Overview

overview

10

Static

static

10

82e3f88df8...4a.exe

windows10-2004-x64

10

82e3f88df8...4a.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/08/2026, 09:13

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General

  • Target
    82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a.exe
  • Size 3.2MB
  • Sample260810-k65q6sel3x
  • SHA256 82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasionexecutionasyncratstormkittypersistenceratstealer

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
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • 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 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a.exe
    "C:\Users\Admin\AppData\Local\Temp\82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:960
    • 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\Roaming\Wihnup.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4336
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Wihnup" /tr '"C:\Users\Admin\AppData\Roaming\Wihnup.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1328
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpED0.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3784
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4320
      • C:\Users\Admin\AppData\Roaming\Wihnup.exe
        "C:\Users\Admin\AppData\Roaming\Wihnup.exe"
        3⤵
        • Executes dropped EXE
        PID:4616
  • C:\Users\Admin\AppData\Roaming\Wihnup.exe
    "C:\Users\Admin\AppData\Roaming\Wihnup.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4600

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        tmpED0.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpED0.tmp.bat
        • Size 149B
        • SHA256 61714d7a51e3cd7a200b1076156bf1bd71429af83abd4a0333e2e217ab686bf4
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Wihnup.exe
        • Path C:\Users\Admin\AppData\Roaming\Wihnup.exe
        • Size 3.2MB
        • SHA256 82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/960-0-0x0000000000270000-0x00000000005AC000-memory.dmp
        Download

        memory/960-1-0x000000001C480000-0x000000001C490000-memory.dmp
        Download