gcleaner | d87da5fd487a0285e64bfc3df733ca8f3783c3a2573ed7a0907d851fedefa352

General

Target
d87da5fd487a0285e64bfc3df733ca8f3783c3a2573ed7a0907d851fedefa352.exe
Size 227KB
Sample240711-fd1vassbnf
SHA256 d87da5fd487a0285e64bfc3df733ca8f3783c3a2573ed7a0907d851fedefa352
MD5 c92ca8675dec60b6bff1021984545bda
SHA1 5b56d4703d29e5c8f67d9b7f3dc7f3639aad7731
SHA512 9a7677b538b367daefd023d0d7a8565de99ae81fd565e60cb92626500d5b4f619e652ae4d8ded9c024924ba48fe2f36fc8d110407f33d2b81b07cd5dcf48144d
SSDEEP 3072:X19Y1zfU8HtvrvLNSeVM6vdEwl7HWuC8edh8mcZQPqJkYYTn+g:XfYB8up5VOwljCJdhrcZyqJkYYT
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

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 7 IoCs

pid	pid_target	Process	procid_target
4184	3228	WerFault.exe	80
3180	3228	WerFault.exe	80
4936	3228	WerFault.exe	80
3688	3228	WerFault.exe	80
3016	3228	WerFault.exe	80
3388	3228	WerFault.exe	80
3668	3228	WerFault.exe	80

Kills process with taskkill 1 IoCs

evasion

pid	Process
2156	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3228 wrote to memory of 1128	3228	d87da5fd487a0285e64bfc3df733ca8f3783c3a2573ed7a0907d851fedefa352.exe	97
PID 3228 wrote to memory of 1128	3228	d87da5fd487a0285e64bfc3df733ca8f3783c3a2573ed7a0907d851fedefa352.exe	97
PID 3228 wrote to memory of 1128	3228	d87da5fd487a0285e64bfc3df733ca8f3783c3a2573ed7a0907d851fedefa352.exe	97
PID 1128 wrote to memory of 2156	1128	cmd.exe	99
PID 1128 wrote to memory of 2156	1128	cmd.exe	99
PID 1128 wrote to memory of 2156	1128	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\d87da5fd487a0285e64bfc3df733ca8f3783c3a2573ed7a0907d851fedefa352.exe
"C:\Users\Admin\AppData\Local\Temp\d87da5fd487a0285e64bfc3df733ca8f3783c3a2573ed7a0907d851fedefa352.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3228
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 772
  2⤵
  - Program crash
  PID:4184
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 792
  2⤵
  - Program crash
  PID:3180
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 792
  2⤵
  - Program crash
  PID:4936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 844
  2⤵
  - Program crash
  PID:3688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 952
  2⤵
  - Program crash
  PID:3016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 960
  2⤵
  - Program crash
  PID:3388
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 1500
  2⤵
  - Program crash
  PID:3668
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "d87da5fd487a0285e64bfc3df733ca8f3783c3a2573ed7a0907d851fedefa352.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d87da5fd487a0285e64bfc3df733ca8f3783c3a2573ed7a0907d851fedefa352.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1128
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "d87da5fd487a0285e64bfc3df733ca8f3783c3a2573ed7a0907d851fedefa352.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3228 -ip 3228
1⤵
PID:4888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3228 -ip 3228
1⤵
PID:2084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3228 -ip 3228
1⤵
PID:2488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3228 -ip 3228
1⤵
PID:1412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3228 -ip 3228
1⤵
PID:1644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3228 -ip 3228
1⤵
PID:548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 3228 -ip 3228
1⤵
PID:1452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\40TUM331\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/3228-1-0x0000000002A90000-0x0000000002B90000-memory.dmp

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memory/3228-2-0x0000000004670000-0x000000000469D000-memory.dmp

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memory/3228-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/3228-8-0x0000000000400000-0x000000000281F000-memory.dmp

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memory/3228-14-0x0000000004670000-0x000000000469D000-memory.dmp

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memory/3228-13-0x0000000002A90000-0x0000000002B90000-memory.dmp

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memory/3228-16-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/3228-23-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/3228-22-0x0000000000400000-0x000000000281F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads