Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    24/01/2024, 14:26

General

  • Target
    FCC1EBC0FB18420654C7F80097AA5BC7.exe
  • Size 4.8MB
  • Sample240124-rrt5fscef8
  • SHA256 f61bd5315d71bbd27f704ce063f970dd2e3131e5484ecd940c5b14a74d08c620
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect ZGRat V1 9 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Creates new service(s) 1 TTPs
  • Stops running service(s) 3 TTPs
  • Executes dropped EXE 3 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.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Drops file in Windows directory 1 IoCs
  • Launches sc.exe 9 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:420
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:468
      • C:\Windows\system32\lsass.exe
        C:\Windows\system32\lsass.exe
        1⤵
          PID:476
        • C:\Users\Admin\AppData\Local\Temp\FCC1EBC0FB18420654C7F80097AA5BC7.exe
          "C:\Users\Admin\AppData\Local\Temp\FCC1EBC0FB18420654C7F80097AA5BC7.exe"
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2236
          • C:\Users\Admin\AppData\Local\Temp\ca.exe
            "C:\Users\Admin\AppData\Local\Temp\ca.exe"
            2⤵
            • Executes dropped EXE
            • Drops file in System32 directory
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2056
            • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
              C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
              3⤵
              • Drops file in System32 directory
              • Suspicious use of AdjustPrivilegeToken
              PID:520
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe stop UsoSvc
              3⤵
              • Launches sc.exe
              PID:2780
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2764
              • C:\Windows\system32\wusa.exe
                wusa /uninstall /kb:890830 /quiet /norestart
                4⤵
                • Drops file in Windows directory
                PID:1664
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe stop WaaSMedicSvc
              3⤵
              • Launches sc.exe
              PID:1656
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe stop bits
              3⤵
              • Launches sc.exe
              PID:3064
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe stop wuauserv
              3⤵
              • Launches sc.exe
              PID:1612
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe stop dosvc
              3⤵
              • Launches sc.exe
              PID:2944
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe delete "SOOGNLYX"
              3⤵
              • Launches sc.exe
              PID:2652
            • C:\Windows\system32\dialer.exe
              C:\Windows\system32\dialer.exe
              3⤵
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:2160
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe create "SOOGNLYX" binpath= "C:\ProgramData\hqrksrpxxvxo\ucdmcsniqgkb.exe" start= "auto"
              3⤵
              • Launches sc.exe
              PID:1968
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe start "SOOGNLYX"
              3⤵
              • Launches sc.exe
              PID:3004
            • C:\Windows\system32\sc.exe
              C:\Windows\system32\sc.exe stop eventlog
              3⤵
              • Launches sc.exe
              PID:396
          • C:\Users\Admin\AppData\Local\Temp\providerbrowsersession.exe
            "C:\Users\Admin\AppData\Local\Temp\providerbrowsersession.exe"
            2⤵
            • Executes dropped EXE
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2984
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\cAQJnNDU2P.bat"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2720
              • C:\Windows\system32\chcp.com
                chcp 65001
                4⤵
                  PID:2844
                • C:\Windows\system32\PING.EXE
                  ping -n 10 localhost
                  4⤵
                  • Runs ping.exe
                  PID:2560
                • C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\csrss.exe
                  "C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\csrss.exe"
                  4⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2124

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                csrss.exe

                • Path C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\csrss.exe
                • Size 2.0MB
                • SHA256 1987b6ca5304512d05830acd546e45b339b969d6cff0a6dda9c5aebcea05a1f5
                • MD5 SHA1 SHA512 SSDEEP

                cAQJnNDU2P.bat

                • Path C:\Users\Admin\AppData\Local\Temp\cAQJnNDU2P.bat
                • Size 200B
                • SHA256 d7b6600c38e77d77649444a6b8751ebe4f0da83d79cb6e1cc7c6fab51dce058a
                • MD5 SHA1 SHA512

                ca.exe

                • Path C:\Users\Admin\AppData\Local\Temp\ca.exe
                • Size 2.8MB
                • SHA256 d02b501f57f67ab7373434cfb6dada893598a9ef915d5070129e657f1367798f
                • MD5 SHA1 SHA512 SSDEEP

                ca.exe

                • Path C:\Users\Admin\AppData\Local\Temp\ca.exe
                • Size 1.1MB
                • SHA256 7ee26d9665cd9b83b4c1cfcb38a3c705a78e6e8ea45e18a1f5e817ca03fd8c40
                • MD5 SHA1 SHA512 SSDEEP

