gcleaner | ce50862f51244b9dce6dbde2bc96fa852cff8ca84b720797894a3f43f4e293ca

General

Target

file.exe
Size

1.9MB
MD5

623d073b8d01e00cbb5294ff07fe238a
SHA1

c3aeeb4de6cd38209944e7a1c3ecaa3f411f8775
SHA256

ce50862f51244b9dce6dbde2bc96fa852cff8ca84b720797894a3f43f4e293ca
SHA512

dc1fe9e39173bfd1e2722125b1385cf8c15e2570b65c1d5acb320a70d073d39a1a25f3665a87ccb3b8a0aaf7b7e63edb21e8e3cd4c3ac27e9cda237b54979824
SSDEEP

49152:d6OzazY5q+Tu+Th986JcoR7nQviAea6gw8AmrnT1Fh:8OOzTpEhzKEmiAvw8HnT/h

Score

10^/10

gcleaner discovery evasion loader

Malware Config

Extracted

Family

gcleaner

C2

92.63.197.221

45.91.200.135

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__	file.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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2248	file.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	file.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2248	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:2248

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

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Downloads

memory/2248-0-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-1-0x0000000077920000-0x0000000077922000-memory.dmp

Filesize
8KB

Download
memory/2248-2-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download
memory/2248-3-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-4-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-6-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-7-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-8-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download
memory/2248-9-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-10-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-11-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-12-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-13-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-14-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-15-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-16-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-17-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-18-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-19-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-20-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-21-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-22-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-23-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-24-0x0000000000400000-0x0000000000C62000-memory.dmp

Filesize
8.4MB

Download
memory/2248-28-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads