Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

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

General

  • Target

    2024-10-10_c41387792c8090163c959e52acafd5d0_cryptolocker.exe

  • Size

    44KB

  • MD5

    c41387792c8090163c959e52acafd5d0

  • SHA1

    cc6787fe6ea1776eec799f097d6becee1cfdc75a

  • SHA256

    f0608a73fea6c78f7a223446e70bfe0b7f01f14262d9e07b00c9f10185b8a906

  • SHA512

    28087a1362e37d5afe14eee32c9a94adadd61d0e1e31178e9ba4001bf3fe8735b240df6ccaab51d1a24d3048fdf9f5c06f2a30f7ca4771ad610b472ab1b3e148

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0dm:vj+jsMQMOtEvwDpj5HczerLO0I

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\2024-10-10_c41387792c8090163c959e52acafd5d0_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-10_c41387792c8090163c959e52acafd5d0_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1940
    • 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:3688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    45KB

    MD5

    3a68d0a5117cdc15871ff18fb7cca618

    SHA1

    935f11e4e3d22361bc9f6934377e7077c9a1aa66

    SHA256

    03853576bd298d046ce706edd937c5f0b2de4f724f9565945db228c89f002f2a

    SHA512

    989748232bad926be9228c92a0d520545db803ee6fd5c35300cc80c4c510d1d2cd7b5a7f04563306f6964be816ed593562478957092339d94d62aa98dbc255bb

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1940-0-0x00000000007F0000-0x00000000007F6000-memory.dmp

    Filesize

    24KB

  • memory/1940-1-0x00000000007F0000-0x00000000007F6000-memory.dmp

    Filesize

    24KB

  • memory/1940-5-0x0000000000810000-0x0000000000816000-memory.dmp

    Filesize

    24KB

  • memory/3688-17-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/3688-18-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB