Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/11/2024, 10:51

General

  • Target

    2645d9eda8e00105bc65dc4b0aa03b64a4b0838a2fd2404b03f41ce800522c81N.dll

  • Size

    80KB

  • MD5

    ca0904c7c9c8f260335223101a2a9f80

  • SHA1

    975429eefe193af74517cdfa44b6c8ab397fc08d

  • SHA256

    2645d9eda8e00105bc65dc4b0aa03b64a4b0838a2fd2404b03f41ce800522c81

  • SHA512

    b3a6df2c89593ea100f1d8ab2b45c1fba5df7bcf85a18fdd8e99d5255b0e5329ee3a3e4b5437aef615270f9cae0d731fbaf0641653e70ebf59157720f48e53d3

  • SSDEEP

    1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEYgXfGhoxd:5dbwovEVyqgoZmZXWfIdQdRaefPtgXf/

Score
6/10

Malware Config

Signatures

  • Network Service Discovery 1 TTPs 9 IoCs

    Attempt to gather information on host's network.

  • UPX packed file 2 IoCs

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

  • 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\2645d9eda8e00105bc65dc4b0aa03b64a4b0838a2fd2404b03f41ce800522c81N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2645d9eda8e00105bc65dc4b0aa03b64a4b0838a2fd2404b03f41ce800522c81N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:536
      • C:\Windows\SysWOW64\arp.exe
        arp -a
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:2328
      • C:\Windows\SysWOW64\arp.exe
        arp -s 10.127.0.1 5a-70-45-c5-36-c2
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:4448
      • C:\Windows\SysWOW64\arp.exe
        arp -s 10.127.255.255 a3-12-78-d4-b1-07
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:2716
      • C:\Windows\SysWOW64\arp.exe
        arp -s 37.27.61.185 ba-73-f9-b7-24-01
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:3592
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.22 a6-9c-a3-a1-8e-72
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:3508
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.251 96-3c-8c-e2-d3-d5
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:3596
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.252 b8-84-8d-39-79-f6
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:3716
      • C:\Windows\SysWOW64\arp.exe
        arp -s 239.255.255.250 25-5f-08-68-f3-ff
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:5008
      • C:\Windows\SysWOW64\arp.exe
        arp -s 255.255.255.255 3b-7a-62-de-42-1e
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:1712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 728
        3⤵
        • Program crash
        PID:2372
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 536 -ip 536
    1⤵
      PID:3344

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/536-0-0x0000000010000000-0x0000000010033000-memory.dmp

      Filesize

      204KB

    • memory/536-2-0x0000000010000000-0x0000000010033000-memory.dmp

      Filesize

      204KB