Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-09-2024 02:35

General

  • Target

    2024-09-15_2a5ae30c0dd1f0a1b1721c75d6dd7c3f_cryptolocker.exe

  • Size

    49KB

  • MD5

    2a5ae30c0dd1f0a1b1721c75d6dd7c3f

  • SHA1

    be116eb70e074bd3d9dcebf95b2c0a2892ddc2fa

  • SHA256

    455a45518914ff2a8bb5726c821fb656279a2a57297187f54d6d88fc1bcb6348

  • SHA512

    07c308dbb4512822ce4557f28ca125c347b1188f2b92ee218505282050853770c6e510e54aad6aec3600268a20eef6e683d0c9938a55cefc0aaa552acd0d541a

  • SSDEEP

    768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPx9UnuDLlD+wj:bIDOw9a0Dwo3P1ojvUSD4PInyD5

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\2024-09-15_2a5ae30c0dd1f0a1b1721c75d6dd7c3f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-15_2a5ae30c0dd1f0a1b1721c75d6dd7c3f_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2796
    • 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:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    972f9437f5efd3bd1c781da7cf8228f5

    SHA1

    2cd464f3c3085e603bb29ab31283b85c0577c98b

    SHA256

    928926adeb3a92b7b7e2c1776519bc92bc81614162995088d2d3d6df533ac58c

    SHA512

    736db47d0ea2052372f633fcf05b88b7524b4200ac869ed4f0e3921c70b271d369b5467e34cacf3036cd061c37f61bb9d5126f0a4e72a19bb90399e219fdd639

  • memory/2748-15-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2796-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2796-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

    Filesize

    24KB

  • memory/2796-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB