Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 10:41

General

  • Target

    2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe

  • Size

    44KB

  • MD5

    097d5683686537687364c3587e1e86ff

  • SHA1

    24c67f5ad7b64c4efd35a6f57c1b62e4d671ff8e

  • SHA256

    16008062b32766b48cb51e0fa00e93ad1e1fab0b97886006d2209698e804ca29

  • SHA512

    a2af7df959c0d3c7a2e38db683d7b68a76ebca13463234f0023bdc693fb222ebd50c9a5d45ef1fa151df9efaf1a02ab59a7d71db907c777310c50fbbcc0321e2

  • SSDEEP

    768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqjrA:bCDOw9aMDooc+vAqj8

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Users\Admin\AppData\Local\Temp\lossy.exe
      "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\lossy.exe

    Filesize

    44KB

    MD5

    9e6fdff683ce7abcd5bc49c9597cc6c5

    SHA1

    b159498e52d9a04bf3263069961cb92210a5e700

    SHA256

    f651bd8465f2319271c860ce4222f632198fb7c35dd34a4f733c558c80a934c0

    SHA512

    3e7979ef6c40dc131c79fdd7d80f96d38236c4d9cc50996a0d84123f92626ef2cfdbcab532e068541a1df044480cecd301da626448abaa2ccc2a91035f5e110e

  • memory/1884-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/1884-2-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB

  • memory/1884-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/1884-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/1884-14-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2988-16-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2988-19-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2988-18-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB

  • memory/2988-26-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB