gcleaner | 3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58

General

Target

3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe
Size

234KB
MD5

60b9b80da7cdf25e17d20237ffab3a0f
SHA1

60388ce98e2dd4774cbf86b555214256677425df
SHA256

3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58
SHA512

5c69f4a85e9c189bfee6072f8026165d734005e53ca5b31e43098eb764939f8f0242bf5e217350a4f8141177d36a4e9321778c57ff3bf6aaea13d68a1d6e816f
SSDEEP

6144:SjY7MH9Pb0DVvRMQsmYbGPS8PHr0cnt2vr:cY7sb0DvMx7mScL0cnk

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.64

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

Processes:

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

pid	pid_target	process	target process
1700	1944	WerFault.exe	3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe
4200	1944	WerFault.exe	3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe
4908	1944	WerFault.exe	3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe
3128	1944	WerFault.exe	3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe
3412	1944	WerFault.exe	3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe
4976	1944	WerFault.exe	3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe
3304	1944	WerFault.exe	3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe
3836	1944	WerFault.exe	3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2400 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2400 taskkill.exe

pid	process
2400	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2400	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.execmd.exe

description	pid	process	target process
PID 1944 wrote to memory of 3416	1944	3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe	cmd.exe
PID 1944 wrote to memory of 3416	1944	3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe	cmd.exe
PID 1944 wrote to memory of 3416	1944	3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe	cmd.exe
PID 3416 wrote to memory of 2400	3416	cmd.exe	taskkill.exe
PID 3416 wrote to memory of 2400	3416	cmd.exe	taskkill.exe
PID 3416 wrote to memory of 2400	3416	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe
"C:\Users\Admin\AppData\Local\Temp\3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 772
2⤵
- Program crash
PID:1700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 792
2⤵
- Program crash
PID:4200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 808
2⤵
- Program crash
PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 784
2⤵
- Program crash
PID:3128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 960
2⤵
- Program crash
PID:3412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 968
2⤵
- Program crash
PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 1428
2⤵
- Program crash
PID:3304

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3416

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "3fe8c3ec19eb2e6231d316f84a460558149305d523bbb2c7d8a4eb25cfd03b58.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 1536
2⤵
- Program crash
PID:3836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1944 -ip 1944
1⤵
PID:1976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1944 -ip 1944
1⤵
PID:2832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1944 -ip 1944
1⤵
PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1944 -ip 1944
1⤵
PID:1756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1944 -ip 1944
1⤵
PID:1916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1944 -ip 1944
1⤵
PID:2880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1944 -ip 1944
1⤵
PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1944 -ip 1944
1⤵
PID:3164

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

memory/1944-2-0x0000000002600000-0x000000000262D000-memory.dmp

Filesize
180KB

Download
memory/1944-1-0x0000000002640000-0x0000000002740000-memory.dmp

Filesize
1024KB

Download
memory/1944-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1944-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1944-5-0x0000000000400000-0x0000000002356000-memory.dmp

Filesize
31.3MB

Download

Analysis

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