Analysis

  • max time kernel
    97s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 18:55

General

  • Target

    99ef2102d80673d61ef75c75e90e9749572e46abd3aecebc90fc430a42afbf85.exe

  • Size

    998KB

  • MD5

    177a34ddb5abf1506e41085974c5dfa8

  • SHA1

    bc80d8a2c9acde2440acac32e9bfeacedb9cdea0

  • SHA256

    99ef2102d80673d61ef75c75e90e9749572e46abd3aecebc90fc430a42afbf85

  • SHA512

    479a826c36c49d942f000de6625691fcdf7d081fc8062d5075459a7a1bca4a47b9a4b66d302af24a76e4c363a388eb7d0ab94a502a7794070faab7a2dbecbd6a

  • SSDEEP

    24576:R157SnKT9x6tvsrhITbmK0pySuFOzuEh1MyC7h:RfmnKT9xyv6hi5VF1I1v4h

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 12 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 24 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 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 6 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 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99ef2102d80673d61ef75c75e90e9749572e46abd3aecebc90fc430a42afbf85.exe
    "C:\Users\Admin\AppData\Local\Temp\99ef2102d80673d61ef75c75e90e9749572e46abd3aecebc90fc430a42afbf85.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1272
    • C:\Users\Admin\AppData\Local\Temp\99ef2102d80673d61ef75c75e90e9749572e46abd3aecebc90fc430a42afbf85.exe
      "C:\Users\Admin\AppData\Local\Temp\99ef2102d80673d61ef75c75e90e9749572e46abd3aecebc90fc430a42afbf85.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1268
      • 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:1800
      • 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:1000
        • 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\holderprodkey.txt"
          3⤵
            PID:1088
          • 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\holderskypeview.txt"
            3⤵
              PID:1372
          • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.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:1588
            • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1744
              • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe"
                4⤵
                • Executes dropped EXE
                PID:1604

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scripting

        1
        T1064

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Scripting

        1
        T1064

        Modify Registry

        1
        T1112

        Discovery

        System Information Discovery

        1
        T1082

        Collection

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\holderprodkey.txt
          Filesize

          1KB

          MD5

          77cb34ce76be9099649a0b1b13a019e3

          SHA1

          4ea05e97b5d183c532a2e5c322f7379eb8603980

          SHA256

          fb50d9d26eee22484ea63f95ac3ce6ac329a4f020c2b73bbc8de859080bb3036

          SHA512

          6288a9436867545636f64c3679bb73699c92b42071c17aad0b9365b533aa8bfc891313220fb9727f638a534453345783c5c8af6bc0460976dec9c53da572c886

        • C:\Users\Admin\AppData\Local\Temp\holderskypeview.txt
          Filesize

          2B

          MD5

          f3b25701fe362ec84616a93a45ce9998

          SHA1

          d62636d8caec13f04e28442a0a6fa1afeb024bbb

          SHA256

          b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

          SHA512

          98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

          2B

          MD5

          f3b25701fe362ec84616a93a45ce9998

          SHA1

          d62636d8caec13f04e28442a0a6fa1afeb024bbb

          SHA256

          b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

          SHA512

          98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

        • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe
          Filesize

          7KB

          MD5

          c283efa34a736e2e98e64da9b1f927ae

          SHA1

          53c991156979b3a7ecdcdb799fb33440cb73ed55

          SHA256

          2a11fd8fdb1108cdac9c38d9b3fee701ece885e9de4766ab26779c4a994aabfa

          SHA512

          9b7c433a2f0362d82af4d31000b108962ca2d6090f5d3aaaae4dd4be41c9cde3c27cf2869193755da8bd0880732f815b9875cbbb2d44f30b64d55659a38c90ec

        • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe
          Filesize

          7KB

          MD5

          c283efa34a736e2e98e64da9b1f927ae

          SHA1

          53c991156979b3a7ecdcdb799fb33440cb73ed55

          SHA256

          2a11fd8fdb1108cdac9c38d9b3fee701ece885e9de4766ab26779c4a994aabfa

          SHA512

          9b7c433a2f0362d82af4d31000b108962ca2d6090f5d3aaaae4dd4be41c9cde3c27cf2869193755da8bd0880732f815b9875cbbb2d44f30b64d55659a38c90ec

        • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
          Filesize

          998KB

          MD5

          177a34ddb5abf1506e41085974c5dfa8

          SHA1

          bc80d8a2c9acde2440acac32e9bfeacedb9cdea0

          SHA256

          99ef2102d80673d61ef75c75e90e9749572e46abd3aecebc90fc430a42afbf85

          SHA512

          479a826c36c49d942f000de6625691fcdf7d081fc8062d5075459a7a1bca4a47b9a4b66d302af24a76e4c363a388eb7d0ab94a502a7794070faab7a2dbecbd6a

        • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
          Filesize

          998KB

          MD5

          177a34ddb5abf1506e41085974c5dfa8

          SHA1

          bc80d8a2c9acde2440acac32e9bfeacedb9cdea0

          SHA256

          99ef2102d80673d61ef75c75e90e9749572e46abd3aecebc90fc430a42afbf85

          SHA512

          479a826c36c49d942f000de6625691fcdf7d081fc8062d5075459a7a1bca4a47b9a4b66d302af24a76e4c363a388eb7d0ab94a502a7794070faab7a2dbecbd6a

        • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
          Filesize

          998KB

          MD5

          177a34ddb5abf1506e41085974c5dfa8

          SHA1

          bc80d8a2c9acde2440acac32e9bfeacedb9cdea0

          SHA256

          99ef2102d80673d61ef75c75e90e9749572e46abd3aecebc90fc430a42afbf85

          SHA512

          479a826c36c49d942f000de6625691fcdf7d081fc8062d5075459a7a1bca4a47b9a4b66d302af24a76e4c363a388eb7d0ab94a502a7794070faab7a2dbecbd6a

        • \Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe
          Filesize

          7KB

          MD5

          c283efa34a736e2e98e64da9b1f927ae

          SHA1

          53c991156979b3a7ecdcdb799fb33440cb73ed55

          SHA256

          2a11fd8fdb1108cdac9c38d9b3fee701ece885e9de4766ab26779c4a994aabfa

          SHA512

          9b7c433a2f0362d82af4d31000b108962ca2d6090f5d3aaaae4dd4be41c9cde3c27cf2869193755da8bd0880732f815b9875cbbb2d44f30b64d55659a38c90ec

        • \Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
          Filesize

          998KB

          MD5

          177a34ddb5abf1506e41085974c5dfa8

          SHA1

          bc80d8a2c9acde2440acac32e9bfeacedb9cdea0

          SHA256

          99ef2102d80673d61ef75c75e90e9749572e46abd3aecebc90fc430a42afbf85

          SHA512

          479a826c36c49d942f000de6625691fcdf7d081fc8062d5075459a7a1bca4a47b9a4b66d302af24a76e4c363a388eb7d0ab94a502a7794070faab7a2dbecbd6a

        • memory/1000-92-0x0000000000442F04-mapping.dmp
        • memory/1000-91-0x0000000000400000-0x0000000000459000-memory.dmp
          Filesize

          356KB

        • memory/1000-95-0x0000000000400000-0x0000000000459000-memory.dmp
          Filesize

          356KB

        • memory/1000-97-0x0000000000400000-0x0000000000459000-memory.dmp
          Filesize

          356KB

        • memory/1088-114-0x0000000000400000-0x0000000000415000-memory.dmp
          Filesize

          84KB

        • memory/1088-115-0x000000000040BEC0-mapping.dmp
        • memory/1088-118-0x0000000000400000-0x0000000000415000-memory.dmp
          Filesize

          84KB

        • memory/1088-120-0x0000000000400000-0x0000000000415000-memory.dmp
          Filesize

          84KB

        • memory/1268-58-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/1268-60-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/1268-67-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/1268-57-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/1268-82-0x0000000073F00000-0x00000000744AB000-memory.dmp
          Filesize

          5.7MB

        • memory/1268-65-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/1268-61-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/1268-74-0x0000000073F00000-0x00000000744AB000-memory.dmp
          Filesize

          5.7MB

        • memory/1268-63-0x00000000004EB18E-mapping.dmp
        • memory/1268-62-0x0000000000400000-0x00000000004F0000-memory.dmp
          Filesize

          960KB

        • memory/1272-54-0x0000000075931000-0x0000000075933000-memory.dmp
          Filesize

          8KB

        • memory/1272-56-0x0000000073F00000-0x00000000744AB000-memory.dmp
          Filesize

          5.7MB

        • memory/1272-55-0x0000000073F00000-0x00000000744AB000-memory.dmp
          Filesize

          5.7MB

        • memory/1372-126-0x0000000000400000-0x000000000044F000-memory.dmp
          Filesize

          316KB

        • memory/1372-125-0x0000000000400000-0x000000000044F000-memory.dmp
          Filesize

          316KB

        • memory/1372-121-0x0000000000400000-0x000000000044F000-memory.dmp
          Filesize

          316KB

        • memory/1372-122-0x000000000043BC50-mapping.dmp
        • memory/1588-75-0x0000000073F00000-0x00000000744AB000-memory.dmp
          Filesize

          5.7MB

        • memory/1588-83-0x0000000073F00000-0x00000000744AB000-memory.dmp
          Filesize

          5.7MB

        • memory/1588-70-0x0000000000000000-mapping.dmp
        • memory/1604-112-0x0000000073F00000-0x00000000744AB000-memory.dmp
          Filesize

          5.7MB

        • memory/1604-113-0x0000000073F00000-0x00000000744AB000-memory.dmp
          Filesize

          5.7MB

        • memory/1604-105-0x00000000004EB18E-mapping.dmp
        • memory/1744-98-0x0000000073F00000-0x00000000744AB000-memory.dmp
          Filesize

          5.7MB

        • memory/1744-81-0x0000000073F00000-0x00000000744AB000-memory.dmp
          Filesize

          5.7MB

        • memory/1744-78-0x0000000000000000-mapping.dmp
        • memory/1800-90-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/1800-88-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/1800-85-0x0000000000411714-mapping.dmp
        • memory/1800-89-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/1800-84-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB