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Analysis

  • max time kernel
    101s
  • max time network
    82s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 15:34

General

  • Target

    89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe

  • Size

    588KB

  • MD5

    55062296cd82f3b8b5805a06dcb32cf6

  • SHA1

    7c1614ca008dd7f04e6f93ef0daf1379f424af98

  • SHA256

    89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268

  • SHA512

    77829cc9ebe22e91cbba845d57e6c66e0f1cfad2840593a14f09bb4e649fefa7faad07053e264a2e74645d5a929449072e7dc01de9daaaa3b91c19455577b26a

  • SSDEEP

    12288:WpR3kwv7SDitmQJLzpiCdcoW50pvYH9HKQ2TTqwmUyL8DSXzNOY4sxN514:JDktiGWmRYhKbTTLUjfr4

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 15 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 15 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 20 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe
    "C:\Users\Admin\AppData\Local\Temp\89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Users\Admin\AppData\Local\Temp\89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe
      "C:\Users\Admin\AppData\Local\Temp\89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1936
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Deletes itself
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1804
          • 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"
            5⤵
            • Accesses Microsoft Outlook accounts
            PID:1984
          • 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"
            5⤵
              PID:344

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\SysInfo.txt

      Filesize

      102B

      MD5

      fb3c82979b10d5771280bb983c0db54d

      SHA1

      23514bcb3c447cdff1a11c6cee41b1160a4ae44b

      SHA256

      4ec703d2894fc33b2d045ab356c300fa97241051afd63a684b3d3b4692f2db40

      SHA512

      af36f95b3e70c1a0be80001f599cafcbd4a1a16711e0e57f7466e3f6ef28302d3a51c95846c4126a25f5329063186311f4530a6c45cb1a99468037aa05b679b7

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe

      Filesize

      588KB

      MD5

      55062296cd82f3b8b5805a06dcb32cf6

      SHA1

      7c1614ca008dd7f04e6f93ef0daf1379f424af98

      SHA256

      89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268

      SHA512

      77829cc9ebe22e91cbba845d57e6c66e0f1cfad2840593a14f09bb4e649fefa7faad07053e264a2e74645d5a929449072e7dc01de9daaaa3b91c19455577b26a

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe

      Filesize

      588KB

      MD5

      55062296cd82f3b8b5805a06dcb32cf6

      SHA1

      7c1614ca008dd7f04e6f93ef0daf1379f424af98

      SHA256

      89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268

      SHA512

      77829cc9ebe22e91cbba845d57e6c66e0f1cfad2840593a14f09bb4e649fefa7faad07053e264a2e74645d5a929449072e7dc01de9daaaa3b91c19455577b26a

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe

      Filesize

      588KB

      MD5

      55062296cd82f3b8b5805a06dcb32cf6

      SHA1

      7c1614ca008dd7f04e6f93ef0daf1379f424af98

      SHA256

      89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268

      SHA512

      77829cc9ebe22e91cbba845d57e6c66e0f1cfad2840593a14f09bb4e649fefa7faad07053e264a2e74645d5a929449072e7dc01de9daaaa3b91c19455577b26a

    • \Users\Admin\AppData\Roaming\Windows Update.exe

      Filesize

      588KB

      MD5

      55062296cd82f3b8b5805a06dcb32cf6

      SHA1

      7c1614ca008dd7f04e6f93ef0daf1379f424af98

      SHA256

      89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268

      SHA512

      77829cc9ebe22e91cbba845d57e6c66e0f1cfad2840593a14f09bb4e649fefa7faad07053e264a2e74645d5a929449072e7dc01de9daaaa3b91c19455577b26a

    • \Users\Admin\AppData\Roaming\Windows Update.exe

      Filesize

      588KB

      MD5

      55062296cd82f3b8b5805a06dcb32cf6

      SHA1

      7c1614ca008dd7f04e6f93ef0daf1379f424af98

      SHA256

      89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268

      SHA512

      77829cc9ebe22e91cbba845d57e6c66e0f1cfad2840593a14f09bb4e649fefa7faad07053e264a2e74645d5a929449072e7dc01de9daaaa3b91c19455577b26a

    • memory/344-112-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/344-113-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/344-116-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/344-108-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1240-64-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1240-58-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1240-73-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1240-70-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1240-66-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1240-57-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1240-81-0x0000000074150000-0x00000000746FB000-memory.dmp

      Filesize

      5.7MB

    • memory/1240-75-0x0000000074150000-0x00000000746FB000-memory.dmp

      Filesize

      5.7MB

    • memory/1240-61-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1240-60-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1604-54-0x0000000075601000-0x0000000075603000-memory.dmp

      Filesize

      8KB

    • memory/1604-65-0x00000000741C0000-0x000000007476B000-memory.dmp

      Filesize

      5.7MB

    • memory/1604-56-0x00000000741C0000-0x000000007476B000-memory.dmp

      Filesize

      5.7MB

    • memory/1604-55-0x00000000741C0000-0x000000007476B000-memory.dmp

      Filesize

      5.7MB

    • memory/1804-95-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1804-97-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1804-99-0x00000000741C0000-0x000000007476B000-memory.dmp

      Filesize

      5.7MB

    • memory/1804-101-0x00000000741C0000-0x000000007476B000-memory.dmp

      Filesize

      5.7MB

    • memory/1936-83-0x0000000074150000-0x00000000746FB000-memory.dmp

      Filesize

      5.7MB

    • memory/1936-94-0x0000000074150000-0x00000000746FB000-memory.dmp

      Filesize

      5.7MB

    • memory/1936-82-0x0000000074150000-0x00000000746FB000-memory.dmp

      Filesize

      5.7MB

    • memory/1984-107-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1984-106-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1984-102-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1984-114-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB