gcleaner | a17a8c92f3f93c021513eb5578e43ad033fe7d22e6f8aaeee80cc6a3b6615a42

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 05:09

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General

Target

a17a8c92f3f93c021513eb5578e43ad033fe7d22e6f8aaeee80cc6a3b6615a42.exe
Size

309KB
MD5

035a86cde472b63f395adef7c5b1bb1d
SHA1

6fd1db0b44281777a15fc484f96909e1ebe4b7bd
SHA256

a17a8c92f3f93c021513eb5578e43ad033fe7d22e6f8aaeee80cc6a3b6615a42
SHA512

b488de13baa0959331be98e0751e8536a4ffe1e146ec295884b626ea5997af0ad35b040997a6cf3a86e868e4e31de8b8c06b3a37b415628e1e5ba8c47e726cac
SSDEEP

3072:w+SkMbpQj/HbpCcdwI6OXYh8YMFz/e8JAJLTq52TShUvk5fkkklE16SEtD/myerE:wPCj/boeTCw/jg/DeUv0Gvqyeb

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90

5.42.65.115

Signatures

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

Deletes itself 1 IoCs

pid	Process
2608	cmd.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2568	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2568	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2608	2340	a17a8c92f3f93c021513eb5578e43ad033fe7d22e6f8aaeee80cc6a3b6615a42.exe	28
PID 2340 wrote to memory of 2608	2340	a17a8c92f3f93c021513eb5578e43ad033fe7d22e6f8aaeee80cc6a3b6615a42.exe	28
PID 2340 wrote to memory of 2608	2340	a17a8c92f3f93c021513eb5578e43ad033fe7d22e6f8aaeee80cc6a3b6615a42.exe	28
PID 2340 wrote to memory of 2608	2340	a17a8c92f3f93c021513eb5578e43ad033fe7d22e6f8aaeee80cc6a3b6615a42.exe	28
PID 2608 wrote to memory of 2568	2608	cmd.exe	30
PID 2608 wrote to memory of 2568	2608	cmd.exe	30
PID 2608 wrote to memory of 2568	2608	cmd.exe	30
PID 2608 wrote to memory of 2568	2608	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\a17a8c92f3f93c021513eb5578e43ad033fe7d22e6f8aaeee80cc6a3b6615a42.exe
"C:\Users\Admin\AppData\Local\Temp\a17a8c92f3f93c021513eb5578e43ad033fe7d22e6f8aaeee80cc6a3b6615a42.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "a17a8c92f3f93c021513eb5578e43ad033fe7d22e6f8aaeee80cc6a3b6615a42.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a17a8c92f3f93c021513eb5578e43ad033fe7d22e6f8aaeee80cc6a3b6615a42.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "a17a8c92f3f93c021513eb5578e43ad033fe7d22e6f8aaeee80cc6a3b6615a42.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2340-2-0x00000000001B0000-0x00000000001DD000-memory.dmp

Filesize
180KB

Download
memory/2340-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2340-3-0x0000000000400000-0x0000000001A39000-memory.dmp

Filesize
22.2MB

Download
memory/2340-6-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2340-5-0x0000000000400000-0x0000000001A39000-memory.dmp

Filesize
22.2MB

Download