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Analysis

  • max time kernel
    132s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    29/08/2024, 08:18

General

  • Target

    2024-08-29_a36d9449b4f9fd54e59bd6e364dbd49b_cryptolocker.exe

  • Size

    47KB

  • MD5

    a36d9449b4f9fd54e59bd6e364dbd49b

  • SHA1

    e1deb1bb844b1f1d74f9c4b982e4c207d1cca83b

  • SHA256

    54374166e7e114974176cba2c33973ef1bbea829a405bdba07aee5dedf0420ca

  • SHA512

    df6658b87dd3bc59de7d2efbaa5bc582acc512275d3716528c8c0fd1ddb4026a2de8da737f4546d0721d7d60e1a2aafce3128880e093012bb2ea7238fe08b23e

  • SSDEEP

    768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zr2:y6QFElP6n+gMQMOtEvwDpjbizbR9Xwzy

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\2024-08-29_a36d9449b4f9fd54e59bd6e364dbd49b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-29_a36d9449b4f9fd54e59bd6e364dbd49b_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:300
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    28dfa07af3838e50a4ff80aa39a7c691

    SHA1

    0f93ef785516d267f9f3b0a700b277d3c25cc8e9

    SHA256

    b05ba1a96eb855b74a5262011cce4d76a422c49929fecb81389049842a5b30ad

    SHA512

    9dcecbf13aec6e02e4e2e13302586aa47df28b5787b3ac7f7c030426ce2d0e87a8ad12f46af81ac65c956ecb2b5d4706f0005e146281dd37d699655eb18691c1

  • memory/300-1-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/300-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/300-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2040-15-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2040-22-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB