Analysis

  • max time kernel
    150s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-08-2023 18:05

General

  • Target

    9f9b3e2b168611f7622e379e6ac1e3b8_cryptolocker_JC.exe

  • Size

    27KB

  • MD5

    9f9b3e2b168611f7622e379e6ac1e3b8

  • SHA1

    bb3304eb7d2f63acd5c1cccc1e0aa1875b332f3b

  • SHA256

    009c897f31470685d477fcfb8f0e251fb03777259b63f5b0956669c892be6e5b

  • SHA512

    bb20da24337529f25a42127a2ec18e40fc6dbf359affc6060e31a26caebdb2da9f20bdceff9294e474ded58adfbd0f77f5399538d0cbe3acffd857b5e0e88485

  • SSDEEP

    384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUk5y:bgX4zYcgTEu6QOaryfjY

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f9b3e2b168611f7622e379e6ac1e3b8_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\9f9b3e2b168611f7622e379e6ac1e3b8_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\hasfj.exe

    Filesize

    27KB

    MD5

    a9d33035f27ec4ee2af69ce6e124fa5e

    SHA1

    7c0cf3c2d1bf3308097d53e6a82408f8280b6a7e

    SHA256

    e2b36ec66a50a17733b1c91227fc1c4c7cf2872161783abbdce17537751db5d4

    SHA512

    307b24cc24c0b991baa7c6510e8ebf8489b8597e6ccc6bf47914685145f90fe92b14dc4c1bc8b5044d3ba2cb38584619ea0ddb006a2c4b739abe9414802d423d

  • C:\Users\Admin\AppData\Local\Temp\hasfj.exe

    Filesize

    27KB

    MD5

    a9d33035f27ec4ee2af69ce6e124fa5e

    SHA1

    7c0cf3c2d1bf3308097d53e6a82408f8280b6a7e

    SHA256

    e2b36ec66a50a17733b1c91227fc1c4c7cf2872161783abbdce17537751db5d4

    SHA512

    307b24cc24c0b991baa7c6510e8ebf8489b8597e6ccc6bf47914685145f90fe92b14dc4c1bc8b5044d3ba2cb38584619ea0ddb006a2c4b739abe9414802d423d

  • C:\Users\Admin\AppData\Local\Temp\hasfj.exe

    Filesize

    27KB

    MD5

    a9d33035f27ec4ee2af69ce6e124fa5e

    SHA1

    7c0cf3c2d1bf3308097d53e6a82408f8280b6a7e

    SHA256

    e2b36ec66a50a17733b1c91227fc1c4c7cf2872161783abbdce17537751db5d4

    SHA512

    307b24cc24c0b991baa7c6510e8ebf8489b8597e6ccc6bf47914685145f90fe92b14dc4c1bc8b5044d3ba2cb38584619ea0ddb006a2c4b739abe9414802d423d

  • memory/2520-133-0x0000000000780000-0x0000000000786000-memory.dmp

    Filesize

    24KB

  • memory/2520-134-0x0000000000780000-0x0000000000786000-memory.dmp

    Filesize

    24KB

  • memory/2520-135-0x0000000003150000-0x0000000003156000-memory.dmp

    Filesize

    24KB

  • memory/2840-151-0x0000000002110000-0x0000000002116000-memory.dmp

    Filesize

    24KB

  • memory/2840-150-0x00000000022C0000-0x00000000022C6000-memory.dmp

    Filesize

    24KB