Analysis

  • max time kernel
    145s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2025, 19:22

General

  • Target

    JaffaCakes118_8af1cb2cc60741dbac95ed339a403bcc.exe

  • Size

    644KB

  • MD5

    8af1cb2cc60741dbac95ed339a403bcc

  • SHA1

    82ea9ea3eeb7428d3ae47dd2e505070364589f75

  • SHA256

    840fb5ee19fc8d0ce9ac390ee71a3ee53cfcff5b3978d56c06c2ac981ec414e3

  • SHA512

    8d27134dceb3d9378422caf695cf0ca814cd65bb334d51a96a271a2b79285639e3be6866896337b6e139b9353016cf0f6955289ae28679a5573516bb618f12fc

  • SSDEEP

    6144:T82p4pFHfzMepymgWPnviP6Koa0nArn20l96tCF2eKNBDRlC8HQQDhy5OwbY6ilV:Hp4pNfz3ymJnJ8QCFkxCaQTOllyu

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Renames multiple (91) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops startup file 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 1 IoCs
  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • 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:588
              • C:\Windows\system32\wbem\wmiprvse.exe
                C:\Windows\system32\wbem\wmiprvse.exe
                4⤵
                  PID:1660
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  4⤵
                    PID:1740
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k RPCSS
                  3⤵
                    PID:664
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                    3⤵
                      PID:748
                    • 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:1296
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs
                          3⤵
                            PID:848
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalService
                            3⤵
                              PID:984
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k NetworkService
                              3⤵
                                PID:284
                              • C:\Windows\System32\spoolsv.exe
                                C:\Windows\System32\spoolsv.exe
                                3⤵
                                  PID:1012
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                  3⤵
                                    PID:1032
                                  • C:\Windows\system32\taskhost.exe
                                    "taskhost.exe"
                                    3⤵
                                      PID:1196
                                    • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                      "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                      3⤵
                                        PID:1456
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                        3⤵
                                          PID:2484
                                        • C:\Windows\system32\sppsvc.exe
                                          C:\Windows\system32\sppsvc.exe
                                          3⤵
                                            PID:2520
                                        • 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\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:380
                                            • C:\Windows\system32\winlogon.exe
                                              winlogon.exe
                                              1⤵
                                                PID:412
                                              • C:\Windows\Explorer.EXE
                                                C:\Windows\Explorer.EXE
                                                1⤵
                                                  PID:1336
                                                  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8af1cb2cc60741dbac95ed339a403bcc.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8af1cb2cc60741dbac95ed339a403bcc.exe"
                                                    2⤵
                                                    • Modifies WinLogon for persistence
                                                    • Drops startup file
                                                    • Enumerates connected drives
                                                    • Drops autorun.inf file
                                                    • Drops file in System32 directory
                                                    • System Location Discovery: System Language Discovery
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious behavior: MapViewOfSection
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:816

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • C:\$Recycle.Bin\S-1-5-21-3692679935-4019334568-335155002-1000\desktop.ini.exe

                                                  Filesize

                                                  645KB

                                                  MD5

                                                  385551c497f478a6d3bb4c4e36367e8f

                                                  SHA1

                                                  2588036bfcad4a8e27535ac27361d50c9bc353ad

                                                  SHA256

                                                  3de056316d101b44593a2d21c7162089cf7df1aa17d7017b8c38295e3e974285

                                                  SHA512

                                                  c4ef0f39917440690813d40725dbc88ebc7c83854f5edf58b6945efa30f4a6e28f4de9ccef5e93bbd06c54a1f18df9e92f71d05b8f1b6b25946fe4a6690698c9

                                                • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk

                                                  Filesize

                                                  1KB

                                                  MD5

                                                  de657198062a1eb0fe28d8ee399e7786

                                                  SHA1

                                                  0b1497610c1f7bfb5d14058f70343e15442f9414

                                                  SHA256

                                                  33c5d1c47587f992c68a9c6395195d4ad663250d83f4dcb2b04a2a5ca2d5f668

                                                  SHA512

                                                  c68c3f1df258fc024fac4af0b4f320025a55b953119dd7fa6549806c84cc45d81b51980944c1a9a69ccc526da4b10dde725601e7f6709f3c9bacf00f75d7dd27

                                                • F:\$RECYCLE.BIN\S-1-5-21-3692679935-4019334568-335155002-1000\desktop.ini.exe

                                                  Filesize

                                                  645KB

                                                  MD5

                                                  38a22022e8873f394924f5d294e57a6a

                                                  SHA1

                                                  9c49a9596f494dc11940df83e0d54cc6b132aed3

                                                  SHA256

                                                  aea252005ca9c400e6392c45af26ad6ec433b0c7324b74083119c7cbaf40c3c4

                                                  SHA512

                                                  800af3acf8ee079043a1bb1a2ff300b9af474ad10fd3940112548e0a20f269579d49cfd8698ee6a24361cb3eb5ad176db5fa164f35d48d10b3743c76122604e1

                                                • F:\AUTORUN.INF

                                                  Filesize

                                                  145B

                                                  MD5

                                                  ca13857b2fd3895a39f09d9dde3cca97

                                                  SHA1

                                                  8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

                                                  SHA256

                                                  cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

                                                  SHA512

                                                  55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

                                                • memory/816-0-0x0000000000400000-0x000000000047F000-memory.dmp

                                                  Filesize

                                                  508KB

                                                • memory/816-2-0x00000000774E0000-0x00000000774E1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/816-1-0x00000000774DF000-0x00000000774E0000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/816-3-0x0000000000230000-0x0000000000231000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/816-79-0x0000000000400000-0x000000000047F000-memory.dmp

                                                  Filesize

                                                  508KB

                                                • memory/816-85-0x0000000000230000-0x0000000000231000-memory.dmp

                                                  Filesize

                                                  4KB