Analysis

  • max time kernel
    37s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    31-10-2020 06:01

General

  • Target

    4a126dd572e4e9683ee2c10df9415488da67ba17fb5319082af4f89ae8224a5f.exe

  • Size

    490KB

  • MD5

    319a790ffd7c286a2ed494469ddd1357

  • SHA1

    b3fed42bd70250510cc66a323c944ecd5f2169d1

  • SHA256

    4a126dd572e4e9683ee2c10df9415488da67ba17fb5319082af4f89ae8224a5f

  • SHA512

    f40bb83323889ac1929c487575d3bec63d60b41f33f90ea928902acfdf6f7635e014712528394f4a81a08a7e7d40a27dba30a8b532ab3fed004047ff421f71cc

Malware Config

Extracted

Family

azorult

C2

http://ciuj.ir/donpy/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Loads dropped DLL 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • JavaScript code in executable 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a126dd572e4e9683ee2c10df9415488da67ba17fb5319082af4f89ae8224a5f.exe
    "C:\Users\Admin\AppData\Local\Temp\4a126dd572e4e9683ee2c10df9415488da67ba17fb5319082af4f89ae8224a5f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Users\Admin\AppData\Local\Temp\4a126dd572e4e9683ee2c10df9415488da67ba17fb5319082af4f89ae8224a5f.exe
      "C:\Users\Admin\AppData\Local\Temp\4a126dd572e4e9683ee2c10df9415488da67ba17fb5319082af4f89ae8224a5f.exe"
      2⤵
        PID:3904
      • C:\Users\Admin\AppData\Local\Temp\4a126dd572e4e9683ee2c10df9415488da67ba17fb5319082af4f89ae8224a5f.exe
        "C:\Users\Admin\AppData\Local\Temp\4a126dd572e4e9683ee2c10df9415488da67ba17fb5319082af4f89ae8224a5f.exe"
        2⤵
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:3912

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\CE87CE80\mozglue.dll

      MD5

      9e682f1eb98a9d41468fc3e50f907635

      SHA1

      85e0ceca36f657ddf6547aa0744f0855a27527ee

      SHA256

      830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

      SHA512

      230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

    • \Users\Admin\AppData\Local\Temp\CE87CE80\msvcp140.dll

      MD5

      109f0f02fd37c84bfc7508d4227d7ed5

      SHA1

      ef7420141bb15ac334d3964082361a460bfdb975

      SHA256

      334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

      SHA512

      46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

    • \Users\Admin\AppData\Local\Temp\CE87CE80\nss3.dll

      MD5

      556ea09421a0f74d31c4c0a89a70dc23

      SHA1

      f739ba9b548ee64b13eb434a3130406d23f836e3

      SHA256

      f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

      SHA512

      2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

    • \Users\Admin\AppData\Local\Temp\CE87CE80\vcruntime140.dll

      MD5

      7587bf9cb4147022cd5681b015183046

      SHA1

      f2106306a8f6f0da5afb7fc765cfa0757ad5a628

      SHA256

      c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

      SHA512

      0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

    • memory/3912-6-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/3912-7-0x000000000041A684-mapping.dmp

    • memory/3912-8-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/4704-0-0x0000000073530000-0x0000000073C1E000-memory.dmp

      Filesize

      6.9MB

    • memory/4704-1-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

      Filesize

      4KB

    • memory/4704-3-0x0000000005680000-0x00000000056C9000-memory.dmp

      Filesize

      292KB

    • memory/4704-4-0x0000000005DE0000-0x0000000005DE1000-memory.dmp

      Filesize

      4KB

    • memory/4704-5-0x0000000005740000-0x0000000005756000-memory.dmp

      Filesize

      88KB