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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2024, 03:38

General

  • Target

    2024-10-14_76050872e4d7a7b5c21c7c1c662188ba_cryptolocker.exe

  • Size

    40KB

  • MD5

    76050872e4d7a7b5c21c7c1c662188ba

  • SHA1

    10d27a13d6161d0a28485d905ac473de6fc18aad

  • SHA256

    43021caa35dbdb92ef1384630a586a7f88582b299ee6e53af2236d4a889e0aa7

  • SHA512

    fdefec89def27d343be6c7cf179c9ed6c883bd0b76d0b84ac1691c36f34979d92adb4aada43641d350c0c812fe558d7423f01db1f9440f30e3012060007e9d81

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4qNFl:fT+hsMQMOtEvwDpjoIHe

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\2024-10-14_76050872e4d7a7b5c21c7c1c662188ba_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_76050872e4d7a7b5c21c7c1c662188ba_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:736
    • 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:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    40KB

    MD5

    a21c7cbb9ba9d0dee558139661dd2283

    SHA1

    889b34c9b75ee8c015585d2555c53ecac2dac470

    SHA256

    f7925e77d7fb5e85b7bf842200970490ec4c12c2bd212762e283c54aa8c127c5

    SHA512

    f8a32c68fb36132f932d2d7400e54442102c63e2826c57c3936030a5ed7f75c97fdb6038789ec4e79156c88c3a70e291611e1e3f3816dbd1514474e4881f3fc0

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/736-0-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/736-1-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/736-2-0x0000000002220000-0x0000000002226000-memory.dmp

    Filesize

    24KB

  • memory/2516-17-0x0000000001F40000-0x0000000001F46000-memory.dmp

    Filesize

    24KB

  • memory/2516-18-0x0000000001F60000-0x0000000001F66000-memory.dmp

    Filesize

    24KB