Analysis

  • max time kernel
    9s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-11-2020 22:37

General

  • Target

    921ba3ee946b8cf59df3ee83b8824a254bc7b69e68c5c6d63af1497c0930cbb9.dll

  • Size

    204KB

  • MD5

    111e86e4e8ff48b9090e8d46ba7d3ced

  • SHA1

    a814327f5f21e7fe932e43818b4d6e044bf3c061

  • SHA256

    921ba3ee946b8cf59df3ee83b8824a254bc7b69e68c5c6d63af1497c0930cbb9

  • SHA512

    4bf30c67eb6c103de3afb8980679329667bbd007b6d2e36155172c565cba97ac0e12f7e90703c662f696c14a91e7b5a99ec4acc6c13910295b7254dbee8f9a7c

Malware Config

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\921ba3ee946b8cf59df3ee83b8824a254bc7b69e68c5c6d63af1497c0930cbb9.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\921ba3ee946b8cf59df3ee83b8824a254bc7b69e68c5c6d63af1497c0930cbb9.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1840
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 232
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2044

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1840-0-0x0000000000000000-mapping.dmp
  • memory/1840-3-0x0000000000000000-mapping.dmp
  • memory/2044-1-0x0000000000000000-mapping.dmp
  • memory/2044-2-0x0000000002080000-0x0000000002091000-memory.dmp
    Filesize

    68KB

  • memory/2044-4-0x0000000002550000-0x0000000002561000-memory.dmp
    Filesize

    68KB