Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/05/2024, 04:08

General

  • Target

    2024-05-24_e0b189504adb6ff58449ad403933ad6e_cryptolocker.exe

  • Size

    38KB

  • MD5

    e0b189504adb6ff58449ad403933ad6e

  • SHA1

    7a261b6edd71a20ea7b92ac44e88b8d80d712b57

  • SHA256

    c272c84a81cfd3a1e0128f87a5d8170f8b6cf53ad29a4bb033e455bcfd98b8d6

  • SHA512

    bfc2bf0e4980eb3a370a693a40a037064ea70c02917dc91fd049decb76a7d94957191b2603a075585ab744b1b60375abc328534a28ef1dc6eeb84567dabbfe9e

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4Zx:fT+hsMQMOtEvwDpjoIHZx

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • 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).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-24_e0b189504adb6ff58449ad403933ad6e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-24_e0b189504adb6ff58449ad403933ad6e_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3796
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:2292

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          38KB

          MD5

          5328875efaf1b08c3cde24e88c23950a

          SHA1

          2ba6adf51fb0576058dff5de7f54fa566a99f74b

          SHA256

          c1cfff8853c937d3fd7cce0b628381133530b0fb02b22d697ac307c3e4ae4cb6

          SHA512

          f6d4bee18731d2d8f1ecc09391e32e57097c9bbf4d0c67a0008300022f989cc1cea32dcbe27b2ba3ff6a0ea85ecfa07f7f90cc780e10a92dcb394d713b69778a

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/2292-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB

        • memory/2292-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/3796-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/3796-1-0x00000000006C0000-0x00000000006C6000-memory.dmp

          Filesize

          24KB

        • memory/3796-8-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB