gcleaner | 768b8658cb7a5c056112d48a059a5c6ae85972b649e9b6cc6a32c5b5a5c37668

General

Target

768b8658cb7a5c056112d48a059a5c6ae85972b649e9b6cc6a32c5b5a5c37668.exe
Size

1.9MB
MD5

e90591702f90409093d1018b185f2391
SHA1

83a8219a1d5901c78ab5e62043c9b5572abec65d
SHA256

768b8658cb7a5c056112d48a059a5c6ae85972b649e9b6cc6a32c5b5a5c37668
SHA512

1a5a17ca9d1993b6d78167972f212e73583c4e7a34116b7fde09791126a5309e3a4605340b621becd35399e03a3be3bf32eff8ba0b85a4ed2afd5d7d042632ec
SSDEEP

49152:zXQenBHlkN/GVDdj5cpzcag+UXYvieQVq:zXnY/oDdj5cpzlg+UXb

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__	768b8658cb7a5c056112d48a059a5c6ae85972b649e9b6cc6a32c5b5a5c37668.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	768b8658cb7a5c056112d48a059a5c6ae85972b649e9b6cc6a32c5b5a5c37668.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	768b8658cb7a5c056112d48a059a5c6ae85972b649e9b6cc6a32c5b5a5c37668.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	768b8658cb7a5c056112d48a059a5c6ae85972b649e9b6cc6a32c5b5a5c37668.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2684	768b8658cb7a5c056112d48a059a5c6ae85972b649e9b6cc6a32c5b5a5c37668.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	768b8658cb7a5c056112d48a059a5c6ae85972b649e9b6cc6a32c5b5a5c37668.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2684	768b8658cb7a5c056112d48a059a5c6ae85972b649e9b6cc6a32c5b5a5c37668.exe

C:\Users\Admin\AppData\Local\Temp\768b8658cb7a5c056112d48a059a5c6ae85972b649e9b6cc6a32c5b5a5c37668.exe
"C:\Users\Admin\AppData\Local\Temp\768b8658cb7a5c056112d48a059a5c6ae85972b649e9b6cc6a32c5b5a5c37668.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:2684

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

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Downloads

memory/2684-0-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-1-0x0000000077C30000-0x0000000077C32000-memory.dmp

Filesize
8KB

Download
memory/2684-2-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download
memory/2684-4-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-3-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-6-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-7-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-8-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-9-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download
memory/2684-10-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-11-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-12-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-13-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-14-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-15-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-16-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-17-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-18-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-19-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-20-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-21-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-22-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-23-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-24-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download
memory/2684-25-0x0000000000400000-0x0000000000C77000-memory.dmp

Filesize
8.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads