Overview

overview

10

Static

static

10

dd4a1597f0...07.exe

windows7-x64

10

dd4a1597f0...07.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2024, 04:58

Sharing

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General

  • Target
    dd4a1597f042bcd6d90655e8eec62f07.exe
  • Size 5.4MB
  • Sample240325-fl3c4agf77
  • SHA256 c30b253b508686230659b20db4fc677832797cf2546160f02ba2c845985b4900
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
cobaltstrikebackdoortrojan

Malware Config

Extracted

Family

  • cobaltstrike

C2

  • http://192.168.234.140:8081/lB8w

Attributes
  • user_agent

    User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0; Touch; MALCJS)

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Loads dropped DLL 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd4a1597f042bcd6d90655e8eec62f07.exe
    "C:\Users\Admin\AppData\Local\Temp\dd4a1597f042bcd6d90655e8eec62f07.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Users\Admin\AppData\Local\Temp\dd4a1597f042bcd6d90655e8eec62f07.exe
      "C:\Users\Admin\AppData\Local\Temp\dd4a1597f042bcd6d90655e8eec62f07.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:968

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI10362\VCRUNTIME140.dll
        • Size 87KB
        • SHA256 bf5ff4603557c9959acec995653d052d9054ad4826df967974efd2f377c723d1
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI10362\_ctypes.pyd
        • Size 130KB
        • SHA256 d8b8cd706d524ab152d1f8f44f239487b89ee9c32bc692f6d2bdc84073ba56a0
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI10362\base_library.zip
        • Size 762KB
        • SHA256 fa52b9aaed7efa57f8e6d629e707145cb1271e2b691414e1004dd284bc075387
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        python37.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI10362\python37.dll
        • Size 3.6MB
        • SHA256 8eb835d88e72e998b82916fb20a252af615d6e641827e013411239d115d5dd69
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/968-22-0x000001F490490000-0x000001F490491000-memory.dmp
        Download