Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 03:24

General

  • Target

    2024-09-19_1e12f98e353b212a9681a5e0a37ab6a0_cryptolocker.exe

  • Size

    31KB

  • MD5

    1e12f98e353b212a9681a5e0a37ab6a0

  • SHA1

    c098d18072c53e45a9c21c34e4ae3aef62a2901f

  • SHA256

    141080a294877cd17d386a760b5e2358e4877e98bdd6fb611011b50eff9c06d9

  • SHA512

    981f6a641d4d857fd423d6ba0c619245303a5dba5be7786f1ff46dc5f4647052b2478b1a2ac5c37a9f6a7fcbbd9b39e9117b002afac60bb0cd9f3123cf3c71a1

  • SSDEEP

    384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUAweh:bG74zYcgT/Ekd0ryfjWeh

Score
7/10

Malware Config

Signatures

  • 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).

  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-19_1e12f98e353b212a9681a5e0a37ab6a0_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_1e12f98e353b212a9681a5e0a37ab6a0_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    31KB

    MD5

    83dfb03169639f212802f413ed481fd0

    SHA1

    7f3425348d2db6fc613bd666ef0c7745607f13ae

    SHA256

    72ee02a4caf69b3a26b471af5729509dd803a0bafc12084be718a1af4bd26350

    SHA512

    1f41917693bd15f2fddf07b07731d9ca0210e6117790c1a5b4b8f8b85433b2513867187cfedbc0815a97f328487e4c036d929c3f320f3ed9fb37827dd2cb35bf

  • memory/1564-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/1564-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

    Filesize

    24KB

  • memory/1564-2-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

    Filesize

    24KB

  • memory/1564-3-0x0000000003150000-0x0000000003156000-memory.dmp

    Filesize

    24KB

  • memory/1564-17-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/5048-20-0x0000000003010000-0x0000000003016000-memory.dmp

    Filesize

    24KB

  • memory/5048-19-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/5048-26-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB