Analysis

  • max time kernel
    95s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-05-2024 09:51

General

  • Target

    Doc#12037860003xls.exe

  • Size

    2.4MB

  • MD5

    aef7bf02a3cd2396f2f9d559aa22cf17

  • SHA1

    1ab64380eab38007080667a965f74aff91bf1ef8

  • SHA256

    21e52228ab12f2795a0413d2c07bf1f309bdbf6a85aa8cb1333f5b792163448d

  • SHA512

    ed9302b2a19665b795e67d949dd8002514586525743ba4d0113b1c04319dd52e650f493401409fedc9bd1f3fb7b6be833222980e8022a24e3dd9893e5f2c4a82

  • SSDEEP

    49152:qskSQLcOwKeOqapdyIwusi+vrbHqYgOvjkN2xgPb/vUHe:qFHcOYO3dpSPHqjzNPbn1

Malware Config

Extracted

Family

azorult

C2

http://hqt3.shop/DBL841/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.

  • Loads dropped DLL 4 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 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).

  • 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Doc#12037860003xls.exe
    "C:\Users\Admin\AppData\Local\Temp\Doc#12037860003xls.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\Local\Temp\Doc#12037860003xls.exe
      "C:\Users\Admin\AppData\Local\Temp\Doc#12037860003xls.exe"
      2⤵
      • Checks computer location settings
      • 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:1864
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "Doc#12037860003xls.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:540
        • C:\Windows\SysWOW64\timeout.exe
          C:\Windows\system32\timeout.exe 3
          4⤵
          • Delays execution with timeout.exe
          PID:208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\EE769A78\mozglue.dll

    Filesize

    135KB

    MD5

    9e682f1eb98a9d41468fc3e50f907635

    SHA1

    85e0ceca36f657ddf6547aa0744f0855a27527ee

    SHA256

    830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

    SHA512

    230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

  • C:\Users\Admin\AppData\Local\Temp\EE769A78\msvcp140.dll

    Filesize

    429KB

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • C:\Users\Admin\AppData\Local\Temp\EE769A78\nss3.dll

    Filesize

    1.2MB

    MD5

    556ea09421a0f74d31c4c0a89a70dc23

    SHA1

    f739ba9b548ee64b13eb434a3130406d23f836e3

    SHA256

    f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

    SHA512

    2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

  • C:\Users\Admin\AppData\Local\Temp\EE769A78\vcruntime140.dll

    Filesize

    81KB

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • memory/1716-33-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-1-0x0000000000670000-0x00000000008DE000-memory.dmp

    Filesize

    2.4MB

  • memory/1716-5-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-29-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-41-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-39-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-61-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-67-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-65-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-63-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-57-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-59-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-55-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-53-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-51-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-50-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-47-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-25-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-43-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-35-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-0-0x000000007536E000-0x000000007536F000-memory.dmp

    Filesize

    4KB

  • memory/1716-31-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-37-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-7-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-45-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-24-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-21-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-19-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-15-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-13-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-11-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-18-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-9-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-4890-0x0000000075360000-0x0000000075B10000-memory.dmp

    Filesize

    7.7MB

  • memory/1716-4891-0x00000000056C0000-0x0000000005726000-memory.dmp

    Filesize

    408KB

  • memory/1716-4892-0x0000000005730000-0x000000000577C000-memory.dmp

    Filesize

    304KB

  • memory/1716-4893-0x00000000060A0000-0x0000000006644000-memory.dmp

    Filesize

    5.6MB

  • memory/1716-4894-0x0000000005870000-0x00000000058C4000-memory.dmp

    Filesize

    336KB

  • memory/1716-4901-0x0000000075360000-0x0000000075B10000-memory.dmp

    Filesize

    7.7MB

  • memory/1716-27-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-4-0x0000000005440000-0x0000000005665000-memory.dmp

    Filesize

    2.1MB

  • memory/1716-3-0x0000000075360000-0x0000000075B10000-memory.dmp

    Filesize

    7.7MB

  • memory/1716-2-0x0000000005440000-0x000000000566C000-memory.dmp

    Filesize

    2.2MB

  • memory/1864-4900-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1864-5009-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB