Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/04/2024, 14:36

General

  • Target
    4AFAF34462AEF2025EEEA79643032432.exe
  • Size 2.6MB
  • Sample240428-ryj8tsab91
  • SHA256 e76ef27047a9299a7c1a2cc8f33c16342f698cf55fbf85b088841f8a2a1015b7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Detect ZGRat V1 2 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 7 IoCs

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

  • Executes dropped EXE 7 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 7 IoCs
  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4AFAF34462AEF2025EEEA79643032432.exe
    "C:\Users\Admin\AppData\Local\Temp\4AFAF34462AEF2025EEEA79643032432.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\0b9wHtOVaS.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4584
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:1884
        • C:\Windows\system32\w32tm.exe
          w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
          3⤵
            PID:3996
          • C:\Program Files\Internet Explorer\smss.exe
            "C:\Program Files\Internet Explorer\smss.exe"
            3⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1452
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\WuqrHCDFSV.bat"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1684
              • C:\Windows\system32\chcp.com
                chcp 65001
                5⤵
                  PID:4140
                • C:\Windows\system32\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:1796
                • C:\Program Files\Internet Explorer\smss.exe
                  "C:\Program Files\Internet Explorer\smss.exe"
                  5⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Modifies registry class
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:4592
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\WLOEqHw6cP.bat"
                    6⤵
                    • Suspicious use of WriteProcessMemory
                    PID:752
                    • C:\Windows\system32\chcp.com
                      chcp 65001
                      7⤵
                        PID:4820
                      • C:\Windows\system32\PING.EXE
                        ping -n 10 localhost
                        7⤵
                        • Runs ping.exe
                        PID:2088
                      • C:\Program Files\Internet Explorer\smss.exe
                        "C:\Program Files\Internet Explorer\smss.exe"
                        7⤵
                        • Checks computer location settings
                        • Executes dropped EXE
                        • Modifies registry class
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        PID:2156
                        • C:\Windows\System32\cmd.exe
                          "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\KtA3LkY0CV.bat"
                          8⤵
                          • Suspicious use of WriteProcessMemory
                          PID:884
                          • C:\Windows\system32\chcp.com
                            chcp 65001
                            9⤵
                              PID:2188
                            • C:\Windows\system32\w32tm.exe
                              w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
                              9⤵
                                PID:3052
                              • C:\Program Files\Internet Explorer\smss.exe
                                "C:\Program Files\Internet Explorer\smss.exe"
                                9⤵
                                • Checks computer location settings
                                • Executes dropped EXE
                                • Modifies registry class
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                PID:860
                                • C:\Windows\System32\cmd.exe
                                  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\URBaIgEX4g.bat"
                                  10⤵
                                  • Suspicious use of WriteProcessMemory
                                  PID:4624
                                  • C:\Windows\system32\chcp.com
                                    chcp 65001
                                    11⤵
                                      PID:1856
                                    • C:\Windows\system32\PING.EXE
                                      ping -n 10 localhost
                                      11⤵
                                      • Runs ping.exe
                                      PID:4348
                                    • C:\Program Files\Internet Explorer\smss.exe
                                      "C:\Program Files\Internet Explorer\smss.exe"
                                      11⤵
                                      • Checks computer location settings
                                      • Executes dropped EXE
                                      • Modifies registry class
                                      • Suspicious use of AdjustPrivilegeToken
                                      • Suspicious use of WriteProcessMemory
                                      PID:4228
                                      • C:\Windows\System32\cmd.exe
                                        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\zsJdcY9yPm.bat"
                                        12⤵
                                        • Suspicious use of WriteProcessMemory
                                        PID:4252
                                        • C:\Windows\system32\chcp.com
                                          chcp 65001
                                          13⤵
                                            PID:2968
                                          • C:\Windows\system32\w32tm.exe
                                            w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
                                            13⤵
                                              PID:4364
                                            • C:\Program Files\Internet Explorer\smss.exe
                                              "C:\Program Files\Internet Explorer\smss.exe"
                                              13⤵
                                              • Checks computer location settings
                                              • Executes dropped EXE
                                              • Modifies registry class
                                              • Suspicious use of AdjustPrivilegeToken
                                              • Suspicious use of WriteProcessMemory
                                              PID:3464
                                              • C:\Windows\System32\cmd.exe
                                                "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\lcphCLUtxr.bat"
                                                14⤵
                                                • Suspicious use of WriteProcessMemory
                                                PID:4796
                                                • C:\Windows\system32\chcp.com
                                                  chcp 65001
                                                  15⤵
                                                    PID:4408
                                                  • C:\Windows\system32\w32tm.exe
                                                    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
                                                    15⤵
                                                      PID:2424
                                                    • C:\Program Files\Internet Explorer\smss.exe
                                                      "C:\Program Files\Internet Explorer\smss.exe"
                                                      15⤵
                                                      • Executes dropped EXE
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:4608

                        Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              smss.exe.log

                              • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\smss.exe.log
                              • Size 1KB
                              • SHA256 b3962e6d42e27ef9361243e90b4d1aab348c15b2a592bf5d9fbf1fd95b5bed73
                              • MD5 SHA1 SHA512

                              0b9wHtOVaS.bat

                              • Path C:\Users\Admin\AppData\Local\Temp\0b9wHtOVaS.bat
                              • Size 219B
                              • SHA256 6411d0f42d7b057b80d6527d6e1be8619a3cd04b51d827a756aca8aa30b325b9
                              • MD5 SHA1 SHA512

