gcleaner | c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2

General

Target
c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe
Size 222KB
Sample240711-psrdvawflm
SHA256 c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2
MD5 2256f9ad822d36b19d38a33242049988
SHA1 adf2754bf11c0d714b9bb3cb43b0e2fb820ebd05
SHA512 a1a65e79b59f8cf2986c5c490d72edcbf55c0a9fe548013dc7ab60458fa6e729e39b596b810fcad7a018fab911222f09291ff2a4d23461604dafa10aa71172b7
SSDEEP 3072:6RuLMBsrDdxmxsGtHJzOAmXSPrCDdackcFw3J9TIkPA8W8Pa56Q0hB4LzAMnbxHP:LLYsaVjPkdackcFfkP55jHETF
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
420	2948	WerFault.exe	81
5016	2948	WerFault.exe	81
2708	2948	WerFault.exe	81
2624	2948	WerFault.exe	81
3668	2948	WerFault.exe	81
2204	2948	WerFault.exe	81
5000	2948	WerFault.exe	81
840	2948	WerFault.exe	81

Kills process with taskkill 1 IoCs

evasion

pid	Process
652	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	652	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 5024	2948	c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe	99
PID 2948 wrote to memory of 5024	2948	c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe	99
PID 2948 wrote to memory of 5024	2948	c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe	99
PID 5024 wrote to memory of 652	5024	cmd.exe	103
PID 5024 wrote to memory of 652	5024	cmd.exe	103
PID 5024 wrote to memory of 652	5024	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe
"C:\Users\Admin\AppData\Local\Temp\c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 780
  2⤵
  - Program crash
  PID:420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 788
  2⤵
  - Program crash
  PID:5016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 804
  2⤵
  - Program crash
  PID:2708
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 844
  2⤵
  - Program crash
  PID:2624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 952
  2⤵
  - Program crash
  PID:3668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 1060
  2⤵
  - Program crash
  PID:2204
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 1432
  2⤵
  - Program crash
  PID:5000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5024
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:652
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 1400
  2⤵
  - Program crash
  PID:840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2948 -ip 2948
1⤵
PID:4260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2948 -ip 2948
1⤵
PID:1852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2948 -ip 2948
1⤵
PID:1092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2948 -ip 2948
1⤵
PID:1684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2948 -ip 2948
1⤵
PID:1860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2948 -ip 2948
1⤵
PID:3712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2948 -ip 2948
1⤵
PID:3852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2948 -ip 2948
1⤵
PID:3860

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

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memory/2948-1-0x00000000006B0000-0x00000000007B0000-memory.dmp

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memory/2948-2-0x0000000002320000-0x000000000234D000-memory.dmp

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memory/2948-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2948-8-0x0000000000400000-0x00000000004D2000-memory.dmp

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memory/2948-14-0x00000000006B0000-0x00000000007B0000-memory.dmp

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memory/2948-15-0x0000000002320000-0x000000000234D000-memory.dmp

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memory/2948-16-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2948-23-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2948-22-0x0000000000400000-0x00000000004D2000-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