Resubmissions

09-08-2024 17:04

240809-vlrnxstalk 10

09-08-2024 09:10

240809-k41dnsyfjm 10

Analysis

  • max time kernel
    222s
  • max time network
    274s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-08-2024 17:04

General

  • Target

    ACCEPT_014STSY529093.PDF.exe

  • Size

    108KB

  • MD5

    996817a2a2c9afe0a459bd0cc9a68d74

  • SHA1

    23770e473ea88638874473b631602f437a799760

  • SHA256

    a50376b1375f041a534a74ea0cecd6429b4e26747059a4a4c72ef91bb04d7080

  • SHA512

    24a7cdcaf49b9d565da4df977b084f0b94c82f33f1dd80621e649040baa85565aef9cb147036674ec57f3586e3038cdafacbdb6724e61a651c168359deda1df1

  • SSDEEP

    3072:6dS3TaTBi6I/TPDe3R2/8fDvDySHzDed:65i7TSB2abGSH

Malware Config

Extracted

Family

azorult

C2

http://l0h5.shop/CM341/index.php

Signatures

  • Azorult

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Loads dropped DLL 4 IoCs
  • Reads local data of messenger clients 2 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ACCEPT_014STSY529093.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\ACCEPT_014STSY529093.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:5040
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "MSBuild.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:744
        • C:\Windows\SysWOW64\timeout.exe
          C:\Windows\system32\timeout.exe 3
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2728
  • C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1988
    • \??\c:\Windows\System32\SystemSettingsAdminFlows.exe
      systemsettingsadminflows Defender DisableEnhancedNotifications 1
      2⤵
        PID:1468
      • \??\c:\Windows\System32\SystemSettingsAdminFlows.exe
        systemsettingsadminflows Defender SubmitSamplesConsent 0
        2⤵
          PID:4776
        • \??\c:\Windows\System32\SystemSettingsAdminFlows.exe
          systemsettingsadminflows Defender SpynetReporting 0
          2⤵
            PID:5072
          • \??\c:\Windows\System32\SystemSettingsAdminFlows.exe
            systemsettingsadminflows Defender Defender RTP 1
            2⤵
              PID:2648

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\ACF0987B\mozglue.dll

            Filesize

            135KB

            MD5

            9e682f1eb98a9d41468fc3e50f907635

            SHA1

            85e0ceca36f657ddf6547aa0744f0855a27527ee

            SHA256

            830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

            SHA512

            230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

          • C:\Users\Admin\AppData\Local\Temp\ACF0987B\msvcp140.dll

            Filesize

            429KB

            MD5

            109f0f02fd37c84bfc7508d4227d7ed5

            SHA1

            ef7420141bb15ac334d3964082361a460bfdb975

            SHA256

            334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

            SHA512

            46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

          • C:\Users\Admin\AppData\Local\Temp\ACF0987B\nss3.dll

            Filesize

            1.2MB

            MD5

            556ea09421a0f74d31c4c0a89a70dc23

            SHA1

            f739ba9b548ee64b13eb434a3130406d23f836e3

            SHA256

            f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

            SHA512

            2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

          • C:\Users\Admin\AppData\Local\Temp\ACF0987B\vcruntime140.dll

            Filesize

            81KB

            MD5

            7587bf9cb4147022cd5681b015183046

            SHA1

            f2106306a8f6f0da5afb7fc765cfa0757ad5a628

            SHA256

            c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

            SHA512

            0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

          • memory/1544-3-0x0000000001650000-0x000000000165A000-memory.dmp

            Filesize

            40KB

          • memory/1544-8-0x00007FF9FE950000-0x00007FF9FF411000-memory.dmp

            Filesize

            10.8MB

          • memory/1544-1-0x00007FF9FE953000-0x00007FF9FE955000-memory.dmp

            Filesize

            8KB

          • memory/1544-2-0x00007FF9FE950000-0x00007FF9FF411000-memory.dmp

            Filesize

            10.8MB

          • memory/1544-0-0x0000000000D80000-0x0000000000DA0000-memory.dmp

            Filesize

            128KB

          • memory/5040-7-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/5040-9-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/5040-4-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/5040-117-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB