gcleaner | 625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d

General

Target

625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe
Size

271KB
MD5

29a578e9ca5f23457a46957565033ed1
SHA1

045244ff6ab7488196eefbb98e80d7e3d08bcfab
SHA256

625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d
SHA512

8e4c1770383af78e41b44a1ae6e0821b74c27697d52115a7da07b110da48ea7d7689fdec3ca44fcfd236942d6b38e0873efab4f27bba717264ae99d0de666bb3
SSDEEP

3072:qszvEp6yhByoQ2g2Z6+ls2w4NVRQEQBB/p5VPcLJT/am0Az13luQrhRT8UeaFXOu:V3QYo89GgjxTUVr0Az11uARTFeaFhP7

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
1096	1000	WerFault.exe	625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe
3504	1000	WerFault.exe	625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe
4860	1000	WerFault.exe	625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe
1104	1000	WerFault.exe	625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe
4884	1000	WerFault.exe	625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe
1432	1000	WerFault.exe	625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe
2552	1000	WerFault.exe	625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe
4276	1000	WerFault.exe	625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe
4416	1000	WerFault.exe	625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe
2956	1000	WerFault.exe	625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

816 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 816 taskkill.exe

pid	process
816	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	816	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.execmd.exe

description	pid	process	target process
PID 1000 wrote to memory of 2916	1000	625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe	cmd.exe
PID 1000 wrote to memory of 2916	1000	625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe	cmd.exe
PID 1000 wrote to memory of 2916	1000	625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe	cmd.exe
PID 2916 wrote to memory of 816	2916	cmd.exe	taskkill.exe
PID 2916 wrote to memory of 816	2916	cmd.exe	taskkill.exe
PID 2916 wrote to memory of 816	2916	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe
"C:\Users\Admin\AppData\Local\Temp\625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 472
2⤵
- Program crash
PID:1096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 488
2⤵
- Program crash
PID:3504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 780
2⤵
- Program crash
PID:4860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 780
2⤵
- Program crash
PID:1104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 812
2⤵
- Program crash
PID:4884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 852
2⤵
- Program crash
PID:1432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 984
2⤵
- Program crash
PID:2552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 1072
2⤵
- Program crash
PID:4276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 1456
2⤵
- Program crash
PID:4416

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2916

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "625f6d25ec7575ecdeba86082b63f829d149349fe460bfe39fa3c02b288a057d.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 1264
2⤵
- Program crash
PID:2956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1000 -ip 1000
1⤵
PID:2724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1000 -ip 1000
1⤵
PID:4464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1000 -ip 1000
1⤵
PID:3752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1000 -ip 1000
1⤵
PID:4764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1000 -ip 1000
1⤵
PID:1060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1000 -ip 1000
1⤵
PID:2164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1000 -ip 1000
1⤵
PID:3876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1000 -ip 1000
1⤵
PID:4692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1000 -ip 1000
1⤵
PID:4752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1000 -ip 1000
1⤵
PID:3016

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/1000-2-0x00000000049B0000-0x00000000049EC000-memory.dmp

Filesize
240KB

Download
memory/1000-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1000-1-0x0000000002D40000-0x0000000002E40000-memory.dmp

Filesize
1024KB

Download
memory/1000-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1000-6-0x0000000000400000-0x0000000002CA2000-memory.dmp

Filesize
40.6MB

Download

Analysis

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