gcleaner | 89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629

Analysis

max time kernel
195s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
24-05-2024 00:40

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General

Target

89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe
Size

268KB
MD5

d4b94a173c3eacbb022ccbaba87776be
SHA1

e2988c96e704dff7d014fe07d338fba1d950606f
SHA256

89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629
SHA512

e85d1951184e745f4cca76c121a701e13a117a7cc5283de892c002237437534454a8d22bae90507c8077783605d60a00afb10b67c11c11e84bdd16deb12c48dc
SSDEEP

3072:AsI+xXnB+elCdDz/Iyp9YoBNuswQMrGh5EHFSOdz09aCm5tlIOCX:c+qVdnz9YYksrMqGUOdoQpO

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90

5.42.65.64

Attributes

url_path
/advdlc.php

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 8 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
2768	2448	WerFault.exe	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe
1216	2448	WerFault.exe	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe
220	2448	WerFault.exe	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe
312	2448	WerFault.exe	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe
4408	2448	WerFault.exe	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe
4448	2448	WerFault.exe	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe
1896	2448	WerFault.exe	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe
3888	2448	WerFault.exe	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

784 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 784 taskkill.exe

pid	process
784	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	784	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.execmd.exe

description	pid	process	target process
PID 2448 wrote to memory of 4460	2448	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe	cmd.exe
PID 2448 wrote to memory of 4460	2448	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe	cmd.exe
PID 2448 wrote to memory of 4460	2448	89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe	cmd.exe
PID 4460 wrote to memory of 784	4460	cmd.exe	taskkill.exe
PID 4460 wrote to memory of 784	4460	cmd.exe	taskkill.exe
PID 4460 wrote to memory of 784	4460	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe
"C:\Users\Admin\AppData\Local\Temp\89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 764
  2⤵
  - Program crash
  PID:2768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 776
  2⤵
  - Program crash
  PID:1216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 844
  2⤵
  - Program crash
  PID:220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 952
  2⤵
  - Program crash
  PID:312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 972
  2⤵
  - Program crash
  PID:4408
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 1096
  2⤵
  - Program crash
  PID:4448
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 1128
  2⤵
  - Program crash
  PID:1896
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 1308
  2⤵
  - Program crash
  PID:3888
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4460
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "89cfbdb9bb8613b4d86426bc61d463ae29759690b567bc276cd0dc21a501a629.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:784

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/2448-1-0x0000000002950000-0x0000000002A50000-memory.dmp

Filesize
1024KB

Download
memory/2448-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2448-2-0x0000000002860000-0x000000000288D000-memory.dmp

Filesize
180KB

Download
memory/2448-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2448-5-0x0000000000400000-0x0000000002730000-memory.dmp

Filesize
35.2MB

Download