gcleaner | 832f63b60e3e409be2a6daacc43b85d6802b8b0591bd95ad7d25384d6c7abd7a

Analysis

max time kernel
193s
max time network
255s
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, 00:14

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General

Target
832f63b60e3e409be2a6daacc43b85d6802b8b0591bd95ad7d25384d6c7abd7a.exe
Size 297KB
Sample240607-ajr7fsec2z
SHA256 832f63b60e3e409be2a6daacc43b85d6802b8b0591bd95ad7d25384d6c7abd7a
MD5 5e2b86e10f44f2dc4900203ef9d64f10
SHA1 02b77cd2da005d5136d750c20a2e250905d576a0
SHA512 0e4372d3e5c4592da202866f9a6bb8556557a6edfa0fe4c195a91bebcf0b401f4cb40f906bb4924ce3119869e2c1dbf25d6d781705f5815a1ed0358e97b65ceb
SSDEEP 6144:2QJcEI84Q02tHMxuwbMvofJdZo9dt9IIOT:DcEI8TMxL80kf2
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
1272	1452	WerFault.exe	71
4944	1452	WerFault.exe	71
436	1452	WerFault.exe	71
2392	1452	WerFault.exe	71
4712	1452	WerFault.exe	71
3908	1452	WerFault.exe	71
4620	1452	WerFault.exe	71
2956	1452	WerFault.exe	71

Kills process with taskkill 1 IoCs

evasion

pid	Process
1128	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1128	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 4144	1452	832f63b60e3e409be2a6daacc43b85d6802b8b0591bd95ad7d25384d6c7abd7a.exe	81
PID 1452 wrote to memory of 4144	1452	832f63b60e3e409be2a6daacc43b85d6802b8b0591bd95ad7d25384d6c7abd7a.exe	81
PID 1452 wrote to memory of 4144	1452	832f63b60e3e409be2a6daacc43b85d6802b8b0591bd95ad7d25384d6c7abd7a.exe	81
PID 4144 wrote to memory of 1128	4144	cmd.exe	83
PID 4144 wrote to memory of 1128	4144	cmd.exe	83
PID 4144 wrote to memory of 1128	4144	cmd.exe	83

C:\Users\Admin\AppData\Local\Temp\832f63b60e3e409be2a6daacc43b85d6802b8b0591bd95ad7d25384d6c7abd7a.exe
"C:\Users\Admin\AppData\Local\Temp\832f63b60e3e409be2a6daacc43b85d6802b8b0591bd95ad7d25384d6c7abd7a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 760
  2⤵
  - Program crash
  PID:1272
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 808
  2⤵
  - Program crash
  PID:4944
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 856
  2⤵
  - Program crash
  PID:436
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 916
  2⤵
  - Program crash
  PID:2392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 944
  2⤵
  - Program crash
  PID:4712
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 1092
  2⤵
  - Program crash
  PID:3908
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 1124
  2⤵
  - Program crash
  PID:4620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 1464
  2⤵
  - Program crash
  PID:2956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "832f63b60e3e409be2a6daacc43b85d6802b8b0591bd95ad7d25384d6c7abd7a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\832f63b60e3e409be2a6daacc43b85d6802b8b0591bd95ad7d25384d6c7abd7a.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4144
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "832f63b60e3e409be2a6daacc43b85d6802b8b0591bd95ad7d25384d6c7abd7a.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1128

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

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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/1452-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1452-2-0x0000000002270000-0x000000000229D000-memory.dmp

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memory/1452-1-0x00000000008D0000-0x00000000009D0000-memory.dmp

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memory/1452-8-0x0000000000400000-0x000000000067D000-memory.dmp

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memory/1452-14-0x00000000008D0000-0x00000000009D0000-memory.dmp

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memory/1452-15-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1452-22-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1452-21-0x0000000000400000-0x000000000067D000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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