                              KtA3LkY0CV.bat

                              • Path C:\Users\Admin\AppData\Local\Temp\KtA3LkY0CV.bat
                              • Size 219B
                              • SHA256 448e80f7214d02297bf09b72f6c55ec5dd8ffc72431903dfb4cf9aa7918f0f66
                              • MD5 SHA1 SHA512

                              URBaIgEX4g.bat

                              • Path C:\Users\Admin\AppData\Local\Temp\URBaIgEX4g.bat
                              • Size 171B
                              • SHA256 b10fe726d24d2ec9d3ecb9b9165367a59e377e8ff94024fae17a5761450192eb
                              • MD5 SHA1 SHA512

                              WLOEqHw6cP.bat

                              • Path C:\Users\Admin\AppData\Local\Temp\WLOEqHw6cP.bat
                              • Size 171B
                              • SHA256 61f8fef46529f953026fbd4619ccc59d25fb3bac96994a76b65997e8cad85e9c
                              • MD5 SHA1 SHA512

                              WuqrHCDFSV.bat

                              • Path C:\Users\Admin\AppData\Local\Temp\WuqrHCDFSV.bat
                              • Size 171B
                              • SHA256 cee66dcf57ce5f0989b3ad77a08089a3935460019f9ee257ecaa6fdd586cd1ea
                              • MD5 SHA1 SHA512

                              lcphCLUtxr.bat

                              • Path C:\Users\Admin\AppData\Local\Temp\lcphCLUtxr.bat
                              • Size 219B
                              • SHA256 a45f9d7e9658f3e5fc2e145c725af96b01ea979456ce2b4e0d29e877a95e8ee6
                              • MD5 SHA1 SHA512

                              zsJdcY9yPm.bat

                              • Path C:\Users\Admin\AppData\Local\Temp\zsJdcY9yPm.bat
                              • Size 219B
                              • SHA256 77f974bfb99f7a031048400a8273b73911052b5eec3919457c45d91f62d9c7aa
                              • MD5 SHA1 SHA512

                              StartMenuExperienceHost.exe

                              • Path C:\Users\Default\Desktop\StartMenuExperienceHost.exe
                              • Size 2.6MB
                              • SHA256 e76ef27047a9299a7c1a2cc8f33c16342f698cf55fbf85b088841f8a2a1015b7
                              • MD5 SHA1 SHA512 SSDEEP

                              memory/2684-27-0x0000000002BE0000-0x0000000002BEC000-memory.dmp

                              memory/2684-33-0x00007FFAF2AA0000-0x00007FFAF2AA1000-memory.dmp

                              memory/2684-13-0x00007FFAF2AE0000-0x00007FFAF2AE1000-memory.dmp

                              memory/2684-14-0x000000001B620000-0x000000001B670000-memory.dmp

                              memory/2684-16-0x0000000002BC0000-0x0000000002BD8000-memory.dmp

                              memory/2684-17-0x00007FFAF2AD0000-0x00007FFAF2AD1000-memory.dmp

                              memory/2684-19-0x0000000002B80000-0x0000000002B8E000-memory.dmp

                              memory/2684-20-0x00007FFAF2AC0000-0x00007FFAF2AC1000-memory.dmp

                              memory/2684-22-0x0000000002B90000-0x0000000002B9E000-memory.dmp

                              memory/2684-23-0x00007FFAF2AB0000-0x00007FFAF2AB1000-memory.dmp

                              memory/2684-25-0x0000000002C00000-0x0000000002C12000-memory.dmp

                              memory/2684-0-0x00000000006C0000-0x0000000000960000-memory.dmp

                              memory/2684-29-0x0000000002BF0000-0x0000000002C00000-memory.dmp

                              memory/2684-30-0x00007FFAD5290000-0x00007FFAD5D51000-memory.dmp

                              memory/2684-32-0x000000001BB10000-0x000000001BB6A000-memory.dmp

                              memory/2684-12-0x0000000002BA0000-0x0000000002BBC000-memory.dmp

                              memory/2684-35-0x0000000002C20000-0x0000000002C30000-memory.dmp

                              memory/2684-37-0x0000000002C30000-0x0000000002C3E000-memory.dmp

                              memory/2684-39-0x000000001BAD0000-0x000000001BAE8000-memory.dmp

                              memory/2684-41-0x000000001B670000-0x000000001B67C000-memory.dmp

                              memory/2684-8-0x00007FFAF2C10000-0x00007FFAF2CCE000-memory.dmp

                              memory/2684-60-0x00007FFAF2C10000-0x00007FFAF2CCE000-memory.dmp

                              memory/2684-59-0x00007FFAD5290000-0x00007FFAD5D51000-memory.dmp

                              memory/2684-9-0x00007FFAF2AF0000-0x00007FFAF2AF1000-memory.dmp

                              memory/2684-10-0x000000001B680000-0x000000001B690000-memory.dmp

                              memory/2684-7-0x00007FFAF2C10000-0x00007FFAF2CCE000-memory.dmp

                              memory/2684-6-0x0000000002B70000-0x0000000002B7E000-memory.dmp

                              memory/2684-4-0x000000001B680000-0x000000001B690000-memory.dmp

                              memory/2684-3-0x0000000001200000-0x0000000001201000-memory.dmp

                              memory/2684-2-0x000000001B680000-0x000000001B690000-memory.dmp

                              memory/2684-1-0x00007FFAD5290000-0x00007FFAD5D51000-memory.dmp

                              memory/3464-178-0x000000001D190000-0x000000001D231000-memory.dmp