Analysis

  • max time kernel
    94s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 03:48

General

  • Target

    2024-09-21_f6893d940d345af9654f542cf92e6816_cryptolocker.exe

  • Size

    55KB

  • MD5

    f6893d940d345af9654f542cf92e6816

  • SHA1

    50881e6574457d1016153fc3327fca4998d7a16b

  • SHA256

    dbecdcb01493d8ebb82a746d2c6c2f1ef15c57dbc8457c42f77c8fa7f35c282a

  • SHA512

    3f3d452af9eededab4aa182051d811018981cfc009025ad8d397b48b672caffaa177ef5397f4a47ec8a9771c6e6d4e65f519d3436eaaea79b16d1608931efa77

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2lT:TCjsIOtEvwDpj5HE/OUHnSMYT

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\2024-09-21_f6893d940d345af9654f542cf92e6816_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-21_f6893d940d345af9654f542cf92e6816_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5064
    • 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:232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    56KB

    MD5

    1985d0187d1dd5045b008eb29afdd400

    SHA1

    7146480ed4a10c4d6fb65ff7eb244855eea0cf51

    SHA256

    c442c9e587ce84babb9b6911ee6651fca5dc9b6ef28aae5cd7565821a1188e6f

    SHA512

    9d6760ac99b62f44f5bb301d091b5670b4188964aeba0b34ed21ed489d1b91dfc451a6f17738a3d3d013f35c697a77632796df451448ea388278576272eefa60

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/232-20-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/232-19-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/232-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/5064-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/5064-1-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/5064-2-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/5064-3-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/5064-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB