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Analysis

  • max time kernel
    150s
  • max time network
    178s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 11:11

General

  • Target

    19d1d56adede8ee4ce5280ad55f49e08.exe

  • Size

    4.2MB

  • MD5

    19d1d56adede8ee4ce5280ad55f49e08

  • SHA1

    4cef5bd9a3d360f02c8d75a2fe89523b43b29f4f

  • SHA256

    6afa48f9297d2cad590bfb3ac58cbd8337e9ece284fa387fbce658551fa588c5

  • SHA512

    765a8666908e4aa445d96f7a365f070b574e68b57e6e3b2c21aca70178193307f37d3193721c3a7517b1068e5602553dcf84ea68640f2171ea95ec002e164caf

  • SSDEEP

    24576:Qaf8wY3ebaG0cmKcQJxltGzmdngB8OuyruoHlIZWLJtHZoJCsEr4dS:QaKOwcowT/omyJtHZoJCsU

Malware Config

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • Nirsoft 23 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 40 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses Microsoft Outlook accounts 1 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\19d1d56adede8ee4ce5280ad55f49e08.exe
    "C:\Users\Admin\AppData\Local\Temp\19d1d56adede8ee4ce5280ad55f49e08.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Local\Temp\19d1d56adede8ee4ce5280ad55f49e08.exe
      "C:\Users\Admin\AppData\Local\Temp\19d1d56adede8ee4ce5280ad55f49e08.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2388
      • C:\Users\Admin\AppData\Local\Temp\19d1d56adede8ee4ce5280ad55f49e08.exe
        /stext "C:\Users\Admin\AppData\Local\Temp\offc.dat"
        3⤵
          PID:3024
        • C:\Users\Admin\AppData\Local\Temp\19d1d56adede8ee4ce5280ad55f49e08.exe
          /stext "C:\Users\Admin\AppData\Local\Temp\mess.dat"
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2232
        • C:\Users\Admin\AppData\Local\Temp\19d1d56adede8ee4ce5280ad55f49e08.exe
          /stext "C:\Users\Admin\AppData\Local\Temp\mail.dat"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:2604
        • C:\Users\Admin\AppData\Local\Temp\19d1d56adede8ee4ce5280ad55f49e08.exe
          /stext "C:\Users\Admin\AppData\Local\Temp\dial.dat"
          3⤵
            PID:2596
          • C:\Users\Admin\AppData\Local\Temp\19d1d56adede8ee4ce5280ad55f49e08.exe
            /stext "C:\Users\Admin\AppData\Local\Temp\chro.dat"
            3⤵
              PID:1724
            • C:\Users\Admin\AppData\Local\Temp\19d1d56adede8ee4ce5280ad55f49e08.exe
              /stext "C:\Users\Admin\AppData\Local\Temp\iexp.dat"
              3⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2228
            • C:\Users\Admin\AppData\Local\Temp\19d1d56adede8ee4ce5280ad55f49e08.exe
              /stext "C:\Users\Admin\AppData\Local\Temp\ptsg.dat"
              3⤵
                PID:548
              • C:\Users\Admin\AppData\Local\Temp\19d1d56adede8ee4ce5280ad55f49e08.exe
                /stext "C:\Users\Admin\AppData\Local\Temp\ffox.dat"
                3⤵
                  PID:988

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\dial.dat

              Filesize

              2B

              MD5

              f3b25701fe362ec84616a93a45ce9998

              SHA1

              d62636d8caec13f04e28442a0a6fa1afeb024bbb

              SHA256

              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

              SHA512

              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

            • C:\Users\Admin\AppData\Local\Temp\offc.dat

              Filesize

              1KB

              MD5

              50658aba8cd14b2d778afa9076f198be

              SHA1

              cb08d884e94986c7ccb381d5feb36b54509a13f4

              SHA256

              22a372d142251b8856672a9083b9c80d1892ae87b5fa225c920ba92989ff4d96

              SHA512

              5c68dd75876c7d69f5231acbb2d97cce6f22f713b75686a248405446e77af103d03e808db618733717ea55bf87d01f12ca7efebddc1a4c7f8652ad95a4e4a937

            • memory/548-76-0x0000000000400000-0x0000000000410000-memory.dmp

              Filesize

              64KB

            • memory/548-73-0x0000000000400000-0x0000000000410000-memory.dmp

              Filesize

              64KB

            • memory/548-74-0x0000000000400000-0x0000000000410000-memory.dmp

              Filesize

              64KB

            • memory/548-71-0x0000000000400000-0x0000000000410000-memory.dmp

              Filesize

              64KB

            • memory/988-80-0x0000000000400000-0x0000000000419000-memory.dmp

              Filesize

              100KB

            • memory/988-83-0x0000000000400000-0x0000000000419000-memory.dmp

              Filesize

              100KB

            • memory/988-79-0x0000000000400000-0x0000000000419000-memory.dmp

              Filesize

              100KB

            • memory/988-77-0x0000000000400000-0x0000000000419000-memory.dmp

              Filesize

              100KB

            • memory/1724-62-0x0000000000400000-0x000000000043E000-memory.dmp

              Filesize

              248KB

            • memory/1724-61-0x0000000000400000-0x000000000043E000-memory.dmp

              Filesize

              248KB

            • memory/1724-56-0x0000000000400000-0x000000000043E000-memory.dmp

              Filesize

              248KB

            • memory/1724-59-0x0000000000400000-0x000000000043E000-memory.dmp

              Filesize

              248KB

            • memory/1724-58-0x0000000000400000-0x000000000043E000-memory.dmp

              Filesize

              248KB

            • memory/2228-67-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2228-64-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2228-66-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2228-68-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2228-70-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/2232-31-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/2232-33-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/2232-35-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/2232-34-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/2232-37-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/2288-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

              Filesize

              4KB

            • memory/2288-2-0x0000000000400000-0x0000000000838000-memory.dmp

              Filesize

              4.2MB

            • memory/2288-1-0x0000000000400000-0x0000000000838000-memory.dmp

              Filesize

              4.2MB

            • memory/2388-18-0x0000000000400000-0x00000000005E7000-memory.dmp

              Filesize

              1.9MB

            • memory/2388-14-0x0000000000400000-0x00000000005E7000-memory.dmp

              Filesize

              1.9MB

            • memory/2388-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/2388-5-0x0000000000400000-0x00000000005E7000-memory.dmp

              Filesize

              1.9MB

            • memory/2388-8-0x0000000000400000-0x00000000005E7000-memory.dmp

              Filesize

              1.9MB

            • memory/2388-10-0x0000000000400000-0x00000000005E7000-memory.dmp

              Filesize

              1.9MB

            • memory/2388-44-0x0000000000400000-0x00000000005E7000-memory.dmp

              Filesize

              1.9MB

            • memory/2388-85-0x0000000000400000-0x00000000005E7000-memory.dmp

              Filesize

              1.9MB

            • memory/2388-16-0x0000000000400000-0x00000000005E7000-memory.dmp

              Filesize

              1.9MB

            • memory/2388-15-0x0000000000400000-0x00000000005E7000-memory.dmp

              Filesize

              1.9MB

            • memory/2596-47-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2596-54-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2596-51-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2596-50-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2596-49-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/2604-42-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

            • memory/2604-46-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

            • memory/2604-43-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

            • memory/2604-40-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

            • memory/2604-38-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

            • memory/3024-27-0x0000000000420000-0x00000000004FF000-memory.dmp

              Filesize

              892KB

            • memory/3024-28-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3024-23-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3024-24-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3024-25-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3024-21-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB