Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01/06/2024, 20:04

General

  • Target

    2024-06-01_6ca26d69ffe24566a19c28869500b828_cryptolocker.exe

  • Size

    37KB

  • MD5

    6ca26d69ffe24566a19c28869500b828

  • SHA1

    9d45579b8edebc6074f85f89870bc503736bd585

  • SHA256

    2dbd3499a95db5520d651f827c94496c89382759cf910c69ec27cc320710d391

  • SHA512

    338291199380940056088556d56f35afb54ee3618305abbd447038514590b53170909ea50c9915bd51e3a2aada074d94f08dd2aa1f4f904a179aa2f3ffe0c5ef

  • SSDEEP

    384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSyc0:btB9g/WItCSsAGjX7e9N0hunRvc0

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-01_6ca26d69ffe24566a19c28869500b828_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_6ca26d69ffe24566a19c28869500b828_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2116

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Local\Temp\gewos.exe

          Filesize

          37KB

          MD5

          c3764873bd8a61ddfac7b2567dc805a9

          SHA1

          223ef2d4277a9c572c5e09da0f91bd8182e9f755

          SHA256

          261ed4c7e64d90816e079122e2e8e891cb75fc513da9c226e94d0f171779c9eb

          SHA512

          616b0a624773a94d1019783ea4d4046c4473d2188792829c889d308b1e195823b02937c639eb570078f69ddd04c5a9ca73a5723ce0886cd0ad30d43fcf2b4ca4

        • memory/2116-23-0x0000000000350000-0x0000000000356000-memory.dmp

          Filesize

          24KB

        • memory/2740-0-0x0000000000260000-0x0000000000266000-memory.dmp

          Filesize

          24KB

        • memory/2740-8-0x0000000000260000-0x0000000000266000-memory.dmp

          Filesize

          24KB

        • memory/2740-1-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB