gcleaner | dc5c22ee0782235867ae0363443252f867d0bae4056cd70dff77bf936abccb5d

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 10:31

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General

Target

a38e14185e6c9b429df021bb56358596.exe
Size

375KB
MD5

a38e14185e6c9b429df021bb56358596
SHA1

4f97e20980bb38cb50ecdfbf45fd6d164422f1e6
SHA256

dc5c22ee0782235867ae0363443252f867d0bae4056cd70dff77bf936abccb5d
SHA512

bb44ade442130326540c3eeec0cc4319f1e0ff4001d906dc39b665b7268d4cc2b3ad084cc492e2224dd8c823147707b36ed050668699117886e8b22470644b3b
SSDEEP

6144:S7Ev42gAjjXcNK8AlQeV8ppGS2GR2q8QCk9rOCelRfbHhgtwfeH4bkQe0VO76G0:hvXgAvsNl/eV8pcSt2HQCkElRftgtwai

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-1-5-21-3844919115-497234255-166257750-1000\Control Panel\International\Geo\Nation	a38e14185e6c9b429df021bb56358596.exe

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

Web Service

T1102

flow	ioc
13	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.

flow	ioc
21	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

pid	pid_target	Process	procid_target
60	4972	WerFault.exe	84

Kills process with taskkill 1 IoCs

evasion

pid	Process
2324	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2324	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 792	4972	a38e14185e6c9b429df021bb56358596.exe	86
PID 4972 wrote to memory of 792	4972	a38e14185e6c9b429df021bb56358596.exe	86
PID 4972 wrote to memory of 792	4972	a38e14185e6c9b429df021bb56358596.exe	86
PID 792 wrote to memory of 2324	792	cmd.exe	89
PID 792 wrote to memory of 2324	792	cmd.exe	89
PID 792 wrote to memory of 2324	792	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\a38e14185e6c9b429df021bb56358596.exe
"C:\Users\Admin\AppData\Local\Temp\a38e14185e6c9b429df021bb56358596.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "a38e14185e6c9b429df021bb56358596.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a38e14185e6c9b429df021bb56358596.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:792
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "a38e14185e6c9b429df021bb56358596.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2324
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 1864
  2⤵
  - Program crash
  PID:60

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4972 -ip 4972
1⤵
PID:2628

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

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Downloads

memory/4972-1-0x00000000024A0000-0x00000000025A0000-memory.dmp

Filesize
1024KB

Download
memory/4972-2-0x0000000004110000-0x000000000415A000-memory.dmp

Filesize
296KB

Download
memory/4972-3-0x0000000000400000-0x00000000023C9000-memory.dmp

Filesize
31.8MB

Download
memory/4972-4-0x0000000000400000-0x00000000023C9000-memory.dmp

Filesize
31.8MB

Download
memory/4972-6-0x0000000004110000-0x000000000415A000-memory.dmp

Filesize
296KB

Download