Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20/01/2025, 08:22

General

  • Target

    JaffaCakes118_e18ab1e385fcc3f1b44bf51c070c7f95.exe

  • Size

    524KB

  • MD5

    e18ab1e385fcc3f1b44bf51c070c7f95

  • SHA1

    abe55c2ceed151682ef9c27a457ec29791b7c01e

  • SHA256

    4b851113292f65082ba1d64244c0384cfaa39301adb582e394af13fe5bececa6

  • SHA512

    614ea4b4ceaf8fad69a8600e6dd03db4fbe28d212a649c9a363146e5c5b71c55cb79255fce69d783536d21ecf23f6f37aba6daa1017b5c047d80f9c6d8b7a437

  • SSDEEP

    12288:l6N+HfWXmO2AyBZ1BYoheKmBXwc2zR85SAHtO:3OXQ3BZbYownJuQSAHtO

Malware Config

Signatures

  • Vobfus

    A widespread worm which spreads via network drives and removable media.

  • Vobfus family
  • Adds policy Run key to start application 2 TTPs 6 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 9 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 6 IoCs

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

  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\smss.exe
    \SystemRoot\System32\smss.exe
    1⤵
      PID:256
    • 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:332
      • C:\Windows\system32\wininit.exe
        wininit.exe
        1⤵
          PID:368
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:464
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:576
                  • C:\Windows\system32\wbem\wmiprvse.exe
                    C:\Windows\system32\wbem\wmiprvse.exe
                    4⤵
                      PID:1480
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      4⤵
                        PID:1632
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k RPCSS
                      3⤵
                        PID:656
                      • 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:792
                            • 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:820
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalService
                                3⤵
                                  PID:972
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k NetworkService
                                  3⤵
                                    PID:280
                                  • C:\Windows\System32\spoolsv.exe
                                    C:\Windows\System32\spoolsv.exe
                                    3⤵
                                      PID:112
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                      3⤵
                                        PID:672
                                      • C:\Windows\system32\taskhost.exe
                                        "taskhost.exe"
                                        3⤵
                                          PID:1096
                                        • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                          "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                          3⤵
                                            PID:1332
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                            3⤵
                                              PID:2280
                                            • C:\Windows\system32\sppsvc.exe
                                              C:\Windows\system32\sppsvc.exe
                                              3⤵
                                                PID:1176
                                              • C:\Users\Admin\AppData\Local\Temp\rootkit-uncrypted.exe
                                                C:\Users\Admin\AppData\Local\Temp\rootkit-uncrypted.exe
                                                3⤵
                                                • Executes dropped EXE
                                                • System Location Discovery: System Language Discovery
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of WriteProcessMemory
                                                PID:2976
                                            • C:\Windows\system32\lsass.exe
                                              C:\Windows\system32\lsass.exe
                                              2⤵
                                                PID:472
                                              • C:\Windows\system32\lsm.exe
                                                C:\Windows\system32\lsm.exe
                                                2⤵
                                                  PID:480
                                              • 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:376
                                                • C:\Windows\system32\winlogon.exe
                                                  winlogon.exe
                                                  1⤵
                                                    PID:416
                                                  • C:\Windows\Explorer.EXE
                                                    C:\Windows\Explorer.EXE
                                                    1⤵
                                                      PID:1212
                                                      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e18ab1e385fcc3f1b44bf51c070c7f95.exe
                                                        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e18ab1e385fcc3f1b44bf51c070c7f95.exe"
                                                        2⤵
                                                        • Suspicious use of SetThreadContext
                                                        • System Location Discovery: System Language Discovery
                                                        • Suspicious use of SetWindowsHookEx
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:2776
                                                        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e18ab1e385fcc3f1b44bf51c070c7f95.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e18ab1e385fcc3f1b44bf51c070c7f95.exe"
                                                          3⤵
                                                          • Loads dropped DLL
                                                          • Writes to the Master Boot Record (MBR)
                                                          • System Location Discovery: System Language Discovery
                                                          • Suspicious use of SetWindowsHookEx
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:3048
                                                          • C:\Users\Admin\AppData\Local\Temp\shop.exe
                                                            "C:\Users\Admin\AppData\Local\Temp\shop.exe"
                                                            4⤵
                                                            • Adds policy Run key to start application
                                                            • Executes dropped EXE
                                                            • Adds Run key to start application
                                                            • System Location Discovery: System Language Discovery
                                                            • Suspicious use of SetWindowsHookEx
                                                            PID:2836
                                                          • C:\Users\Admin\AppData\Local\Temp\rootkit-uncrypted.exe
                                                            "C:\Users\Admin\AppData\Local\Temp\rootkit-uncrypted.exe"
                                                            4⤵
                                                            • Sets service image path in registry
                                                            • Executes dropped EXE
                                                            • Impair Defenses: Safe Mode Boot
                                                            • System Location Discovery: System Language Discovery
                                                            • Suspicious use of AdjustPrivilegeToken
                                                            PID:2712
                                                          • C:\Users\Admin\AppData\Local\Temp\new.exe
                                                            "C:\Users\Admin\AppData\Local\Temp\new.exe"
                                                            4⤵
                                                            • Adds policy Run key to start application
                                                            • Boot or Logon Autostart Execution: Active Setup
                                                            • Executes dropped EXE
                                                            • Adds Run key to start application
                                                            • System Location Discovery: System Language Discovery
                                                            • Suspicious use of AdjustPrivilegeToken
                                                            • Suspicious use of SetWindowsHookEx
                                                            PID:2404

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

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                                                    Downloads

