Analysis

  • max time kernel
    51s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    10/11/2020, 07:24

General

  • Target
    c2a008bf39c6bead44e4de0afe7e7f6809ec6d53a2a983671567775e7e74c1ba.exe
  • Size 5.9MB
  • Sample201110-e7y1qq3f7x
  • SHA256 c2a008bf39c6bead44e4de0afe7e7f6809ec6d53a2a983671567775e7e74c1ba
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Cobalt Strike reflective loader 31 IoCs

    Detects the reflective loader used by Cobalt Strike.

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Executes dropped EXE 15 IoCs
  • UPX packed file 31 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 16 IoCs
  • JavaScript code in executable 31 IoCs
  • Drops file in Windows directory 16 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c2a008bf39c6bead44e4de0afe7e7f6809ec6d53a2a983671567775e7e74c1ba.exe
    "C:\Users\Admin\AppData\Local\Temp\c2a008bf39c6bead44e4de0afe7e7f6809ec6d53a2a983671567775e7e74c1ba.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:748
    • C:\Windows\System\OdORtSV.exe
      C:\Windows\System\OdORtSV.exe
      2⤵
      • Executes dropped EXE
      PID:1888
    • C:\Windows\System\NllFsaV.exe
      C:\Windows\System\NllFsaV.exe
      2⤵
      • Executes dropped EXE
      PID:1992
    • C:\Windows\System\RzGRYUr.exe
      C:\Windows\System\RzGRYUr.exe
      2⤵
      • Executes dropped EXE
      PID:2016
    • C:\Windows\System\YspSAit.exe
      C:\Windows\System\YspSAit.exe
      2⤵
      • Executes dropped EXE
      PID:2036
    • C:\Windows\System\aEDrjqB.exe
      C:\Windows\System\aEDrjqB.exe
      2⤵
      • Executes dropped EXE
      PID:1968
    • C:\Windows\System\OMcJhXW.exe
      C:\Windows\System\OMcJhXW.exe
      2⤵
      • Executes dropped EXE
      PID:1940
    • C:\Windows\System\VkvCdfC.exe
      C:\Windows\System\VkvCdfC.exe
      2⤵
      • Executes dropped EXE
      PID:472
    • C:\Windows\System\RdKsMbC.exe
      C:\Windows\System\RdKsMbC.exe
      2⤵
      • Executes dropped EXE
      PID:900
    • C:\Windows\System\VeGUVJl.exe
      C:\Windows\System\VeGUVJl.exe
      2⤵
      • Executes dropped EXE
      PID:616
    • C:\Windows\System\vnirztU.exe
      C:\Windows\System\vnirztU.exe
      2⤵
      • Executes dropped EXE
      PID:1060
    • C:\Windows\System\ODSxDRw.exe
      C:\Windows\System\ODSxDRw.exe
      2⤵
      • Executes dropped EXE
      PID:1776
    • C:\Windows\System\ZJsWqWM.exe
      C:\Windows\System\ZJsWqWM.exe
      2⤵
      • Executes dropped EXE
      PID:1680
    • C:\Windows\System\AxjskGi.exe
      C:\Windows\System\AxjskGi.exe
      2⤵
      • Executes dropped EXE
      PID:1232
    • C:\Windows\System\AfTjnMQ.exe
      C:\Windows\System\AfTjnMQ.exe
      2⤵
      • Executes dropped EXE
      PID:1284
    • C:\Windows\System\LReriqO.exe
      C:\Windows\System\LReriqO.exe
      2⤵
      • Executes dropped EXE
      PID:1452
    • C:\Windows\System\hZxBYuD.exe
      C:\Windows\System\hZxBYuD.exe
      2⤵
        PID:1468

    Network

          MITRE ATT&CK Matrix

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