Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 05:34

General

  • Target

    2024-09-19_d5efe0d35458f5567c14c3b532cd6cf7_cryptolocker.exe

  • Size

    43KB

  • MD5

    d5efe0d35458f5567c14c3b532cd6cf7

  • SHA1

    ca1d33c28740b4a03e07bcf4a74ad6b3c12a84e5

  • SHA256

    3cea3d8df8873edbece5d125f7785976ae36b0326e632b79c53d5b69f084415b

  • SHA512

    a6c43658498e279f145c90475f661e453138272837cdd556fc163b1c1024926f41cff8ee45fa2d8bab490be1d1f82b1a88aef788c54936f42594ac068b5ad324

  • 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\2024-09-19_d5efe0d35458f5567c14c3b532cd6cf7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_d5efe0d35458f5567c14c3b532cd6cf7_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1328
    • 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:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    0269364e8d8126e75d11d21adb190b0f

    SHA1

    568181a63d99f7029a882e0322a2c7845af1f467

    SHA256

    a8b81fdd1cbfb958fb8e57953b7dd179a69d4dbc182d1d9cb2524d26348a3608

    SHA512

    8929f6a2d155679a12a007868b3ed345626791fd9b5ff3e5ca928d2ba5d4cf923ad52d2b6fbf0e27087b67a70ec47a494c490fae6267766a00f1a7c402f98618

  • memory/1328-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/1328-1-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1328-9-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1328-2-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/1328-14-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2852-18-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB

  • memory/2852-17-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2852-25-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB