gcleaner | df4cf60301112bafeeec91d2a67daa435640b2a3d9aabc135903768cd8c884ea

General

Target

df4cf60301112bafeeec91d2a67daa435640b2a3d9aabc135903768cd8c884ea.exe
Size

1.9MB
MD5

7fa63aaa2223ee5d43afd309cd5b76d4
SHA1

023e257afa6dd90e83727ff5bc3a00825c16a34b
SHA256

df4cf60301112bafeeec91d2a67daa435640b2a3d9aabc135903768cd8c884ea
SHA512

5110b853fe4c1daa6861907330366148c43a78752f7803ee4016a2fb4b5da746437283a9ebf1051e91c01ec1ba05c9aba119f7b9f4831fe287b36c84bbb28385
SSDEEP

49152:NtDBVZHIraEbkJlcadpbQNsntsiWUjbDkCWmSnL:NxhI+EY/pbQNWtsUjbDkCW

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__	df4cf60301112bafeeec91d2a67daa435640b2a3d9aabc135903768cd8c884ea.exe

Downloads MZ/PE file

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	df4cf60301112bafeeec91d2a67daa435640b2a3d9aabc135903768cd8c884ea.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	df4cf60301112bafeeec91d2a67daa435640b2a3d9aabc135903768cd8c884ea.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	df4cf60301112bafeeec91d2a67daa435640b2a3d9aabc135903768cd8c884ea.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1388	df4cf60301112bafeeec91d2a67daa435640b2a3d9aabc135903768cd8c884ea.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2084	1388	WerFault.exe	83

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	df4cf60301112bafeeec91d2a67daa435640b2a3d9aabc135903768cd8c884ea.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1388	df4cf60301112bafeeec91d2a67daa435640b2a3d9aabc135903768cd8c884ea.exe
1388	df4cf60301112bafeeec91d2a67daa435640b2a3d9aabc135903768cd8c884ea.exe

C:\Users\Admin\AppData\Local\Temp\df4cf60301112bafeeec91d2a67daa435640b2a3d9aabc135903768cd8c884ea.exe
"C:\Users\Admin\AppData\Local\Temp\df4cf60301112bafeeec91d2a67daa435640b2a3d9aabc135903768cd8c884ea.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:1388
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 644
  2⤵
  - Program crash
  PID:2084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1388 -ip 1388
1⤵
PID:3660

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

2

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\INetCache\IE\M6JHG9EK\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1388-3-0x0000000000400000-0x0000000000C69000-memory.dmp

Filesize
8.4MB

Download
memory/1388-6-0x0000000000400000-0x0000000000C69000-memory.dmp

Filesize
8.4MB

Download
memory/1388-17-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download
memory/1388-0-0x0000000000400000-0x0000000000C69000-memory.dmp

Filesize
8.4MB

Download
memory/1388-18-0x0000000000400000-0x0000000000C69000-memory.dmp

Filesize
8.4MB

Download
memory/1388-7-0x0000000000400000-0x0000000000C69000-memory.dmp

Filesize
8.4MB

Download
memory/1388-11-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1388-20-0x0000000000400000-0x0000000000C69000-memory.dmp

Filesize
8.4MB

Download
memory/1388-4-0x0000000000400000-0x0000000000C69000-memory.dmp

Filesize
8.4MB

Download
memory/1388-2-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download
memory/1388-15-0x0000000000400000-0x0000000000C69000-memory.dmp

Filesize
8.4MB

Download
memory/1388-1-0x0000000077D44000-0x0000000077D46000-memory.dmp

Filesize
8KB

Download
memory/1388-22-0x0000000000400000-0x0000000000C69000-memory.dmp

Filesize
8.4MB

Download
memory/1388-27-0x0000000000400000-0x0000000000C69000-memory.dmp

Filesize
8.4MB

Download
memory/1388-33-0x0000000000400000-0x0000000000C69000-memory.dmp

Filesize
8.4MB

Download
memory/1388-39-0x0000000000400000-0x0000000000C69000-memory.dmp

Filesize
8.4MB

Download
memory/1388-40-0x0000000000401000-0x0000000000426000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads