gcleaner | 501c477f13b6aef38fa11de85507a55863f99d0cde075879c9c6eab4cf11572f

Analysis

max time kernel
91s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-12-2024 07:13

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General

Target

file.exe
Size

1.9MB
MD5

cfc94b958cba743ed8b273401e37c465
SHA1

6abb6112d7bcee3f5ca9837ad3f0a0016267fc63
SHA256

501c477f13b6aef38fa11de85507a55863f99d0cde075879c9c6eab4cf11572f
SHA512

a9bbb29948a22e51a023119b62995408f841681e0dcb857afc26dd8dc4c1cc8ac2d108f2f81dd385c9b217c60d254f4eec7491b38023e8c90f37339768dedf30
SSDEEP

49152:FEc6qOISMFooEBNbOMOIbg1Ue01DnVYf1BcKo:FEcaDNbjX5e0Nnc1Bf

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__	file.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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.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-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3172	file.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
1704	3172	WerFault.exe	84

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	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3172	file.exe
3172	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:3172
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3172 -s 1528
  2⤵
  - Program crash
  PID:1704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3172 -ip 3172
1⤵
PID:2900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3172-0-0x0000000000400000-0x0000000000C75000-memory.dmp

Filesize
8.5MB

Download
memory/3172-1-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-4-0x0000000000400000-0x0000000000C75000-memory.dmp

Filesize
8.5MB

Download
memory/3172-7-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3172-11-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-14-0x0000000000400000-0x0000000000C75000-memory.dmp

Filesize
8.5MB

Download
memory/3172-20-0x0000000000400000-0x0000000000C75000-memory.dmp

Filesize
8.5MB

Download
memory/3172-26-0x0000000000400000-0x0000000000C75000-memory.dmp

Filesize
8.5MB

Download
memory/3172-32-0x0000000000400000-0x0000000000C75000-memory.dmp

Filesize
8.5MB

Download