Resubmissions

04-12-2024 19:46

241204-yg89ysxqhz 10

29-11-2024 18:21

241129-wzbqaszmh1 10

Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2024 19:46

General

  • Target

    99cf61fce5dc1b5ce8080b968b0ffd36a293fb8755e6c1acf56bf4a8ca832b12.exe

  • Size

    37KB

  • MD5

    e4ab58a21de691f6df0994936619b704

  • SHA1

    b8655320679684d1c28d6180a62f190883fd3527

  • SHA256

    99cf61fce5dc1b5ce8080b968b0ffd36a293fb8755e6c1acf56bf4a8ca832b12

  • SHA512

    297ab8a96a24505f4fa504ecbbf6f3c766a1a53104c979d4a8ce932dbe1340d953301c371e651112b79c2ed85ef235e04f8d7d32d50487e7050e84bdfb148ba7

  • SSDEEP

    768:NRrgLWAzIaRPsGtUHoVTp6OxZ0d01coO269UVv/:PGsapQIVcO729UVv/

Malware Config

Signatures

  • Phorphiex family
  • Phorphiex payload 2 IoCs
  • Phorphiex, Phorpiex

    Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

  • Downloads MZ/PE file
  • 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 1 IoCs
  • Suspicious behavior: MapViewOfSection 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\wininit.exe
    wininit.exe
    1⤵
      PID:388
      • 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:596
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                4⤵
                  PID:1480
                • C:\Windows\system32\wbem\wmiprvse.exe
                  C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                  4⤵
                    PID:1076
                • 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:740
                    • C:\Windows\System32\svchost.exe
                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                      3⤵
                        PID:796
                        • C:\Windows\system32\Dwm.exe
                          "C:\Windows\system32\Dwm.exe"
                          4⤵
                            PID:1312
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs
                          3⤵
                            PID:840
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalService
                            3⤵
                              PID:956
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k NetworkService
                              3⤵
                                PID:272
                              • C:\Windows\System32\spoolsv.exe
                                C:\Windows\System32\spoolsv.exe
                                3⤵
                                  PID:996
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                  3⤵
                                    PID:828
                                  • C:\Windows\system32\taskhost.exe
                                    "taskhost.exe"
                                    3⤵
                                      PID:1176
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                      3⤵
                                        PID:2020
                                      • C:\Windows\system32\sppsvc.exe
                                        C:\Windows\system32\sppsvc.exe
                                        3⤵
                                          PID:2536
                                      • C:\Windows\system32\lsass.exe
                                        C:\Windows\system32\lsass.exe
                                        2⤵
                                          PID:496
                                        • C:\Windows\system32\lsm.exe
                                          C:\Windows\system32\lsm.exe
                                          2⤵
                                            PID:504
                                        • 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:428
                                            • C:\Windows\Explorer.EXE
                                              C:\Windows\Explorer.EXE
                                              1⤵
                                                PID:1364
                                                • C:\Users\Admin\AppData\Local\Temp\99cf61fce5dc1b5ce8080b968b0ffd36a293fb8755e6c1acf56bf4a8ca832b12.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\99cf61fce5dc1b5ce8080b968b0ffd36a293fb8755e6c1acf56bf4a8ca832b12.exe"
                                                  2⤵
                                                  • System Location Discovery: System Language Discovery
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious behavior: MapViewOfSection
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:2212

                                              Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\40WV1DY9\tdrpl[1].exe

                                                Filesize

                                                79KB

                                                MD5

                                                0c883b1d66afce606d9830f48d69d74b

                                                SHA1

                                                fe431fe73a4749722496f19b3b3ca0b629b50131

                                                SHA256

                                                d921fc993574c8be76553bcf4296d2851e48ee39b958205e69bdfd7cf661d2b1

                                                SHA512

                                                c047452a23efad4262479fbfeb5e23f9497d7cefd4cbb58e869801206669c2a0759698c70d18050316798d5d939b989537fdce3842aa742449f5e08ed7fa60a5

                                              • C:\Users\Admin\AppData\Local\Temp\30237.scr

                                                Filesize

                                                110KB

                                                MD5

                                                50b53680a02632f6eb716c418da15489

                                                SHA1

                                                d71096c0a094ec418a0c4ae2c20dc83fb6c47fdf

                                                SHA256

                                                8f2f5f8f188ac747617cac662b1dded10c0d2b6acd5de34726d4d143fed65588

                                                SHA512

                                                b91fb8423e2008bf02095b5b552c43d3961149e738bd2039262c25b87777814e52459ec064f660255dc89b5db9a8fd92a47c416d05a53642394870ddcd53eb07

                                              • memory/2212-0-0x0000000000400000-0x000000000040E000-memory.dmp

                                                Filesize

                                                56KB

                                              • memory/2212-2-0x0000000077DE0000-0x0000000077DE1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2212-1-0x0000000077DDF000-0x0000000077DE0000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2212-14-0x0000000000400000-0x000000000040E000-memory.dmp

                                                Filesize

                                                56KB