Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2023 15:22

General

  • Target

    28fbf26d76059fb5f277eaae5b7f894b.exe

  • Size

    644KB

  • MD5

    28fbf26d76059fb5f277eaae5b7f894b

  • SHA1

    8bf8f4ccadd44da372359a31598856e187dc5b1f

  • SHA256

    97b1a0a2a2f05f22c3f9ac4152e34ad4d629c577ea9425020d5f8ce204d583d0

  • SHA512

    2db87c5f04edbfee71575ca045dd96e694e75b0c84a7400e01ba429af44987052d7b7b694bdbc5ef808b917d1f39d6ab6f521b40d895e3c1d8da938450800660

  • SSDEEP

    12288:q0wKEpZHDQi7vhMgWMzU9l9fDWmSsLbpnHrM8DoiQQWpH3UMQ9fp6zgJGE0:1Ejki75MTSCaaLbpnQ/zpU9ozMa

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    secure.emailsrvr.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Wako2j22#

Signatures

  • HawkEye

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 3 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:376
    • C:\Users\Admin\AppData\Local\Temp\28fbf26d76059fb5f277eaae5b7f894b.exe
      "C:\Users\Admin\AppData\Local\Temp\28fbf26d76059fb5f277eaae5b7f894b.exe"
      1⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5068
      • C:\Users\Admin\AppData\Local\Temp\28fbf26d76059fb5f277eaae5b7f894b.exe
        "C:\Users\Admin\AppData\Local\Temp\28fbf26d76059fb5f277eaae5b7f894b.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1988
        • 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"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:4712
        • 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"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2644
    • C:\Windows\system32\backgroundTaskHost.exe
      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
      1⤵
        PID:1824
      • C:\Windows\system32\backgroundTaskHost.exe
        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
        1⤵
          PID:2932
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
          1⤵
            PID:4564
          • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
            "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
            1⤵
              PID:4496
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:4520
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                1⤵
                  PID:1960
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                  1⤵
                    PID:2832
                  • C:\Windows\Explorer.EXE
                    C:\Windows\Explorer.EXE
                    1⤵
                      PID:3512
                    • C:\Windows\System32\svchost.exe
                      C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                      1⤵
                        PID:2400
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                        1⤵
                          PID:1772
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                          1⤵
                            PID:1756
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                            1⤵
                              PID:1364
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                              1⤵
                                PID:1168
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                1⤵
                                  PID:1156
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                  1⤵
                                    PID:960
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:780
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:772

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/1988-101-0x0000000001B70000-0x0000000001B80000-memory.dmp

                                        Filesize

                                        64KB

                                      • memory/1988-99-0x0000000001B70000-0x0000000001B80000-memory.dmp

                                        Filesize

                                        64KB

                                      • memory/1988-72-0x0000000001B70000-0x0000000001B80000-memory.dmp

                                        Filesize

                                        64KB

                                      • memory/1988-74-0x0000000074890000-0x0000000074E41000-memory.dmp

                                        Filesize

                                        5.7MB

                                      • memory/1988-100-0x0000000074890000-0x0000000074E41000-memory.dmp

                                        Filesize

                                        5.7MB

                                      • memory/1988-93-0x0000000074890000-0x0000000074E41000-memory.dmp

                                        Filesize

                                        5.7MB

                                      • memory/1988-63-0x0000000074890000-0x0000000074E41000-memory.dmp

                                        Filesize

                                        5.7MB

                                      • memory/1988-13-0x0000000000400000-0x0000000000484000-memory.dmp

                                        Filesize

                                        528KB

                                      • memory/2644-87-0x0000000000400000-0x0000000000458000-memory.dmp

                                        Filesize

                                        352KB

                                      • memory/2644-98-0x0000000000400000-0x0000000000458000-memory.dmp

                                        Filesize

                                        352KB

                                      • memory/2644-94-0x0000000000400000-0x0000000000458000-memory.dmp

                                        Filesize

                                        352KB

                                      • memory/2644-89-0x0000000000400000-0x0000000000458000-memory.dmp

                                        Filesize

                                        352KB

                                      • memory/4712-81-0x0000000000400000-0x000000000041B000-memory.dmp

                                        Filesize

                                        108KB

                                      • memory/4712-85-0x0000000000400000-0x000000000041B000-memory.dmp

                                        Filesize

                                        108KB

                                      • memory/4712-83-0x0000000000400000-0x000000000041B000-memory.dmp

                                        Filesize

                                        108KB

                                      • memory/5068-0-0x0000000074890000-0x0000000074E41000-memory.dmp

                                        Filesize

                                        5.7MB

                                      • memory/5068-78-0x0000000074890000-0x0000000074E41000-memory.dmp

                                        Filesize

                                        5.7MB

                                      • memory/5068-77-0x0000000072290000-0x00000000722BE000-memory.dmp

                                        Filesize

                                        184KB

                                      • memory/5068-75-0x0000000072290000-0x00000000722BE000-memory.dmp

                                        Filesize

                                        184KB

                                      • memory/5068-1-0x0000000074890000-0x0000000074E41000-memory.dmp

                                        Filesize

                                        5.7MB

                                      • memory/5068-2-0x0000000000760000-0x0000000000770000-memory.dmp

                                        Filesize

                                        64KB