Analysis

  • max time kernel
    112s
  • max time network
    8s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    07-01-2021 11:42

General

  • Target

    cobaltstrike_shellcode_child1.bin.exe

  • Size

    240KB

  • MD5

    9646860e43223f6da940bf294661c374

  • SHA1

    711d99b63ba69c622cc28ce6e3d3ff93426a646b

  • SHA256

    4bf49bf71de958178160f5e5bc18f7f7967ee25492b52a72ebfb4ea8e4778aee

  • SHA512

    1c0e40d19938533c393c35fd5188f58e52f16375cc79ab95b393dc66c0fde32658306b6277912979f0c3fcbc4ec349d96bd4ed8feb1f8eb0f954f168dac81405

Malware Config

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cobaltstrike_shellcode_child1.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\cobaltstrike_shellcode_child1.bin.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 44
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1312

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1312-2-0x0000000000000000-mapping.dmp
  • memory/1312-3-0x0000000001FE0000-0x0000000001FF1000-memory.dmp
    Filesize

    68KB

  • memory/1312-4-0x0000000002440000-0x0000000002451000-memory.dmp
    Filesize

    68KB

  • memory/1312-5-0x0000000001FE0000-0x0000000001FF1000-memory.dmp
    Filesize

    68KB