Analysis

  • max time kernel
    104s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    20-07-2022 20:33

General

  • Target

    4d9bc018fa90f713b3489a501f676ee87d975f0466a6e9f63dffd81513fa7a37.exe

  • Size

    906KB

  • MD5

    6f44e365d71e852639c9674933814fca

  • SHA1

    20a2ad6ba80fec51f9eafd56bb4e1d6d6ea09f5f

  • SHA256

    4d9bc018fa90f713b3489a501f676ee87d975f0466a6e9f63dffd81513fa7a37

  • SHA512

    cfea2709b8aa9298f6e4a7c3baf8d51572ff40a24082c0090c72c1ce32e0911d46cc7ef3edb9a44d4be6bb4249136bcb78de108fbe22579c9ca02d02f5b5296d

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 10 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 10 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 15 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • 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
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 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.

  • Suspicious use of SetThreadContext 2 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 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d9bc018fa90f713b3489a501f676ee87d975f0466a6e9f63dffd81513fa7a37.exe
    "C:\Users\Admin\AppData\Local\Temp\4d9bc018fa90f713b3489a501f676ee87d975f0466a6e9f63dffd81513fa7a37.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1820
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\4d9bc018fa90f713b3489a501f676ee87d975f0466a6e9f63dffd81513fa7a37.exe" "C:\Users\Admin\Desktop\project6392.exe"
      2⤵
        PID:956
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\Desktop\project6392.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1940
        • C:\Users\Admin\Desktop\project6392.exe
          "C:\Users\Admin\Desktop\project6392.exe"
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1452
          • C:\Users\Admin\Desktop\project6392.exe
            "C:\Users\Admin\Desktop\project6392.exe"
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of SetThreadContext
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1808
            • 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:976
            • 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:1148

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

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

        Filesize

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • C:\Users\Admin\Desktop\project6392.exe

        Filesize

        906KB

        MD5

        6f44e365d71e852639c9674933814fca

        SHA1

        20a2ad6ba80fec51f9eafd56bb4e1d6d6ea09f5f

        SHA256

        4d9bc018fa90f713b3489a501f676ee87d975f0466a6e9f63dffd81513fa7a37

        SHA512

        cfea2709b8aa9298f6e4a7c3baf8d51572ff40a24082c0090c72c1ce32e0911d46cc7ef3edb9a44d4be6bb4249136bcb78de108fbe22579c9ca02d02f5b5296d

      • C:\Users\Admin\Desktop\project6392.exe

        Filesize

        906KB

        MD5

        6f44e365d71e852639c9674933814fca

        SHA1

        20a2ad6ba80fec51f9eafd56bb4e1d6d6ea09f5f

        SHA256

        4d9bc018fa90f713b3489a501f676ee87d975f0466a6e9f63dffd81513fa7a37

        SHA512

        cfea2709b8aa9298f6e4a7c3baf8d51572ff40a24082c0090c72c1ce32e0911d46cc7ef3edb9a44d4be6bb4249136bcb78de108fbe22579c9ca02d02f5b5296d

      • C:\Users\Admin\Desktop\project6392.exe

        Filesize

        906KB

        MD5

        6f44e365d71e852639c9674933814fca

        SHA1

        20a2ad6ba80fec51f9eafd56bb4e1d6d6ea09f5f

        SHA256

        4d9bc018fa90f713b3489a501f676ee87d975f0466a6e9f63dffd81513fa7a37

        SHA512

        cfea2709b8aa9298f6e4a7c3baf8d51572ff40a24082c0090c72c1ce32e0911d46cc7ef3edb9a44d4be6bb4249136bcb78de108fbe22579c9ca02d02f5b5296d

      • \Users\Admin\Desktop\project6392.exe

        Filesize

        906KB

        MD5

        6f44e365d71e852639c9674933814fca

        SHA1

        20a2ad6ba80fec51f9eafd56bb4e1d6d6ea09f5f

        SHA256

        4d9bc018fa90f713b3489a501f676ee87d975f0466a6e9f63dffd81513fa7a37

        SHA512

        cfea2709b8aa9298f6e4a7c3baf8d51572ff40a24082c0090c72c1ce32e0911d46cc7ef3edb9a44d4be6bb4249136bcb78de108fbe22579c9ca02d02f5b5296d

      • memory/976-94-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/976-87-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/976-85-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/976-81-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1148-88-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1148-96-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1148-93-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1148-92-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1452-64-0x00000000002A0000-0x000000000038A000-memory.dmp

        Filesize

        936KB

      • memory/1452-65-0x00000000048D0000-0x00000000049D2000-memory.dmp

        Filesize

        1.0MB

      • memory/1808-78-0x00000000000E0000-0x0000000000164000-memory.dmp

        Filesize

        528KB

      • memory/1808-80-0x00000000009E0000-0x00000000009E8000-memory.dmp

        Filesize

        32KB

      • memory/1808-86-0x0000000004FD5000-0x0000000004FE6000-memory.dmp

        Filesize

        68KB

      • memory/1808-75-0x00000000000E0000-0x0000000000164000-memory.dmp

        Filesize

        528KB

      • memory/1808-70-0x00000000000E0000-0x0000000000164000-memory.dmp

        Filesize

        528KB

      • memory/1808-71-0x00000000000E0000-0x0000000000164000-memory.dmp

        Filesize

        528KB

      • memory/1808-97-0x0000000004FD5000-0x0000000004FE6000-memory.dmp

        Filesize

        68KB

      • memory/1820-57-0x0000000075831000-0x0000000075833000-memory.dmp

        Filesize

        8KB

      • memory/1820-54-0x0000000001120000-0x000000000120A000-memory.dmp

        Filesize

        936KB

      • memory/1820-56-0x00000000003D0000-0x00000000003EE000-memory.dmp

        Filesize

        120KB

      • memory/1820-55-0x0000000006DE0000-0x0000000006EE2000-memory.dmp

        Filesize

        1.0MB