Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 03:12

General

  • Target

    2024-09-08_ca4019d68f4088dd714e5d03ecbd5f5d_cryptolocker.exe

  • Size

    44KB

  • MD5

    ca4019d68f4088dd714e5d03ecbd5f5d

  • SHA1

    f5ee6b6ca5b5a33b44cc09bce61a114642a2fbee

  • SHA256

    65545389ccb8907242347ad7b084827f236672a054fd0e6d576084ba90ade209

  • SHA512

    7baf33b4064c07d71e121a3e86d358d394ad11e08ca07f960197e072669e6b24a91e6f96cf2b6d3836e687c9e6f883368cc8c0582a00845fd995cf3a9ac8129e

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/CtXabM0XU:6j+1NMOtEvwDpjrR2XabMP

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\2024-09-08_ca4019d68f4088dd714e5d03ecbd5f5d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-08_ca4019d68f4088dd714e5d03ecbd5f5d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3340
    • 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:2216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    44KB

    MD5

    c8c784264c632b00e757880b435ba613

    SHA1

    bae68527e9330913089d2ec0448131bae921c465

    SHA256

    c6c0a036f277a427f1986becb5e27079278de603839721246b15dd935ff9525b

    SHA512

    c9e285d0a92854da2f4788e0aaf3d144d81752cbf95fd82e76b2f3d0834a5a0aa0c18488af4923e4838e1ac9ee1719fb539adf55843793d2256a63460ac0ed3d

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2216-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2216-20-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/2216-21-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2216-49-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3340-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3340-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/3340-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/3340-3-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB

  • memory/3340-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB