gcleaner | 4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0

General

Target

4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe
Size

365KB
MD5

f13c27543b565d65856bc971891c807b
SHA1

3cc17ab47f4eafe2e47ee662a01befb258af4cf2
SHA256

4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0
SHA512

e6e33b0d0579d2e33e3bc4e29c44c86cfceeebdb2bc2090f77200e07c8d6fece295487db73209f3d6bf300a44a37e8ef1fd4343a9b47e7530806f929c1d85111
SSDEEP

6144:rzYDyFpYOaTbuTwYQ+O6KENu5jQ+YmXPIZB:/YwpYOaXrz+LK6u5z/cB

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:

4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.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
1800	4076	WerFault.exe	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe
4144	4076	WerFault.exe	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe
3184	4076	WerFault.exe	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe
4680	4076	WerFault.exe	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe
5108	4076	WerFault.exe	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe
3736	4076	WerFault.exe	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe
2348	4076	WerFault.exe	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe
2132	4076	WerFault.exe	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe
4708	4076	WerFault.exe	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe
4400	4076	WerFault.exe	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1256 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1256 taskkill.exe

pid	process
1256	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1256	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.execmd.exe

description	pid	process	target process
PID 4076 wrote to memory of 3944	4076	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe	cmd.exe
PID 4076 wrote to memory of 3944	4076	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe	cmd.exe
PID 4076 wrote to memory of 3944	4076	4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe	cmd.exe
PID 3944 wrote to memory of 1256	3944	cmd.exe	taskkill.exe
PID 3944 wrote to memory of 1256	3944	cmd.exe	taskkill.exe
PID 3944 wrote to memory of 1256	3944	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe
"C:\Users\Admin\AppData\Local\Temp\4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 452
2⤵
- Program crash
PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 764
2⤵
- Program crash
PID:4144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 784
2⤵
- Program crash
PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 784
2⤵
- Program crash
PID:4680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 856
2⤵
- Program crash
PID:5108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 864
2⤵
- Program crash
PID:3736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 864
2⤵
- Program crash
PID:2348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 1056
2⤵
- Program crash
PID:2132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 1380
2⤵
- Program crash
PID:4708

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "4245154ebc2f80bc83c4c040b24da0642f07aa650d75406a6638dc09b02758a0.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 512
2⤵
- Program crash
PID:4400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4076 -ip 4076
1⤵
PID:4072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4076 -ip 4076
1⤵
PID:1844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4076 -ip 4076
1⤵
PID:3252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4076 -ip 4076
1⤵
PID:440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4076 -ip 4076
1⤵
PID:4168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4076 -ip 4076
1⤵
PID:3380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4076 -ip 4076
1⤵
PID:3492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4076 -ip 4076
1⤵
PID:2440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4076 -ip 4076
1⤵
PID:3684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4076 -ip 4076
1⤵
PID:4044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4076-1-0x0000000002670000-0x0000000002770000-memory.dmp

Filesize
1024KB

Download
memory/4076-2-0x00000000025E0000-0x000000000261C000-memory.dmp

Filesize
240KB

Download
memory/4076-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4076-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4076-6-0x0000000000400000-0x0000000002378000-memory.dmp

Filesize
31.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads