Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 03:43

General

  • Target

    d8b75377300737d29610f51f19f231f8224df6b88d2230f86bc151f2e8ed5242.exe

  • Size

    222KB

  • MD5

    31e3525b6e2b5954c5a5db7778b47b30

  • SHA1

    e57f013f178279eaa9c0a136d6646bf884e85ba3

  • SHA256

    d8b75377300737d29610f51f19f231f8224df6b88d2230f86bc151f2e8ed5242

  • SHA512

    99b6233bd225696cfafcd8a5c15a17ad91f4bc1728a5f3ab48d9d11abed758959bdda95bd9f25df4e36c977dd379f9e56b42cf543b6019decb05f8933f1933c2

  • SSDEEP

    3072:72ejB16Vj8IS0c1YQLBvBt0M1qCWzJP0ruTTBaClHpspom7ffrAmpp:72in6VIpb1DLBf0dJ5TTBZbspom7bXv

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 1 IoCs
  • Ramnit

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

  • Ramnit family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 7 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 25 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:480
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch
            3⤵
              PID:612
              • C:\Windows\system32\wbem\wmiprvse.exe
                C:\Windows\system32\wbem\wmiprvse.exe
                4⤵
                  PID:1260
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  4⤵
                    PID:1268
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k RPCSS
                  3⤵
                    PID:688
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                    3⤵
                      PID:756
                    • C:\Windows\System32\svchost.exe
                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                      3⤵
                        PID:824
                        • C:\Windows\system32\Dwm.exe
                          "C:\Windows\system32\Dwm.exe"
                          4⤵
                            PID:1192
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs
                          3⤵
                            PID:868
                          • 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:292
                              • C:\Windows\System32\spoolsv.exe
                                C:\Windows\System32\spoolsv.exe
                                3⤵
                                  PID:920
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                  3⤵
                                    PID:1080
                                  • C:\Windows\system32\taskhost.exe
                                    "taskhost.exe"
                                    3⤵
                                      PID:1124
                                    • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                      "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                      3⤵
                                        PID:2044
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                        3⤵
                                          PID:2232
                                        • C:\Windows\system32\sppsvc.exe
                                          C:\Windows\system32\sppsvc.exe
                                          3⤵
                                            PID:2284
                                        • 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:396
                                            • C:\Windows\system32\winlogon.exe
                                              winlogon.exe
                                              1⤵
                                                PID:432
                                              • C:\Windows\Explorer.EXE
                                                C:\Windows\Explorer.EXE
                                                1⤵
                                                  PID:1272
                                                  • C:\Users\Admin\AppData\Local\Temp\d8b75377300737d29610f51f19f231f8224df6b88d2230f86bc151f2e8ed5242.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\d8b75377300737d29610f51f19f231f8224df6b88d2230f86bc151f2e8ed5242.exe"
                                                    2⤵
                                                    • Modifies firewall policy service
                                                    • Drops startup file
                                                    • Loads dropped DLL
                                                    • Adds Run key to start application
                                                    • 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:804
                                                    • C:\Users\Admin\AppData\Local\Temp\d8b75377300737d29610f51f19f231f8224df6b88d2230f86bc151f2e8ed5242mgr.exe
                                                      C:\Users\Admin\AppData\Local\Temp\d8b75377300737d29610f51f19f231f8224df6b88d2230f86bc151f2e8ed5242mgr.exe
                                                      3⤵
                                                      • Executes dropped EXE
                                                      • Suspicious behavior: EnumeratesProcesses
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:1148
                                                • C:\Users\Admin\AppData\Local\Temp\3443387909\zmstage.exe
                                                  C:\Users\Admin\AppData\Local\Temp\3443387909\zmstage.exe
                                                  1⤵
                                                    PID:2108

                                                  Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • C:\Users\Admin\AppData\Local\Temp\d8b75377300737d29610f51f19f231f8224df6b88d2230f86bc151f2e8ed5242mgr.exe

                                                    Filesize

                                                    159KB

                                                    MD5

                                                    8703c6aeb2e62da71e50db9698d91e35

                                                    SHA1

                                                    cafceda794c5b1976b46a5d39949137aba8dc9e6

                                                    SHA256

                                                    c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d

                                                    SHA512

                                                    48e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a

                                                  • memory/804-12-0x000000007701F000-0x0000000077020000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/804-21-0x0000000000400000-0x000000000044A000-memory.dmp

                                                    Filesize

                                                    296KB

                                                  • memory/804-10-0x0000000000220000-0x0000000000284000-memory.dmp

                                                    Filesize

                                                    400KB

                                                  • memory/804-25-0x0000000000400000-0x000000000044A000-memory.dmp

                                                    Filesize

                                                    296KB

                                                  • memory/804-13-0x0000000077020000-0x0000000077021000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/804-1-0x0000000000400000-0x000000000044A000-memory.dmp

                                                    Filesize

                                                    296KB

                                                  • memory/804-9-0x0000000000220000-0x0000000000284000-memory.dmp

                                                    Filesize

                                                    400KB

                                                  • memory/1148-17-0x0000000000260000-0x0000000000261000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/1148-20-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

                                                    Filesize

                                                    48KB

                                                  • memory/1148-19-0x0000000000400000-0x0000000000464000-memory.dmp

                                                    Filesize

                                                    400KB

                                                  • memory/1148-16-0x0000000000400000-0x0000000000464000-memory.dmp

                                                    Filesize

                                                    400KB

                                                  • memory/1148-15-0x0000000000220000-0x0000000000221000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/1148-11-0x0000000000400000-0x0000000000464000-memory.dmp

                                                    Filesize

                                                    400KB

                                                  • memory/1148-14-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

                                                    Filesize

                                                    48KB