gcleaner | 0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f

General

Target

0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe
Size

277KB
MD5

3d9ef58f05865e16523d602fff554150
SHA1

b91bf9a4431244f58b0330948d2b1e20d9d48fcc
SHA256

0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f
SHA512

e83b079f04e26b2bf472d4ec60c91fe79d88c1cb6b3917d00ac637da4166f1f873d9c756af06091f8763126c725aff0381bf32cded963b2708e6a3e17eeef273
SSDEEP

6144:FfR4IMSWntJKlIxeZVaP8V046bbQBaLUaneanr:FfKINWntAlIxoX0QBaLdP

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

System Information Discovery
T1082

Program crash 10 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
1964	4624	WerFault.exe	0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe
4232	4624	WerFault.exe	0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe
1052	4624	WerFault.exe	0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe
4584	4624	WerFault.exe	0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe
3952	4624	WerFault.exe	0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe
1728	4624	WerFault.exe	0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe
4604	4624	WerFault.exe	0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe
2460	4624	WerFault.exe	0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe
2056	4624	WerFault.exe	0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe
2856	4624	WerFault.exe	0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

5076 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 5076 taskkill.exe

pid	process
5076	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	5076	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.execmd.exe

description	pid	process	target process
PID 4624 wrote to memory of 4052	4624	0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe	cmd.exe
PID 4624 wrote to memory of 4052	4624	0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe	cmd.exe
PID 4624 wrote to memory of 4052	4624	0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe	cmd.exe
PID 4052 wrote to memory of 5076	4052	cmd.exe	taskkill.exe
PID 4052 wrote to memory of 5076	4052	cmd.exe	taskkill.exe
PID 4052 wrote to memory of 5076	4052	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe
"C:\Users\Admin\AppData\Local\Temp\0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 476
2⤵
- Program crash
PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 480
2⤵
- Program crash
PID:4232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 780
2⤵
- Program crash
PID:1052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 800
2⤵
- Program crash
PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 820
2⤵
- Program crash
PID:3952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 872
2⤵
- Program crash
PID:1728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 984
2⤵
- Program crash
PID:4604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 1092
2⤵
- Program crash
PID:2460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 1444
2⤵
- Program crash
PID:2056

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4052

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "0e5abe6cdcce822b50207acec0b5b1e30f30c82e3b7d3d63589900a5a95e5c0f.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 1368
2⤵
- Program crash
PID:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4624 -ip 4624
1⤵
PID:4060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4624 -ip 4624
1⤵
PID:720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4624 -ip 4624
1⤵
PID:2016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4624 -ip 4624
1⤵
PID:5100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4624 -ip 4624
1⤵
PID:4172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4624 -ip 4624
1⤵
PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4624 -ip 4624
1⤵
PID:4704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4624 -ip 4624
1⤵
PID:2868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4624 -ip 4624
1⤵
PID:1824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4624 -ip 4624
1⤵
PID:4516

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4624-1-0x0000000003070000-0x0000000003170000-memory.dmp

Filesize
1024KB

Download
memory/4624-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4624-2-0x0000000003010000-0x000000000304C000-memory.dmp

Filesize
240KB

Download
memory/4624-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4624-6-0x0000000000400000-0x0000000002CA4000-memory.dmp

Filesize
40.6MB

Download

Analysis

Sharing