                ca.exe

                • Path C:\Users\Admin\AppData\Local\Temp\ca.exe
                • Size 934KB
                • SHA256 260b5c2975c670a252bc405a3e246970feb73b7be5a80023e020dc8270457be6
                • MD5 SHA1 SHA512 SSDEEP

                providerbrowsersession.exe

                • Path C:\Users\Admin\AppData\Local\Temp\providerbrowsersession.exe
                • Size 879KB
                • SHA256 88b2b94c73c2ac1d0042c9f35205f3fee6d067a6acdbb7f421b58dd409560462
                • MD5 SHA1 SHA512 SSDEEP

                providerbrowsersession.exe

                • Path C:\Users\Admin\AppData\Local\Temp\providerbrowsersession.exe
                • Size 876KB
                • SHA256 80896161deb738977d37b2f52b521b6fafe9b7631696ead240eea8b6db40af29
                • MD5 SHA1 SHA512 SSDEEP

                providerbrowsersession.exe

                • Path C:\Users\Admin\AppData\Local\Temp\providerbrowsersession.exe
                • Size 958KB
                • SHA256 87a68b17290dc8cf1ce6843b2a7e61372261bdea1440e333c3a510c87fa1eeed
                • MD5 SHA1 SHA512 SSDEEP

                ca.exe

                • Path \Users\Admin\AppData\Local\Temp\ca.exe
                • Size 2.2MB
                • SHA256 e9d11e1ad45b95207e160bc9601a7df891a4bbec91deba6ac0ad5fba11db3eea
                • MD5 SHA1 SHA512 SSDEEP

                ca.exe

                • Path \Users\Admin\AppData\Local\Temp\ca.exe
                • Size 1.5MB
                • SHA256 83f5949b7a677f2196ba8e1fbd8735d5c53026671efe96d3b399f8e5a346f516
                • MD5 SHA1 SHA512 SSDEEP

                providerbrowsersession.exe

                • Path \Users\Admin\AppData\Local\Temp\providerbrowsersession.exe
                • Size 783KB
                • SHA256 baf343b3c49c0fabcb78d04f4534b17fe951b5b2a81541f37a6ed494e13b45dd
                • MD5 SHA1 SHA512 SSDEEP

                providerbrowsersession.exe

                • Path \Users\Admin\AppData\Local\Temp\providerbrowsersession.exe
                • Size 618KB
                • SHA256 6c0d70cb7c6734001b1154ffe293f316ed459d884f19362183cac8e71ec26f2b
                • MD5 SHA1 SHA512 SSDEEP

