gcleaner | f2d254433fcbde36e81393d6955a8de5663ded648aba5c3d9c47deb370c0ca74

Analysis

max time kernel
149s
max time network
128s
platform
windows11-21h2_x64
resource
win11-20260126-en
resource tags

arch:x64arch:x86image:win11-20260126-enlocale:en-usos:windows11-21h2-x64system
submitted
28/01/2026, 17:07

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
file.exe
Size 766KB
Sample260128-vm5beagt8a
SHA256 f2d254433fcbde36e81393d6955a8de5663ded648aba5c3d9c47deb370c0ca74
MD5 d2e67e454bca7683d646e20449b281f9
SHA1 7595b1e0abdc0dfeed3c070d9b67261720579200
SHA512 441ad333e0095e97f50a5aa3389445139bf9b3f987333b9198b21a69b0164916720e20843b802b8138bd84a46a0ec9d4fede87aeff4d55c310af3e0d4bfd2330
SSDEEP 12288:f9eONBtJzhKJd6EPXNQyxbLSo0Zz9agRfd1Y4gYyG:vnzz04EGOzaz/Zd1vf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

discovery gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.156.73.98

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
gcleaner

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4940 created 2580	4940	file.exe	51

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4940 set thread context of 4624	4940	file.exe	77

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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4940	file.exe
4940	file.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 4624	4940	file.exe	77
PID 4940 wrote to memory of 4624	4940	file.exe	77
PID 4940 wrote to memory of 4624	4940	file.exe	77
PID 4940 wrote to memory of 4624	4940	file.exe	77
PID 4940 wrote to memory of 4624	4940	file.exe	77
PID 4940 wrote to memory of 4624	4940	file.exe	77
PID 4940 wrote to memory of 4624	4940	file.exe	77

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2580
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4940
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4624

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

service[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MPZ2DFI8\service[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

Submit Download

memory/4624-13-0x0000000000660000-0x0000000000689000-memory.dmp

Download

memory/4624-6-0x0000000000660000-0x0000000000689000-memory.dmp

Download

memory/4624-5-0x0000000000650000-0x0000000000651000-memory.dmp

Download

memory/4624-11-0x0000000000660000-0x0000000000689000-memory.dmp

Download

memory/4624-10-0x0000000000660000-0x0000000000689000-memory.dmp

Download

memory/4624-9-0x0000000000660000-0x0000000000689000-memory.dmp

Download

memory/4624-8-0x0000000000660000-0x0000000000689000-memory.dmp

Download

memory/4624-7-0x0000000000660000-0x0000000000689000-memory.dmp

Download

memory/4940-2-0x0000000002590000-0x0000000002591000-memory.dmp

Download

memory/4940-3-0x0000000000400000-0x00000000004C8000-memory.dmp

Download

memory/4940-4-0x0000000002620000-0x0000000002645000-memory.dmp

Download

memory/4940-0-0x0000000002560000-0x0000000002561000-memory.dmp

Download

memory/4940-1-0x0000000000469000-0x000000000046A000-memory.dmp

Download