Overview

overview

10

Static

static

10

155d1dce8e...f7.exe

windows10-2004-x64

10

155d1dce8e...f7.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/07/2026, 06:00

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General

  • Target
    155d1dce8e17b107b531b80b648f1a3fcbcbed764d76a39b0b3972d9424dd2f7.exe
  • Size 3.3MB
  • Sample260702-gqhd6act21
  • SHA256 155d1dce8e17b107b531b80b648f1a3fcbcbed764d76a39b0b3972d9424dd2f7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryexecutionasyncratstormkittypersistenceratstealer

Malware Config

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Family: StormKitty

    StormKitty is an open source info stealer written in C#.

    stealerstormkitty
  • Async RAT payload 1 IoCs
    rat
  • StormKitty payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\155d1dce8e17b107b531b80b648f1a3fcbcbed764d76a39b0b3972d9424dd2f7.exe
    "C:\Users\Admin\AppData\Local\Temp\155d1dce8e17b107b531b80b648f1a3fcbcbed764d76a39b0b3972d9424dd2f7.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Wihnup" /tr '"C:\Users\Admin\AppData\Local\Temp\Wihnup.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4748
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Wihnup" /tr '"C:\Users\Admin\AppData\Local\Temp\Wihnup.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3020
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFF7E.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3708
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1628
      • C:\Users\Admin\AppData\Local\Temp\Wihnup.exe
        "C:\Users\Admin\AppData\Local\Temp\Wihnup.exe"
        3⤵
        • Executes dropped EXE
        PID:2988
  • C:\Users\Admin\AppData\Local\Temp\Wihnup.exe
    "C:\Users\Admin\AppData\Local\Temp\Wihnup.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1260

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Wihnup.exe
        • Path C:\Users\Admin\AppData\Local\Temp\Wihnup.exe
        • Size 3.3MB
        • SHA256 155d1dce8e17b107b531b80b648f1a3fcbcbed764d76a39b0b3972d9424dd2f7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        tmpFF7E.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpFF7E.tmp.bat
        • Size 153B
        • SHA256 274de21fe6398b46516dbc4144eac1773ac4602bdebbe720da9dcb6fdcf25c5e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/1260-13-0x000000001D250000-0x000000001D272000-memory.dmp
        Download

        memory/1488-0-0x0000000000800000-0x0000000000B4A000-memory.dmp
        Download

        memory/1488-1-0x000000001BF40000-0x000000001BF50000-memory.dmp
        Download