Analysis

  • max time kernel
    13s
  • max time network
    104s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    17-11-2020 11:34

General

  • Target

    7366957065bccb45c383967ab76f1870.dll

  • Size

    199KB

  • MD5

    dfb9e8335d8ae2f4bad70b7df64f0609

  • SHA1

    1f40e079b88f86a0f00e3d6ff2c08da9984e5edf

  • SHA256

    04ff43b10ed915993334153e0f45fd72312d861d89148d37cf50d6c26e04dc73

  • SHA512

    0e2a3d63fcd2fc0adaf76d40110479d07a8cb2e99bcba7025998ef671a9772e530ef6a1462740715367e61108c27d0253de2e0494489eb9acc73e1fb51831a7a

Malware Config

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • ServiceHost packer 4 IoCs

    Detects ServiceHost packer used for .NET malware

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7366957065bccb45c383967ab76f1870.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7366957065bccb45c383967ab76f1870.dll,#1
      2⤵
        PID:4804
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 660
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3800

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3800-1-0x0000000004740000-0x0000000004741000-memory.dmp

      Filesize

      4KB

    • memory/3800-6-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

      Filesize

      4KB

    • memory/4804-0-0x0000000000000000-mapping.dmp

    • memory/4804-2-0x0000000000000000-mapping.dmp

    • memory/4804-3-0x0000000000000000-mapping.dmp

    • memory/4804-4-0x0000000000000000-mapping.dmp

    • memory/4804-5-0x0000000000000000-mapping.dmp