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Analysis

  • max time kernel
    15s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/01/2025, 16:41

General

  • Target

    9867fabf83e9436a0de419344e5cb2324b29d3ba2c6c8fbc272fe0ea2c536f50N.exe

  • Size

    247KB

  • MD5

    a5cc65fa036658156e40c13ef3d4fb30

  • SHA1

    d90ecbe8f3166c4c936623bdd69ded71d240833d

  • SHA256

    9867fabf83e9436a0de419344e5cb2324b29d3ba2c6c8fbc272fe0ea2c536f50

  • SHA512

    64ad4ba8144d893c718e20152b575d951d5a79cb565882902fb070573e7844fde7b9c813f688c597e9ea9769ed7d0a6fd9d68048831e4a5d450ce560eca3510e

  • SSDEEP

    3072:WPLE6h382ERPRDetLlr6mTr7QLBvBt0M1qCWzJP0ruTTBaClHpspom7ffrAmpS:WPHh2i9rULBf0dJ5TTBZbspom7bX4

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\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\wininit.exe
      wininit.exe
      1⤵
        PID:388
        • C:\Windows\system32\services.exe
          C:\Windows\system32\services.exe
          2⤵
            PID:472
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch
              3⤵
                PID:588
                • C:\Windows\system32\wbem\wmiprvse.exe
                  C:\Windows\system32\wbem\wmiprvse.exe
                  4⤵
                    PID:1348
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:800
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k RPCSS
                    3⤵
                      PID:672
                    • 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:812
                          • C:\Windows\system32\Dwm.exe
                            "C:\Windows\system32\Dwm.exe"
                            4⤵
                              PID:1160
                          • 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:960
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k NetworkService
                                3⤵
                                  PID:236
                                • C:\Windows\System32\spoolsv.exe
                                  C:\Windows\System32\spoolsv.exe
                                  3⤵
                                    PID:1012
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                    3⤵
                                      PID:904
                                    • C:\Windows\system32\taskhost.exe
                                      "taskhost.exe"
                                      3⤵
                                        PID:1100
                                      • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                        "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                        3⤵
                                          PID:1552
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                          3⤵
                                            PID:976
                                          • C:\Windows\system32\sppsvc.exe
                                            C:\Windows\system32\sppsvc.exe
                                            3⤵
                                              PID:1716
                                          • 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\winlogon.exe
                                              winlogon.exe
                                              1⤵
                                                PID:420
                                              • C:\Windows\Explorer.EXE
                                                C:\Windows\Explorer.EXE
                                                1⤵
                                                  PID:1248
                                                  • C:\Users\Admin\AppData\Local\Temp\9867fabf83e9436a0de419344e5cb2324b29d3ba2c6c8fbc272fe0ea2c536f50N.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\9867fabf83e9436a0de419344e5cb2324b29d3ba2c6c8fbc272fe0ea2c536f50N.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:2900
                                                    • C:\Users\Admin\AppData\Local\Temp\9867fabf83e9436a0de419344e5cb2324b29d3ba2c6c8fbc272fe0ea2c536f50Nmgr.exe
                                                      C:\Users\Admin\AppData\Local\Temp\9867fabf83e9436a0de419344e5cb2324b29d3ba2c6c8fbc272fe0ea2c536f50Nmgr.exe
                                                      3⤵
                                                      • Executes dropped EXE
                                                      • Suspicious behavior: EnumeratesProcesses
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:2992

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • \Users\Admin\AppData\Local\Temp\9867fabf83e9436a0de419344e5cb2324b29d3ba2c6c8fbc272fe0ea2c536f50Nmgr.exe

                                                  Filesize

                                                  159KB

                                                  MD5

                                                  8703c6aeb2e62da71e50db9698d91e35

                                                  SHA1

                                                  cafceda794c5b1976b46a5d39949137aba8dc9e6

                                                  SHA256

                                                  c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d

                                                  SHA512

                                                  48e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a

                                                • \Windows\SysWOW64\wextract.exe

                                                  Filesize

                                                  163KB

                                                  MD5

                                                  37d0457d01a9d101a05ab19a19ec4968

                                                  SHA1

                                                  6698fb7bbe3f19e426a2e90d2d8b2aa9da610a8c

                                                  SHA256

                                                  5fcbd7379f4083782d37b1c672408f258f795723c432bcd87d586092f46ee816

                                                  SHA512

                                                  8a6916cbdc05717cc07170c4d93afcf800aa09c0e984be19b78a0c667ee744c74e82e3ec7b895f59767c51d9f39dab8c865ece802963c02bff2aebbb64f2ca81

                                                • memory/2900-4-0x0000000000230000-0x0000000000294000-memory.dmp

                                                  Filesize

                                                  400KB

                                                • memory/2900-23-0x0000000000400000-0x0000000000441000-memory.dmp

                                                  Filesize

                                                  260KB

                                                • memory/2900-13-0x0000000077400000-0x0000000077401000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2900-21-0x0000000000280000-0x00000000002AE000-memory.dmp

                                                  Filesize

                                                  184KB

                                                • memory/2900-0-0x0000000000400000-0x0000000000441000-memory.dmp

                                                  Filesize

                                                  260KB

                                                • memory/2900-12-0x00000000773FF000-0x0000000077400000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2900-20-0x0000000000400000-0x0000000000441000-memory.dmp

                                                  Filesize

                                                  260KB

                                                • memory/2900-19-0x0000000000400000-0x0000000000441000-memory.dmp

                                                  Filesize

                                                  260KB

                                                • memory/2992-17-0x0000000000400000-0x0000000000464000-memory.dmp

                                                  Filesize

                                                  400KB

                                                • memory/2992-10-0x0000000000400000-0x0000000000464000-memory.dmp

                                                  Filesize

                                                  400KB

                                                • memory/2992-11-0x0000000000220000-0x0000000000221000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2992-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2992-14-0x0000000000400000-0x0000000000464000-memory.dmp

                                                  Filesize

                                                  400KB