Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-09-2024 02:44

General

  • Target

    2024-09-13_8d0fa4bd663de56f9d1b42bf21c9544a_cryptolocker.exe

  • Size

    43KB

  • MD5

    8d0fa4bd663de56f9d1b42bf21c9544a

  • SHA1

    34a88b8e582d3f97f3987eee0b38bf14e00782b7

  • SHA256

    4854c6d52db692a643eeb2a2858e03865ed26eb5a2c6f751b85b0b3b3e5cc680

  • SHA512

    d0e8e9bd13577f4e4423a1dfc52c881449b94af61fdea610f23381eca42eb529dd208af7671b6922089ebb78308b7d308346b62d016ffeaa72414870d70d2dd8

  • SSDEEP

    768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqjrd:bCDOw9aMDooc+vAqjB

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\2024-09-13_8d0fa4bd663de56f9d1b42bf21c9544a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-13_8d0fa4bd663de56f9d1b42bf21c9544a_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:664
    • 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:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    6e821a7760f2a0c30765364bc8e0592a

    SHA1

    962928be279f4b0fdf72e726762d77e4ecfc32d5

    SHA256

    a6b0205a59696c8099c91e835b067a4aa411bd7f0e62bd3d41a76adddc785cff

    SHA512

    229b1c7725cf4b3a48ba3cf540ee365c0ec25ca083b28e77d50d3fc6ab4feb7d1bb57d02cc445f96baa73481deca9f1a0ce511a98cc775d13d295b837c06aa38

  • memory/664-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/664-2-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/664-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/664-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/664-15-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2740-16-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2740-18-0x00000000002E0000-0x00000000002E6000-memory.dmp

    Filesize

    24KB

  • memory/2740-25-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2740-26-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB