Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 19:16

General

  • Target

    20240521d62552702e5534e745c2b87133ba1afbcryptolocker.exe

  • Size

    47KB

  • MD5

    d62552702e5534e745c2b87133ba1afb

  • SHA1

    25b6c9cd7e3b99848ced6ef4ae9d94bc5f11058c

  • SHA256

    c4dcb2e8b4b8daeab21447876e51636233be4a7f106b6cccf331bba7a571cb77

  • SHA512

    a33a9a8a2977e0e69ede16b41eebf8de10108165d6f1acdf6de2a7291e090c7645574b6c9e6d906c89c5202b0a04a417188af9501ec92d19f00bc6058f78a0a2

  • SSDEEP

    768:79inqyNR/QtOOtEvwDpjBKccJVODvy3SpUm:79mqyNhQMOtEvwDpjBzckqS/

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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20240521d62552702e5534e745c2b87133ba1afbcryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\20240521d62552702e5534e745c2b87133ba1afbcryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:4704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    2c43e9661f898faeb2bf6ea8c54d1688

    SHA1

    1eb50ae2a4e8281a9980f51f9bdb18fc6936d4a7

    SHA256

    3ed665551ba4cc8bbbaf40c78b772bcc7e4bc9c6dc6d41ace75fc3d18eada327

    SHA512

    665242197908e380829c0df4baba3ec4f78d468960a69be5fa269f936c2ca1b4427fff834ee7e4f7a20a81bd2bb5acd4c4687fd38524c54dd1fa3158bafb7f1c

  • memory/2264-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2264-1-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/2264-2-0x0000000000880000-0x0000000000886000-memory.dmp

    Filesize

    24KB

  • memory/2264-9-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/2264-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4704-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4704-22-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4704-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB