0000000002D20000-0x0000000002E20000-memory.dmp

Filesize
1024KB

Download
memory/3012-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3012-3-0x0000000000400000-0x0000000002C84000-memory.dmp

Filesize
40.5MB

Download
memory/3012-4-0x0000000000400000-0x0000000002C84000-memory.dmp

Filesize
40.5MB

Download
memory/3012-6-0x0000000002D20000-0x0000000002E20000-memory.dmp

Filesize
1024KB

Download
memory/3012-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download