Analysis

  • max time kernel
    87s
  • max time network
    88s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    12-11-2020 14:01

General

  • Target

    40d2a7f006a53880defa45870077ce32be8ff5144a6e567a59d33032d8ce38ca.dll

  • Size

    206KB

  • MD5

    151daba1d194acb8d5a42cafaaaf19be

  • SHA1

    57a8f4a65d7f8a186311d0643d01bd4416098ff2

  • SHA256

    40d2a7f006a53880defa45870077ce32be8ff5144a6e567a59d33032d8ce38ca

  • SHA512

    812f210d0d6e5461e31919655bb2fa873f07e939338a9caea5cad2c0ff0d440d3302c44a6e0729e195702237bcb5a05bfc09e43dfc133cb9826c2988a5bd8390

Malware Config

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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\40d2a7f006a53880defa45870077ce32be8ff5144a6e567a59d33032d8ce38ca.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\40d2a7f006a53880defa45870077ce32be8ff5144a6e567a59d33032d8ce38ca.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 244
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1316

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1240-0-0x0000000000000000-mapping.dmp
  • memory/1240-3-0x0000000000000000-mapping.dmp
  • memory/1316-1-0x0000000000000000-mapping.dmp
  • memory/1316-2-0x0000000002130000-0x0000000002141000-memory.dmp
    Filesize

    68KB

  • memory/1316-4-0x0000000002840000-0x0000000002851000-memory.dmp
    Filesize

    68KB