Resubmissions

13-10-2024 13:51

241013-q5sywavamk 10

07-10-2024 18:21

241007-wzlv9svdrf 10

28-09-2024 13:59

240928-rawa7asbmd 10

28-09-2024 08:37

240928-kjcrwayfnd 10

Analysis

  • max time kernel
    1800s
  • max time network
    1800s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-09-2024 13:59

General

  • Target

    fbe91e0cbe5875ec547e4f8dc7737848_JaffaCakes118.dll

  • Size

    5.0MB

  • MD5

    fbe91e0cbe5875ec547e4f8dc7737848

  • SHA1

    5e2da4e5dc9acd6bb22599a9c1c1f6f7dec4973b

  • SHA256

    0b689b231001383b2bb147c21580efe41c85ffd2666c12f4880e3991f6e836cc

  • SHA512

    b7c8ffbf7875c768e866d596a322755cf9aec46d8b643b6bbbc2b4413abf591ffe9811442954c5891c3b2bc26f801c4f48cebf8f5702bb7c49d58a2051b0b2e8

  • SSDEEP

    49152:enAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAZ0vZ6GIk:KDqPoBhz1aRxcSUDk36SAc0B6GIk

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (35398) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 47 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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:592
              • C:\Windows\system32\wbem\wmiprvse.exe
                C:\Windows\system32\wbem\wmiprvse.exe
                4⤵
                  PID:1220
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  4⤵
                    PID:1348
                • 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:796
                        • C:\Windows\system32\Dwm.exe
                          "C:\Windows\system32\Dwm.exe"
                          4⤵
                            PID:1164
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs
                          3⤵
                            PID:844
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalService
                            3⤵
                              PID:952
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k NetworkService
                              3⤵
                                PID:1016
                              • C:\Windows\System32\spoolsv.exe
                                C:\Windows\System32\spoolsv.exe
                                3⤵
                                  PID:1004
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                  3⤵
                                    PID:1060
                                  • 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:2008
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                        3⤵
                                          PID:2264
                                        • C:\Windows\system32\sppsvc.exe
                                          C:\Windows\system32\sppsvc.exe
                                          3⤵
                                            PID:2460
                                          • C:\WINDOWS\mssecsvc.exe
                                            C:\WINDOWS\mssecsvc.exe -m security
                                            3⤵
                                            • Executes dropped EXE
                                            • Drops file in System32 directory
                                            • System Location Discovery: System Language Discovery
                                            • Modifies data under HKEY_USERS
                                            • Suspicious behavior: EnumeratesProcesses
                                            • Suspicious behavior: MapViewOfSection
                                            • Suspicious use of AdjustPrivilegeToken
                                            PID:2780
                                        • 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:1188
                                                  • C:\Windows\system32\rundll32.exe
                                                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbe91e0cbe5875ec547e4f8dc7737848_JaffaCakes118.dll,#1
                                                    2⤵
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:3068
                                                    • C:\Windows\SysWOW64\rundll32.exe
                                                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbe91e0cbe5875ec547e4f8dc7737848_JaffaCakes118.dll,#1
                                                      3⤵
                                                      • Drops file in Windows directory
                                                      • System Location Discovery: System Language Discovery
                                                      • Suspicious use of WriteProcessMemory
                                                      PID:1736
                                                      • C:\WINDOWS\mssecsvc.exe
                                                        C:\WINDOWS\mssecsvc.exe
                                                        4⤵
                                                        • Executes dropped EXE
                                                        • Drops file in Windows directory
                                                        • System Location Discovery: System Language Discovery
                                                        • Suspicious behavior: EnumeratesProcesses
                                                        • Suspicious behavior: MapViewOfSection
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:2380

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • C:\Windows\mssecsvc.exe

                                                  Filesize

                                                  3.6MB

                                                  MD5

                                                  b2f2fc850ea25b02bfe431ed8c6bd410

                                                  SHA1

                                                  638510f86036e6dc0131e4a708a3f2e35411e2ca

                                                  SHA256

                                                  77f6052acc6348b35e3db64f5dd48e026cdcafdb6e55acb13d5bb040c731b80f

                                                  SHA512

                                                  683ffce735dfff080f4a75b8892546361e93d66b98dfba8f1a1203419bdb6f112bc59d02bb39961032c6eb9388f6d8a4dc14406219f944893d383c44a5683eb3

                                                • memory/1736-6-0x0000000002170000-0x00000000027E2000-memory.dmp

                                                  Filesize

                                                  6.4MB

                                                • memory/2380-9-0x000000007728F000-0x0000000077290000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2380-8-0x0000000077290000-0x0000000077291000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2380-7-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                  Filesize

                                                  6.4MB

                                                • memory/2380-13-0x000000007728F000-0x0000000077290000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2380-14-0x000000007EF70000-0x000000007EF7C000-memory.dmp

                                                  Filesize

                                                  48KB

                                                • memory/2380-12-0x0000000077290000-0x0000000077291000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2380-18-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                  Filesize

                                                  6.4MB

                                                • memory/2380-17-0x000000007EF70000-0x000000007EF7C000-memory.dmp

                                                  Filesize

                                                  48KB

                                                • memory/2780-11-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                  Filesize

                                                  6.4MB

                                                • memory/2780-19-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                  Filesize

                                                  6.4MB