gcleaner | c31f2ccc98608bd860e73cf972dc91062d6c997651f10ba7ff75b51a9a6b70b9

General

Target
c31f2ccc98608bd860e73cf972dc91062d6c997651f10ba7ff75b51a9a6b70b9.exe
Size 385KB
Sample240606-pr8xhaeb7v
SHA256 c31f2ccc98608bd860e73cf972dc91062d6c997651f10ba7ff75b51a9a6b70b9
MD5 230323136b7038d61a85b16548af5352
SHA1 91de791ebfd935282bf3a48ac0bd4e47d059a668
SHA512 cba2d35ddf86cdc4601b784183ee5021330d804d129ee739f48369f36efaa5815e9a737a1ecee126eadd3a5928a13390c88bc66b4f4aa66a21f77b952961a3a3
SSDEEP 6144:/LlBiM8TCaBdGEr07E69u1KheXi88b5KsZhxdTgY4gYco:/nibTXdLiEGUGFdTgw
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
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
1672	4648	WerFault.exe	76
4996	4648	WerFault.exe	76
3284	4648	WerFault.exe	76
4916	4648	WerFault.exe	76
2364	4648	WerFault.exe	76
1480	4648	WerFault.exe	76
1936	4648	WerFault.exe	76
2892	4648	WerFault.exe	76
4888	4648	WerFault.exe	76
4136	4648	WerFault.exe	76

Kills process with taskkill 1 IoCs

evasion

pid	Process
3116	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3116	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 4912	4648	c31f2ccc98608bd860e73cf972dc91062d6c997651f10ba7ff75b51a9a6b70b9.exe	96
PID 4648 wrote to memory of 4912	4648	c31f2ccc98608bd860e73cf972dc91062d6c997651f10ba7ff75b51a9a6b70b9.exe	96
PID 4648 wrote to memory of 4912	4648	c31f2ccc98608bd860e73cf972dc91062d6c997651f10ba7ff75b51a9a6b70b9.exe	96
PID 4912 wrote to memory of 3116	4912	cmd.exe	100
PID 4912 wrote to memory of 3116	4912	cmd.exe	100
PID 4912 wrote to memory of 3116	4912	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\c31f2ccc98608bd860e73cf972dc91062d6c997651f10ba7ff75b51a9a6b70b9.exe
"C:\Users\Admin\AppData\Local\Temp\c31f2ccc98608bd860e73cf972dc91062d6c997651f10ba7ff75b51a9a6b70b9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 484
  2⤵
  - Program crash
  PID:1672
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 800
  2⤵
  - Program crash
  PID:4996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 820
  2⤵
  - Program crash
  PID:3284
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 836
  2⤵
  - Program crash
  PID:4916
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 872
  2⤵
  - Program crash
  PID:2364
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 1000
  2⤵
  - Program crash
  PID:1480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 1088
  2⤵
  - Program crash
  PID:1936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 1472
  2⤵
  - Program crash
  PID:2892
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 1744
  2⤵
  - Program crash
  PID:4888
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "c31f2ccc98608bd860e73cf972dc91062d6c997651f10ba7ff75b51a9a6b70b9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c31f2ccc98608bd860e73cf972dc91062d6c997651f10ba7ff75b51a9a6b70b9.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4912
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "c31f2ccc98608bd860e73cf972dc91062d6c997651f10ba7ff75b51a9a6b70b9.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3116
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 1696
  2⤵
  - Program crash
  PID:4136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4648 -ip 4648
1⤵
PID:3520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4648 -ip 4648
1⤵
PID:2204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4648 -ip 4648
1⤵
PID:1440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4648 -ip 4648
1⤵
PID:3676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4648 -ip 4648
1⤵
PID:1416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4648 -ip 4648
1⤵
PID:4640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4648 -ip 4648
1⤵
PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4648 -ip 4648
1⤵
PID:1052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4648 -ip 4648
1⤵
PID:1296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4648 -ip 4648
1⤵
PID:3348

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

Loading Replay Monitor...

Downloads

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\D1O30EO5\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

Submit Download

memory/4648-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Download

memory/4648-3-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/4648-2-0x0000000002270000-0x00000000022AC000-memory.dmp

Download

memory/4648-8-0x0000000010000000-0x000000001001C000-memory.dmp

Download

memory/4648-13-0x0000000000400000-0x00000000004F9000-memory.dmp

Download

memory/4648-23-0x00000000005F0000-0x00000000006F0000-memory.dmp

Download

memory/4648-24-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/4648-35-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/4648-34-0x0000000000400000-0x00000000004F9000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads