Overview

overview

10

Static

static

10

297b13f894...66.exe

windows10-2004-x64

10

297b13f894...66.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 03:41

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General

  • Target
    297b13f89414a1bbe8fb2533a8efb46a7d69b1dd9114591a2377b574e1b86066.exe
  • Size 45KB
  • Sample260710-d81rnsdz41
  • SHA256 297b13f89414a1bbe8fb2533a8efb46a7d69b1dd9114591a2377b574e1b86066
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • getinspiredbycathy.com:80

  • getinspiredbycathy.com:22

  • getinspiredbycathy.com:8080

  • getinspiredbycathy.com:8880

  • getinspiredbycathy.com:2052

  • getinspiredbycathy.com:2082

  • getinspiredbycathy.com:2086

  • getinspiredbycathy.com:2095

  • getinspiredbycathy.com:443

  • getinspiredbycathy.com:2053

  • getinspiredbycathy.com:2083

  • getinspiredbycathy.com:2087

  • getinspiredbycathy.com:2096

  • getinspiredbycathy.com:8443

  • www.getinspiredbycathy.com:80

  • www.getinspiredbycathy.com:22

  • www.getinspiredbycathy.com:8080

  • www.getinspiredbycathy.com:8880

  • www.getinspiredbycathy.com:2052

  • www.getinspiredbycathy.com:2082

Mutex

  • MUlwWPnmrBEQ

Attributes
  • delay

    0

  • install

    true

  • install_file

    nivbks.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • 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 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\297b13f89414a1bbe8fb2533a8efb46a7d69b1dd9114591a2377b574e1b86066.exe
    "C:\Users\Admin\AppData\Local\Temp\297b13f89414a1bbe8fb2533a8efb46a7d69b1dd9114591a2377b574e1b86066.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "nivbks" /tr '"C:\Users\Admin\AppData\Roaming\nivbks.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1128
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "nivbks" /tr '"C:\Users\Admin\AppData\Roaming\nivbks.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4536
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6FE7.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3488
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4356
      • C:\Users\Admin\AppData\Roaming\nivbks.exe
        "C:\Users\Admin\AppData\Roaming\nivbks.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4496
  • C:\Users\Admin\AppData\Roaming\nivbks.exe
    "C:\Users\Admin\AppData\Roaming\nivbks.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5376

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp6FE7.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp6FE7.tmp.bat
        • Size 150B
        • SHA256 4c25f6fb4631c1192ecd1e9da47702bc7256ab6359b5a1f7756f43a7b25bf473
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        nivbks.exe
        • Path C:\Users\Admin\AppData\Roaming\nivbks.exe
        • Size 45KB
        • SHA256 297b13f89414a1bbe8fb2533a8efb46a7d69b1dd9114591a2377b574e1b86066
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4700-0-0x0000000074252000-0x0000000074253000-memory.dmp
        Download

        memory/4700-1-0x0000000000900000-0x0000000000912000-memory.dmp
        Download

        memory/4700-2-0x0000000074240000-0x00000000749FC000-memory.dmp
        Download

        memory/4700-3-0x00000000053F0000-0x000000000548C000-memory.dmp
        Download

        memory/4700-8-0x0000000074240000-0x00000000749FC000-memory.dmp
        Download

        memory/5376-12-0x00000000740D0000-0x000000007488C000-memory.dmp
        Download

        memory/5376-14-0x00000000740D0000-0x000000007488C000-memory.dmp
        Download