Analysis

  • max time kernel
    50s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 17:33

General

  • Target

    95d28cd67ac78a54a33162eb6277b51084ce28434c07ddd8e62481d0f9bdba3f.exe

  • Size

    534KB

  • MD5

    1d8193f2ddeabce1a37c270b6c561ecd

  • SHA1

    31bdbb6210d755425ddd9bfbce757edad8d494f0

  • SHA256

    95d28cd67ac78a54a33162eb6277b51084ce28434c07ddd8e62481d0f9bdba3f

  • SHA512

    64974f15ea4f78a3ceda3723546543af62f33098e3a18aaaa6033e34c2fe987ffbb68d4a45024ba21437fdc4b1d0a3ae6c6bf3bbd659fef32f19f45491a3116e

  • SSDEEP

    12288:SgkOpDs54zozokE5d6/coc8aouCYrdh8jwjT9TcdLHIisF:JDpg2ozodQko7KfLjZgdLHts

Malware Config

Signatures

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • Nirsoft 9 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95d28cd67ac78a54a33162eb6277b51084ce28434c07ddd8e62481d0f9bdba3f.exe
    "C:\Users\Admin\AppData\Local\Temp\95d28cd67ac78a54a33162eb6277b51084ce28434c07ddd8e62481d0f9bdba3f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\95d28cd67ac78a54a33162eb6277b51084ce28434c07ddd8e62481d0f9bdba3f.exe
      "C:\Users\Admin\AppData\Local\Temp\95d28cd67ac78a54a33162eb6277b51084ce28434c07ddd8e62481d0f9bdba3f.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:552
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\logff.txt
        3⤵
          PID:1976
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 1596
          3⤵
            PID:904
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\logmail.txt
            3⤵
            • Accesses Microsoft Outlook accounts
            PID:1040

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\logff.txt

        Filesize

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • memory/552-70-0x0000000074980000-0x0000000074F2B000-memory.dmp

        Filesize

        5.7MB

      • memory/552-103-0x0000000074980000-0x0000000074F2B000-memory.dmp

        Filesize

        5.7MB

      • memory/552-57-0x0000000000400000-0x0000000000476000-memory.dmp

        Filesize

        472KB

      • memory/552-58-0x0000000000400000-0x0000000000476000-memory.dmp

        Filesize

        472KB

      • memory/552-60-0x0000000000400000-0x0000000000476000-memory.dmp

        Filesize

        472KB

      • memory/552-61-0x0000000000400000-0x0000000000476000-memory.dmp

        Filesize

        472KB

      • memory/552-62-0x0000000000400000-0x0000000000476000-memory.dmp

        Filesize

        472KB

      • memory/552-63-0x000000000047058E-mapping.dmp

      • memory/552-65-0x0000000000400000-0x0000000000476000-memory.dmp

        Filesize

        472KB

      • memory/552-67-0x0000000000400000-0x0000000000476000-memory.dmp

        Filesize

        472KB

      • memory/904-85-0x0000000000000000-mapping.dmp

      • memory/1040-88-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1040-89-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1040-102-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1040-101-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1040-100-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1040-97-0x0000000000411654-mapping.dmp

      • memory/1040-96-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1040-94-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1040-93-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1040-91-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1712-56-0x0000000074990000-0x0000000074F3B000-memory.dmp

        Filesize

        5.7MB

      • memory/1712-54-0x00000000765B1000-0x00000000765B3000-memory.dmp

        Filesize

        8KB

      • memory/1712-68-0x0000000074990000-0x0000000074F3B000-memory.dmp

        Filesize

        5.7MB

      • memory/1712-55-0x0000000074990000-0x0000000074F3B000-memory.dmp

        Filesize

        5.7MB

      • memory/1976-71-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1976-84-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1976-83-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1976-80-0x000000000040E758-mapping.dmp

      • memory/1976-79-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1976-77-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1976-76-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1976-74-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1976-72-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB