gcleaner | 0c77b418669cf6b568e0d203c3db6274fc59bcd79b84cfb821fd742f96007e38

General

Target
0c77b418669cf6b568e0d203c3db6274fc59bcd79b84cfb821fd742f96007e38.exe
Size 228KB
Sample240712-p2cbaawepa
SHA256 0c77b418669cf6b568e0d203c3db6274fc59bcd79b84cfb821fd742f96007e38
MD5 a176d646e8d8dfec2c4c2033e199d3f8
SHA1 c00e8e77ab1505c1ccd82f8817530e614daa585b
SHA512 b793e06aeb3c9fdd40eaf3ea87cbcd4a254f265bd080e45b226d5ddea4fba2a46c5c92dea5e5a51d6bae2eaa5bc3f0b02299f62da312c9302b48f340cd074cc8
SSDEEP 3072:tAiRj2L1eU4cpPaOkZVB5HkH/jCshGpabidwxcpTn:tAEumcpPaVbEjCsC0QScpT
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
2560	2004	WerFault.exe	80
332	2004	WerFault.exe	80
3844	2004	WerFault.exe	80
5088	2004	WerFault.exe	80
784	2004	WerFault.exe	80
3580	2004	WerFault.exe	80
1740	2004	WerFault.exe	80
4896	2004	WerFault.exe	80

Kills process with taskkill 1 IoCs

evasion

pid	Process
3396	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3396	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 2016	2004	0c77b418669cf6b568e0d203c3db6274fc59bcd79b84cfb821fd742f96007e38.exe	103
PID 2004 wrote to memory of 2016	2004	0c77b418669cf6b568e0d203c3db6274fc59bcd79b84cfb821fd742f96007e38.exe	103
PID 2004 wrote to memory of 2016	2004	0c77b418669cf6b568e0d203c3db6274fc59bcd79b84cfb821fd742f96007e38.exe	103
PID 2016 wrote to memory of 3396	2016	cmd.exe	106
PID 2016 wrote to memory of 3396	2016	cmd.exe	106
PID 2016 wrote to memory of 3396	2016	cmd.exe	106

C:\Users\Admin\AppData\Local\Temp\0c77b418669cf6b568e0d203c3db6274fc59bcd79b84cfb821fd742f96007e38.exe
"C:\Users\Admin\AppData\Local\Temp\0c77b418669cf6b568e0d203c3db6274fc59bcd79b84cfb821fd742f96007e38.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 772
  2⤵
  - Program crash
  PID:2560
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 792
  2⤵
  - Program crash
  PID:332
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 792
  2⤵
  - Program crash
  PID:3844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 772
  2⤵
  - Program crash
  PID:5088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 976
  2⤵
  - Program crash
  PID:784
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 1056
  2⤵
  - Program crash
  PID:3580
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 1536
  2⤵
  - Program crash
  PID:1740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "0c77b418669cf6b568e0d203c3db6274fc59bcd79b84cfb821fd742f96007e38.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\0c77b418669cf6b568e0d203c3db6274fc59bcd79b84cfb821fd742f96007e38.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "0c77b418669cf6b568e0d203c3db6274fc59bcd79b84cfb821fd742f96007e38.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3396
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 1476
  2⤵
  - Program crash
  PID:4896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2004 -ip 2004
1⤵
PID:4304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 2004 -ip 2004
1⤵
PID:4668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2004 -ip 2004
1⤵
PID:1704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2004 -ip 2004
1⤵
PID:4672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2004 -ip 2004
1⤵
PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 2004 -ip 2004
1⤵
PID:4036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2004 -ip 2004
1⤵
PID:3236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2004 -ip 2004
1⤵
PID:1460

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\41XQO3A1\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/2004-1-0x0000000002210000-0x0000000002310000-memory.dmp

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memory/2004-2-0x0000000003EC0000-0x0000000003EED000-memory.dmp

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memory/2004-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2004-8-0x0000000000400000-0x000000000207E000-memory.dmp

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memory/2004-15-0x0000000003EC0000-0x0000000003EED000-memory.dmp

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memory/2004-14-0x0000000002210000-0x0000000002310000-memory.dmp

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memory/2004-17-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2004-23-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2004-22-0x0000000000400000-0x000000000207E000-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