Analysis

  • max time kernel
    105s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 02:31

General

  • Target

    bb0d1e8f3446f47e4cd59abfb08af930N.dll

  • Size

    80KB

  • MD5

    bb0d1e8f3446f47e4cd59abfb08af930

  • SHA1

    3605a8d0748e0135cd3cef9c85fe7a36fa64de2d

  • SHA256

    c8e55a8562af00cbc28c55b00beaf6a9bcf8d0b2187044df97eaef3fe0638731

  • SHA512

    e57f4dfe24656ba4952a8771bbbc0314107dd350deffc17d51145909bf99e80be1dab0b9762d0037440e588d74de24fbd6fd611245c98ded8db79a2748008809

  • SSDEEP

    1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPE47:5dbwovEVyqgoZmZXWfIdQdRaefPN7

Score
7/10

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Network Service Discovery 1 TTPs 9 IoCs

    Attempt to gather information on host's network.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb0d1e8f3446f47e4cd59abfb08af930N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb0d1e8f3446f47e4cd59abfb08af930N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4056
      • C:\Windows\SysWOW64\arp.exe
        arp -a
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:2484
      • C:\Windows\SysWOW64\arp.exe
        arp -s 10.127.0.1 aa-9a-69-f8-12-4f
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:2536
      • C:\Windows\SysWOW64\arp.exe
        arp -s 10.127.255.255 94-b0-67-48-20-00
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:212
      • C:\Windows\SysWOW64\arp.exe
        arp -s 49.12.169.207 2b-44-ff-25-87-9f
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:3456
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.22 a5-78-f5-5b-c4-c2
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:2124
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.251 20-93-36-45-d5-ee
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:4620
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.252 4c-43-e3-49-91-fb
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:1020
      • C:\Windows\SysWOW64\arp.exe
        arp -s 239.255.255.250 54-2a-a8-e1-76-a4
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:2264
      • C:\Windows\SysWOW64\arp.exe
        arp -s 255.255.255.255 b1-13-29-fc-0b-3a
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:4928
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 708
        3⤵
        • Program crash
        PID:2012
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4056 -ip 4056
    1⤵
      PID:2492

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/4056-0-0x0000000010000000-0x0000000010033000-memory.dmp

      Filesize

      204KB

    • memory/4056-2-0x0000000010000000-0x0000000010033000-memory.dmp

      Filesize

      204KB