Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2022 19:39

General

  • Target

    6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d.exe

  • Size

    471KB

  • MD5

    14c6f1d867933d7a620e9fda2e625fa3

  • SHA1

    a1c67649619f9809b6968cb7d389d35a6fe0bb00

  • SHA256

    6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d

  • SHA512

    ab39f73c3e01b6d9e8b9bedb62572d474b1e65878bca6e9c8c62148ada40dc07b97a03e69c43f4f71df22e7809a540897b01933aa94c69811436a6e782ec4d68

  • SSDEEP

    12288:pCxP7vfwHzyPxNjiGMHiHBYLK+bkJKH9av1+qn390hWk:rzyPxNmuBY+RKHH8AWk

Malware Config

Signatures

  • HawkEye

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

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • NirSoft MailPassView 12 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 12 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 17 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 4 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
  • 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 behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d.exe
    "C:\Users\Admin\AppData\Local\Temp\6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe,explorer.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:872
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe,explorer.exe"
        3⤵
        • Modifies WinLogon for persistence
        PID:752
    • C:\Users\Admin\AppData\Local\Temp\6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d.exe
      "C:\Users\Admin\AppData\Local\Temp\6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:848
      • 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 behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1372
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe,explorer.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1684
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe,explorer.exe"
            5⤵
            • Modifies WinLogon for persistence
            PID:816
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Deletes itself
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1092
          • 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:612
          • 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:960

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      102B

      MD5

      caa2707a53dbb20d4c062ae642dde22f

      SHA1

      8b8e6c9957b0550bba753f68ef1457f5bc109296

      SHA256

      5d04448774fb76d81b26e96580630e4ed6e6b324c0ec4771193b2094faedee5f

      SHA512

      9e1145344189d94d438c54f7edf1a7d11383055603c59f65e501613f85a4bbb33b1df0456129966382e35ffd689a1263238dfee51c4b9e6f34fdfcd322c059c1

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe

      Filesize

      471KB

      MD5

      14c6f1d867933d7a620e9fda2e625fa3

      SHA1

      a1c67649619f9809b6968cb7d389d35a6fe0bb00

      SHA256

      6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d

      SHA512

      ab39f73c3e01b6d9e8b9bedb62572d474b1e65878bca6e9c8c62148ada40dc07b97a03e69c43f4f71df22e7809a540897b01933aa94c69811436a6e782ec4d68

    • C:\Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe.lnk

      Filesize

      858B

      MD5

      e1c4280b2a1591884f809d79cfe5f515

      SHA1

      3bc8b029bf3ece06fda904b262e408de7ccec0df

      SHA256

      549ace56b6b52b475c050031e0af34d01b2372bc65cd8b8df1e2d99f9c90a314

      SHA512

      91979633e7a6838bf81941a19b1ddddda24b5cc0000181049610a0aa71de501c9a80aba0202500adb86bf03b3d4d6c7da9756153feb39b5f943691ff5fbdce5d

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

      Filesize

      471KB

      MD5

      14c6f1d867933d7a620e9fda2e625fa3

      SHA1

      a1c67649619f9809b6968cb7d389d35a6fe0bb00

      SHA256

      6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d

      SHA512

      ab39f73c3e01b6d9e8b9bedb62572d474b1e65878bca6e9c8c62148ada40dc07b97a03e69c43f4f71df22e7809a540897b01933aa94c69811436a6e782ec4d68

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

      Filesize

      471KB

      MD5

      14c6f1d867933d7a620e9fda2e625fa3

      SHA1

      a1c67649619f9809b6968cb7d389d35a6fe0bb00

      SHA256

      6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d

      SHA512

      ab39f73c3e01b6d9e8b9bedb62572d474b1e65878bca6e9c8c62148ada40dc07b97a03e69c43f4f71df22e7809a540897b01933aa94c69811436a6e782ec4d68

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

      Filesize

      471KB

      MD5

      14c6f1d867933d7a620e9fda2e625fa3

      SHA1

      a1c67649619f9809b6968cb7d389d35a6fe0bb00

      SHA256

      6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d

      SHA512

      ab39f73c3e01b6d9e8b9bedb62572d474b1e65878bca6e9c8c62148ada40dc07b97a03e69c43f4f71df22e7809a540897b01933aa94c69811436a6e782ec4d68

