Analysis

  • max time kernel
    112s
  • max time network
    111s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    12-11-2020 14:36

General

  • Target

    a418c205a0e42a84ecedea8d2b79d700bc6c6962d91cc76446800cc4cb67963e.dll

  • Size

    244KB

  • MD5

    e10a231d10334d2def1a26db8c7624d2

  • SHA1

    b3d4b8a0c268bfe29ed728b178969b2928893e84

  • SHA256

    a418c205a0e42a84ecedea8d2b79d700bc6c6962d91cc76446800cc4cb67963e

  • SHA512

    400fed388b3c9271e040504c6bec0f3c8ac8498a97ea1f706ad7510e78cc078903c8e9e54e0e6983cfd22d915d35323491eca1ca278b9aa8bb3bdd703f1f7369

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\a418c205a0e42a84ecedea8d2b79d700bc6c6962d91cc76446800cc4cb67963e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:292
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a418c205a0e42a84ecedea8d2b79d700bc6c6962d91cc76446800cc4cb67963e.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 196
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1988

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1920-0-0x0000000000000000-mapping.dmp
  • memory/1920-3-0x0000000000000000-mapping.dmp
  • memory/1988-1-0x0000000000000000-mapping.dmp
  • memory/1988-2-0x0000000001F30000-0x0000000001F41000-memory.dmp
    Filesize

    68KB

  • memory/1988-4-0x0000000002540000-0x0000000002551000-memory.dmp
    Filesize

    68KB