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Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/12/2024, 23:11

General

  • Target

    50e70a1e97573cddb26eb4d2b9ec2ad501381d36e1884130e7603f103ec2516e.dll

  • Size

    80KB

  • MD5

    68d42c8bbea29e3e19cc366680150d4f

  • SHA1

    571d3ca158e5a4b5464af2e8b9e8b0e982bc35bc

  • SHA256

    50e70a1e97573cddb26eb4d2b9ec2ad501381d36e1884130e7603f103ec2516e

  • SHA512

    92ca8fa53f7068a1340e018151e4dd4db1a662b5dbd20d39279886d1f28ee5989860644938baa6ffa19b16b6939be8ac2f3b0c9bcf56d4acfa36a65a43e539ba

  • SSDEEP

    1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEqQWMInY:5dbwovEVyqgoZmZXWfIdQdRaefPJnY

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • 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\50e70a1e97573cddb26eb4d2b9ec2ad501381d36e1884130e7603f103ec2516e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4244
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\50e70a1e97573cddb26eb4d2b9ec2ad501381d36e1884130e7603f103ec2516e.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5024
      • C:\Windows\SysWOW64\arp.exe
        arp -a
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:5008
      • C:\Windows\SysWOW64\arp.exe
        arp -s 10.127.0.1 34-28-3d-4e-2d-e0
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:3676
      • C:\Windows\SysWOW64\arp.exe
        arp -s 10.127.255.255 cf-2f-5c-0b-fe-d8
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:1996
      • C:\Windows\SysWOW64\arp.exe
        arp -s 37.27.61.184 11-0b-31-6f-a0-4f
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:3104
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.22 1c-ea-7b-13-5f-73
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:4844
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.251 99-ad-ae-ad-45-b7
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:2220
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.252 f3-f6-c5-4b-2b-50
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:3432
      • C:\Windows\SysWOW64\arp.exe
        arp -s 239.255.255.250 b2-e7-7e-6a-e1-f9
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:768
      • C:\Windows\SysWOW64\arp.exe
        arp -s 255.255.255.255 69-49-cf-fb-58-6c
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:4268
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 704
        3⤵
        • Program crash
        PID:3280
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5024 -ip 5024
    1⤵
      PID:2008

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/5024-0-0x0000000010000000-0x0000000010033000-memory.dmp

      Filesize

      204KB

    • memory/5024-2-0x0000000010000000-0x0000000010033000-memory.dmp

      Filesize

      204KB