Analysis

  • max time kernel
    4s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    12-11-2020 13:56

General

  • Target

    9b3256082d52fa5f63f0c1502c3028124f01bf2d1244ac159ecaec2898180a7d.dll

  • Size

    244KB

  • MD5

    93451f4312bbb46f654b985d825a4cca

  • SHA1

    21e1c3cdcf86f4224fa2c0d797875c4bebb7bce4

  • SHA256

    9b3256082d52fa5f63f0c1502c3028124f01bf2d1244ac159ecaec2898180a7d

  • SHA512

    a122a6431aabb7f4ec72c2d09148682275d9f37f04c85c3732f4888ee8ee6a80de64ac82ddb64c1212a4c950119d18a8be4e25392e3bb32e0972d7b48b145130

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\9b3256082d52fa5f63f0c1502c3028124f01bf2d1244ac159ecaec2898180a7d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b3256082d52fa5f63f0c1502c3028124f01bf2d1244ac159ecaec2898180a7d.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1960
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 196
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1500

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1500-1-0x0000000000000000-mapping.dmp
  • memory/1500-2-0x0000000001DA0000-0x0000000001DB1000-memory.dmp
    Filesize

    68KB

  • memory/1500-4-0x0000000002490000-0x00000000024A1000-memory.dmp
    Filesize

    68KB

  • memory/1960-0-0x0000000000000000-mapping.dmp
  • memory/1960-3-0x0000000000000000-mapping.dmp