Analysis

  • max time kernel
    144s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-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 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 2 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d.exe
    "C:\Users\Admin\AppData\Local\Temp\6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:400
    • 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:4516
      • 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:340
    • C:\Users\Admin\AppData\Local\Temp\6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d.exe
      "C:\Users\Admin\AppData\Local\Temp\6bbce72776f6db8f497062b29b2848b3cb12d25f083486b08a474796d548848d.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1648
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3496
        • 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:2376
          • 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:2152
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3444
          • 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:2260
          • 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⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4248

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

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • 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

    941B

    MD5

    6fab833e697265abd3b74b8479caac63

    SHA1

    0665c78d9bf61bc63c1fa036671a722e99e5c6dc

    SHA256

    7f30b1d9fa40f553e3839bff4ab22582ef111679f61a51e4cb6b9c931e4f6b89

    SHA512

    b63fdd04622dd4c627f81de2f51ca8014f0f40ee2c8b3bdbe019346a8afb8935cd48178f5af916b000143b5052c5da06b84347dcb4ab4a388f5fead90e010d9b

  • 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

  • memory/340-134-0x0000000000000000-mapping.dmp

  • memory/400-137-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/400-132-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/1648-135-0x0000000000000000-mapping.dmp

  • memory/1648-142-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/1648-138-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/2152-147-0x0000000000000000-mapping.dmp

  • memory/2260-155-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2260-154-0x0000000000000000-mapping.dmp

  • memory/2260-158-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2260-157-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2376-146-0x0000000000000000-mapping.dmp

  • memory/3444-159-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/3444-152-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/3444-148-0x0000000000000000-mapping.dmp

  • memory/3496-143-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/3496-139-0x0000000000000000-mapping.dmp

  • memory/3496-151-0x00000000753C0000-0x0000000075971000-memory.dmp

    Filesize

    5.7MB

  • memory/4248-161-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4248-160-0x0000000000000000-mapping.dmp

  • memory/4248-163-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4248-165-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4516-133-0x0000000000000000-mapping.dmp