Resubmissions

06-12-2023 15:44

231206-s6hkmsea7x 10

16-11-2023 20:24

231116-y6snhage4w 10

05-04-2023 06:56

230405-hqtymacc52 10

04-04-2023 08:02

230404-jw4wfsdf69 10

General

  • Target

    ??????????? ??????????????.exe

  • Size

    234KB

  • Sample

    231116-y6snhage4w

  • MD5

    38d378ff52ea3dba53a07eee3ed769c7

  • SHA1

    94181ebcbe353d496701681b6bd03e06c1c63751

  • SHA256

    0791c43de42272d1f5eb20ee67b0ad4194e2bb8f00975aa906605d8cd0c4c6a4

  • SHA512

    ab096595c92f3bca5659b2156e3daed47f70dd8ab3ddff1506ff164a50fa4d15f2503776d43633056ebcb569255295f8f7af53a031f552da1a3f73d017c105cc

  • SSDEEP

    6144:gYa6oBsctoZqfq4S4JV2p9wubvEjRTsObhUXLbPp:gYxcCZqHp2prEVs+C7F

Malware Config

Extracted

Family

azorult

C2

http://141.98.6.162/office/index.php

Targets

    • Target

      ??????????? ??????????????.exe

    • Size

      234KB

    • MD5

      38d378ff52ea3dba53a07eee3ed769c7

    • SHA1

      94181ebcbe353d496701681b6bd03e06c1c63751

    • SHA256

      0791c43de42272d1f5eb20ee67b0ad4194e2bb8f00975aa906605d8cd0c4c6a4

    • SHA512

      ab096595c92f3bca5659b2156e3daed47f70dd8ab3ddff1506ff164a50fa4d15f2503776d43633056ebcb569255295f8f7af53a031f552da1a3f73d017c105cc

    • SSDEEP

      6144:gYa6oBsctoZqfq4S4JV2p9wubvEjRTsObhUXLbPp:gYxcCZqHp2prEVs+C7F

    • Azorult

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

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Checks system information in the registry

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks