gcleaner | 536b55ddfb33087d1ce00f597b178745303a474b033a1f4eae68fb7584bdb6e7

General

Target
536b55ddfb33087d1ce00f597b178745303a474b033a1f4eae68fb7584bdb6e7.exe
Size 246KB
Sample240710-d4s62avamp
SHA256 536b55ddfb33087d1ce00f597b178745303a474b033a1f4eae68fb7584bdb6e7
MD5 b6b397f53a65ee9f20a8ff602e570006
SHA1 4f5f277841a4275cdedca7ef5491a2a32ad770ce
SHA512 45cd0ee77ba58ef1578089bdbdefedb1232aac7a9a4b9c079d0361bb50e3688d577ff1e05bb045dc3a3ccfd23fe8ee8ce4c8200bc4eb142563d8a2e1ea31d27c
SSDEEP 3072:ZdkfsjWfqhoxANWusnjSMgJGzv4lr47q4FzZqhG33Q6jUmwp8JdM:MfUwxGWusIGzM47vzMhG3TjUJp8TM
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 8 IoCs

pid	pid_target	Process	procid_target
4292	2952	WerFault.exe	79
2864	2952	WerFault.exe	79
4956	2952	WerFault.exe	79
1420	2952	WerFault.exe	79
1184	2952	WerFault.exe	79
1260	2952	WerFault.exe	79
1732	2952	WerFault.exe	79
1492	2952	WerFault.exe	79

Kills process with taskkill 1 IoCs

evasion

pid	Process
3756	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3756	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 4672	2952	536b55ddfb33087d1ce00f597b178745303a474b033a1f4eae68fb7584bdb6e7.exe	103
PID 2952 wrote to memory of 4672	2952	536b55ddfb33087d1ce00f597b178745303a474b033a1f4eae68fb7584bdb6e7.exe	103
PID 2952 wrote to memory of 4672	2952	536b55ddfb33087d1ce00f597b178745303a474b033a1f4eae68fb7584bdb6e7.exe	103
PID 4672 wrote to memory of 3756	4672	cmd.exe	107
PID 4672 wrote to memory of 3756	4672	cmd.exe	107
PID 4672 wrote to memory of 3756	4672	cmd.exe	107

C:\Users\Admin\AppData\Local\Temp\536b55ddfb33087d1ce00f597b178745303a474b033a1f4eae68fb7584bdb6e7.exe
"C:\Users\Admin\AppData\Local\Temp\536b55ddfb33087d1ce00f597b178745303a474b033a1f4eae68fb7584bdb6e7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 780
  2⤵
  - Program crash
  PID:4292
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 788
  2⤵
  - Program crash
  PID:2864
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 808
  2⤵
  - Program crash
  PID:4956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 792
  2⤵
  - Program crash
  PID:1420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 952
  2⤵
  - Program crash
  PID:1184
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 1060
  2⤵
  - Program crash
  PID:1260
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 1432
  2⤵
  - Program crash
  PID:1732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "536b55ddfb33087d1ce00f597b178745303a474b033a1f4eae68fb7584bdb6e7.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\536b55ddfb33087d1ce00f597b178745303a474b033a1f4eae68fb7584bdb6e7.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4672
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "536b55ddfb33087d1ce00f597b178745303a474b033a1f4eae68fb7584bdb6e7.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 1544
  2⤵
  - Program crash
  PID:1492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2952 -ip 2952
1⤵
PID:4896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2952 -ip 2952
1⤵
PID:5080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2952 -ip 2952
1⤵
PID:2872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2952 -ip 2952
1⤵
PID:3668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2952 -ip 2952
1⤵
PID:3696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2952 -ip 2952
1⤵
PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2952 -ip 2952
1⤵
PID:1480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2952 -ip 2952
1⤵
PID:4836

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

Replay Monitor

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Downloads

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\084KNCB9\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

Submit Download

memory/2952-1-0x0000000002AE0000-0x0000000002BE0000-memory.dmp

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memory/2952-2-0x00000000046A0000-0x00000000046CD000-memory.dmp

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memory/2952-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2952-8-0x0000000000400000-0x0000000002825000-memory.dmp

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memory/2952-14-0x0000000002AE0000-0x0000000002BE0000-memory.dmp

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memory/2952-15-0x00000000046A0000-0x00000000046CD000-memory.dmp

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memory/2952-16-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2952-23-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2952-22-0x0000000000400000-0x0000000002825000-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