Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-09-2024 03:00

General

  • Target

    2024-09-12_c1b2e75106b20a2b61d680bd213eacf7_cryptolocker.exe

  • Size

    67KB

  • MD5

    c1b2e75106b20a2b61d680bd213eacf7

  • SHA1

    831fb7ad28249303df6e28251d26fdef5ed4a494

  • SHA256

    507aa5f014d8e9c52ef65d15f0e0b4da9c397a4924f3eadc10d2c52693b12d1e

  • SHA512

    1a96f4c4bebb3a8a5ce9c0a67ca37a56e80ef8db741bae13c0f98e1a2bded0da16e195eb69653efa094825e69669a763d2acc1f76b5d9cd434a055f0aaee3208

  • SSDEEP

    1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsijk:BbdDmjr+OtEvwDpjM8B

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\2024-09-12_c1b2e75106b20a2b61d680bd213eacf7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_c1b2e75106b20a2b61d680bd213eacf7_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2808
    • 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:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    1fa111b693fd952c28318d05749e1edb

    SHA1

    61e26afa207f5e754fba8dc7cfa36c4b4d1f47d5

    SHA256

    d98471b09291cd5903582b293451467356eb567e21ce6d7e38c0414c721c320b

    SHA512

    b7be66892da2bfe919de045f72075f62f1ab5b9168f53f15f9d6b5180f2ae9d27c6f46e6b9e7ab5967aafa157843738da9c692befa67914a35e10a13aa7eef8f

  • memory/2736-18-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2736-25-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2736-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2808-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2808-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2808-9-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2808-1-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2808-15-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB