Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-11-2020 23:08

General

  • Target

    6351df97ad5c397ca6f90b7344b534dd95ad10e3945dce4766c52615af96ba86.exe

  • Size

    1.5MB

  • MD5

    2ebcbce3a454b07ae4bef1f9bdf1aeed

  • SHA1

    203022baa8bd7d52fd1066e9afc99b1039e6707e

  • SHA256

    6351df97ad5c397ca6f90b7344b534dd95ad10e3945dce4766c52615af96ba86

  • SHA512

    890750941efdd6326247a98bd59363a4144e6913add614ebf746360855a13c6c55db03b6e6edc4023d4ec2ac1547dc1bc17df9a0c3925e3d71e93b966554d555

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
  • 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 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 875 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6351df97ad5c397ca6f90b7344b534dd95ad10e3945dce4766c52615af96ba86.exe
    "C:\Users\Admin\AppData\Local\Temp\6351df97ad5c397ca6f90b7344b534dd95ad10e3945dce4766c52615af96ba86.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1004
    • C:\Users\Admin\AppData\Local\Temp\6351df97ad5c397ca6f90b7344b534dd95ad10e3945dce4766c52615af96ba86.exe
      "C:\Users\Admin\AppData\Local\Temp\6351df97ad5c397ca6f90b7344b534dd95ad10e3945dce4766c52615af96ba86.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1884
      • C:\Users\Admin\AppData\Local\Temp\6351df97ad5c397ca6f90b7344b534dd95ad10e3945dce4766c52615af96ba86.exe
        "C:\Users\Admin\AppData\Local\Temp\6351df97ad5c397ca6f90b7344b534dd95ad10e3945dce4766c52615af96ba86.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1836
        • 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"
          4⤵
            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"
            4⤵
              PID:620

      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

      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

      • C:\Windows\win.ini
        MD5

        d2a2412bddba16d60ec63bd9550d933f

        SHA1

        deb3d3bdc9055f0b4909b31d3048446848fae0e1

        SHA256

        79ff2254e38192be1626d05bec6c82e10c85e1cf91df7440c4c443380a1e877a

        SHA512

        8fecada107f72e59e43a689eeb8e2e18fa6134d0941c122025ed5bd00e5eab8114d7125bd289505be75641385a0c3f112d402c693f142c3ddc870d5fa8116e31

      • memory/620-13-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/620-15-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/620-14-0x0000000000442628-mapping.dmp
      • memory/968-11-0x0000000000411654-mapping.dmp
      • memory/968-10-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/968-12-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1540-16-0x000007FEF5E90000-0x000007FEF610A000-memory.dmp
        Filesize

        2.5MB

      • memory/1836-9-0x0000000000400000-0x00000000004A0000-memory.dmp
        Filesize

        640KB

      • memory/1836-8-0x0000000000400000-0x00000000004A0000-memory.dmp
        Filesize

        640KB

      • memory/1836-7-0x000000000040140A-mapping.dmp
      • memory/1836-6-0x0000000000400000-0x00000000004A0000-memory.dmp
        Filesize

        640KB

      • memory/1884-2-0x0000000000000000-mapping.dmp