Analysis

  • max time kernel
    104s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2023, 08:26

General

  • Target
    open2023-04-1810-54.exe
  • Size 352KB
  • Sample230418-kbvbyscb5y
  • SHA256 efce89f65bb53604b0644ff4949e0772116ac49778971dba3c6d80cd53fb2403
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • azorult

C2
  • http://45.88.66.207/purelog/Panel/index.php

Signatures

  • Azorult

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

  • Loads dropped DLL 5 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • 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 Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Program crash 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\open2023-04-1810-54.exe
    "C:\Users\Admin\AppData\Local\Temp\open2023-04-1810-54.exe"
    1⤵
    • Loads dropped DLL
    • Accesses Microsoft Outlook profiles
    • outlook_office_path
    • outlook_win_path
    PID:384
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 1436
      2⤵
      • Program crash
      PID:4460
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 384 -ip 384
    1⤵
      PID:3340

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          mozglue.dll

          • Path C:\Users\Admin\AppData\Local\Temp\2fda\mozglue.dll
          • Size 135KB
          • SHA256 830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
          • MD5 SHA1 SHA512 SSDEEP

          msvcp140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\2fda\msvcp140.dll
          • Size 429KB
          • SHA256 334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
          • MD5 SHA1 SHA512 SSDEEP

          nss3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\2fda\nss3.dll
          • Size 1.2MB
          • SHA256 f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
          • MD5 SHA1 SHA512 SSDEEP

          vcruntime140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\2fda\vcruntime140.dll
          • Size 81KB
          • SHA256 c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
          • MD5 SHA1 SHA512 SSDEEP

          vcruntime140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\2fda\vcruntime140.dll
          • Size 81KB
          • SHA256 c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
          • MD5 SHA1 SHA512 SSDEEP

          memory/384-134-0x0000000002530000-0x000000000254E000-memory.dmp

          memory/384-203-0x0000000000400000-0x00000000007FD000-memory.dmp