Analysis

  • max time kernel
    1800s
  • max time network
    1794s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    29-06-2022 00:55

General

  • Target

    0dee353f6f444308b83d9be0f0d1a49db6b9b35962c0afd5a785ef2cbc018d78.exe

  • Size

    107KB

  • MD5

    0a7135dfdb1bd11de9ce5b3f18fc24af

  • SHA1

    7b3afbbc6d639ec0419be1ce9f7d27e3978db290

  • SHA256

    0dee353f6f444308b83d9be0f0d1a49db6b9b35962c0afd5a785ef2cbc018d78

  • SHA512

    dd88227dd1cee7f28ec5a9c287f2ca28cc4f08b771618ab48b2cbe4f0cad579e45b58d73ab2243e4e45c54c57ec601ce9766ff43a10130dacc40228600b9f66d

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • suricata: ET MALWARE Win32.ServStart.D Checkin

    suricata: ET MALWARE Win32.ServStart.D Checkin

  • suricata: ET MALWARE [PTsecurity] Botnet Nitol.B Checkin

    suricata: ET MALWARE [PTsecurity] Botnet Nitol.B Checkin

  • Executes dropped EXE 3 IoCs
  • UPX packed file 13 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Drops file in Windows directory 4 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:472
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:460
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k RPCSS
          2⤵
            PID:652
          • C:\Windows\system32\taskhost.exe
            "taskhost.exe"
            2⤵
              PID:1192
            • C:\Windows\system32\sppsvc.exe
              C:\Windows\system32\sppsvc.exe
              2⤵
                PID:1704
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                2⤵
                  PID:1624
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                  2⤵
                    PID:1028
                  • C:\Windows\System32\spoolsv.exe
                    C:\Windows\System32\spoolsv.exe
                    2⤵
                      PID:284
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k NetworkService
                      2⤵
                        PID:300
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        2⤵
                          PID:864
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          2⤵
                            PID:840
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            2⤵
                              PID:792
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                              2⤵
                                PID:740
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k DcomLaunch
                                2⤵
                                  PID:576
                                • C:\Windows\caycwq.exe
                                  C:\Windows\caycwq.exe
                                  2⤵
                                  • Executes dropped EXE
                                  • Drops file in Windows directory
                                  • Checks processor information in registry
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious behavior: MapViewOfSection
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:1056
                                  • C:\Windows\caycwqSrv.exe
                                    C:\Windows\caycwqSrv.exe
                                    3⤵
                                    • Executes dropped EXE
                                    • Drops file in Program Files directory
                                    • Drops file in Windows directory
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:1900
                              • C:\Windows\system32\winlogon.exe
                                winlogon.exe
                                1⤵
                                  PID:416
                                • C:\Windows\system32\csrss.exe
                                  %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
                                  1⤵
                                    PID:376
                                  • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                    wmiadap.exe /F /T /R
                                    1⤵
                                      PID:1124
                                    • C:\Windows\Explorer.EXE
                                      C:\Windows\Explorer.EXE
                                      1⤵
                                        PID:1344
                                        • C:\Users\Admin\AppData\Local\Temp\0dee353f6f444308b83d9be0f0d1a49db6b9b35962c0afd5a785ef2cbc018d78.exe
                                          "C:\Users\Admin\AppData\Local\Temp\0dee353f6f444308b83d9be0f0d1a49db6b9b35962c0afd5a785ef2cbc018d78.exe"
                                          2⤵
                                          • Loads dropped DLL
                                          • Drops file in System32 directory
                                          • Drops file in Windows directory
                                          • Suspicious behavior: EnumeratesProcesses
                                          • Suspicious behavior: MapViewOfSection
                                          • Suspicious use of AdjustPrivilegeToken
                                          • Suspicious use of WriteProcessMemory
                                          PID:1504
                                          • C:\Users\Admin\AppData\Local\Temp\0dee353f6f444308b83d9be0f0d1a49db6b9b35962c0afd5a785ef2cbc018d78Srv.exe
                                            C:\Users\Admin\AppData\Local\Temp\0dee353f6f444308b83d9be0f0d1a49db6b9b35962c0afd5a785ef2cbc018d78Srv.exe
                                            3⤵
                                            • Executes dropped EXE
                                            • Drops file in Program Files directory
                                            PID:1096
                                      • C:\Windows\system32\Dwm.exe
                                        "C:\Windows\system32\Dwm.exe"
                                        1⤵
                                          PID:1284
                                        • C:\Windows\system32\lsm.exe
                                          C:\Windows\system32\lsm.exe
                                          1⤵
                                            PID:480
                                          • C:\Windows\system32\wininit.exe
                                            wininit.exe
                                            1⤵
                                              PID:368

                                            Network

                                            MITRE ATT&CK Matrix ATT&CK v6

                                            Discovery

                                            Query Registry

                                            1
                                            T1012

                                            System Information Discovery

                                            1
                                            T1082

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • C:\PROGRAM FILES (X86)\MICROSOFT\DESKTOPLAYER.EXE
                                              Filesize

                                              55KB

                                              MD5

                                              ff5e1f27193ce51eec318714ef038bef

                                              SHA1

                                              b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

                                              SHA256

                                              fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

                                              SHA512

                                              c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

                                            • C:\Users\Admin\AppData\Local\Temp\0dee353f6f444308b83d9be0f0d1a49db6b9b35962c0afd5a785ef2cbc018d78Srv.exe
                                              Filesize

                                              55KB

                                              MD5

                                              ff5e1f27193ce51eec318714ef038bef

                                              SHA1

                                              b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

                                              SHA256

                                              fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

                                              SHA512

                                              c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

                                            • C:\Users\Admin\AppData\Local\Temp\0dee353f6f444308b83d9be0f0d1a49db6b9b35962c0afd5a785ef2cbc018d78Srv.exe
                                              Filesize

                                              55KB

                                              MD5

                                              ff5e1f27193ce51eec318714ef038bef

                                              SHA1

                                              b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

                                              SHA256

                                              fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

                                              SHA512

                                              c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

                                            • C:\WINDOWS\CAYCWQ.EXE
                                              Filesize

                                              107KB

                                              MD5

                                              0a7135dfdb1bd11de9ce5b3f18fc24af

                                              SHA1

                                              7b3afbbc6d639ec0419be1ce9f7d27e3978db290

                                              SHA256

                                              0dee353f6f444308b83d9be0f0d1a49db6b9b35962c0afd5a785ef2cbc018d78

                                              SHA512

                                              dd88227dd1cee7f28ec5a9c287f2ca28cc4f08b771618ab48b2cbe4f0cad579e45b58d73ab2243e4e45c54c57ec601ce9766ff43a10130dacc40228600b9f66d

                                            • C:\WINDOWS\CAYCWQSRV.EXE
                                              Filesize

                                              55KB

                                              MD5

                                              ff5e1f27193ce51eec318714ef038bef

                                              SHA1

                                              b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

                                              SHA256

                                              fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

                                              SHA512

                                              c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

                                            • C:\Windows\caycwq.exe
                                              Filesize

                                              107KB

                                              MD5

                                              0a7135dfdb1bd11de9ce5b3f18fc24af

                                              SHA1

                                              7b3afbbc6d639ec0419be1ce9f7d27e3978db290

                                              SHA256

                                              0dee353f6f444308b83d9be0f0d1a49db6b9b35962c0afd5a785ef2cbc018d78

                                              SHA512

                                              dd88227dd1cee7f28ec5a9c287f2ca28cc4f08b771618ab48b2cbe4f0cad579e45b58d73ab2243e4e45c54c57ec601ce9766ff43a10130dacc40228600b9f66d

                                            • C:\Windows\caycwqSrv.exe
                                              Filesize

                                              55KB

                                              MD5

                                              ff5e1f27193ce51eec318714ef038bef

                                              SHA1

                                              b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

                                              SHA256

                                              fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

                                              SHA512

                                              c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

                                            • \Users\Admin\AppData\Local\Temp\0dee353f6f444308b83d9be0f0d1a49db6b9b35962c0afd5a785ef2cbc018d78Srv.exe
                                              Filesize

                                              55KB

                                              MD5

                                              ff5e1f27193ce51eec318714ef038bef

                                              SHA1

                                              b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

                                              SHA256

                                              fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

                                              SHA512

                                              c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

                                            • memory/1056-77-0x0000000000220000-0x000000000024E000-memory.dmp
                                              Filesize

                                              184KB

                                            • memory/1056-76-0x0000000000400000-0x0000000000427000-memory.dmp
                                              Filesize

                                              156KB

                                            • memory/1056-74-0x0000000000220000-0x000000000024E000-memory.dmp
                                              Filesize

                                              184KB

                                            • memory/1056-73-0x0000000000400000-0x0000000000427000-memory.dmp
                                              Filesize

                                              156KB

                                            • memory/1096-60-0x0000000000400000-0x000000000042E000-memory.dmp
                                              Filesize

                                              184KB

                                            • memory/1096-61-0x000000007EFA0000-0x000000007EFAC000-memory.dmp
                                              Filesize

                                              48KB

                                            • memory/1096-56-0x0000000000000000-mapping.dmp
                                            • memory/1504-71-0x0000000000400000-0x0000000000427000-memory.dmp
                                              Filesize

                                              156KB

                                            • memory/1504-72-0x000000007EF90000-0x000000007EF9C000-memory.dmp
                                              Filesize

                                              48KB

                                            • memory/1504-54-0x0000000076561000-0x0000000076563000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/1900-70-0x000000007EFA0000-0x000000007EFAC000-memory.dmp
                                              Filesize

                                              48KB

                                            • memory/1900-69-0x0000000000400000-0x000000000042E000-memory.dmp
                                              Filesize

                                              184KB

                                            • memory/1900-64-0x0000000000000000-mapping.dmp