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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2024, 16:08

General

  • Target

    2024-07-09_651d7908c7b6e2ecf862d0ac6287194a_cryptolocker.exe

  • Size

    47KB

  • MD5

    651d7908c7b6e2ecf862d0ac6287194a

  • SHA1

    c9e4b9dcb12f6a3f707ded0fe1445a143587ce7c

  • SHA256

    0b0677f1ce69f06e779729eea1b795ff3ae69000fad84339f0208d801cd9ec98

  • SHA512

    94b58e140495a632ccc322553337cc4aabce5ea8e4d9c88e3a0b2fae245651336fb0c419149950f7b2794f5b36f3cb5ebac3b07665aa131fcb86d1e8445c1cad

  • SSDEEP

    768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zrD:y6QFElP6n+gMQMOtEvwDpjbizbR9Xwz/

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-09_651d7908c7b6e2ecf862d0ac6287194a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-09_651d7908c7b6e2ecf862d0ac6287194a_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3124
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:4772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    8f0b23ce337a122f6db1ce82551ed859

    SHA1

    b22756123c3507033b38a118d6c46cdab001bce5

    SHA256

    c488def836e376aaa056e24c7b4419c9c471d01fbc87a96c2ebcc7ca5da675dd

    SHA512

    3de4171997df17b8bebfb13257b4fcc56e76dc77b9c7cad4cbcf9a8160869b8679864f2e16586e288ed07f4b8d416b202721c0a9e39afa9f3dd54cb3645cad20

  • memory/3124-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/3124-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/3124-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4772-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/4772-23-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB