Analysis

  • max time kernel
    3s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    17-11-2020 12:19

General

  • Target

    4682754931b84cc5af863078d7a4de2c.dll

  • Size

    206KB

  • MD5

    a5343ce84719167ca653b8235d3e6348

  • SHA1

    7b7757385be5512d84f93b2103a1f63ee2be9e12

  • SHA256

    c7277e84f63d7ac0c6b23b0fdaf111c4ac36df1bd4df7b6f0f80a011e35fb6ab

  • SHA512

    3072ffc6620f58aab2a13442817cc61ecba13a56cd928d18318a312886c673850f308ce61d830e25ffc8968f7e6f4a9e62a865204ded08a99ffe5fed26aac323

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\4682754931b84cc5af863078d7a4de2c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4682754931b84cc5af863078d7a4de2c.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 244
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1504

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1504-1-0x0000000000000000-mapping.dmp
  • memory/1504-2-0x0000000001F00000-0x0000000001F11000-memory.dmp
    Filesize

    68KB

  • memory/1504-4-0x00000000026C0000-0x00000000026D1000-memory.dmp
    Filesize

    68KB

  • memory/1920-0-0x0000000000000000-mapping.dmp
  • memory/1920-3-0x0000000000000000-mapping.dmp