gcleaner | ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c

General

Target

ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe
Size

331KB
MD5

31136745ef22d3b72aee0d61214f7cbf
SHA1

09e60cea6d80a474f54e963dce1a8649c63c4a0a
SHA256

ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c
SHA512

4220fbee8d4db8020b0bfc0719c14fb7ff45dbbc49477c8a57ca4fd61bbef55c74feee07eb2067b98cf411dc16051a7cc7020838d9f21e664c5c4f5322094fc4
SSDEEP

3072:3teHTDxm9M3bqoATV7VmsqYM4VrmR/WvZlmpag5Y4/iqXXnZBmM5uSyJUI:deHnxiBV7VmsqYnmRO4aF4/i+XnZ8j0

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe

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
2248	3848	WerFault.exe	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe
2776	3848	WerFault.exe	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe
3164	3848	WerFault.exe	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe
4652	3848	WerFault.exe	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe
5096	3848	WerFault.exe	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe
4496	3848	WerFault.exe	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe
3160	3848	WerFault.exe	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe
4996	3848	WerFault.exe	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe
648	3848	WerFault.exe	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe
3636	3848	WerFault.exe	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1320 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1320 taskkill.exe

pid	process
1320	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1320	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.execmd.exe

description	pid	process	target process
PID 3848 wrote to memory of 920	3848	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe	cmd.exe
PID 3848 wrote to memory of 920	3848	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe	cmd.exe
PID 3848 wrote to memory of 920	3848	ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe	cmd.exe
PID 920 wrote to memory of 1320	920	cmd.exe	taskkill.exe
PID 920 wrote to memory of 1320	920	cmd.exe	taskkill.exe
PID 920 wrote to memory of 1320	920	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe
"C:\Users\Admin\AppData\Local\Temp\ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3848 -s 452
2⤵
- Program crash
PID:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3848 -s 764
2⤵
- Program crash
PID:2776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3848 -s 804
2⤵
- Program crash
PID:3164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3848 -s 824
2⤵
- Program crash
PID:4652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3848 -s 856
2⤵
- Program crash
PID:5096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3848 -s 928
2⤵
- Program crash
PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3848 -s 1004
2⤵
- Program crash
PID:3160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3848 -s 1040
2⤵
- Program crash
PID:4996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3848 -s 1368
2⤵
- Program crash
PID:648

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:920

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "ed78b55c8100789d04ea0bc74342778ba82a3943904f6e441b6c53b4fc99299c.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3848 -s 1448
2⤵
- Program crash
PID:3636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3848 -ip 3848
1⤵
PID:2832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3848 -ip 3848
1⤵
PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3848 -ip 3848
1⤵
PID:3868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3848 -ip 3848
1⤵
PID:4796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3848 -ip 3848
1⤵
PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3848 -ip 3848
1⤵
PID:3096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3848 -ip 3848
1⤵
PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3848 -ip 3848
1⤵
PID:432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3848 -ip 3848
1⤵
PID:3800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3848 -ip 3848
1⤵
PID:5116

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3848-1-0x0000000002230000-0x0000000002330000-memory.dmp

Filesize
1024KB

Download
memory/3848-2-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3848-3-0x0000000000400000-0x0000000001F9E000-memory.dmp

Filesize
27.6MB

Download
memory/3848-6-0x0000000000400000-0x0000000001F9E000-memory.dmp

Filesize
27.6MB

Download
memory/3848-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads