gcleaner | d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273

General

Target

d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe
Size

283KB
MD5

1c77ac518b998b4649c9db9115819bf5
SHA1

fcb2b5998bbf741a76df612be91da2959b14f4cd
SHA256

d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273
SHA512

6cfc6447084fbd9b6877eb3e90f68664a4268dcde6eb68251e7174ea5ad5301f30b7b504d12936f4b818ba334494a901506c4fb7245ec3abadbcfc84eea3a079
SSDEEP

6144:j2O8YDWkNz7jMq7OjoUCMCw6SmWKIeeo61LbPeT3Y:j2OVDWmzUq7OqmFKIIq

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:

d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.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
1560	1880	WerFault.exe	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe
2036	1880	WerFault.exe	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe
3008	1880	WerFault.exe	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe
4824	1880	WerFault.exe	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe
4856	1880	WerFault.exe	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe
4428	1880	WerFault.exe	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe
3784	1880	WerFault.exe	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe
3448	1880	WerFault.exe	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe
736	1880	WerFault.exe	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe
588	1880	WerFault.exe	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4432 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4432 taskkill.exe

pid	process
4432	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4432	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.execmd.exe

description	pid	process	target process
PID 1880 wrote to memory of 1836	1880	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe	cmd.exe
PID 1880 wrote to memory of 1836	1880	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe	cmd.exe
PID 1880 wrote to memory of 1836	1880	d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe	cmd.exe
PID 1836 wrote to memory of 4432	1836	cmd.exe	taskkill.exe
PID 1836 wrote to memory of 4432	1836	cmd.exe	taskkill.exe
PID 1836 wrote to memory of 4432	1836	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe
"C:\Users\Admin\AppData\Local\Temp\d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 452
2⤵
- Program crash
PID:1560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 484
2⤵
- Program crash
PID:2036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 748
2⤵
- Program crash
PID:3008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 756
2⤵
- Program crash
PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 800
2⤵
- Program crash
PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 808
2⤵
- Program crash
PID:4428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 912
2⤵
- Program crash
PID:3784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 988
2⤵
- Program crash
PID:3448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 1344
2⤵
- Program crash
PID:736

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1836

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "d9caf6972a0f22528686354f7e994b3853f86661c11c2b804733b967ccca4273.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 1464
2⤵
- Program crash
PID:588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1880 -ip 1880
1⤵
PID:2044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1880 -ip 1880
1⤵
PID:4636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1880 -ip 1880
1⤵
PID:1644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1880 -ip 1880
1⤵
PID:2936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1880 -ip 1880
1⤵
PID:624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1880 -ip 1880
1⤵
PID:2884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 1880 -ip 1880
1⤵
PID:5032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1880 -ip 1880
1⤵
PID:3196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1880 -ip 1880
1⤵
PID:3992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 1880 -ip 1880
1⤵
PID:4996

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/1880-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/1880-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1880-2-0x00000000020A0000-0x00000000020DC000-memory.dmp

Filesize
240KB

Download
memory/1880-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1880-6-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads