gcleaner | 579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855

General

Target

579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe
Size

292KB
MD5

833015bd47fd3060d76975e158938b89
SHA1

9ca3f4dbb53be92a039504de28b57e990214ccf6
SHA256

579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855
SHA512

f496d119a6b12adfd9432a1de89b95ce7c1a356b3a730967259d626e0a435b16cf5eb695a71d07818d15b165e2d562e6beddc1f2a6a286a7ff4bba738f0db8f2
SSDEEP

6144:bvsuT8+2J/VBz7FpAhfMzdJwkyfMUNIAWmjTFT:bvsW8+2TB3FUfMZly00jN1

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:

579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.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
716	4780	WerFault.exe	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe
4172	4780	WerFault.exe	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe
2424	4780	WerFault.exe	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe
4788	4780	WerFault.exe	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe
3564	4780	WerFault.exe	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe
5632	4780	WerFault.exe	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe
4212	4780	WerFault.exe	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe
428	4780	WerFault.exe	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe
2860	4780	WerFault.exe	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe
4640	4780	WerFault.exe	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe
4664	4780	WerFault.exe	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4636 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4636 taskkill.exe

pid	process
4636	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4636	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.execmd.exe

description	pid	process	target process
PID 4780 wrote to memory of 4684	4780	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe	cmd.exe
PID 4780 wrote to memory of 4684	4780	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe	cmd.exe
PID 4780 wrote to memory of 4684	4780	579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe	cmd.exe
PID 4684 wrote to memory of 4636	4684	cmd.exe	taskkill.exe
PID 4684 wrote to memory of 4636	4684	cmd.exe	taskkill.exe
PID 4684 wrote to memory of 4636	4684	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe
"C:\Users\Admin\AppData\Local\Temp\579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 456
2⤵
- Program crash
PID:716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 488
2⤵
- Program crash
PID:4172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 748
2⤵
- Program crash
PID:2424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 768
2⤵
- Program crash
PID:4788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 748
2⤵
- Program crash
PID:3564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 820
2⤵
- Program crash
PID:5632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 912
2⤵
- Program crash
PID:4212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 988
2⤵
- Program crash
PID:428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 1020
2⤵
- Program crash
PID:2860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 1352
2⤵
- Program crash
PID:4640

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4684

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "579fa51e50f384f37687b0d4a6b456f33b7e5bdc4170f026db691e3adb8d8855.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 1304
2⤵
- Program crash
PID:4664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4780 -ip 4780
1⤵
PID:5188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4780 -ip 4780
1⤵
PID:2044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4780 -ip 4780
1⤵
PID:4292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4780 -ip 4780
1⤵
PID:2244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4780 -ip 4780
1⤵
PID:2396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4780 -ip 4780
1⤵
PID:5396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4780 -ip 4780
1⤵
PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4780 -ip 4780
1⤵
PID:5564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4780 -ip 4780
1⤵
PID:5668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4780 -ip 4780
1⤵
PID:4624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4780 -ip 4780
1⤵
PID:3760

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

Loading Replay Monitor...

Downloads

memory/4780-1-0x0000000002F50000-0x0000000003050000-memory.dmp

Filesize
1024KB

Download
memory/4780-2-0x0000000002F10000-0x0000000002F4C000-memory.dmp

Filesize
240KB

Download
memory/4780-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4780-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4780-6-0x0000000000400000-0x0000000002CA8000-memory.dmp

Filesize
40.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads