Analysis

  • max time kernel
    29s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 01:30

General

  • Target

    66670c1c7c4058162f10aaa59215899915403c6011d4f22c4608e2f0629dfd61N.dll

  • Size

    240KB

  • MD5

    82947d76ce949ec52a410e2ea3936f90

  • SHA1

    7da0d70e64cfdaa9e56b05a3e15f0ecd6cf2e37e

  • SHA256

    66670c1c7c4058162f10aaa59215899915403c6011d4f22c4608e2f0629dfd61

  • SHA512

    f6f8514f910d4027af8d5fd091455faa65d39078d4814bd85cedb596de14bd1ba893402d943f9289778e674f4d9425ff90d8a3d344e98c032ca6358754e64784

  • SSDEEP

    3072:0n2PxxtAZZWW5QLBvBt0M1qCWzJP0ruTTBaClHpspom7ffrAmpU:MbZZ52LBf0dJ5TTBZbspom7bXO

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 4 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\wininit.exe
    wininit.exe
    1⤵
      PID:384
      • C:\Windows\system32\services.exe
        C:\Windows\system32\services.exe
        2⤵
          PID:480
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch
            3⤵
              PID:612
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                4⤵
                  PID:1692
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k RPCSS
                3⤵
                  PID:692
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                  3⤵
                    PID:776
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                    3⤵
                      PID:832
                      • C:\Windows\system32\Dwm.exe
                        "C:\Windows\system32\Dwm.exe"
                        4⤵
                          PID:1180
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        3⤵
                          PID:872
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          3⤵
                            PID:980
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k NetworkService
                            3⤵
                              PID:268
                            • C:\Windows\System32\spoolsv.exe
                              C:\Windows\System32\spoolsv.exe
                              3⤵
                                PID:344
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                3⤵
                                  PID:1060
                                • C:\Windows\system32\taskhost.exe
                                  "taskhost.exe"
                                  3⤵
                                    PID:1120
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                    3⤵
                                      PID:2116
                                    • C:\Windows\system32\sppsvc.exe
                                      C:\Windows\system32\sppsvc.exe
                                      3⤵
                                        PID:544
                                    • C:\Windows\system32\lsass.exe
                                      C:\Windows\system32\lsass.exe
                                      2⤵
                                        PID:488
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:496
                                      • 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:392
                                        • C:\Windows\system32\winlogon.exe
                                          winlogon.exe
                                          1⤵
                                            PID:432
                                          • C:\Windows\Explorer.EXE
                                            C:\Windows\Explorer.EXE
                                            1⤵
                                              PID:1212
                                              • C:\Windows\system32\rundll32.exe
                                                rundll32.exe C:\Users\Admin\AppData\Local\Temp\66670c1c7c4058162f10aaa59215899915403c6011d4f22c4608e2f0629dfd61N.dll,#1
                                                2⤵
                                                • Suspicious use of WriteProcessMemory
                                                PID:2284
                                                • C:\Windows\SysWOW64\rundll32.exe
                                                  rundll32.exe C:\Users\Admin\AppData\Local\Temp\66670c1c7c4058162f10aaa59215899915403c6011d4f22c4608e2f0629dfd61N.dll,#1
                                                  3⤵
                                                  • Loads dropped DLL
                                                  • Drops file in System32 directory
                                                  • System Location Discovery: System Language Discovery
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:2288
                                                  • C:\Windows\SysWOW64\rundll32mgr.exe
                                                    C:\Windows\SysWOW64\rundll32mgr.exe
                                                    4⤵
                                                    • Executes dropped EXE
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious behavior: MapViewOfSection
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:2880

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • C:\Windows\SysWOW64\rundll32mgr.exe

                                              Filesize

                                              159KB

                                              MD5

                                              8703c6aeb2e62da71e50db9698d91e35

                                              SHA1

                                              cafceda794c5b1976b46a5d39949137aba8dc9e6

                                              SHA256

                                              c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d

                                              SHA512

                                              48e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a

                                            • memory/2288-1-0x00000000746F0000-0x000000007472D000-memory.dmp

                                              Filesize

                                              244KB

                                            • memory/2288-21-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

                                              Filesize

                                              48KB

                                            • memory/2288-2-0x0000000074700000-0x000000007473D000-memory.dmp

                                              Filesize

                                              244KB

                                            • memory/2288-13-0x0000000074700000-0x000000007473D000-memory.dmp

                                              Filesize

                                              244KB

                                            • memory/2288-10-0x00000000746B0000-0x00000000746ED000-memory.dmp

                                              Filesize

                                              244KB

                                            • memory/2288-11-0x0000000000220000-0x0000000000284000-memory.dmp

                                              Filesize

                                              400KB

                                            • memory/2880-15-0x00000000770E0000-0x00000000770E1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2880-16-0x0000000000230000-0x0000000000231000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2880-17-0x00000000004A0000-0x00000000004A1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2880-18-0x0000000000400000-0x0000000000464000-memory.dmp

                                              Filesize

                                              400KB

                                            • memory/2880-19-0x0000000000400000-0x0000000000464000-memory.dmp

                                              Filesize

                                              400KB

                                            • memory/2880-14-0x00000000770DF000-0x00000000770E0000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2880-12-0x0000000000400000-0x0000000000464000-memory.dmp

                                              Filesize

                                              400KB