Analysis

  • max time kernel
    151s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06-11-2022 11:12

General

  • Target

    f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe

  • Size

    506KB

  • MD5

    3e3a9dca80a8151f9e7f3e54dc6b2b24

  • SHA1

    1f8d00bedd6b81d57f1d483ad445d36769142c45

  • SHA256

    f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081

  • SHA512

    27d64a9cf90a7b8d56e1608c4bc3ca71572d90b8aca676a69536f9bef0462da7680a92c738f8efd602d81d51af3bb9ebc17dfa51615137a1a394c2fe312d8611

  • SSDEEP

    12288:VJG8DwOR03F3o6pow4d5bSVlh1Cqda/e+SyFO:vG8DEmPbS11CqczO

Malware Config

Signatures

  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

  • ISR Stealer payload 6 IoCs
  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • Nirsoft 3 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 5 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
    "C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
      C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:892
      • C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
        "C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1324
        • C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
          "C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp
          4⤵
            PID:1268
          • C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
            "C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp
            4⤵
              PID:1304
            • C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe
              "C:\Users\Admin\AppData\Local\Temp\f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp
              4⤵
              • Accesses Microsoft Outlook accounts
              PID:1800
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\CertPolEng.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\CertPolEng.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1568
          • C:\Users\Admin\AppData\Local\Temp\panmap.exe
            "C:\Users\Admin\AppData\Local\Temp\panmap.exe"
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1464
            • C:\Users\Admin\AppData\Local\Temp\panmap.exe
              C:\Users\Admin\AppData\Local\Temp\panmap.exe
              4⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:1296
              • C:\Users\Admin\AppData\Local\Temp\panmap.exe
                "C:\Users\Admin\AppData\Local\Temp\panmap.exe"
                5⤵
                • Executes dropped EXE
                PID:1772

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\panmap.exe

        Filesize

        506KB

        MD5

        3e3a9dca80a8151f9e7f3e54dc6b2b24

        SHA1

        1f8d00bedd6b81d57f1d483ad445d36769142c45

        SHA256

        f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081

        SHA512

        27d64a9cf90a7b8d56e1608c4bc3ca71572d90b8aca676a69536f9bef0462da7680a92c738f8efd602d81d51af3bb9ebc17dfa51615137a1a394c2fe312d8611

      • C:\Users\Admin\AppData\Local\Temp\panmap.exe

        Filesize

        506KB

        MD5

        3e3a9dca80a8151f9e7f3e54dc6b2b24

        SHA1

        1f8d00bedd6b81d57f1d483ad445d36769142c45

        SHA256

        f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081

        SHA512

        27d64a9cf90a7b8d56e1608c4bc3ca71572d90b8aca676a69536f9bef0462da7680a92c738f8efd602d81d51af3bb9ebc17dfa51615137a1a394c2fe312d8611

      • C:\Users\Admin\AppData\Local\Temp\panmap.exe

        Filesize

        506KB

        MD5

        3e3a9dca80a8151f9e7f3e54dc6b2b24

        SHA1

        1f8d00bedd6b81d57f1d483ad445d36769142c45

        SHA256

        f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081

        SHA512

        27d64a9cf90a7b8d56e1608c4bc3ca71572d90b8aca676a69536f9bef0462da7680a92c738f8efd602d81d51af3bb9ebc17dfa51615137a1a394c2fe312d8611

      • C:\Users\Admin\AppData\Local\Temp\panmap.exe

        Filesize

        506KB

        MD5

        3e3a9dca80a8151f9e7f3e54dc6b2b24

        SHA1

        1f8d00bedd6b81d57f1d483ad445d36769142c45

        SHA256

        f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081

        SHA512

        27d64a9cf90a7b8d56e1608c4bc3ca71572d90b8aca676a69536f9bef0462da7680a92c738f8efd602d81d51af3bb9ebc17dfa51615137a1a394c2fe312d8611

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\CertPolEng.exe

        Filesize

        5KB

        MD5

        4753c273bf07228289abf257ff74f67b

        SHA1

        b0b052d69fbf87d8b646b228ae2e9a3d6e7c957d

        SHA256

        70d8f49a087a89ebe3a4fa35747f744e97c18fe0baaa6f08b0450f1618dfce35

        SHA512

        fb317067dd0443a284dd7335ab184e9b31345c5d4e8aeb1a8603a6baf477d5dd68ef0c33a9df350074aa4334a9b17d84dac3976c50c1188fbf85590fc0b2b373

