gcleaner | b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409

General

Target

b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe
Size

4.0MB
MD5

249525037395d6920e22b0de46a6e40b
SHA1

4b292dc70f208962063d49189c54ab374522eacc
SHA256

b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409
SHA512

7b14bc796e1a8fda97f59633aa376ec7e6f9461039ac1512d7434e5d07594e712ca3aee61026a853c90bd81f0321f4690cf304c3980ae2db5e18fc6be5c9b38d
SSDEEP

98304:KsL8oNpRgDFaLiV9CEAU4oriL9Dyhpw8yKWdP+9Rt:KsLf3RgZCEAU404chxyhU9R

Score

10^/10

gcleaner defense_evasion discovery 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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.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	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 2816	2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe	31

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	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2816	2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe	31
PID 2372 wrote to memory of 2816	2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe	31
PID 2372 wrote to memory of 2816	2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe	31
PID 2372 wrote to memory of 2816	2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe	31
PID 2372 wrote to memory of 2816	2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe	31
PID 2372 wrote to memory of 2816	2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe	31
PID 2372 wrote to memory of 2816	2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe	31
PID 2372 wrote to memory of 2816	2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe	31
PID 2372 wrote to memory of 2816	2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe	31
PID 2372 wrote to memory of 2816	2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe	31
PID 2372 wrote to memory of 2816	2372	b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe	31

C:\Users\Admin\AppData\Local\Temp\b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.exe
"C:\Users\Admin\AppData\Local\Temp\b37d1201897f2cbe8c5d11d0c41d435a2a35c28cbf2e9aa3777782574fa6b409.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
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  PID:2816

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/2372-6-0x00000000012F0000-0x0000000001DB2000-memory.dmp

Filesize
10.8MB

Download
memory/2372-18-0x00000000012F0000-0x0000000001DB2000-memory.dmp

Filesize
10.8MB

Download
memory/2372-2-0x00000000012F1000-0x000000000152E000-memory.dmp

Filesize
2.2MB

Download
memory/2372-3-0x00000000012F0000-0x0000000001DB2000-memory.dmp

Filesize
10.8MB

Download
memory/2372-4-0x00000000012F0000-0x0000000001DB2000-memory.dmp

Filesize
10.8MB

Download
memory/2372-5-0x00000000012F0000-0x0000000001DB2000-memory.dmp

Filesize
10.8MB

Download
memory/2372-8-0x00000000012F0000-0x0000000001DB2000-memory.dmp

Filesize
10.8MB

Download
memory/2372-0-0x00000000012F0000-0x0000000001DB2000-memory.dmp

Filesize
10.8MB

Download
memory/2372-1-0x0000000077AE0000-0x0000000077AE2000-memory.dmp

Filesize
8KB

Download
memory/2372-7-0x00000000012F0000-0x0000000001DB2000-memory.dmp

Filesize
10.8MB

Download
memory/2816-14-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2816-19-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2816-9-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2816-10-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads