gcleaner | 2e93564cf76c88a540e250abdcd0e90c32182bdc19d09c12e55813f630d37f25

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2024 20:06

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General

Target

5378f9eb5044cc4766aba513558450c3.exe
Size

361KB
MD5

5378f9eb5044cc4766aba513558450c3
SHA1

6248f0c1ab37a1eca949361c4d5fd3b2d340e680
SHA256

2e93564cf76c88a540e250abdcd0e90c32182bdc19d09c12e55813f630d37f25
SHA512

59458695c5a04def64481b49c0aa74e6027d8fe98a82120cfa1d861df88de43317a6086a3b58acf57b6f59d66632251172ea5ca299e673511de8d56cccbb3875
SSDEEP

6144:s/OtDBmiW0UYiJtEPOXaDNBL653glF54s5KD1ffLTUE6pxYX:ptNmiW0U7JyOXaf+RglFms5gX/U7q

Score

10^/10

gcleaner 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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	5378f9eb5044cc4766aba513558450c3.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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
29	freegeoip.app

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
1212	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1212	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 4004	1448	5378f9eb5044cc4766aba513558450c3.exe	98
PID 1448 wrote to memory of 4004	1448	5378f9eb5044cc4766aba513558450c3.exe	98
PID 1448 wrote to memory of 4004	1448	5378f9eb5044cc4766aba513558450c3.exe	98
PID 4004 wrote to memory of 1212	4004	cmd.exe	96
PID 4004 wrote to memory of 1212	4004	cmd.exe	96
PID 4004 wrote to memory of 1212	4004	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\5378f9eb5044cc4766aba513558450c3.exe
"C:\Users\Admin\AppData\Local\Temp\5378f9eb5044cc4766aba513558450c3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "5378f9eb5044cc4766aba513558450c3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5378f9eb5044cc4766aba513558450c3.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4004

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "5378f9eb5044cc4766aba513558450c3.exe" /f
1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1212

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

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1448-2-0x0000000002240000-0x000000000228A000-memory.dmp

Filesize
296KB

Download
memory/1448-3-0x0000000000400000-0x00000000004DE000-memory.dmp

Filesize
888KB

Download
memory/1448-1-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/1448-4-0x0000000000400000-0x00000000004DE000-memory.dmp

Filesize
888KB

Download
memory/1448-6-0x0000000002240000-0x000000000228A000-memory.dmp

Filesize
296KB

Download
memory/1448-5-0x0000000000400000-0x00000000004DE000-memory.dmp

Filesize
888KB

Download