Analysis

  • max time kernel
    103s
  • max time network
    105s
  • 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 19:54

General

  • Target

    cff215800d65b8e3a2fbb46776c04fb0N.dll

  • Size

    76KB

  • MD5

    cff215800d65b8e3a2fbb46776c04fb0

  • SHA1

    f91fd06722cf40a965824e6a78bc5cc8416196b0

  • SHA256

    443e72779d741b4330f95d0be2925a4b9090167df6d576d65364710af3e05e24

  • SHA512

    427ca003e16da62384fe1686f8082e5a81040b00d8cd6f374824b60d8750af30feb9a6c87cf583201355c332d1044055a1596af929d3c989ba3a4da7341e8756

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZvQpBFS:c8y93KQjy7G55riF1cMo03BQpBFS

Score
7/10

Malware Config

Signatures

  • 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 1 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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cff215800d65b8e3a2fbb46776c04fb0N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cff215800d65b8e3a2fbb46776c04fb0N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4900
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 704
        3⤵
        • Program crash
        PID:1120
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4900 -ip 4900
    1⤵
      PID:2724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/4900-0-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/4900-2-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB