f51ee0aceb0ecb3802effd08087081146c6edb1bfc0cb53bce502a5f23cc7e3c

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
16/04/2026, 05:55

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
monopst.dll
Size 7.5MB
Sample260416-gmxpnsbs21
SHA256 f51ee0aceb0ecb3802effd08087081146c6edb1bfc0cb53bce502a5f23cc7e3c
MD5 36c6f24c4d2231fd5cf757d423b9dfd7
SHA1 2e427493adc742631ee1bb5b91b32df98b9db20c
SHA512 7fa2f3f80fe504aa71a7631597959660ed1b1286809513020560041b625cd609d7988bcc4e31cf2885f6d667bfbfb865729985e3bf9b785d211efba7b4650491
SSDEEP 98304:Q4Qt7dOfjplRh8HURaqybInFojC6j1Wjr4eXr+oYexS/nxkc+AFmkXB/:Q4QtBOfjpfhdR6OnAFmkX
TLSH
T18D866D11F6025529F49700FAD7BC86AED9AD9E70035A20F392C8BD8A65F78D2363171F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

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	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 3268	3076	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\monopst.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\monopst.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3268

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

memory/3268-0-0x00000000055C0000-0x000000000570D000-memory.dmp

Download