Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2024 00:25

General

  • Target

    PYMT SUCESSFUL AVIS CREDIT 12012024.exe

  • Size

    444KB

  • MD5

    9352bb54fb680c197ef32e2ebe10e6a5

  • SHA1

    34745e30c5435a715a7ca3b81f78883f72bfb90f

  • SHA256

    b7ff86b6da28a06ee0de3032320ebb3989eb61467e6d40740cfd082444ed9c06

  • SHA512

    3939aa3e87a1c26073ca69db4f5fbc80611188e3c16f8a39ba98389df5e28cd83d04ffbf8928100bb7edeb3119353ed378310d2626c81033cd04e6a1709cca74

  • SSDEEP

    12288:xiMZHMlRkB3d9eQNjfDypk8D8lK+3pvGxuqTypR6snVWvHSM:xiMZsrkZnHdbyC8olyuqKRnVWL

Malware Config

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
  • 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.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PYMT SUCESSFUL AVIS CREDIT 12012024.exe
    "C:\Users\Admin\AppData\Local\Temp\PYMT SUCESSFUL AVIS CREDIT 12012024.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Users\Admin\AppData\Local\Temp\PYMT SUCESSFUL AVIS CREDIT 12012024.exe
      "C:\Users\Admin\AppData\Local\Temp\PYMT SUCESSFUL AVIS CREDIT 12012024.exe"
      2⤵
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • outlook_office_path
      • outlook_win_path
      PID:652
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 652 -s 1860
        3⤵
        • Program crash
        PID:2276
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 652 -ip 652
    1⤵
      PID:2244

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\E546DF4D\mozglue.dll

      Filesize

      135KB

      MD5

      9e682f1eb98a9d41468fc3e50f907635

      SHA1

      85e0ceca36f657ddf6547aa0744f0855a27527ee

      SHA256

      830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

      SHA512

      230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

    • C:\Users\Admin\AppData\Local\Temp\E546DF4D\msvcp140.dll

      Filesize

      429KB

      MD5

      109f0f02fd37c84bfc7508d4227d7ed5

      SHA1

      ef7420141bb15ac334d3964082361a460bfdb975

      SHA256

      334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

      SHA512

      46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

    • C:\Users\Admin\AppData\Local\Temp\E546DF4D\nss3.dll

      Filesize

      1.2MB

      MD5

      556ea09421a0f74d31c4c0a89a70dc23

      SHA1

      f739ba9b548ee64b13eb434a3130406d23f836e3

      SHA256

      f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

      SHA512

      2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

    • C:\Users\Admin\AppData\Local\Temp\E546DF4D\vcruntime140.dll

      Filesize

      81KB

      MD5

      7587bf9cb4147022cd5681b015183046

      SHA1

      f2106306a8f6f0da5afb7fc765cfa0757ad5a628

      SHA256

      c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

      SHA512

      0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

    • C:\Users\Admin\AppData\Local\Temp\nsn3FD4.tmp\System.dll

      Filesize

      12KB

      MD5

      d968cb2b98b83c03a9f02dd9b8df97dc

      SHA1

      d784c9b7a92dce58a5038beb62a48ff509e166a0

      SHA256

      a4ec98011ef99e595912718c1a1bf1aa67bfc2192575729d42f559d01f67b95c

      SHA512

      2ee41dc68f329a1519a8073ece7d746c9f3bf45d8ef3b915deb376af37e26074134af5f83c8af0fe0ab227f0d1acca9f37e5ca7ae37c46c3bcc0331fe5e2b97e

    • memory/652-20-0x0000000077145000-0x0000000077146000-memory.dmp

      Filesize

      4KB

    • memory/652-22-0x0000000072A90000-0x0000000073CE4000-memory.dmp

      Filesize

      18.3MB

    • memory/652-23-0x0000000000590000-0x0000000005494000-memory.dmp

      Filesize

      79.0MB

    • memory/652-24-0x00000000355D0000-0x00000000355F7000-memory.dmp

      Filesize

      156KB

    • memory/652-25-0x0000000072A90000-0x0000000073CE4000-memory.dmp

      Filesize

      18.3MB

    • memory/652-21-0x0000000072A90000-0x0000000073CE4000-memory.dmp

      Filesize

      18.3MB

    • memory/652-19-0x0000000077128000-0x0000000077129000-memory.dmp

      Filesize

      4KB

    • memory/652-85-0x0000000072A90000-0x0000000073CE4000-memory.dmp

      Filesize

      18.3MB

    • memory/652-86-0x00000000770A1000-0x00000000771C1000-memory.dmp

      Filesize

      1.1MB

    • memory/652-87-0x0000000000590000-0x0000000005494000-memory.dmp

      Filesize

      79.0MB

    • memory/652-88-0x0000000072A90000-0x0000000073CE4000-memory.dmp

      Filesize

      18.3MB

    • memory/1812-18-0x0000000073CF0000-0x0000000073CF7000-memory.dmp

      Filesize

      28KB

    • memory/1812-17-0x00000000770A1000-0x00000000771C1000-memory.dmp

      Filesize

      1.1MB