gcleaner | b1a26ff5a529acbae279434cc682eb773da68f007fa0e47a42d6d74549ebd453

General

Target
3e41d664051e58f25c2b38755a41ed162df2da9e619675bd1ffd90ffa68d960c.exe
Size 393KB
Sample240601-bwcszadf42
SHA256 3e41d664051e58f25c2b38755a41ed162df2da9e619675bd1ffd90ffa68d960c
MD5 2c00487853a61f6767cd12af4af9df2a
SHA1 c720586be075d6f11df8a0ccf546b63faeaadc85
SHA512 5f5377e0a2633147b6af8936b640c542ac54cf36f13536a68d31d01c1019f4a70fce12137d01c6b59b8c44f75c6158d02f178465d6041f66642485b1b90911f5
SSDEEP 6144:O4WBTB9d+a4q8l54K8H7j+8sbQVACLRK6YuXndeHX:O4eTB9Wq8l5k2tQvRKb0n
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90
5.42.64.56
185.172.128.69

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	3e41d664051e58f25c2b38755a41ed162df2da9e619675bd1ffd90ffa68d960c.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 10 IoCs

pid	pid_target	Process	procid_target
2620	2004	WerFault.exe	80
4740	2004	WerFault.exe	80
4576	2004	WerFault.exe	80
4764	2004	WerFault.exe	80
1696	2004	WerFault.exe	80
3600	2004	WerFault.exe	80
3768	2004	WerFault.exe	80
1412	2004	WerFault.exe	80
1576	2004	WerFault.exe	80
5088	2004	WerFault.exe	80

Kills process with taskkill 1 IoCs

evasion

pid	Process
4844	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4844	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 2288	2004	3e41d664051e58f25c2b38755a41ed162df2da9e619675bd1ffd90ffa68d960c.exe	108
PID 2004 wrote to memory of 2288	2004	3e41d664051e58f25c2b38755a41ed162df2da9e619675bd1ffd90ffa68d960c.exe	108
PID 2004 wrote to memory of 2288	2004	3e41d664051e58f25c2b38755a41ed162df2da9e619675bd1ffd90ffa68d960c.exe	108
PID 2288 wrote to memory of 4844	2288	cmd.exe	113
PID 2288 wrote to memory of 4844	2288	cmd.exe	113
PID 2288 wrote to memory of 4844	2288	cmd.exe	113

C:\Users\Admin\AppData\Local\Temp\3e41d664051e58f25c2b38755a41ed162df2da9e619675bd1ffd90ffa68d960c.exe
"C:\Users\Admin\AppData\Local\Temp\3e41d664051e58f25c2b38755a41ed162df2da9e619675bd1ffd90ffa68d960c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 456
  2⤵
  - Program crash
  PID:2620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 488
  2⤵
  - Program crash
  PID:4740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 748
  2⤵
  - Program crash
  PID:4576
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 748
  2⤵
  - Program crash
  PID:4764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 780
  2⤵
  - Program crash
  PID:1696
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 788
  2⤵
  - Program crash
  PID:3600
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 912
  2⤵
  - Program crash
  PID:3768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 912
  2⤵
  - Program crash
  PID:1412
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 1560
  2⤵
  - Program crash
  PID:1576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "3e41d664051e58f25c2b38755a41ed162df2da9e619675bd1ffd90ffa68d960c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3e41d664051e58f25c2b38755a41ed162df2da9e619675bd1ffd90ffa68d960c.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "3e41d664051e58f25c2b38755a41ed162df2da9e619675bd1ffd90ffa68d960c.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 1528
  2⤵
  - Program crash
  PID:5088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2004 -ip 2004
1⤵
PID:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2004 -ip 2004
1⤵
PID:2964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2004 -ip 2004
1⤵
PID:3380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2004 -ip 2004
1⤵
PID:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2004 -ip 2004
1⤵
PID:1228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2004 -ip 2004
1⤵
PID:4444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2004 -ip 2004
1⤵
PID:1264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2004 -ip 2004
1⤵
PID:4048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2004 -ip 2004
1⤵
PID:964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2004 -ip 2004
1⤵
PID:3196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\ZURVPW13\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

Submit Download

memory/2004-1-0x0000000002C40000-0x0000000002D40000-memory.dmp

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memory/2004-3-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2004-2-0x0000000002B50000-0x0000000002B8C000-memory.dmp

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memory/2004-8-0x0000000010000000-0x000000001001C000-memory.dmp

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memory/2004-14-0x0000000000400000-0x00000000028F0000-memory.dmp

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memory/2004-19-0x0000000002C40000-0x0000000002D40000-memory.dmp

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memory/2004-23-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2004-35-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2004-33-0x0000000000400000-0x00000000028F0000-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