Analysis

  • max time kernel
    93s
  • max time network
    94s
  • 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 04:48

General

  • Target

    2024-10-14_885f6120b3f2f41394a6d7b678a0a3a7_cryptolocker.exe

  • Size

    81KB

  • MD5

    885f6120b3f2f41394a6d7b678a0a3a7

  • SHA1

    e4bbcb43cdddbe1682b510e80508237288dbce5a

  • SHA256

    e4a11f2b70065be6571f8582a0f3f11dcca20f9158fbead759494b8f2dbf715f

  • SHA512

    06417bb10cf8d742467ef2368d159eb77581303f7472a37530c579bd77d99b8b1b8659bee43e2cc99d8ac7aaf88095ce7deb49a6e53eea3816bd86b3b14b01bc

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/Rs580gVea:ZVxkGOtEvwDpjchd

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_885f6120b3f2f41394a6d7b678a0a3a7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_885f6120b3f2f41394a6d7b678a0a3a7_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2324
    • 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:2924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    81KB

    MD5

    c213e321bc732b81a53b35d38e417df2

    SHA1

    e076bc16d66fb333bcc0c8043ef7613deee8a6e8

    SHA256

    889e257538212c43b9443a1e73dfcb3634a5c82bc3e613f5f682b96560b829b9

    SHA512

    65bf5d8f48bdb567e4de135f7fda553a8eaeaea23949491ce97b7043dd1dfae06e0a6b87d255b1b93d813b52be090d83865e2be44e29270f0b01e4e2fad6de4c

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2324-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/2324-1-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB

  • memory/2324-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB

  • memory/2324-3-0x0000000000740000-0x0000000000746000-memory.dmp

    Filesize

    24KB

  • memory/2324-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/2924-19-0x00000000006E0000-0x00000000006E6000-memory.dmp

    Filesize

    24KB

  • memory/2924-25-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB