gcleaner | 083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9

General

Target

083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
Size

276KB
MD5

80acdc4d806fef203351f575f9eb4aef
SHA1

1f3238a7c1f6c0b9ba56e412524ffae4e5bc654e
SHA256

083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9
SHA512

edd7f3d1ce29b12683176bd19b51abdc801f4948addfd7c6e8edd79885598f60787847eeefa8fb88204c970d1df809310ffc9541f36d29a674b49bd31db3828b
SSDEEP

6144:FnMA6ZC03GtLo8GNBkQVozODm0Fth045oS:eAAC03GpXslozOKC7Bv

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:

083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 11 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
848	4688	WerFault.exe	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
2928	4688	WerFault.exe	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
4500	4688	WerFault.exe	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
2256	4688	WerFault.exe	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
1076	4688	WerFault.exe	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
2640	4688	WerFault.exe	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
2308	4688	WerFault.exe	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
2356	4688	WerFault.exe	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
1288	4688	WerFault.exe	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
3032	4688	WerFault.exe	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
1932	4688	WerFault.exe	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1528 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1528 taskkill.exe

pid	process
1528	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1528	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.execmd.exe

description	pid	process	target process
PID 4688 wrote to memory of 3212	4688	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe	cmd.exe
PID 4688 wrote to memory of 3212	4688	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe	cmd.exe
PID 4688 wrote to memory of 3212	4688	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe	cmd.exe
PID 3212 wrote to memory of 1528	3212	cmd.exe	taskkill.exe
PID 3212 wrote to memory of 1528	3212	cmd.exe	taskkill.exe
PID 3212 wrote to memory of 1528	3212	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
"C:\Users\Admin\AppData\Local\Temp\083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 444
2⤵
- Program crash
PID:848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 472
2⤵
- Program crash
PID:2928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 748
2⤵
- Program crash
PID:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 768
2⤵
- Program crash
PID:2256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 816
2⤵
- Program crash
PID:1076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 832
2⤵
- Program crash
PID:2640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 896
2⤵
- Program crash
PID:2308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 988
2⤵
- Program crash
PID:2356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 1100
2⤵
- Program crash
PID:1288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 1356
2⤵
- Program crash
PID:3032

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3212

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 1472
2⤵
- Program crash
PID:1932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4688 -ip 4688
1⤵
PID:3388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4688 -ip 4688
1⤵
PID:4472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4688 -ip 4688
1⤵
PID:2456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4688 -ip 4688
1⤵
PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4688 -ip 4688
1⤵
PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4688 -ip 4688
1⤵
PID:4208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4688 -ip 4688
1⤵
PID:2128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4688 -ip 4688
1⤵
PID:4632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4688 -ip 4688
1⤵
PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4688 -ip 4688
1⤵
PID:2040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4688 -ip 4688
1⤵
PID:4524

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/4688-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4688-2-0x00000000048E0000-0x000000000491C000-memory.dmp

Filesize
240KB

Download
memory/4688-1-0x0000000002E40000-0x0000000002F40000-memory.dmp

Filesize
1024KB

Download
memory/4688-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4688-6-0x0000000000400000-0x0000000002CA3000-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