gcleaner | c890656f9cdacb46f581181e6d80374a50c3c9bd5c82c88e8b497db40b9a8df4

General

Target

c890656f9cdacb46f581181e6d80374a50c3c9bd5c82c88e8b497db40b9a8df4.exe
Size

1.8MB
MD5

fe4e63699f62090a1bc0006ab3f7856c
SHA1

c261667ac64fc9a2ce23a2aaff464052b781c0c5
SHA256

c890656f9cdacb46f581181e6d80374a50c3c9bd5c82c88e8b497db40b9a8df4
SHA512

0368067215a986ecde5c076c6c95b43aeb1b096cd4b8a904a015c80e3ddb0c129dfac7ba4b47a2ba7bac238f233e08d989dad6a60800126f8d2d6c484dceae17
SSDEEP

49152:WUP7DBOLYB0QIaWEn+hY5J79m+fXHXntKmgmbLIAf:VPBGTqFtfJm+/H3tKmgCh

Score

10^/10

gcleaner discovery evasion loader

Malware Config

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
gcleaner

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c890656f9cdacb46f581181e6d80374a50c3c9bd5c82c88e8b497db40b9a8df4.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c890656f9cdacb46f581181e6d80374a50c3c9bd5c82c88e8b497db40b9a8df4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c890656f9cdacb46f581181e6d80374a50c3c9bd5c82c88e8b497db40b9a8df4.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	c890656f9cdacb46f581181e6d80374a50c3c9bd5c82c88e8b497db40b9a8df4.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1268	c890656f9cdacb46f581181e6d80374a50c3c9bd5c82c88e8b497db40b9a8df4.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c890656f9cdacb46f581181e6d80374a50c3c9bd5c82c88e8b497db40b9a8df4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1268	c890656f9cdacb46f581181e6d80374a50c3c9bd5c82c88e8b497db40b9a8df4.exe
1268	c890656f9cdacb46f581181e6d80374a50c3c9bd5c82c88e8b497db40b9a8df4.exe

C:\Users\Admin\AppData\Local\Temp\c890656f9cdacb46f581181e6d80374a50c3c9bd5c82c88e8b497db40b9a8df4.exe
"C:\Users\Admin\AppData\Local\Temp\c890656f9cdacb46f581181e6d80374a50c3c9bd5c82c88e8b497db40b9a8df4.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1268-0-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-1-0x00000000774D4000-0x00000000774D6000-memory.dmp

Filesize
8KB

Download
memory/1268-2-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download
memory/1268-3-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-4-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-6-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-7-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-8-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-9-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-10-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download
memory/1268-11-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-12-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-13-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-14-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-15-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-16-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-17-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-18-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-19-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-20-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-21-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-22-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-23-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download
memory/1268-24-0x0000000000400000-0x0000000000C58000-memory.dmp

Filesize
8.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads