gcleaner | 9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa

General

Target

9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe
Size

293KB
MD5

574c0c09bd0a413ef51886f38bbc3db1
SHA1

fdd54adac7fa66850c788e8f9ca02efd51a5cacc
SHA256

9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa
SHA512

b044bf640d02e5b17780a47b87f034319ba03dd4bd9ead8168c723118d42ae3fe239bcf23dd83d4ed6a992984159dd6eff03ffb1240712d4512db306fb66bb08
SSDEEP

6144:hyLAwGwTuG0EeIvqNM2pzFvieLavTPK4TOAnW5gRyQzT:0LAwdTf0Eeyqa2p5ibv7K47Qgnn

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
3132	3044	WerFault.exe	9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe
4228	3044	WerFault.exe	9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe
3220	3044	WerFault.exe	9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe
3376	3044	WerFault.exe	9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe
3492	3044	WerFault.exe	9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe
3540	3044	WerFault.exe	9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe
3572	3044	WerFault.exe	9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe
4004	3044	WerFault.exe	9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe
1920	3044	WerFault.exe	9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe
3548	3044	WerFault.exe	9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2144 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2144 taskkill.exe

pid	process
2144	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2144	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.execmd.exe

description	pid	process	target process
PID 3044 wrote to memory of 864	3044	9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe	cmd.exe
PID 3044 wrote to memory of 864	3044	9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe	cmd.exe
PID 3044 wrote to memory of 864	3044	9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe	cmd.exe
PID 864 wrote to memory of 2144	864	cmd.exe	taskkill.exe
PID 864 wrote to memory of 2144	864	cmd.exe	taskkill.exe
PID 864 wrote to memory of 2144	864	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe
"C:\Users\Admin\AppData\Local\Temp\9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 488
2⤵
- Program crash
PID:3132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 524
2⤵
- Program crash
PID:4228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 780
2⤵
- Program crash
PID:3220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 800
2⤵
- Program crash
PID:3376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 840
2⤵
- Program crash
PID:3492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 876
2⤵
- Program crash
PID:3540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 780
2⤵
- Program crash
PID:3572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 984
2⤵
- Program crash
PID:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 1436
2⤵
- Program crash
PID:1920

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "9dcb7e4d8f8a3a231b5887066805a346ed4c88aba545cb6ed0f2136ec900eafa.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 1536
2⤵
- Program crash
PID:3548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3044 -ip 3044
1⤵
PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3044 -ip 3044
1⤵
PID:3484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3044 -ip 3044
1⤵
PID:640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3044 -ip 3044
1⤵
PID:2072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3044 -ip 3044
1⤵
PID:1348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3044 -ip 3044
1⤵
PID:892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3044 -ip 3044
1⤵
PID:2848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3044 -ip 3044
1⤵
PID:1568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3044 -ip 3044
1⤵
PID:2440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3044 -ip 3044
1⤵
PID:3772

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

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Downloads

memory/3044-2-0x00000000049D0000-0x0000000004A0C000-memory.dmp

Filesize
240KB

Download
memory/3044-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3044-1-0x0000000002F30000-0x0000000003030000-memory.dmp

Filesize
1024KB

Download
memory/3044-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3044-6-0x0000000000400000-0x0000000002CA8000-memory.dmp

Filesize
40.7MB

Download

Analysis

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