Analysis

  • max time kernel
    15s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 03:39

General

  • Target

    31dd82cb2e3f610ec93dbfcf4f28a44fc4af29a55e3fff14cac5664e3b3edef2N.exe

  • Size

    247KB

  • MD5

    f087898b3683c3261dfd2f506b069dc0

  • SHA1

    088e7074dd5d686fc492d48544238fed85de9a7d

  • SHA256

    31dd82cb2e3f610ec93dbfcf4f28a44fc4af29a55e3fff14cac5664e3b3edef2

  • SHA512

    e8502399ac874dad2155b7234fae985cd71f20fb9b5204e5d86c1c0ddb012b11e1143a6200ea82ecf28fd50b7e2d0ec990054dbe9e8495925bce1ec97fba0854

  • SSDEEP

    6144:RBbhnf6a8Y8dLBf0dJ5TTBZbspom7bXbt:dnia0N0VTTbM/J

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 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 5 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 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 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:476
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch
            3⤵
              PID:604
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                4⤵
                  PID:2004
                • C:\Windows\system32\wbem\wmiprvse.exe
                  C:\Windows\system32\wbem\wmiprvse.exe
                  4⤵
                    PID:1592
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k RPCSS
                  3⤵
                    PID:680
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                    3⤵
                      PID:744
                    • C:\Windows\System32\svchost.exe
                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                      3⤵
                        PID:808
                        • C:\Windows\system32\Dwm.exe
                          "C:\Windows\system32\Dwm.exe"
                          4⤵
                            PID:1044
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs
                          3⤵
                            PID:856
                          • 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:108
                              • C:\Windows\system32\taskhost.exe
                                "taskhost.exe"
                                3⤵
                                  PID:1068
                                • C:\Windows\System32\spoolsv.exe
                                  C:\Windows\System32\spoolsv.exe
                                  3⤵
                                    PID:1076
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                    3⤵
                                      PID:1156
                                    • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                      "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                      3⤵
                                        PID:1416
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                        3⤵
                                          PID:2152
                                        • C:\Windows\system32\sppsvc.exe
                                          C:\Windows\system32\sppsvc.exe
                                          3⤵
                                            PID:352
                                        • C:\Windows\system32\lsass.exe
                                          C:\Windows\system32\lsass.exe
                                          2⤵
                                            PID:492
                                          • C:\Windows\system32\lsm.exe
                                            C:\Windows\system32\lsm.exe
                                            2⤵
                                              PID:500
                                          • 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:1128
                                                  • C:\Users\Admin\AppData\Local\Temp\31dd82cb2e3f610ec93dbfcf4f28a44fc4af29a55e3fff14cac5664e3b3edef2N.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\31dd82cb2e3f610ec93dbfcf4f28a44fc4af29a55e3fff14cac5664e3b3edef2N.exe"
                                                    2⤵
                                                    • Loads dropped DLL
                                                    • Drops file in System32 directory
                                                    • System Location Discovery: System Language Discovery
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious behavior: MapViewOfSection
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:1836
                                                    • C:\Users\Admin\AppData\Local\Temp\31dd82cb2e3f610ec93dbfcf4f28a44fc4af29a55e3fff14cac5664e3b3edef2Nmgr.exe
                                                      C:\Users\Admin\AppData\Local\Temp\31dd82cb2e3f610ec93dbfcf4f28a44fc4af29a55e3fff14cac5664e3b3edef2Nmgr.exe
                                                      3⤵
                                                      • Executes dropped EXE
                                                      • Suspicious behavior: EnumeratesProcesses
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:2288

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                • C:\Users\Admin\AppData\Local\Temp\31dd82cb2e3f610ec93dbfcf4f28a44fc4af29a55e3fff14cac5664e3b3edef2Nmgr.exe

                                                  Filesize

                                                  159KB

                                                  MD5

                                                  8703c6aeb2e62da71e50db9698d91e35

                                                  SHA1

                                                  cafceda794c5b1976b46a5d39949137aba8dc9e6

                                                  SHA256

                                                  c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d

                                                  SHA512

                                                  48e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a

                                                • \Windows\SysWOW64\wextract.exe

                                                  Filesize

                                                  163KB

                                                  MD5

                                                  4f2f1aa9d95088b96257c05a16e80637

                                                  SHA1

                                                  b15bc689068463783886303359374051c7318ea7

                                                  SHA256

                                                  2629e7357a5a8c7278caec857b5f49cf3b87d7605a787dd81e431c216f8d3495

                                                  SHA512

                                                  03af955551f99c392b7b3584b09e1107bd9bfe6621d3414e06bd14d5986c83d522b5621d743b36a338f97908ee79103c297ac9045b9613805b9cf1e816e79728

                                                • memory/1836-14-0x00000000776E0000-0x00000000776E1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1836-8-0x00000000004C0000-0x0000000000524000-memory.dmp

                                                  Filesize

                                                  400KB

                                                • memory/1836-22-0x0000000000400000-0x0000000000441000-memory.dmp

                                                  Filesize

                                                  260KB

                                                • memory/1836-24-0x0000000000400000-0x0000000000441000-memory.dmp

                                                  Filesize

                                                  260KB

                                                • memory/1836-23-0x0000000000290000-0x00000000002BE000-memory.dmp

                                                  Filesize

                                                  184KB

                                                • memory/1836-20-0x0000000000400000-0x0000000000441000-memory.dmp

                                                  Filesize

                                                  260KB

                                                • memory/1836-9-0x00000000004C0000-0x0000000000524000-memory.dmp

                                                  Filesize

                                                  400KB

                                                • memory/1836-26-0x0000000000400000-0x0000000000441000-memory.dmp

                                                  Filesize

                                                  260KB

                                                • memory/1836-0-0x0000000000400000-0x0000000000441000-memory.dmp

                                                  Filesize

                                                  260KB

                                                • memory/1836-13-0x00000000776DF000-0x00000000776E0000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2288-19-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

                                                  Filesize

                                                  48KB

                                                • memory/2288-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2288-16-0x0000000000400000-0x0000000000464000-memory.dmp

                                                  Filesize

                                                  400KB

                                                • memory/2288-12-0x0000000000220000-0x0000000000221000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2288-11-0x0000000000400000-0x0000000000464000-memory.dmp

                                                  Filesize

                                                  400KB

                                                • memory/2288-18-0x0000000000400000-0x0000000000464000-memory.dmp

                                                  Filesize

                                                  400KB