Analysis

  • max time kernel
    132s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 08:27

General

  • Target

    2024-10-31_7719562a6e42fa78d822e3912dcb4aee_cryptolocker.exe

  • Size

    64KB

  • MD5

    7719562a6e42fa78d822e3912dcb4aee

  • SHA1

    0c72f58204cd071982107f76ff49533a7e55948f

  • SHA256

    9b28832707421fb1381eccf76b740fc2a20a9a453667e469d967090fc75e1358

  • SHA512

    5f0e08348fa3e91977506f2f4c1df815d1e1f7b2d36dd562dcea6f722a047ccdbdd24482f16fc76038927724c36e293aaad162386ba41fb323f6ce6fadfb413f

  • SSDEEP

    1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgU:DW60sllyWOtEvwDpjwF8F

Score
7/10

Malware Config

Signatures

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-31_7719562a6e42fa78d822e3912dcb4aee_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-31_7719562a6e42fa78d822e3912dcb4aee_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    64KB

    MD5

    665b596cb4be74362f41bf09b08f7d0f

    SHA1

    4a6ffa4aed1f5eb44cceb6b3f52b2f954dfc1085

    SHA256

    e5d14d7dd8e0febe636125e30d5a08622019ceb796f53f8f6aa09641878452db

    SHA512

    497de8b07c211ff1aad1b2feb344a3059a38418d22d25deb13cd4aafe27e67b2fa0a6cb29b6a7ce69c195348f4f5331ba7cd3b26b681564ae9eafec0525d023c

  • memory/700-18-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/700-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/700-25-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2124-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2124-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2124-9-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2124-1-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2124-15-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB