Analysis

  • max time kernel
    3s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    15-05-2021 05:13

General

  • Target

    94a0038548e86f96d5a68cf8ef86a390a032fd55151dc7304356befe51cf6c90.exe

  • Size

    2.7MB

  • MD5

    24dd68cd18db86635d9f8b7217dfd846

  • SHA1

    12e3fc5dd52c336a2b5e14a760e00d717dd5b60b

  • SHA256

    94a0038548e86f96d5a68cf8ef86a390a032fd55151dc7304356befe51cf6c90

  • SHA512

    14820d11ab81dd226d25d37d806cb90ac015e42d3ce0bd6540e0f3098f8eac4e6c79d4ebc4bc2c621c0828d5ff78a773a26232af1d2f15e24e95f56883683a9b

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Ramnit

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

  • UAC bypass 3 TTPs
  • Windows security bypass 2 TTPs
  • UPX packed file 1 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:420
    • 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:384
      • 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\spoolsv.exe
                C:\Windows\System32\spoolsv.exe
                3⤵
                  PID:284
                • C:\Windows\system32\taskhost.exe
                  "taskhost.exe"
                  3⤵
                    PID:1132
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                    3⤵
                      PID:1052
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k NetworkService
                      3⤵
                        PID:112
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        3⤵
                          PID:876
                          • C:\Windows\system32\wbem\WMIADAP.EXE
                            wmiadap.exe /F /T /R
                            4⤵
                              PID:1220
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalService
                            3⤵
                              PID:840
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                              3⤵
                                PID:792
                              • C:\Windows\System32\svchost.exe
                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                                3⤵
                                  PID:752
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k RPCSS
                                  3⤵
                                    PID:660
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k DcomLaunch
                                    3⤵
                                      PID:580
                                  • 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\Explorer.EXE
                                      C:\Windows\Explorer.EXE
                                      1⤵
                                        PID:1288
                                        • C:\Users\Admin\AppData\Local\Temp\94a0038548e86f96d5a68cf8ef86a390a032fd55151dc7304356befe51cf6c90.exe
                                          "C:\Users\Admin\AppData\Local\Temp\94a0038548e86f96d5a68cf8ef86a390a032fd55151dc7304356befe51cf6c90.exe"
                                          2⤵
                                          • Modifies firewall policy service
                                          • Windows security modification
                                          • Checks whether UAC is enabled
                                          • Drops file in Windows directory
                                          • Suspicious behavior: EnumeratesProcesses
                                          • Suspicious behavior: MapViewOfSection
                                          • Suspicious use of AdjustPrivilegeToken
                                          • Suspicious use of WriteProcessMemory
                                          • System policy modification
                                          PID:1904
                                      • C:\Windows\system32\Dwm.exe
                                        "C:\Windows\system32\Dwm.exe"
                                        1⤵
                                          PID:1240

                                        Network

                                        MITRE ATT&CK Enterprise v6

                                        Replay Monitor

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                                        Downloads

                                        • memory/1904-59-0x0000000074FB1000-0x0000000074FB3000-memory.dmp
                                          Filesize

                                          8KB

                                        • memory/1904-61-0x0000000000250000-0x0000000000252000-memory.dmp
                                          Filesize

                                          8KB

                                        • memory/1904-60-0x0000000002230000-0x00000000032BE000-memory.dmp
                                          Filesize

                                          16.6MB

                                        • memory/1904-62-0x0000000000270000-0x0000000000271000-memory.dmp
                                          Filesize

                                          4KB