                memory/420-139-0x00000000007D0000-0x00000000007FB000-memory.dmp

                memory/420-118-0x000007FEBD270000-0x000007FEBD280000-memory.dmp

                memory/420-119-0x0000000036F20000-0x0000000036F30000-memory.dmp

                memory/420-126-0x0000000076F31000-0x0000000076F32000-memory.dmp

                memory/420-122-0x00000000007D0000-0x00000000007FB000-memory.dmp

                memory/420-116-0x00000000007D0000-0x00000000007FB000-memory.dmp

                memory/420-113-0x00000000007A0000-0x00000000007C4000-memory.dmp

                memory/420-114-0x00000000007A0000-0x00000000007C4000-memory.dmp

                memory/468-134-0x0000000076F31000-0x0000000076F32000-memory.dmp

                memory/468-127-0x00000000001E0000-0x000000000020B000-memory.dmp

                memory/468-125-0x00000000001E0000-0x000000000020B000-memory.dmp

                memory/476-137-0x0000000000270000-0x000000000029B000-memory.dmp

                memory/476-131-0x0000000000270000-0x000000000029B000-memory.dmp

                memory/476-132-0x000007FEBD270000-0x000007FEBD280000-memory.dmp

                memory/476-133-0x0000000036F20000-0x0000000036F30000-memory.dmp

                memory/520-94-0x000007FEEDD10000-0x000007FEEE6AD000-memory.dmp

                memory/520-99-0x000007FEEDD10000-0x000007FEEE6AD000-memory.dmp

                memory/520-98-0x0000000002690000-0x0000000002710000-memory.dmp

                memory/520-93-0x0000000002330000-0x0000000002338000-memory.dmp

                memory/520-92-0x0000000002690000-0x0000000002710000-memory.dmp

                memory/520-96-0x0000000002690000-0x0000000002710000-memory.dmp

                memory/520-91-0x000007FEEDD10000-0x000007FEEE6AD000-memory.dmp

                memory/520-90-0x000000001B070000-0x000000001B352000-memory.dmp

                memory/2124-68-0x000000001A960000-0x000000001A9E0000-memory.dmp

                memory/2124-79-0x0000000076C70000-0x0000000076C71000-memory.dmp

                memory/2124-67-0x000000001A960000-0x000000001A9E0000-memory.dmp

                memory/2124-65-0x000007FEF4890000-0x000007FEF527C000-memory.dmp

                memory/2124-70-0x0000000076CB0000-0x0000000076CB1000-memory.dmp

                memory/2124-72-0x000000001A960000-0x000000001A9E0000-memory.dmp

                memory/2124-73-0x0000000076CA0000-0x0000000076CA1000-memory.dmp

                memory/2124-75-0x0000000076C90000-0x0000000076C91000-memory.dmp

                memory/2124-77-0x0000000076C80000-0x0000000076C81000-memory.dmp

                memory/2124-66-0x0000000000440000-0x0000000000441000-memory.dmp

                memory/2124-81-0x0000000076C60000-0x0000000076C61000-memory.dmp

                memory/2124-83-0x000007FEF4890000-0x000007FEF527C000-memory.dmp

                memory/2124-84-0x0000000076C50000-0x0000000076C51000-memory.dmp

                memory/2124-89-0x000000001A960000-0x000000001A9E0000-memory.dmp

                memory/2124-64-0x0000000000B60000-0x0000000000D5E000-memory.dmp

                memory/2124-157-0x000000001A960000-0x000000001A9E0000-memory.dmp

                memory/2124-156-0x000000001A960000-0x000000001A9E0000-memory.dmp

                memory/2124-97-0x000000001A960000-0x000000001A9E0000-memory.dmp

                memory/2124-95-0x000000001A960000-0x000000001A9E0000-memory.dmp

                memory/2160-105-0x0000000140000000-0x000000014002B000-memory.dmp

                memory/2160-107-0x0000000076EE0000-0x0000000077089000-memory.dmp

                memory/2160-138-0x0000000076EE0000-0x0000000077089000-memory.dmp

                memory/2160-110-0x0000000140000000-0x000000014002B000-memory.dmp

                memory/2160-103-0x0000000140000000-0x000000014002B000-memory.dmp

                memory/2160-102-0x0000000140000000-0x000000014002B000-memory.dmp

                memory/2160-101-0x0000000140000000-0x000000014002B000-memory.dmp

                memory/2160-100-0x0000000140000000-0x000000014002B000-memory.dmp

                memory/2160-109-0x0000000076DC0000-0x0000000076EDF000-memory.dmp

                memory/2236-16-0x0000000000400000-0x00000000008D1000-memory.dmp

                memory/2984-36-0x0000000076C70000-0x0000000076C71000-memory.dmp

                memory/2984-29-0x0000000000430000-0x000000000044C000-memory.dmp

                memory/2984-43-0x0000000000480000-0x000000000048C000-memory.dmp

                memory/2984-41-0x0000000000470000-0x000000000047E000-memory.dmp

                memory/2984-38-0x00000000003A0000-0x00000000003B0000-memory.dmp

                memory/2984-61-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

                memory/2984-35-0x0000000076C80000-0x0000000076C81000-memory.dmp

                memory/2984-34-0x0000000000390000-0x000000000039E000-memory.dmp

                memory/2984-32-0x0000000076C90000-0x0000000076C91000-memory.dmp

                memory/2984-31-0x0000000000450000-0x0000000000468000-memory.dmp

                memory/2984-27-0x0000000076CA0000-0x0000000076CA1000-memory.dmp

                memory/2984-39-0x0000000076C60000-0x0000000076C61000-memory.dmp

                memory/2984-23-0x0000000076CB0000-0x0000000076CB1000-memory.dmp

                memory/2984-26-0x0000000000380000-0x000000000038E000-memory.dmp

                memory/2984-24-0x000000001AA40000-0x000000001AAC0000-memory.dmp

                memory/2984-22-0x000000001AA40000-0x000000001AAC0000-memory.dmp

                memory/2984-21-0x0000000000340000-0x0000000000341000-memory.dmp

                memory/2984-20-0x000000001AA40000-0x000000001AAC0000-memory.dmp

                memory/2984-45-0x0000000076C50000-0x0000000076C51000-memory.dmp

                memory/2984-19-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

                memory/2984-18-0x0000000000EB0000-0x00000000010AE000-memory.dmp

                memory/2984-44-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp