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Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2024, 09:26

General

  • Target

    2024-10-10_612f521ec70b519cf102a3ba852f543a_cryptolocker.exe

  • Size

    71KB

  • MD5

    612f521ec70b519cf102a3ba852f543a

  • SHA1

    09072604010a27c438aa29ecba75bb368bab3966

  • SHA256

    35b1b0823e65adc04f28d148967272517a950dc1c29f74d4ddd37d4415eca07f

  • SHA512

    045256ffdef47548812f4ad370ccf9a1c3710259227bad5a00e2f4ec7ce58088da1f6330b158a15a76647a46949a24f0dd9b931ff84b803b6dcd10e517256e58

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/RvDQeduJHqqnzvNGs/:ZzFbxmLPWQMOtEvwDpj386Sj/RsxB

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 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.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-10_612f521ec70b519cf102a3ba852f543a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-10_612f521ec70b519cf102a3ba852f543a_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:3216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    71KB

    MD5

    1def1d8d801956735801923d151ed691

    SHA1

    cc8293b261a2925bdd899764d8444b66d4e1b781

    SHA256

    6f50bfc7bc03da85d8344ca5d76ee02d4277edccd75950481d44515872af1312

    SHA512

    5b5353f942377fb6434605c4aaef9d655028a2c92ac6177d681ec54e1e2b767fed241d66fdc32a66ab258177910774f88481dfc1bb331475ca828efaf96e8ea6

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2472-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/2472-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB

  • memory/2472-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB

  • memory/2472-3-0x0000000000610000-0x0000000000616000-memory.dmp

    Filesize

    24KB

  • memory/2472-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/3216-25-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/3216-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB