Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 00:22

General

  • Target

    086aec922c06f80078c9104a971d07e8.exe

  • Size

    580KB

  • MD5

    086aec922c06f80078c9104a971d07e8

  • SHA1

    a5ff45a853a411dc90645c45afb832b8bdb90cd3

  • SHA256

    1109ec143b103c7c20ef6e7f8ebb95057fc497ef235f6f36e539c2cd67bed614

  • SHA512

    9bde8c4f6aec93b44c0a48c3fb2fdd18bd8681cef8f061a76b8b38f125537e8c681d94d69905675e93dee57125773d33edc76075d30b0f3fdbd701ef05f8cb42

  • SSDEEP

    12288:GjKHCjsJTCgJzIgLQjN0/7L9qUcVwD8kZvLe/6Er4AMus0:GjKHlJTHkgcB0P9CWdB3A/

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\086aec922c06f80078c9104a971d07e8.exe
    "C:\Users\Admin\AppData\Local\Temp\086aec922c06f80078c9104a971d07e8.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Users\Admin\AppData\Local\Temp\n2119\s2119.exe
      "C:\Users\Admin\AppData\Local\Temp\n2119\s2119.exe" /e 13744692 /h e1b5.api.socdn.com /u 9450088c-7934-11e4-8a58-80c16e6f498c /v "C:\Users\Admin\AppData\Local\Temp\086aec922c06f80078c9104a971d07e8.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1844

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\Tar1673.tmp

          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • \Users\Admin\AppData\Local\Temp\n2119\s2119.exe

          Filesize

          353KB

          MD5

          01c504a0234e3973993618e6480d50f2

          SHA1

          b8cabcf96f18b298a36628eece6bc4c46fafeaa3

          SHA256

          34265212e67c86ed786a14628fd423e8397ff1ab72de03aa5b23c18dd0db11c5

          SHA512

          2f18f638c8f51d214a216071d55a7409a136fbca868987a57d365f4b4d953e3883a115f7774bfe16be09fb730ed2c24183967cef3c5dbd039b79d873e8eb29b8

        • memory/1844-78-0x0000000000B30000-0x0000000000BB0000-memory.dmp

          Filesize

          512KB

        • memory/1844-18-0x0000000000B30000-0x0000000000BB0000-memory.dmp

          Filesize

          512KB

        • memory/1844-76-0x0000000000AF0000-0x0000000000B04000-memory.dmp

          Filesize

          80KB

        • memory/1844-17-0x000007FEF52A0000-0x000007FEF5C3D000-memory.dmp

          Filesize

          9.6MB

        • memory/1844-77-0x0000000000B30000-0x0000000000BB0000-memory.dmp

          Filesize

          512KB

        • memory/1844-79-0x000007FEF52A0000-0x000007FEF5C3D000-memory.dmp

          Filesize

          9.6MB

        • memory/1844-80-0x0000000000B30000-0x0000000000BB0000-memory.dmp

          Filesize

          512KB

        • memory/1844-82-0x0000000000B30000-0x0000000000BB0000-memory.dmp

          Filesize

          512KB

        • memory/1844-81-0x0000000000B30000-0x0000000000BB0000-memory.dmp

          Filesize

          512KB

        • memory/1844-83-0x0000000000B30000-0x0000000000BB0000-memory.dmp

          Filesize

          512KB

        • memory/1844-85-0x0000000000B30000-0x0000000000BB0000-memory.dmp

          Filesize

          512KB

        • memory/1844-84-0x000007FEF52A0000-0x000007FEF5C3D000-memory.dmp

          Filesize

          9.6MB