gcleaner | d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d

General

Target

d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe
Size

4.0MB
MD5

6830a67f26a493032170a92a85cecd40
SHA1

5e39c0ed03aa07922d74fe2bf36aed4d4c9b5d54
SHA256

d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d
SHA512

4a02a6611ab6f4a5b5eb0ec0698fe2d3e8c54c4f119cf04499331fef5730d8a46a331add32710b156e8aaa36d2be74ba1a8ef47b3b7154e7b7a3dfac544d0d99
SSDEEP

49152:FvLURhh5foXXpiO/1xVW/oDEIfiCUqlgPcbDcP4E5PNUwIocWMn/ePFDN+6XaH:FvKCXXpi6DhHUCgqDIFPCw15MmPFDov

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__	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.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\VideoBiosVersion	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.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-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2884 set thread context of 2564	2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2564	2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	30
PID 2884 wrote to memory of 2564	2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	30
PID 2884 wrote to memory of 2564	2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	30
PID 2884 wrote to memory of 2564	2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	30
PID 2884 wrote to memory of 2564	2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	30
PID 2884 wrote to memory of 2564	2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	30
PID 2884 wrote to memory of 2564	2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	30
PID 2884 wrote to memory of 2564	2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	30
PID 2884 wrote to memory of 2564	2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	30
PID 2884 wrote to memory of 2564	2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	30
PID 2884 wrote to memory of 2564	2884	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe	30

C:\Users\Admin\AppData\Local\Temp\d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.exe
"C:\Users\Admin\AppData\Local\Temp\d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d.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:2884
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2564

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/2564-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2564-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2564-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2564-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2564-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2564-17-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2884-1-0x0000000077660000-0x0000000077662000-memory.dmp

Filesize
8KB

Download
memory/2884-2-0x0000000001391000-0x00000000015C5000-memory.dmp

Filesize
2.2MB

Download
memory/2884-3-0x0000000001390000-0x0000000001E65000-memory.dmp

Filesize
10.8MB

Download
memory/2884-4-0x0000000001390000-0x0000000001E65000-memory.dmp

Filesize
10.8MB

Download
memory/2884-5-0x0000000001390000-0x0000000001E65000-memory.dmp

Filesize
10.8MB

Download
memory/2884-10-0x0000000001390000-0x0000000001E65000-memory.dmp

Filesize
10.8MB

Download
memory/2884-0-0x0000000001390000-0x0000000001E65000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads