Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    06/06/2024, 21:36

General

  • Target

    2024-06-06_cda8a85a2e9271f6e36b0105f9e81c45_cryptolocker.exe

  • Size

    82KB

  • MD5

    cda8a85a2e9271f6e36b0105f9e81c45

  • SHA1

    d28aff7e953da0b1e5d23ce66f24c4da29fad715

  • SHA256

    27da47535ed752826075a7164ee125af148c7c8450edc29ee7ade52592a4a6f2

  • SHA512

    e6b854bf893d4f9c2d0774982c9ef9f48627d969412005f70a1ee2e42d4454eb6bbb1bb0e9c0dc0b92b2d1c41bb02cb35acf98f2feb2a7c6a0a08aced1c96d5c

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMr3Y:TCjsIOtEvwDpj5HE/OUHnSMe

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-06_cda8a85a2e9271f6e36b0105f9e81c45_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-06_cda8a85a2e9271f6e36b0105f9e81c45_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2624

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          82KB

          MD5

          afea4ab42f0ddaa662b383c3a3af209b

          SHA1

          0598e21c2eb73cf8e6a6120a90d90f6f4456e81f

          SHA256

          df57eaa20d830bab09d10fc7999103bed7593a98c08015632da1630762350bc4

          SHA512

          949f2fb8c652234201cced585bca39714776b233cca1e84db0f066f56c2415c0fd70696712c831ba04716676be31ce19a42b80b21518777318094f052e9ec2c4

        • memory/2280-0-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB

        • memory/2280-1-0x0000000000450000-0x0000000000456000-memory.dmp

          Filesize

          24KB

        • memory/2280-2-0x0000000000490000-0x0000000000496000-memory.dmp

          Filesize

          24KB

        • memory/2280-9-0x0000000000450000-0x0000000000456000-memory.dmp

          Filesize

          24KB

        • memory/2280-15-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB

        • memory/2624-16-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB

        • memory/2624-18-0x0000000000280000-0x0000000000286000-memory.dmp

          Filesize

          24KB

        • memory/2624-25-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/2624-26-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB