Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14/03/2024, 00:47

General

  • Target

    f727bf0b0632f3fe96a6c2acb8d3c5b1648f8c219e3dd01c81c5a6e5423796ae.dll

  • Size

    2.6MB

  • MD5

    a7ca6e19d542ff70f54e146cb0d93d79

  • SHA1

    3b9b420e4f60914caeabf7a273346996f66e5c93

  • SHA256

    f727bf0b0632f3fe96a6c2acb8d3c5b1648f8c219e3dd01c81c5a6e5423796ae

  • SHA512

    f0b73ed2c3d2188b3daf519147c4383d84a2d1c36be5a9512f4c32897ba70d3c6b6f2a29f29a494a76cb66cb1fff08d7d64ad273f50e3f37a8a9569287b85de5

  • SSDEEP

    49152:+IUtVDYhD+MnjnTe8fgFoTp/kzg8YTys4EB15pthr8yD73j96Ae:zUDU/jnTecRVeg8DjEB1/zvDX96

Malware Config

Signatures

  • Ramnit

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

  • UPX dump on OEP (original entry point) 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\wininit.exe
    wininit.exe
    1⤵
      PID:372
      • C:\Windows\system32\services.exe
        C:\Windows\system32\services.exe
        2⤵
          PID:464
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch
            3⤵
              PID:600
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                4⤵
                  PID:764
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k RPCSS
                3⤵
                  PID:684
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                  3⤵
                    PID:768
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                    3⤵
                      PID:816
                      • C:\Windows\system32\Dwm.exe
                        "C:\Windows\system32\Dwm.exe"
                        4⤵
                          PID:1188
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        3⤵
                          PID:844
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          3⤵
                            PID:968
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k NetworkService
                            3⤵
                              PID:276
                            • C:\Windows\System32\spoolsv.exe
                              C:\Windows\System32\spoolsv.exe
                              3⤵
                                PID:908
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                3⤵
                                  PID:1080
                                • C:\Windows\system32\taskhost.exe
                                  "taskhost.exe"
                                  3⤵
                                    PID:1112
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                    3⤵
                                      PID:2064
                                    • C:\Windows\system32\sppsvc.exe
                                      C:\Windows\system32\sppsvc.exe
                                      3⤵
                                        PID:2352
                                    • C:\Windows\system32\lsass.exe
                                      C:\Windows\system32\lsass.exe
                                      2⤵
                                        PID:480
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:488
                                      • 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:380
                                        • C:\Windows\system32\winlogon.exe
                                          winlogon.exe
                                          1⤵
                                            PID:420
                                          • C:\Windows\Explorer.EXE
                                            C:\Windows\Explorer.EXE
                                            1⤵
                                              PID:1216
                                              • C:\Windows\system32\rundll32.exe
                                                rundll32.exe C:\Users\Admin\AppData\Local\Temp\f727bf0b0632f3fe96a6c2acb8d3c5b1648f8c219e3dd01c81c5a6e5423796ae.dll,#1
                                                2⤵
                                                • Suspicious use of WriteProcessMemory
                                                PID:2748
                                                • C:\Windows\SysWOW64\rundll32.exe
                                                  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f727bf0b0632f3fe96a6c2acb8d3c5b1648f8c219e3dd01c81c5a6e5423796ae.dll,#1
                                                  3⤵
                                                  • Loads dropped DLL
                                                  • Drops file in System32 directory
                                                  • Suspicious use of SetWindowsHookEx
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:320
                                                  • C:\Windows\SysWOW64\rundll32Srv.exe
                                                    C:\Windows\SysWOW64\rundll32Srv.exe
                                                    4⤵
                                                    • Executes dropped EXE
                                                    • Drops file in Program Files directory
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious behavior: MapViewOfSection
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:2548

                                            Network

                                                  MITRE ATT&CK Matrix

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • \Windows\SysWOW64\rundll32Srv.exe

                                                    Filesize

                                                    84KB

                                                    MD5

                                                    d105024666fce5e3ea84b1ad32c80fc6

                                                    SHA1

                                                    0114a2a0a254fe477c7a01274ed4b11f88b9d425

                                                    SHA256

                                                    e9f7abdabf7c1e1e597cb402ebaab5033a481e54b917095032486e7d825bb151

                                                    SHA512

                                                    ecf42cba45e36dfa921de688f27e1f411b503ad8d9555e58ae230fc1a266f18fed9a2454e8870b84f79ee6edfe67fbd99cb7973ab5296c3a8fc97e4f6f913a11

                                                  • memory/320-3-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

                                                    Filesize

                                                    3.8MB

                                                  • memory/320-2-0x0000000010000000-0x0000000010A31000-memory.dmp

                                                    Filesize

                                                    10.2MB

                                                  • memory/320-0-0x0000000010000000-0x0000000010A31000-memory.dmp

                                                    Filesize

                                                    10.2MB

                                                  • memory/320-4-0x0000000010000000-0x0000000010A31000-memory.dmp

                                                    Filesize

                                                    10.2MB

                                                  • memory/320-7-0x0000000000210000-0x0000000000246000-memory.dmp

                                                    Filesize

                                                    216KB

                                                  • memory/320-1-0x0000000010000000-0x0000000010A31000-memory.dmp

                                                    Filesize

                                                    10.2MB

                                                  • memory/320-16-0x000000007EBC0000-0x000000007EBCC000-memory.dmp

                                                    Filesize

                                                    48KB

                                                  • memory/2548-18-0x0000000000400000-0x0000000000436000-memory.dmp

                                                    Filesize

                                                    216KB

                                                  • memory/2548-17-0x0000000000300000-0x000000000030F000-memory.dmp

                                                    Filesize

                                                    60KB

                                                  • memory/2548-14-0x000000007767F000-0x0000000077680000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2548-13-0x0000000077680000-0x0000000077681000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2548-11-0x0000000000400000-0x0000000000436000-memory.dmp

                                                    Filesize

                                                    216KB