    • \Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe

      Filesize

      471KB

      MD5

      14c6f1d867933d7a620e9fda2e625fa3

      SHA1

      a1c67649619f9809b6968cb7d389d35a6fe0bb00

      SHA256

      6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d

      SHA512

      ab39f73c3e01b6d9e8b9bedb62572d474b1e65878bca6e9c8c62148ada40dc07b97a03e69c43f4f71df22e7809a540897b01933aa94c69811436a6e782ec4d68

    • \Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe

      Filesize

      471KB

      MD5

      14c6f1d867933d7a620e9fda2e625fa3

      SHA1

      a1c67649619f9809b6968cb7d389d35a6fe0bb00

      SHA256

      6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d

      SHA512

      ab39f73c3e01b6d9e8b9bedb62572d474b1e65878bca6e9c8c62148ada40dc07b97a03e69c43f4f71df22e7809a540897b01933aa94c69811436a6e782ec4d68

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

      Filesize

      471KB

      MD5

      14c6f1d867933d7a620e9fda2e625fa3

      SHA1

      a1c67649619f9809b6968cb7d389d35a6fe0bb00

      SHA256

      6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d

      SHA512

      ab39f73c3e01b6d9e8b9bedb62572d474b1e65878bca6e9c8c62148ada40dc07b97a03e69c43f4f71df22e7809a540897b01933aa94c69811436a6e782ec4d68

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

      Filesize

      471KB

      MD5

      14c6f1d867933d7a620e9fda2e625fa3

      SHA1

      a1c67649619f9809b6968cb7d389d35a6fe0bb00

      SHA256

      6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d

      SHA512

      ab39f73c3e01b6d9e8b9bedb62572d474b1e65878bca6e9c8c62148ada40dc07b97a03e69c43f4f71df22e7809a540897b01933aa94c69811436a6e782ec4d68

    • memory/612-106-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/612-107-0x0000000000411654-mapping.dmp

    • memory/612-110-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/612-111-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/612-113-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/752-59-0x0000000000000000-mapping.dmp

    • memory/816-87-0x0000000000000000-mapping.dmp

    • memory/848-66-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/848-65-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/848-76-0x00000000749C0000-0x0000000074F6B000-memory.dmp

      Filesize

      5.7MB

    • memory/848-60-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/848-61-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/848-63-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/848-72-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/848-70-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/848-67-0x0000000000480C6E-mapping.dmp

    • memory/848-80-0x00000000749C0000-0x0000000074F6B000-memory.dmp

      Filesize

      5.7MB

    • memory/872-58-0x0000000000000000-mapping.dmp

    • memory/960-119-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/960-120-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/960-118-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/960-114-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/960-115-0x0000000000442628-mapping.dmp

    • memory/1092-104-0x0000000074A30000-0x0000000074FDB000-memory.dmp

      Filesize

      5.7MB

    • memory/1092-112-0x0000000074A30000-0x0000000074FDB000-memory.dmp

      Filesize

      5.7MB

    • memory/1092-96-0x0000000000480C6E-mapping.dmp

    • memory/1372-82-0x00000000749C0000-0x0000000074F6B000-memory.dmp

      Filesize

      5.7MB

    • memory/1372-81-0x00000000749C0000-0x0000000074F6B000-memory.dmp

      Filesize

      5.7MB

    • memory/1372-75-0x0000000000000000-mapping.dmp

    • memory/1372-99-0x00000000749C0000-0x0000000074F6B000-memory.dmp

      Filesize

      5.7MB

    • memory/1684-86-0x0000000000000000-mapping.dmp

    • memory/1748-56-0x0000000074A30000-0x0000000074FDB000-memory.dmp

      Filesize

      5.7MB

    • memory/1748-54-0x0000000075591000-0x0000000075593000-memory.dmp

      Filesize

      8KB

    • memory/1748-68-0x0000000074A30000-0x0000000074FDB000-memory.dmp

      Filesize

      5.7MB

    • memory/1748-55-0x0000000074A30000-0x0000000074FDB000-memory.dmp

      Filesize

      5.7MB