Analysis

  • max time kernel
    102s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 13:39

General

  • Target

    59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe

  • Size

    456KB

  • MD5

    90caac4f6cdbf7973a865dedf54255cd

  • SHA1

    2b3deb23d17ec7dac24eb87d3b71788d55b89f59

  • SHA256

    59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1

  • SHA512

    6fa9e0d81da84ee8a2b9d07ee8d9148758a36fe61429f7c284262ba4426c7ea1396f8abdbdacb23b95e55254d2db23a97f923ac2418a346dee2e75434793010b

  • SSDEEP

    6144:xlkWyyvotlKtJrVtDsSC97H+vNzm7+ud+uZVAfGuPm59HeXQR1RsyLk6h3kcqkNy:Lkn66gjq9L+8Rqje+XQRTJg6Kc3w9

Malware Config

Signatures

  • HawkEye

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

  • 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
  • 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe
    "C:\Users\Admin\AppData\Local\Temp\59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\Windows" /XML "C:\Users\Admin\AppData\Local\Temp\326295174.xml"
      2⤵
      • Creates scheduled task(s)
      PID:1456
    • C:\Users\Admin\AppData\Local\Temp\59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe
      "C:\Users\Admin\AppData\Local\Temp\59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1760
      • 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:1960
      • 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:1684

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\326295174.xml
      Filesize

      1KB

      MD5

      1189f5e48c6c564f2922cf82ac7f8a46

      SHA1

      e44fff1faf060082f361395ec5a3def91b8ed504

      SHA256

      b0b51b1a72ad3da2531174229a209b5ae890f36ccbf77b23355bb6ffdaf6ab5f

      SHA512

      c5b1ba1ebed8897b945387db77b0b48714a3eb682aa3001cc2f016ceb3657fc3b986b1ae9be3c1746dce21e9f7f47ecd3b5c7274a1bc394c211e9a03ce793cee

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/536-55-0x0000000074780000-0x0000000074D2B000-memory.dmp
      Filesize

      5.7MB

    • memory/536-58-0x0000000074780000-0x0000000074D2B000-memory.dmp
      Filesize

      5.7MB

    • memory/536-54-0x0000000075B11000-0x0000000075B13000-memory.dmp
      Filesize

      8KB

    • memory/536-70-0x0000000074780000-0x0000000074D2B000-memory.dmp
      Filesize

      5.7MB

    • memory/1456-56-0x0000000000000000-mapping.dmp
    • memory/1684-84-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1684-92-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1684-90-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1684-88-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1684-85-0x0000000000442628-mapping.dmp
    • memory/1760-62-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1760-66-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1760-75-0x0000000074710000-0x0000000074CBB000-memory.dmp
      Filesize

      5.7MB

    • memory/1760-76-0x0000000074710000-0x0000000074CBB000-memory.dmp
      Filesize

      5.7MB

    • memory/1760-73-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1760-59-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1760-60-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1760-64-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1760-89-0x00000000007B5000-0x00000000007C6000-memory.dmp
      Filesize

      68KB

    • memory/1760-71-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1760-68-0x000000000047EA1E-mapping.dmp
    • memory/1960-78-0x0000000000411654-mapping.dmp
    • memory/1960-83-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1960-82-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1960-81-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1960-77-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB