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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 03:45

General

  • Target

    2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe

  • Size

    36KB

  • MD5

    9724eaa3ac616848ea8e25fb95dac6f6

  • SHA1

    15dfa78868a6fec48d923a841d41ee744dcf9e4d

  • SHA256

    9d17928d26e58f813b81822a05e1538163d9e9f3189516ff9be77a58697f97e3

  • SHA512

    0c78dc7a069e4066503fde055b21e4d972b1278102fde0248c02e62c857bab617e4ce334c02d63c10a016bef8f518431627b81ad5cf9c4fb804f84c7a2b4aec0

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6c3l8Sz960SPluRin:bAvJCYOOvbRPDEgXRc3SSz3SPE4

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-09_9724eaa3ac616848ea8e25fb95dac6f6_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      PID:4572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    36KB

    MD5

    d4157d2333a7bd769a800d0394e29905

    SHA1

    47604ffe3cb0e02098ef52d391f15f92eb1d904a

    SHA256

    70773106fe5378a01cb22e8c1e3219296034c65aab28400d9ae7ae7592d16c8c

    SHA512

    81226fbb3fdba7083a0066fdd29fb8099f67c3c6e3e9284c83c2b74a7b3e036fe0e70d1a4be1aff9f221cfc1c72aa7d634e17c672d2e26f179dde64bc0b47e9c

  • memory/816-0-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/816-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/816-8-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/4572-25-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB