Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 08:36

General

  • Target

    2024-10-09_f2ed0022dbf1b3ff098eb62efee5a343_cryptolocker.exe

  • Size

    47KB

  • MD5

    f2ed0022dbf1b3ff098eb62efee5a343

  • SHA1

    a55072d4f848d49fe369ea4295b96a77d47e4a59

  • SHA256

    aaf2190300aae5d8c1d3af9f7313d3a8639d2ee6f954885277e829d2af1cef2f

  • SHA512

    08eb6c335b00201d2021b6847f59e012afdc7f03b7584a4e089428c808feb7f474186db0161150584773461e0a6ecef39e8f446ac49276fd8ae1677f44b37d2d

  • SSDEEP

    768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qnfvYC:79mqyNhQMOtEvwDpjBxe8Cvr

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\2024-10-09_f2ed0022dbf1b3ff098eb62efee5a343_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_f2ed0022dbf1b3ff098eb62efee5a343_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1808
    • 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:2196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    4efabc7a0372de3259378c99da8fd7ba

    SHA1

    4a376315919c73d9f4d41908318a6efbb0db8101

    SHA256

    7989e1d9c9e3ae5e7bc659555767ba679617bb6fc331b588969ddadafb5f5338

    SHA512

    b2bfca348f0b4c4bb49a64e7884cbc62ea0e84605927e20c244d2190a00c931d107c65e702b9f117b6883f59189a06447f4a553e4f42f786b8652e7a131a95d5

  • memory/1808-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1808-1-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/1808-2-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/1808-3-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB

  • memory/1808-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2196-19-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB

  • memory/2196-20-0x00000000020D0000-0x00000000020D6000-memory.dmp

    Filesize

    24KB

  • memory/2196-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB