Resubmissions

19/03/2025, 20:13

250319-yzdk1a1yew 10

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

Analysis

  • max time kernel
    91s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/04/2023, 06:56

General

  • Target

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

  • Size

    234KB

  • 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

Signatures

  • Azorult

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • 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 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
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\___________ ______________.exe
    "C:\Users\Admin\AppData\Local\Temp\___________ ______________.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4680
    • C:\Users\Admin\AppData\Local\Temp\jjhluxw.exe
      "C:\Users\Admin\AppData\Local\Temp\jjhluxw.exe" C:\Users\Admin\AppData\Local\Temp\izwmcwjt.yhc
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2396
      • C:\Users\Admin\AppData\Local\Temp\jjhluxw.exe
        "C:\Users\Admin\AppData\Local\Temp\jjhluxw.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:2660
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "jjhluxw.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1556
          • C:\Windows\SysWOW64\timeout.exe
            C:\Windows\system32\timeout.exe 3
            5⤵
            • Delays execution with timeout.exe
            PID:2172

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\B2503312\mozglue.dll

    Filesize

    135KB

    MD5

    9e682f1eb98a9d41468fc3e50f907635

    SHA1

    85e0ceca36f657ddf6547aa0744f0855a27527ee

    SHA256

    830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

    SHA512

    230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

  • C:\Users\Admin\AppData\Local\Temp\B2503312\msvcp140.dll

    Filesize

    429KB

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • C:\Users\Admin\AppData\Local\Temp\B2503312\nss3.dll

    Filesize

    1.2MB

    MD5

    556ea09421a0f74d31c4c0a89a70dc23

    SHA1

    f739ba9b548ee64b13eb434a3130406d23f836e3

    SHA256

    f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

    SHA512

    2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

  • C:\Users\Admin\AppData\Local\Temp\B2503312\vcruntime140.dll

    Filesize

    81KB

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • C:\Users\Admin\AppData\Local\Temp\izwmcwjt.yhc

    Filesize

    6KB

    MD5

    19e06b8c8c60c69e11228b250568400a

    SHA1

    7c49e0aca8637c2adf258f98b1e7e45bcefaef53

    SHA256

    fb8e5832ac5a98dd0ab1030628a559627279ae256593510b0fbc6da2a43f2ad8

    SHA512

    e67eaebb28cab7784446cc3fbbdfb8fa3c4229225e4abdff26091a65f8adf8a912414a0bedd4b0458594776814c14f0f9cf9f18c71e3d3a75bef70b2056a389c

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

    Filesize

    108KB

    MD5

    5f16ae72eb6fbd3040d5d3c18c5ac304

    SHA1

    4e1604b5e763aa9f336996c75cb3e8436f16850f

    SHA256

    3b22459608be3d78066a25fdf807f6628de79c01799cd5e03095c2ae996bca16

    SHA512

    7ca61d0f536638094b67f8c7b12ab5ff4d234299f2365ab9cd7de78bd1d257195b6c112039761e2620a597a65d59cfd856790db075bef6d69afdaeb35d49286d

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

    Filesize

    108KB

    MD5

    5f16ae72eb6fbd3040d5d3c18c5ac304

    SHA1

    4e1604b5e763aa9f336996c75cb3e8436f16850f

    SHA256

    3b22459608be3d78066a25fdf807f6628de79c01799cd5e03095c2ae996bca16

    SHA512

    7ca61d0f536638094b67f8c7b12ab5ff4d234299f2365ab9cd7de78bd1d257195b6c112039761e2620a597a65d59cfd856790db075bef6d69afdaeb35d49286d

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

    Filesize

    108KB

    MD5

    5f16ae72eb6fbd3040d5d3c18c5ac304

    SHA1

    4e1604b5e763aa9f336996c75cb3e8436f16850f

    SHA256

    3b22459608be3d78066a25fdf807f6628de79c01799cd5e03095c2ae996bca16

    SHA512

    7ca61d0f536638094b67f8c7b12ab5ff4d234299f2365ab9cd7de78bd1d257195b6c112039761e2620a597a65d59cfd856790db075bef6d69afdaeb35d49286d

  • C:\Users\Admin\AppData\Local\Temp\kvgovin.j

    Filesize

    132KB

    MD5

    f495dbd405842d0cee36e9ff9d3be29e

    SHA1

    35e5f6e880f2069a94d7cfa8847040fb1bb0c8e9

    SHA256

    aa7ec70ab30285dcd735aa0c1feb12729c10198a4eb2ebcce50e3a1afca58da4

    SHA512

    44fd0a274c612094c150be66d4ab447d474f81900388fc8b1dbc9828a195bc43a05f6337132a1438612a6f329cc99880dba3c6eb997755e02713d877cc675e8c

  • memory/2660-146-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2660-144-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2660-141-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2660-263-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB