Analysis

  • max time kernel
    80s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2022 18:05

General

  • Target

    c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe

  • Size

    1.1MB

  • MD5

    021a13774b99f177e1d116f35d66d072

  • SHA1

    7e595ccf9a3065716fb6f823c671f5b02f51ec9f

  • SHA256

    c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263

  • SHA512

    95740c50b706467585d1aac1d77cc4500b06ccb246ea70732832ac1b662f74f2c26b144ca31a7669274baa5cf86ec2be459be33292b046b93bca1bcf229f8d67

  • SSDEEP

    24576:i9tPcyQIwPactceMZ+uzHEtb4dVSI/xSEOTfVi:iHPcy3wPaWceMou7Et8VSI/U9di

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • NirSoft MailPassView 11 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 16 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Looks up external IP address via web service 3 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe
    "C:\Users\Admin\AppData\Local\Temp\c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\\mata.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:896
      • C:\Windows\SysWOW64\wscript.exe
        wscript.exe "C:\Users\Admin\AppData\Local\Temp\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\mata2.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1532
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\mata2.bat" "
          4⤵
            PID:1916
      • C:\Users\Admin\AppData\Local\Temp\notepad .exe
        "C:\Users\Admin\AppData\Local\Temp\notepad .exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:936
        • 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\holdermail.txt"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:964
        • 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\holderwb.txt"
          3⤵
            PID:1620

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.1MB

        MD5

        021a13774b99f177e1d116f35d66d072

        SHA1

        7e595ccf9a3065716fb6f823c671f5b02f51ec9f

        SHA256

        c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263

        SHA512

        95740c50b706467585d1aac1d77cc4500b06ccb246ea70732832ac1b662f74f2c26b144ca31a7669274baa5cf86ec2be459be33292b046b93bca1bcf229f8d67

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

        Filesize

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • C:\Users\Admin\AppData\Local\Temp\invs.vbs

        Filesize

        78B

        MD5

        c578d9653b22800c3eb6b6a51219bbb8

        SHA1

        a97aa251901bbe179a48dbc7a0c1872e163b1f2d

        SHA256

        20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

        SHA512

        3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

      • C:\Users\Admin\AppData\Local\Temp\mata.bat

        Filesize

        47B

        MD5

        58c538a6ae20a3c6031217903cdf8e5d

        SHA1

        399fd50eadf4945b665877facfc4f53d16e18b1e

        SHA256

        6bcc0e04d9bc32209d90a65c320dc6363e523dd94b38b17bcdc5b980b6405f53

        SHA512

        c01828a5390fec3443e19d317137ae873de77c7737db7802650430e6a0a1edbd3aabe362903243b372536418fbd8482c2a6efd122d853744a41ade567956c359

      • C:\Users\Admin\AppData\Local\Temp\mata2.bat

        Filesize

        47B

        MD5

        095b2908ae8b2e0e3704c0163f26e283

        SHA1

        3429b6c1421d448c98c1da9625badcea2484a521

        SHA256

        22b182644ab28f5e9e17b5a03ba404d09b02da367146b80484584adc842a3ed1

        SHA512

        e22e379b4f0d8e11fa7c29c3297a3e24a533fb08895d18e9bb27e8cab84da1dd52ff437aca90c5c32a9bdb578b3c1bfb3ff42d3bc2c5951ffeb5941c8286c731

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

        Filesize

        52KB

        MD5

        278edbd499374bf73621f8c1f969d894

        SHA1

        a81170af14747781c5f5f51bb1215893136f0bc0

        SHA256

        c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

        SHA512

        93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

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

        Filesize

        52KB

        MD5

        278edbd499374bf73621f8c1f969d894

        SHA1

        a81170af14747781c5f5f51bb1215893136f0bc0

        SHA256

        c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

        SHA512

        93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

      • C:\Users\Admin\AppData\Local\Temp\rundll11-.txt

        Filesize

        1.1MB

        MD5

        021a13774b99f177e1d116f35d66d072

        SHA1

        7e595ccf9a3065716fb6f823c671f5b02f51ec9f

        SHA256

        c0cc50c884527db81553e24c3e2c8a288746aba2de5c608229f8915600635263

        SHA512

        95740c50b706467585d1aac1d77cc4500b06ccb246ea70732832ac1b662f74f2c26b144ca31a7669274baa5cf86ec2be459be33292b046b93bca1bcf229f8d67

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

        Filesize

        52KB

        MD5

        278edbd499374bf73621f8c1f969d894

        SHA1

        a81170af14747781c5f5f51bb1215893136f0bc0

        SHA256

        c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

        SHA512

        93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

      • memory/896-56-0x0000000000000000-mapping.dmp

      • memory/936-59-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/936-63-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/936-81-0x0000000074840000-0x0000000074DEB000-memory.dmp

        Filesize

        5.7MB

      • memory/936-62-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/936-80-0x0000000074840000-0x0000000074DEB000-memory.dmp

        Filesize

        5.7MB

      • memory/936-71-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/936-72-0x000000000047EA0E-mapping.dmp

      • memory/936-60-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/936-75-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/936-77-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/964-88-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/964-84-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/964-85-0x0000000000411654-mapping.dmp

      • memory/964-89-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/964-90-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1532-64-0x0000000000000000-mapping.dmp

      • memory/1620-95-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1620-98-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1620-96-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1620-92-0x0000000000442628-mapping.dmp

      • memory/1620-91-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1916-68-0x0000000000000000-mapping.dmp

      • memory/1968-83-0x0000000074840000-0x0000000074DEB000-memory.dmp

        Filesize

        5.7MB

      • memory/1968-54-0x0000000076141000-0x0000000076143000-memory.dmp

        Filesize

        8KB

      • memory/1968-55-0x0000000074840000-0x0000000074DEB000-memory.dmp

        Filesize

        5.7MB

      • memory/1968-70-0x0000000074840000-0x0000000074DEB000-memory.dmp

        Filesize

        5.7MB