                                                    • \Users\Admin\AppData\Local\Temp\new.exe

                                                      Filesize

                                                      162KB

                                                      MD5

                                                      509afdca541092555e6a07b42549fdf2

                                                      SHA1

                                                      eed6f0db04fc21c7dc1e6efba85c64265ef8c837

                                                      SHA256

                                                      c1a4274d740018703e69dc45202fd811c425df531ce41276486e538a7ac210ed

                                                      SHA512

                                                      c0355e7b2295fee5784a378bab502fb4eafffffd42a3d258a836ae43fa42d5e49166025173cf311672c81bbf32b10572beebbae4df5604ca3f4884429928a16e

                                                    • \Users\Admin\AppData\Local\Temp\rootkit-uncrypted.exe

                                                      Filesize

                                                      66KB

                                                      MD5

                                                      da8b7ef46030c3ff3253924e669cce2b

                                                      SHA1

                                                      094407e3b46b429cca656322580aed93850deb9d

                                                      SHA256

                                                      3e32e3b51345bef4ded1803099101cf2234180791658f0da242b3a18f9d73aba

                                                      SHA512

                                                      c74c6e08cfa83cbeb0cdc5b87ccb334050ca975b9e3d50349fa43347099b8301beb1cc528d6d1498d3ea19e4579735ae147233b464026e9583e02d5145a0394e

                                                    • \Users\Admin\AppData\Local\Temp\shop.exe

                                                      Filesize

                                                      63KB

                                                      MD5

                                                      1f83f55d3a5c4a301004a795e56cf34f

                                                      SHA1

                                                      79e3a31ffe727999c005cf9913c16a6497a20440

                                                      SHA256

                                                      93f017d1c22d38951513b0dd456529e2d11bfc00d3c5df151ad052a617b0835e

                                                      SHA512

                                                      62ad5aecdd32a102bfcd6dd467558d0055c5bb1e01baed8ff5399b7ee695b7491d02e65cb3165cd96d40ca901eeb8b4de4e809487fc47d12f6bdefb52d718301

                                                    • memory/2404-133-0x0000000000400000-0x0000000000473000-memory.dmp

                                                      Filesize

                                                      460KB

                                                    • memory/2404-111-0x0000000000400000-0x0000000000473000-memory.dmp

                                                      Filesize

                                                      460KB

                                                    • memory/2404-105-0x000000007EE60000-0x000000007EE61000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2404-106-0x000000007EE50000-0x000000007EE51000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2404-53-0x0000000000400000-0x0000000000473000-memory.dmp

                                                      Filesize

                                                      460KB

                                                    • memory/2776-16-0x0000000000540000-0x0000000000640000-memory.dmp

                                                      Filesize

                                                      1024KB

                                                    • memory/2836-73-0x000000007EF20000-0x000000007EF21000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-77-0x000000007EEE0000-0x000000007EEE1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-110-0x0000000000400000-0x0000000000424000-memory.dmp

                                                      Filesize

                                                      144KB

                                                    • memory/2836-109-0x0000000000400000-0x0000000000424000-memory.dmp

                                                      Filesize

                                                      144KB

                                                    • memory/2836-65-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-66-0x000000007EF90000-0x000000007EF91000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-67-0x000000007EF80000-0x000000007EF81000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-68-0x000000007EF70000-0x000000007EF71000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-78-0x000000007EED0000-0x000000007EED1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-80-0x000000007EEB0000-0x000000007EEB1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-84-0x000000007EE70000-0x000000007EE71000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-83-0x000000007EE80000-0x000000007EE81000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-69-0x000000007EF60000-0x000000007EF61000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-70-0x000000007EF50000-0x000000007EF51000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-82-0x000000007EE90000-0x000000007EE91000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-81-0x000000007EEA0000-0x000000007EEA1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-79-0x000000007EEC0000-0x000000007EEC1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-71-0x000000007EF40000-0x000000007EF41000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-76-0x000000007EEF0000-0x000000007EEF1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-75-0x000000007EF00000-0x000000007EF01000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-74-0x000000007EF10000-0x000000007EF11000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2836-72-0x000000007EF30000-0x000000007EF31000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/3048-7-0x0000000000400000-0x0000000000455000-memory.dmp

                                                      Filesize

                                                      340KB

                                                    • memory/3048-31-0x00000000026C0000-0x00000000026E4000-memory.dmp

                                                      Filesize

                                                      144KB

                                                    • memory/3048-13-0x0000000000400000-0x0000000000455000-memory.dmp

                                                      Filesize

                                                      340KB

                                                    • memory/3048-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/3048-50-0x0000000002B40000-0x0000000002BB3000-memory.dmp

                                                      Filesize

                                                      460KB

                                                    • memory/3048-5-0x0000000000400000-0x0000000000455000-memory.dmp

                                                      Filesize

                                                      340KB

                                                    • memory/3048-51-0x0000000002B40000-0x0000000002BB3000-memory.dmp

                                                      Filesize

                                                      460KB

                                                    • memory/3048-63-0x0000000000400000-0x0000000000455000-memory.dmp

                                                      Filesize

                                                      340KB

                                                    • memory/3048-3-0x0000000000400000-0x0000000000455000-memory.dmp

                                                      Filesize

                                                      340KB

                                                    • memory/3048-30-0x00000000026C0000-0x00000000026E4000-memory.dmp

                                                      Filesize

                                                      144KB

                                                    • memory/3048-20-0x0000000000400000-0x0000000000455000-memory.dmp

                                                      Filesize

                                                      340KB

                                                    • memory/3048-15-0x0000000000400000-0x0000000000455000-memory.dmp

                                                      Filesize

                                                      340KB