gcleaner | 2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a

General

Target

2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe
Size

275KB
MD5

3021048d6200956eed8425f8d13ed458
SHA1

eb5a332a726af47e67c641e7526082c553f71c03
SHA256

2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a
SHA512

1f73cc7fea66ea131b267532a3b84ea46c34715910f12d6539434381935ad346cc625f25af0bc1cb0df65e26f08a98aa5af724b48dd661d6d38464525690bb0c
SSDEEP

6144:hfT+vt6FqlKk4VnP+1wAsieXkqOoRuJRqK40g:550z4VnP4sLX9tRb0

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:

2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.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
3416	2504	WerFault.exe	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe
2240	2504	WerFault.exe	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe
316	2504	WerFault.exe	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe
3464	2504	WerFault.exe	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe
2184	2504	WerFault.exe	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe
432	2504	WerFault.exe	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe
1428	2504	WerFault.exe	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe
4008	2504	WerFault.exe	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe
632	2504	WerFault.exe	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe
968	2504	WerFault.exe	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4016 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4016 taskkill.exe

pid	process
4016	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4016	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.execmd.exe

description	pid	process	target process
PID 2504 wrote to memory of 4596	2504	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe	cmd.exe
PID 2504 wrote to memory of 4596	2504	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe	cmd.exe
PID 2504 wrote to memory of 4596	2504	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe	cmd.exe
PID 4596 wrote to memory of 4016	4596	cmd.exe	taskkill.exe
PID 4596 wrote to memory of 4016	4596	cmd.exe	taskkill.exe
PID 4596 wrote to memory of 4016	4596	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe
"C:\Users\Admin\AppData\Local\Temp\2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 444
2⤵
- Program crash
PID:3416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 476
2⤵
- Program crash
PID:2240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 748
2⤵
- Program crash
PID:316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 756
2⤵
- Program crash
PID:3464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 756
2⤵
- Program crash
PID:2184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 820
2⤵
- Program crash
PID:432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 912
2⤵
- Program crash
PID:1428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 984
2⤵
- Program crash
PID:4008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 1340
2⤵
- Program crash
PID:632

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4596

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 1352
2⤵
- Program crash
PID:968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2504 -ip 2504
1⤵
PID:4276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2504 -ip 2504
1⤵
PID:1816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2504 -ip 2504
1⤵
PID:2396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2504 -ip 2504
1⤵
PID:4984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2504 -ip 2504
1⤵
PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2504 -ip 2504
1⤵
PID:5004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2504 -ip 2504
1⤵
PID:3216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 616 -p 2504 -ip 2504
1⤵
PID:3296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 2504 -ip 2504
1⤵
PID:4664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 612 -p 2504 -ip 2504
1⤵
PID:1764

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

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Downloads

memory/2504-1-0x0000000002E80000-0x0000000002F80000-memory.dmp

Filesize
1024KB

Download
memory/2504-2-0x0000000002E10000-0x0000000002E4C000-memory.dmp

Filesize
240KB

Download
memory/2504-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2504-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2504-6-0x0000000000400000-0x0000000002CA3000-memory.dmp

Filesize
40.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads