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Analysis

  • max time kernel
    95s
  • max time network
    134s
  • 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, 05:30

General

  • Target

    2024-09-19_7d92b18784b5790b89b76fa04ed13e0b_cryptolocker.exe

  • Size

    47KB

  • MD5

    7d92b18784b5790b89b76fa04ed13e0b

  • SHA1

    ebaffc99abfab8ea89bc0d9d4144c0a404eb98f8

  • SHA256

    716d30dd5a0e202b09465dea985f637894f2c8b67a600ba1562c85e6a7642ac8

  • SHA512

    559f077411f7ba73ebe4cd2dd131f8032e14f49b1c70d1f4ab3ab46a808095ef3bb33b87e6c291b8b6d2c2d1a308f2a7b173a9abc1928a9d19d73ae8f029886e

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLtldeddKyYWQ:xj+VGMOtEvwDpjk/e/E

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\2024-09-19_7d92b18784b5790b89b76fa04ed13e0b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_7d92b18784b5790b89b76fa04ed13e0b_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:524
    • 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:3012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    a75f7e5037a99a122a341d0bac866026

    SHA1

    67f38dbe916f4f103526babd06c3d9a6b223b357

    SHA256

    7e308bc983c5064637792439e1dfcb8d314dcb6d0ee0ed073d36a66b7714cafb

    SHA512

    e4f6acc0a605684eb8b3f0af1ddd25aa41c0ad069ce93de3417116774be6b33180c9031d5fd30f96cbd09db531c1bb8f3b3e80fa2d582b9f5e84b7ad3b484b0a

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/524-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/524-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/524-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/524-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/524-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3012-25-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/3012-19-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/3012-48-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB