gcleaner | 1cc6b3e73bf4ca46be53bbd8ceb9e2181227bab66d2bad4ea5f8ef939f5f4bd7

Analysis

max time kernel
90s
max time network
92s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
11/07/2024, 23:44

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General

Target
1cc6b3e73bf4ca46be53bbd8ceb9e2181227bab66d2bad4ea5f8ef939f5f4bd7.exe
Size 252KB
Sample240711-3rhl7ssbmd
SHA256 1cc6b3e73bf4ca46be53bbd8ceb9e2181227bab66d2bad4ea5f8ef939f5f4bd7
MD5 541845a8b6a6bc830ca0db9fa480956b
SHA1 e909ef06729eca8e62f8fbc91ae180fcfedfb1e1
SHA512 d9b2b50133f7a4654e104bf9c334ab12cb490e3f42c6fa9c18faba5769ba15b4353b3ead93d8c75027e8ca7bcf797a470559b1292a848451f3d76ba12c539d38
SSDEEP 6144:PiLd3M90UPAOimF3ku5xmIQJG8sYAi91:Pip890UPKm9eImsYAi
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90
77.105.160.30
185.172.128.69

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 9 IoCs

pid	pid_target	Process	procid_target
2040	936	WerFault.exe	80
4732	936	WerFault.exe	80
4428	936	WerFault.exe	80
1892	936	WerFault.exe	80
3592	936	WerFault.exe	80
2372	936	WerFault.exe	80
3268	936	WerFault.exe	80
1492	936	WerFault.exe	80
4604	936	WerFault.exe	80

Kills process with taskkill 1 IoCs

evasion

pid	Process
4220	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4220	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 936 wrote to memory of 1776	936	1cc6b3e73bf4ca46be53bbd8ceb9e2181227bab66d2bad4ea5f8ef939f5f4bd7.exe	100
PID 936 wrote to memory of 1776	936	1cc6b3e73bf4ca46be53bbd8ceb9e2181227bab66d2bad4ea5f8ef939f5f4bd7.exe	100
PID 936 wrote to memory of 1776	936	1cc6b3e73bf4ca46be53bbd8ceb9e2181227bab66d2bad4ea5f8ef939f5f4bd7.exe	100
PID 1776 wrote to memory of 4220	1776	cmd.exe	103
PID 1776 wrote to memory of 4220	1776	cmd.exe	103
PID 1776 wrote to memory of 4220	1776	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\1cc6b3e73bf4ca46be53bbd8ceb9e2181227bab66d2bad4ea5f8ef939f5f4bd7.exe
"C:\Users\Admin\AppData\Local\Temp\1cc6b3e73bf4ca46be53bbd8ceb9e2181227bab66d2bad4ea5f8ef939f5f4bd7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 476
  2⤵
  - Program crash
  PID:2040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 796
  2⤵
  - Program crash
  PID:4732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 816
  2⤵
  - Program crash
  PID:4428
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 852
  2⤵
  - Program crash
  PID:1892
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 888
  2⤵
  - Program crash
  PID:3592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 976
  2⤵
  - Program crash
  PID:2372
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 1084
  2⤵
  - Program crash
  PID:3268
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 1460
  2⤵
  - Program crash
  PID:1492
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "1cc6b3e73bf4ca46be53bbd8ceb9e2181227bab66d2bad4ea5f8ef939f5f4bd7.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\1cc6b3e73bf4ca46be53bbd8ceb9e2181227bab66d2bad4ea5f8ef939f5f4bd7.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1776
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "1cc6b3e73bf4ca46be53bbd8ceb9e2181227bab66d2bad4ea5f8ef939f5f4bd7.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 1372
  2⤵
  - Program crash
  PID:4604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 936 -ip 936
1⤵
PID:420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 936 -ip 936
1⤵
PID:856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 936 -ip 936
1⤵
PID:2200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 936 -ip 936
1⤵
PID:1240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 936 -ip 936
1⤵
PID:2492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 936 -ip 936
1⤵
PID:2088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 936 -ip 936
1⤵
PID:3260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 936 -ip 936
1⤵
PID:1924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 936 -ip 936
1⤵
PID:2312

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

memory/936-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

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memory/936-2-0x0000000002310000-0x000000000234C000-memory.dmp

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memory/936-3-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/936-7-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/936-5-0x0000000000400000-0x00000000004D0000-memory.dmp

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memory/936-6-0x0000000002310000-0x000000000234C000-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