Analysis

  • max time kernel
    156s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 13:27

General

  • Target

    1716fcc758acb8523dc23fd6c36cd301dc302882066640d8ed278a533f1275bc.exe

  • Size

    944KB

  • MD5

    3d6ead1d7006c07233ec0f466904de8f

  • SHA1

    50534257092dfd3c9740aa9163081f78aa292dca

  • SHA256

    1716fcc758acb8523dc23fd6c36cd301dc302882066640d8ed278a533f1275bc

  • SHA512

    5ee72fe1666511ca443ac34da936e06f5518ad401d6fd346909a39f3a2a3adc27b75c0137d789fcc9bec33a3bcd7c611070b8c3661d859c20cdfac5ef21c7625

  • SSDEEP

    24576:gDp11AiYfzvnlQN7b+km7P3DcNR5lDJFYg:gF/A7LM7Ckm7P3AH5lDJO

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 9 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 22 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 2 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 8 IoCs
  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1716fcc758acb8523dc23fd6c36cd301dc302882066640d8ed278a533f1275bc.exe
    "C:\Users\Admin\AppData\Local\Temp\1716fcc758acb8523dc23fd6c36cd301dc302882066640d8ed278a533f1275bc.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Users\Admin\AppData\Local\Temp\1716fcc758acb8523dc23fd6c36cd301dc302882066640d8ed278a533f1275bc.exe
      "C:\Users\Admin\AppData\Local\Temp\1716fcc758acb8523dc23fd6c36cd301dc302882066640d8ed278a533f1275bc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1920
      • 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⤵
          PID:2548
        • 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" /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:4996
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 1992
          3⤵
          • Drops file in Windows directory
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:2744
      • C:\Users\Admin\AppData\Local\Temp\1716fcc758acb8523dc23fd6c36cd301dc302882066640d8ed278a533f1275bc.exe
        "C:\Users\Admin\AppData\Local\Temp\1716fcc758acb8523dc23fd6c36cd301dc302882066640d8ed278a533f1275bc.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2700
        • 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:3592
        • 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:4832
          • 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:544
            • 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:3912

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Execution

          Scripting

          1
          T1064

          Defense Evasion

          Scripting

          1
          T1064

          Discovery

          Query Registry

          3
          T1012

          Peripheral Device Discovery

          1
          T1120

          System Information Discovery

          3
          T1082

          Collection

          Email Collection

          1
          T1114

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            725B

            MD5

            e9e131a10b746c9a47eb6a19e40307fd

            SHA1

            d1aa8f64deeeb123c6363adcee94b2c77bc875d3

            SHA256

            60afb539214221a430e3b3038dc438b5fc79bb889592392896d87cecd850b117

            SHA512

            6d2f361b0b6e92e7b1dc91942d70091e66c9dd8330094a06ba6132b742f8d79ac57699d2cbac8f6067766614ab38964c83771610e29e1c7a0fa42dc1183a936c

          • 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

            3KB

            MD5

            f94dc819ca773f1e3cb27abbc9e7fa27

            SHA1

            9a7700efadc5ea09ab288544ef1e3cd876255086

            SHA256

            a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

            SHA512

            72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

          • C:\Users\Admin\AppData\Roaming\pid.txt
            Filesize

            4B

            MD5

            44968aece94f667e4095002d140b5896

            SHA1

            b365ea35eed358e8f75767e991800e44e85fff84

            SHA256

            6b5f40c09215713a1fa83ea2de2adcae17e605b8958a2d7379e15b561687ee8f

            SHA512

            bc0d0bddc8f3e9f3a45b3925753655c876c4e213af59b4ee2d42ba2aebac44749f920df8cf1befe027ad9eb633c29d9ab03de3fdef961c7b46b5e758d99e8e7c

