Resubmissions

09-03-2022 14:47

220309-r5zxvsccap 10

09-03-2022 14:43

220309-r3pzwacbgk 10

Analysis

  • max time kernel
    4294178s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    09-03-2022 14:47

General

  • Target

    GdtBpFKY.exe

  • Size

    140KB

  • MD5

    bfac768f9ad7d29ec91a0288f4b5f479

  • SHA1

    ff3240c04aa6778dfc4fa2c2eec505c0fb52acac

  • SHA256

    950da158619b3a37e4c0f0be34c39482afdce6d8aa92703ea9cf5ddd487049e9

  • SHA512

    6fa181b5aa88216d49e24576cff35cd5ce4f1ed11d3ec3d6539125d699c421f79dc755b4383e6d6ccf1657d21ee4aa9364f6785ef870e2863b93fa3885f07289

Malware Config

Signatures

  • Ramnit

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

  • UPX packed file 1 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:480
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:464
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
          2⤵
            PID:1040
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
            2⤵
              PID:1468
            • C:\Windows\system32\sppsvc.exe
              C:\Windows\system32\sppsvc.exe
              2⤵
                PID:1916
              • C:\Windows\system32\taskhost.exe
                "taskhost.exe"
                2⤵
                  PID:1252
                • C:\Windows\System32\spoolsv.exe
                  C:\Windows\System32\spoolsv.exe
                  2⤵
                    PID:304
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k NetworkService
                    2⤵
                      PID:324
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs
                      2⤵
                        PID:868
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalService
                        2⤵
                          PID:840
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          2⤵
                            PID:800
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                            2⤵
                              PID:736
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k RPCSS
                              2⤵
                                PID:656
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k DcomLaunch
                                2⤵
                                  PID:580
                              • 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:368
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:488
                                      • C:\Windows\Explorer.EXE
                                        C:\Windows\Explorer.EXE
                                        1⤵
                                          PID:1404
                                          • C:\Users\Admin\AppData\Local\Temp\GdtBpFKY.exe
                                            "C:\Users\Admin\AppData\Local\Temp\GdtBpFKY.exe"
                                            2⤵
                                            • Drops file in Program Files directory
                                            • Suspicious behavior: EnumeratesProcesses
                                            • Suspicious behavior: MapViewOfSection
                                            • Suspicious use of AdjustPrivilegeToken
                                            • Suspicious use of WriteProcessMemory
                                            PID:1776
                                        • C:\Windows\system32\Dwm.exe
                                          "C:\Windows\system32\Dwm.exe"
                                          1⤵
                                            PID:1364

                                          Network

                                          MITRE ATT&CK Matrix

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • memory/1776-54-0x0000000074E31000-0x0000000074E33000-memory.dmp
                                            Filesize

                                            8KB

                                          • memory/1776-55-0x00000000771D0000-0x0000000077350000-memory.dmp
                                            Filesize

                                            1.5MB

                                          • memory/1776-56-0x0000000000400000-0x0000000000444000-memory.dmp
                                            Filesize

                                            272KB