Analysis

  • max time kernel
    151s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 20:58

General

  • Target

    Versanddetails.exe

  • Size

    732KB

  • MD5

    363669ceb5dd7f5aac373bcf2a041d7d

  • SHA1

    c51fef78c105b13880ca088c12731e0292501dc3

  • SHA256

    d4bddb73683cb2f5f9ff8fbcbfbc6bff85717a4189a98ff90cd2bbd46b7a35cf

  • SHA512

    6e78bf2293d471bd0c716a4a855aa512d5b816ed6d3fa183182e1d792bb3165b3265fe4d606f7e05c01d7ab9b6daa2b908b42d20647ef1d3c508a5cb2f459cf5

Malware Config

Signatures

  • HawkEye

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 782 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Versanddetails.exe
    "C:\Users\Admin\AppData\Local\Temp\Versanddetails.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1064
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:836
        • 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:968
          • 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:1696

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scripting

        1
        T1064

        Defense Evasion

        Scripting

        1
        T1064

        Credential Access

        Credentials in Files

        1
        T1081

        Collection

        Data from Local System

        1
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
          MD5

          f3b25701fe362ec84616a93a45ce9998

          SHA1

          d62636d8caec13f04e28442a0a6fa1afeb024bbb

          SHA256

          b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

          SHA512

          98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

        • memory/836-10-0x0000000000400000-0x0000000000488000-memory.dmp
          Filesize

          544KB

        • memory/836-15-0x0000000000740000-0x0000000000742000-memory.dmp
          Filesize

          8KB

        • memory/836-12-0x0000000073910000-0x0000000073FFE000-memory.dmp
          Filesize

          6.9MB

        • memory/836-11-0x0000000000400000-0x0000000000488000-memory.dmp
          Filesize

          544KB

        • memory/836-8-0x0000000000400000-0x0000000000488000-memory.dmp
          Filesize

          544KB

        • memory/836-9-0x0000000000480C5E-mapping.dmp
        • memory/968-17-0x0000000000411654-mapping.dmp
        • memory/968-16-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/968-18-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/984-23-0x000007FEF7BD0000-0x000007FEF7E4A000-memory.dmp
          Filesize

          2.5MB

        • memory/1668-5-0x0000000004FF0000-0x0000000005078000-memory.dmp
          Filesize

          544KB

        • memory/1668-4-0x0000000004FF0000-0x0000000005078000-memory.dmp
          Filesize

          544KB

        • memory/1668-3-0x00000000003F0000-0x000000000047B000-memory.dmp
          Filesize

          556KB

        • memory/1668-0-0x0000000074640000-0x0000000074D2E000-memory.dmp
          Filesize

          6.9MB

        • memory/1668-1-0x0000000001200000-0x0000000001201000-memory.dmp
          Filesize

          4KB

        • memory/1696-20-0x0000000000400000-0x0000000000458000-memory.dmp
          Filesize

          352KB

        • memory/1696-21-0x0000000000442628-mapping.dmp
        • memory/1696-22-0x0000000000400000-0x0000000000458000-memory.dmp
          Filesize

          352KB