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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/01/2024, 13:03

General

  • Target

    r01-25Arrival.exe

  • Size

    618KB

  • MD5

    bec209eaa0b01e498c6c9ad2125dbf14

  • SHA1

    09913142c461e6f00db09fbe439d35a8d415a224

  • SHA256

    f87afdb24721791be0b5b0a400b20a4f6545f8738b6a6665e1b0d09213c43b5f

  • SHA512

    2456da62da5cd70121442398d722eef872256fa444ee9e7dc1c0f1a089392b7e5928c32a65bc988b3a2515a25b5455000c41275f47e147b5d3a4ec5ae89d3115

  • SSDEEP

    12288:vU3Yks4nIsHm/wBzG1kmEbgIgcj4ZayL6/Qc1/IuR6:vJ8nIsGIBzr8Igcj40ykquR

Score
5/10

Malware Config

Signatures

  • Suspicious use of SetThreadContext 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3428
    • C:\Users\Admin\AppData\Local\Temp\r01-25Arrival.exe
      "C:\Users\Admin\AppData\Local\Temp\r01-25Arrival.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4020
      • C:\Users\Admin\AppData\Local\Temp\r01-25Arrival.exe
        "C:\Users\Admin\AppData\Local\Temp\r01-25Arrival.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:1940
    • C:\Windows\SysWOW64\netiougc.exe
      "C:\Windows\SysWOW64\netiougc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2500
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:3220

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1940-22-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1940-23-0x0000000000F60000-0x0000000000F7D000-memory.dmp

      Filesize

      116KB

    • memory/1940-15-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1940-16-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1940-18-0x0000000000F60000-0x0000000000F7D000-memory.dmp

      Filesize

      116KB

    • memory/1940-17-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1940-14-0x0000000001510000-0x000000000185A000-memory.dmp

      Filesize

      3.3MB

    • memory/1940-11-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2500-25-0x00000000008C0000-0x00000000008FA000-memory.dmp

      Filesize

      232KB

    • memory/2500-28-0x00000000008C0000-0x00000000008FA000-memory.dmp

      Filesize

      232KB

    • memory/2500-26-0x0000000000FB0000-0x000000000104C000-memory.dmp

      Filesize

      624KB

    • memory/2500-24-0x0000000001180000-0x00000000014CA000-memory.dmp

      Filesize

      3.3MB

    • memory/2500-20-0x00000000008C0000-0x00000000008FA000-memory.dmp

      Filesize

      232KB

    • memory/2500-21-0x00000000008C0000-0x00000000008FA000-memory.dmp

      Filesize

      232KB

    • memory/3428-37-0x00000000086A0000-0x00000000087A2000-memory.dmp

      Filesize

      1.0MB

    • memory/3428-30-0x00000000086A0000-0x00000000087A2000-memory.dmp

      Filesize

      1.0MB

    • memory/3428-29-0x00000000086A0000-0x00000000087A2000-memory.dmp

      Filesize

      1.0MB

    • memory/3428-27-0x000000000C580000-0x000000000DD83000-memory.dmp

      Filesize

      24.0MB

    • memory/3428-19-0x000000000C580000-0x000000000DD83000-memory.dmp

      Filesize

      24.0MB

    • memory/4020-3-0x0000000005420000-0x00000000054B2000-memory.dmp

      Filesize

      584KB

    • memory/4020-6-0x0000000007BC0000-0x0000000007BD8000-memory.dmp

      Filesize

      96KB

    • memory/4020-1-0x0000000074450000-0x0000000074C00000-memory.dmp

      Filesize

      7.7MB

    • memory/4020-2-0x00000000059D0000-0x0000000005F74000-memory.dmp

      Filesize

      5.6MB

    • memory/4020-8-0x0000000007710000-0x000000000771C000-memory.dmp

      Filesize

      48KB

    • memory/4020-5-0x00000000055E0000-0x00000000055EA000-memory.dmp

      Filesize

      40KB

    • memory/4020-0-0x0000000000990000-0x0000000000A30000-memory.dmp

      Filesize

      640KB

    • memory/4020-4-0x00000000053D0000-0x00000000053E0000-memory.dmp

      Filesize

      64KB

    • memory/4020-13-0x0000000074450000-0x0000000074C00000-memory.dmp

      Filesize

      7.7MB

    • memory/4020-7-0x00000000076E0000-0x00000000076E8000-memory.dmp

      Filesize

      32KB

    • memory/4020-10-0x0000000008FB0000-0x000000000904C000-memory.dmp

      Filesize

      624KB

    • memory/4020-9-0x0000000007BE0000-0x0000000007C5E000-memory.dmp

      Filesize

      504KB