          • C:\Users\Admin\AppData\Roaming\pidloc.txt
            Filesize

            102B

            MD5

            8ebb339a31691e957a49c1f282591541

            SHA1

            c919350a396c208a9adcab3d046146b6dbdfc470

            SHA256

            881197c1857a3ba476a412ce5217490f1466e970c3e2577d5cd19a1221f2d8c2

            SHA512

            70cb4c2246c4c6678714e65a60b5bdf1df7300fec8cbdbafc1ca7e5da68cbc7766101b10b26e582d024c5bcd5af51bd7ef1ec706c3b41841e409cbce06945919

          • memory/544-167-0x0000000000400000-0x0000000000415000-memory.dmp
            Filesize

            84KB

          • memory/544-161-0x0000000000000000-mapping.dmp
          • memory/544-162-0x0000000000400000-0x0000000000415000-memory.dmp
            Filesize

            84KB

          • memory/544-164-0x0000000000400000-0x0000000000415000-memory.dmp
            Filesize

            84KB

          • memory/1812-136-0x0000000074C50000-0x0000000075201000-memory.dmp
            Filesize

            5.7MB

          • memory/1812-132-0x0000000074C50000-0x0000000075201000-memory.dmp
            Filesize

            5.7MB

          • memory/1920-137-0x0000000074C50000-0x0000000075201000-memory.dmp
            Filesize

            5.7MB

          • memory/1920-135-0x0000000074C50000-0x0000000075201000-memory.dmp
            Filesize

            5.7MB

          • memory/1920-146-0x0000000074C50000-0x0000000075201000-memory.dmp
            Filesize

            5.7MB

          • memory/1920-134-0x0000000000400000-0x00000000004F0000-memory.dmp
            Filesize

            960KB

          • memory/1920-133-0x0000000000000000-mapping.dmp
          • memory/2548-140-0x0000000000000000-mapping.dmp
          • memory/2700-152-0x0000000074C50000-0x0000000075201000-memory.dmp
            Filesize

            5.7MB

          • memory/2700-149-0x0000000074C50000-0x0000000075201000-memory.dmp
            Filesize

            5.7MB

          • memory/2700-147-0x0000000000000000-mapping.dmp
          • memory/2744-142-0x0000000000000000-mapping.dmp
          • memory/3592-153-0x0000000000000000-mapping.dmp
          • memory/3592-156-0x0000000000400000-0x000000000041B000-memory.dmp
            Filesize

            108KB

          • memory/3592-157-0x0000000000400000-0x000000000041B000-memory.dmp
            Filesize

            108KB

          • memory/3912-176-0x0000000000400000-0x000000000044F000-memory.dmp
            Filesize

            316KB

          • memory/3912-174-0x0000000000400000-0x000000000044F000-memory.dmp
            Filesize

            316KB

          • memory/3912-172-0x0000000000400000-0x000000000044F000-memory.dmp
            Filesize

            316KB

          • memory/3912-171-0x0000000000000000-mapping.dmp
          • memory/4832-159-0x0000000000400000-0x0000000000459000-memory.dmp
            Filesize

            356KB

          • memory/4832-168-0x0000000000400000-0x0000000000459000-memory.dmp
            Filesize

            356KB

          • memory/4832-170-0x0000000000400000-0x0000000000459000-memory.dmp
            Filesize

            356KB

          • memory/4832-165-0x0000000000400000-0x0000000000459000-memory.dmp
            Filesize

            356KB

          • memory/4832-158-0x0000000000000000-mapping.dmp
          • memory/4996-143-0x0000000000400000-0x000000000041B000-memory.dmp
            Filesize

            108KB

          • memory/4996-139-0x0000000000400000-0x000000000041B000-memory.dmp
            Filesize

            108KB

          • memory/4996-144-0x0000000000400000-0x000000000041B000-memory.dmp
            Filesize

            108KB

          • memory/4996-145-0x0000000000400000-0x000000000041B000-memory.dmp
            Filesize

            108KB

          • memory/4996-138-0x0000000000000000-mapping.dmp