Analysis

  • max time kernel
    15s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 05:11

General

  • Target

    06fe771d38554d76d8062e77dbf7e3e7.exe

  • Size

    380KB

  • MD5

    06fe771d38554d76d8062e77dbf7e3e7

  • SHA1

    9b1e9b74f79e9ffafcf9bc05edad17fb2032ff00

  • SHA256

    8efb1e2bfe1fde6640feb7ce70f3235a9cd7f474cac06f2414aead965d107c69

  • SHA512

    6f657686fd867a7619bc903b6dc4201b9b2ee5501eb41c03b0cf8b5075043930c5cc591386df8cc564995400740944f144edc3b8f3b64501de09313a26bf2e18

  • SSDEEP

    6144:eMTi0+lfh+L5qe9T5q4GAFzWTBPMmC1UC6fOaIajXBmOWhvP0k2Nw:eMTi0uhMqe9ts2zWTpMmCG7B9mOWhvPV

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:496
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:480
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
          2⤵
            PID:240
          • C:\Windows\system32\sppsvc.exe
            C:\Windows\system32\sppsvc.exe
            2⤵
              PID:944
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
              2⤵
                PID:2112
              • C:\Windows\system32\taskhost.exe
                "taskhost.exe"
                2⤵
                  PID:1196
                • C:\Windows\System32\spoolsv.exe
                  C:\Windows\System32\spoolsv.exe
                  2⤵
                    PID:976
                  • 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 LocalService
                      2⤵
                        PID:992
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        2⤵
                          PID:844
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          2⤵
                            PID:820
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                            2⤵
                              PID:768
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k RPCSS
                              2⤵
                                PID:676
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k DcomLaunch
                                2⤵
                                  PID:604
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                1⤵
                                  PID:1336
                                • C:\Windows\Explorer.EXE
                                  C:\Windows\Explorer.EXE
                                  1⤵
                                    PID:1312
                                    • C:\Users\Admin\AppData\Local\Temp\06fe771d38554d76d8062e77dbf7e3e7.exe
                                      "C:\Users\Admin\AppData\Local\Temp\06fe771d38554d76d8062e77dbf7e3e7.exe"
                                      2⤵
                                      • Loads dropped DLL
                                      • Suspicious use of WriteProcessMemory
                                      PID:2316
                                  • C:\Windows\system32\Dwm.exe
                                    "C:\Windows\system32\Dwm.exe"
                                    1⤵
                                      PID:1280
                                    • C:\Windows\SysWOW64\svchost.exe
                                      C:\Windows\system32\svchost.exe
                                      1⤵
                                      • Modifies WinLogon for persistence
                                      • Drops file in System32 directory
                                      • Drops file in Program Files directory
                                      PID:2868
                                    • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                      1⤵
                                      • Executes dropped EXE
                                      • Suspicious behavior: EnumeratesProcesses
                                      • Suspicious use of AdjustPrivilegeToken
                                      • Suspicious use of UnmapMainImage
                                      • Suspicious use of WriteProcessMemory
                                      PID:3028
                                      • C:\Windows\SysWOW64\svchost.exe
                                        C:\Windows\system32\svchost.exe
                                        2⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        • Suspicious use of AdjustPrivilegeToken
                                        • Suspicious use of WriteProcessMemory
                                        PID:2532
                                    • C:\Users\Admin\AppData\Local\Temp\06fe771d38554d76d8062e77dbf7e3e7mgr.exe
                                      C:\Users\Admin\AppData\Local\Temp\06fe771d38554d76d8062e77dbf7e3e7mgr.exe
                                      1⤵
                                      • Executes dropped EXE
                                      • Loads dropped DLL
                                      • Drops file in Program Files directory
                                      • Suspicious use of UnmapMainImage
                                      • Suspicious use of WriteProcessMemory
                                      PID:2216
                                    • C:\Windows\system32\lsm.exe
                                      C:\Windows\system32\lsm.exe
                                      1⤵
                                        PID:504
                                      • C:\Windows\system32\winlogon.exe
                                        winlogon.exe
                                        1⤵
                                          PID:436
                                        • 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:400
                                          • C:\Windows\system32\wininit.exe
                                            wininit.exe
                                            1⤵
                                              PID:384
                                            • 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:336
                                              • C:\Windows\System32\smss.exe
                                                \SystemRoot\System32\smss.exe
                                                1⤵
                                                  PID:260

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                • memory/2216-22-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/2216-19-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/2216-30-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/2216-10-0x0000000000400000-0x000000000042B000-memory.dmp

                                                  Filesize

                                                  172KB

                                                • memory/2216-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/2216-17-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/2216-18-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/2216-20-0x0000000000140000-0x0000000000141000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2216-21-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/2316-0-0x0000000000400000-0x0000000000460000-memory.dmp

                                                  Filesize

                                                  384KB

                                                • memory/2316-9-0x0000000000240000-0x000000000026B000-memory.dmp

                                                  Filesize

                                                  172KB

                                                • memory/2316-16-0x0000000000400000-0x0000000000460000-memory.dmp

                                                  Filesize

                                                  384KB

                                                • memory/2532-93-0x0000000000100000-0x0000000000101000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2532-92-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB

                                                • memory/2532-76-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB

                                                • memory/2532-85-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB

                                                • memory/2532-89-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB

                                                • memory/2532-90-0x00000000000F0000-0x00000000000F1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2532-91-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB

                                                • memory/2532-98-0x0000000077990000-0x0000000077991000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2532-94-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB

                                                • memory/2868-48-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/2868-57-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/2868-63-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2868-577-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/2868-65-0x0000000000080000-0x0000000000081000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2868-62-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/2868-66-0x0000000000090000-0x0000000000091000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2868-50-0x0000000000080000-0x0000000000081000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2868-70-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/3028-44-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/3028-268-0x0000000000060000-0x0000000000061000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/3028-270-0x0000000077990000-0x0000000077991000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/3028-265-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/3028-47-0x000000007798F000-0x0000000077990000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/3028-35-0x0000000000400000-0x000000000042B000-memory.dmp

                                                  Filesize

                                                  172KB

                                                • memory/3028-43-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/3028-74-0x0000000000060000-0x0000000000061000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/3028-428-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/3028-45-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB