gcleaner | d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835d

General

Target

d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.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__	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
5	2944	BitLockerToGo.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	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe

Loads dropped DLL 1 IoCs

pid	Process
2944	BitLockerToGo.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2108 set thread context of 2944	2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.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	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2944	2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe	30
PID 2108 wrote to memory of 2944	2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe	30
PID 2108 wrote to memory of 2944	2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe	30
PID 2108 wrote to memory of 2944	2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe	30
PID 2108 wrote to memory of 2944	2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe	30
PID 2108 wrote to memory of 2944	2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe	30
PID 2108 wrote to memory of 2944	2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe	30
PID 2108 wrote to memory of 2944	2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe	30
PID 2108 wrote to memory of 2944	2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe	30
PID 2108 wrote to memory of 2944	2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe	30
PID 2108 wrote to memory of 2944	2108	d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe	30

C:\Users\Admin\AppData\Local\Temp\d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.exe
"C:\Users\Admin\AppData\Local\Temp\d2978cf015e612a06069d724fa93a8d398eb79c1d276fafd74aa7d0b4d88835dN.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:2108
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - Downloads MZ/PE file
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2944

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\7BCOPU31\null[1]

Filesize
97KB

MD5
4bc1ef6688690af3dd8d3d70906a9f98

SHA1
04c3e362fd3341e048aaa6bfa8bd7c76beab2670

SHA256
6bbfc32b36972b252587914130ff5018e20b4327d28a4ae6db06395b80aca4ce

SHA512
790fc9d4385dc160f52ceb269c9193400f41e5035d2f98dfce5c78abe800df7787daf534971f7c681329319d4436f5ee9a871874933e9f60f40d7f6cf73ecb26

Download Submit
\Users\Admin\AppData\Local\Temp\Es2fE3D7w4EDG3wveWdtfKtC\Y-Cleaner.exe

Filesize
987KB

MD5
f49d1aaae28b92052e997480c504aa3b

SHA1
a422f6403847405cee6068f3394bb151d8591fb5

SHA256
81e31780a5f2078284b011c720261797eb8dd85e1b95a657dbce7ac31e9df1f0

SHA512
41f715eea031fd8d7d3a22d88e0199277db2f86be73f830819288c0f0665e81a314be6d356fdc66069cb3f2abf0dd02aaa49ac3732f3f44a533fcec0dfd6f773

Download Submit
memory/2108-11-0x0000000000330000-0x0000000000E05000-memory.dmp

Filesize
10.8MB

Download
memory/2108-1-0x0000000077DD0000-0x0000000077DD2000-memory.dmp

Filesize
8KB

Download
memory/2108-2-0x0000000000331000-0x0000000000565000-memory.dmp

Filesize
2.2MB

Download
memory/2108-3-0x0000000000330000-0x0000000000E05000-memory.dmp

Filesize
10.8MB

Download
memory/2108-4-0x0000000000330000-0x0000000000E05000-memory.dmp

Filesize
10.8MB

Download
memory/2108-5-0x0000000000330000-0x0000000000E05000-memory.dmp

Filesize
10.8MB

Download
memory/2108-0-0x0000000000330000-0x0000000000E05000-memory.dmp

Filesize
10.8MB

Download
memory/2944-19-0x0000000000660000-0x000000000067C000-memory.dmp

Filesize
112KB

Download
memory/2944-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2944-15-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2944-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2944-23-0x0000000000680000-0x000000000069C000-memory.dmp

Filesize
112KB

Download
memory/2944-27-0x00000000006E0000-0x00000000006FC000-memory.dmp

Filesize
112KB

Download
memory/2944-30-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2944-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2944-32-0x00000000007A0000-0x00000000007BC000-memory.dmp

Filesize
112KB

Download
memory/2944-36-0x00000000007C0000-0x00000000007DC000-memory.dmp

Filesize
112KB

Download
memory/2944-40-0x0000000000830000-0x000000000084C000-memory.dmp

Filesize
112KB

Download
memory/2944-44-0x0000000000850000-0x000000000086C000-memory.dmp

Filesize
112KB

Download
memory/2944-48-0x0000000000870000-0x000000000088C000-memory.dmp

Filesize
112KB

Download
memory/2944-52-0x0000000000890000-0x00000000008AC000-memory.dmp

Filesize
112KB

Download
memory/2944-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2944-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads