gcleaner | a295f0df7898cf15d20e90eda749f17dd8f0d7010684331434e84a06886af0e6

Analysis

max time kernel
193s
max time network
298s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
07/06/2024, 00:42

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General

Target
a295f0df7898cf15d20e90eda749f17dd8f0d7010684331434e84a06886af0e6.exe
Size 339KB
Sample240607-a2j9kaee91
SHA256 a295f0df7898cf15d20e90eda749f17dd8f0d7010684331434e84a06886af0e6
MD5 4c78b099fe245602678417ed8e8dec18
SHA1 4fd94c1d70bb1f6c655a64062d7885c80bccca73
SHA512 0b9332aa4a298f5980cd50a714885d37acc6b4059b745c0c57d74b86591fab2e1699f19a9983541483b5fd3d57ee753739f045218db66ea7059fa41f718d57dc
SSDEEP 6144:IL/b7irBTYwIe1f99rH/69iV/0obZe2EKzGsXA:ILb7irBnbfr+9g/z82zSK
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90
185.172.128.69

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

pid	pid_target	Process	procid_target
3252	4912	WerFault.exe	71
4960	4912	WerFault.exe	71
4400	4912	WerFault.exe	71
200	4912	WerFault.exe	71
4900	4912	WerFault.exe	71
4300	4912	WerFault.exe	71
4256	4912	WerFault.exe	71
4460	4912	WerFault.exe	71

Kills process with taskkill 1 IoCs

evasion

pid	Process
5048	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5048	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 4148	4912	a295f0df7898cf15d20e90eda749f17dd8f0d7010684331434e84a06886af0e6.exe	81
PID 4912 wrote to memory of 4148	4912	a295f0df7898cf15d20e90eda749f17dd8f0d7010684331434e84a06886af0e6.exe	81
PID 4912 wrote to memory of 4148	4912	a295f0df7898cf15d20e90eda749f17dd8f0d7010684331434e84a06886af0e6.exe	81
PID 4148 wrote to memory of 5048	4148	cmd.exe	83
PID 4148 wrote to memory of 5048	4148	cmd.exe	83
PID 4148 wrote to memory of 5048	4148	cmd.exe	83

C:\Users\Admin\AppData\Local\Temp\a295f0df7898cf15d20e90eda749f17dd8f0d7010684331434e84a06886af0e6.exe
"C:\Users\Admin\AppData\Local\Temp\a295f0df7898cf15d20e90eda749f17dd8f0d7010684331434e84a06886af0e6.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 760
  2⤵
  - Program crash
  PID:3252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 772
  2⤵
  - Program crash
  PID:4960
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 840
  2⤵
  - Program crash
  PID:4400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 908
  2⤵
  - Program crash
  PID:200
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 972
  2⤵
  - Program crash
  PID:4900
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 1092
  2⤵
  - Program crash
  PID:4300
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 1060
  2⤵
  - Program crash
  PID:4256
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 1432
  2⤵
  - Program crash
  PID:4460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "a295f0df7898cf15d20e90eda749f17dd8f0d7010684331434e84a06886af0e6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a295f0df7898cf15d20e90eda749f17dd8f0d7010684331434e84a06886af0e6.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4148
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "a295f0df7898cf15d20e90eda749f17dd8f0d7010684331434e84a06886af0e6.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:5048

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

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VSH5XF98\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/4912-1-0x0000000001E90000-0x0000000001F90000-memory.dmp

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memory/4912-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4912-2-0x0000000001C30000-0x0000000001C5D000-memory.dmp

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memory/4912-9-0x0000000000400000-0x0000000001BD0000-memory.dmp

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memory/4912-12-0x0000000001E90000-0x0000000001F90000-memory.dmp

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memory/4912-15-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4912-22-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4912-21-0x0000000000400000-0x0000000001BD0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads