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Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24/02/2024, 02:40

General

  • Target

    2024-02-24_b26f10684596e3a8e5cc348c68758f6c_backswap_icedid.exe

  • Size

    2.6MB

  • MD5

    b26f10684596e3a8e5cc348c68758f6c

  • SHA1

    dfe4aedc773f047800ec2281801c841353d58b66

  • SHA256

    eb76c053d043bdd6cfece2499e29736bfe052ee63bf481a04bd7654f4e56a607

  • SHA512

    bd4ac515e718606c3d1c78d2d44d46a386af1e3b61b6a36d3375122b3acf547c05eee83d194dd5524cc719579821e515844d49509d956587696b0bda741f6b64

  • SSDEEP

    24576:5nWYXDaHMv6CorjqnyPQGzh0JONZejOuC+e4mOzrvxiI3ENyesg/jHLxQVIxX6LH:tl1vqjdPQRw/D4mizA0dizLrB51ve

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 11 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • NTFS ADS 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-02-24_b26f10684596e3a8e5cc348c68758f6c_backswap_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-24_b26f10684596e3a8e5cc348c68758f6c_backswap_icedid.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • NTFS ADS
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:300
    • C:\Program Files\64Âë¸ßÇåÍøÂçµçÊÓv2.4.2.exe
      "C:\Program Files\64Âë¸ßÇåÍøÂçµçÊÓv2.4.2.exe"
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Modifies system certificate store
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2336
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 C:\WINDOWS\Media\ActiveX.ocx /s
      2⤵
        PID:1288

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      344B

      MD5

      48af6824a73331aad842ad562a27e9b6

      SHA1

      894516eba6437b01a2660af9c82f878cdfb0a3da

      SHA256

      38ec368af8f1cb5498591d8e2b186d15e8db1769389e02e066bf8090e873227d

      SHA512

      384b6a31c33dc500b74514daf597b13344213384ef2c4bcd785e52940c711bf457fbdc90cfb2aa5cb53a44ad037b83a93dbcc9ac754c1153be24f170252b418f

    • C:\Users\Admin\AppData\Local\Temp\Cab7274.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar7351.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • C:\WINDOWS\Media\ActiveX.ocx

      Filesize

      12B

      MD5

      6b9922f829b2f479bfa872deceaa902d

      SHA1

      f075eeb50b6af01f184cd9d70efb715d1bf85407

      SHA256

      23fdfadc87f7c91db2c56afd1ae4ebc5ffd787f7e4d6427a2e731ad97c61c351

      SHA512

      424c83ec7f0d4595228e4a8cb4e008b2f99504614452052e2841a4537e4bcec27d4e09f63e997f47208f60280d9b7ec58062a76006fac3ad78dc9d6981e1247a

    • \Program Files\64Âë¸ßÇåÍøÂçµçÊÓv2.4.2.exe

      Filesize

      642KB

      MD5

      d871f2c4088b8b4044a06352378e5f47

      SHA1

      1ac52a4fa15aaee20307c475ff0ef95351418074

      SHA256

      bfc4f31183a35555e19d2095a743129b20949acbcb5ea43a5fbfaa0b7e624bfa

      SHA512

      294a0cc0d8f89b077821ed97891dc693bdb6dd3f7b4436840f78e5663ece817cf6400d782f31ae33b8fdbbffa9c1691e2411fc9240d2100c2c1e2a4be71b2d68