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\CertPolEng.exe

        Filesize

        5KB

        MD5

        4753c273bf07228289abf257ff74f67b

        SHA1

        b0b052d69fbf87d8b646b228ae2e9a3d6e7c957d

        SHA256

        70d8f49a087a89ebe3a4fa35747f744e97c18fe0baaa6f08b0450f1618dfce35

        SHA512

        fb317067dd0443a284dd7335ab184e9b31345c5d4e8aeb1a8603a6baf477d5dd68ef0c33a9df350074aa4334a9b17d84dac3976c50c1188fbf85590fc0b2b373

      • \Users\Admin\AppData\Local\Temp\panmap.exe

        Filesize

        506KB

        MD5

        3e3a9dca80a8151f9e7f3e54dc6b2b24

        SHA1

        1f8d00bedd6b81d57f1d483ad445d36769142c45

        SHA256

        f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081

        SHA512

        27d64a9cf90a7b8d56e1608c4bc3ca71572d90b8aca676a69536f9bef0462da7680a92c738f8efd602d81d51af3bb9ebc17dfa51615137a1a394c2fe312d8611

      • \Users\Admin\AppData\Local\Temp\panmap.exe

        Filesize

        506KB

        MD5

        3e3a9dca80a8151f9e7f3e54dc6b2b24

        SHA1

        1f8d00bedd6b81d57f1d483ad445d36769142c45

        SHA256

        f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081

        SHA512

        27d64a9cf90a7b8d56e1608c4bc3ca71572d90b8aca676a69536f9bef0462da7680a92c738f8efd602d81d51af3bb9ebc17dfa51615137a1a394c2fe312d8611

      • \Users\Admin\AppData\Local\Temp\panmap.exe

        Filesize

        506KB

        MD5

        3e3a9dca80a8151f9e7f3e54dc6b2b24

        SHA1

        1f8d00bedd6b81d57f1d483ad445d36769142c45

        SHA256

        f7ef5eaf4e9279f6b6ca74672bbd96c3b52e45259dbaa402c40dc536dcba7081

        SHA512

        27d64a9cf90a7b8d56e1608c4bc3ca71572d90b8aca676a69536f9bef0462da7680a92c738f8efd602d81d51af3bb9ebc17dfa51615137a1a394c2fe312d8611

      • \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\CertPolEng.exe

        Filesize

        5KB

        MD5

        4753c273bf07228289abf257ff74f67b

        SHA1

        b0b052d69fbf87d8b646b228ae2e9a3d6e7c957d

        SHA256

        70d8f49a087a89ebe3a4fa35747f744e97c18fe0baaa6f08b0450f1618dfce35

        SHA512

        fb317067dd0443a284dd7335ab184e9b31345c5d4e8aeb1a8603a6baf477d5dd68ef0c33a9df350074aa4334a9b17d84dac3976c50c1188fbf85590fc0b2b373

      • memory/892-64-0x0000000000400000-0x0000000000470000-memory.dmp

        Filesize

        448KB

      • memory/892-61-0x0000000000400000-0x0000000000470000-memory.dmp

        Filesize

        448KB

      • memory/892-59-0x0000000000400000-0x0000000000470000-memory.dmp

        Filesize

        448KB

      • memory/892-95-0x0000000000401000-0x0000000000414000-memory.dmp

        Filesize

        76KB

      • memory/892-57-0x0000000000400000-0x0000000000470000-memory.dmp

        Filesize

        448KB

      • memory/892-56-0x0000000000400000-0x0000000000470000-memory.dmp

        Filesize

        448KB

      • memory/1324-71-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/1324-68-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/1324-67-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/1324-70-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/1324-84-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/1324-72-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/1324-73-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/1324-79-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/1324-74-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/1324-78-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/1324-76-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/1464-127-0x0000000074840000-0x0000000074DEB000-memory.dmp

        Filesize

        5.7MB

      • memory/1464-103-0x0000000074840000-0x0000000074DEB000-memory.dmp

        Filesize

        5.7MB

      • memory/1568-97-0x0000000074840000-0x0000000074DEB000-memory.dmp

        Filesize

        5.7MB

      • memory/1568-126-0x0000000074840000-0x0000000074DEB000-memory.dmp

        Filesize

        5.7MB

      • memory/1800-89-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/1800-82-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/1800-80-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/1800-124-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/1800-88-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/1800-96-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/1992-55-0x0000000074840000-0x0000000074DEB000-memory.dmp

        Filesize

        5.7MB

      • memory/1992-54-0x0000000076141000-0x0000000076143000-memory.dmp

        Filesize

        8KB

      • memory/1992-125-0x0000000074840000-0x0000000074DEB000-memory.dmp

        Filesize

        5.7MB