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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22/04/2024, 02:37

General

  • Target

    2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe

  • Size

    34KB

  • MD5

    e6a334bbb0b491618ff6765f2991108d

  • SHA1

    138c2334b992f11eb47ab6335c512e5833dc6773

  • SHA256

    62fcf2c46f8fb6dfc304e530316396dda157ef8ee9443b59fff319589ff943df

  • SHA512

    626a799c6091e6032e568f24d863f9b6d5d81ef8aa1fc4e71fc60e6b69b400d72d3341edcc4771ee08d688dd03bfd910d544a8c6f080716d3de1002f064dc2fd

  • SSDEEP

    384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunIVpeNs23mAA6lxd:bA74zYcgT/Ekd0ryfjPIunqpeNswm6d

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • 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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-22_e6a334bbb0b491618ff6765f2991108d_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    34KB

    MD5

    c6e38721cdf5ca03bcbaca82d7f75cf1

    SHA1

    e96e92766e3d6af5e160db7f435ff734ec37d89f

    SHA256

    c719cfefa4452a2a7ea2e9fd87992ea4336800c5b87fd6ef9c08e2809a715f51

    SHA512

    a036ad27c01871705be6459735375d3947636f10e4b3e5746207ea8f50f454cda4854e7f9d0a9871dcb4940cb6f34ece527904fd17011cd42bfa73500de83ffc

  • memory/2452-0-0x0000000000490000-0x0000000000496000-memory.dmp

    Filesize

    24KB

  • memory/2452-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/2452-8-0x0000000000490000-0x0000000000496000-memory.dmp

    Filesize

    24KB