Analysis

  • max time kernel
    126s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 08:00

General

  • Target

    114626620c1c7ac58aa6198abb61d688_JaffaCakes118.dll

  • Size

    239KB

  • MD5

    114626620c1c7ac58aa6198abb61d688

  • SHA1

    f77b1b7efa307797325274b979ffb7b5e26a868e

  • SHA256

    538cf6f7120ccfb4b3a46cef0d8b4038ad18fd701fa440a352c6a3985b5ed175

  • SHA512

    d69d9a1e98257b54770e044609730e72fc61b0010adbb3946348db9830ae4670cf8695d197ce026f80d1eabc181569cc7dff2736556a84dd7b7301e11ed71a03

  • SSDEEP

    3072:tM25gs+jNAFBHZkZ/p20fryPDfMAS3uhpK4mMn3oTiaMYk9y2IF9Mn8YuosT//dD:bCRhsBHyr2HjVn36Zk9y2/n8Yuoe5P

Malware Config

Signatures

  • Ramnit

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Modifies registry class 32 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\114626620c1c7ac58aa6198abb61d688_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4424
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\114626620c1c7ac58aa6198abb61d688_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4824
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2112
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:1528
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 208
              5⤵
              • Program crash
              PID:3644
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2628
            • C:\Program Files\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:2260
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2260 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2360
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2260 CREDAT:82950 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4364
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            4⤵
              PID:5104
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 204
                5⤵
                • Program crash
                PID:3640
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:5076
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                5⤵
                • Modifies Internet Explorer settings
                PID:1092
            • C:\Users\Admin\AppData\Local\Temp\hjbiuncybixuvrbd.exe
              "C:\Users\Admin\AppData\Local\Temp\hjbiuncybixuvrbd.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:2340
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1528 -ip 1528
        1⤵
          PID:4140
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3804,i,1809100026287847100,9768898026582633513,262144 --variations-seed-version --mojo-platform-channel-handle=4024 /prefetch:8
          1⤵
            PID:3300
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 5104 -ip 5104
            1⤵
              PID:1288

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              Filesize

              471B

              MD5

              b9b9f42ce6d2b20bf169d05480d239d4

              SHA1

              32b094cc2ff79f07fcd68d585846b919bc350e4d

              SHA256

              4d16bb8c9a34d4de9d39bb5f0e87095617b5ad551112db17b38b6cb752fbdae4

              SHA512

              36b45c544439c6b1fab4c2fa58712475a65ad467e3da61086c4a953d6587d35f5c6ae7de740863295ae0d3534cbf67d0bed6843d95b6786b50431bfeebcf1010

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              Filesize

              404B

              MD5

              7384aeeb3183419d6f3ed91fb6e6fba9

              SHA1

              af3bc7723b0a0c38693fdd02bc1eb0ee38483635

              SHA256

              f3c509460ccff1291b70d84f052a613451b57e577028e583678aac33adbcd4df

              SHA512

              dee67aedfffde1eb868a6275fb96372362a22881ea561766d0357ea88d4672674cb40dd61686d8cff194f1c3c8b493b3bbca6304b26fe6a98b727e0b955b4bd0

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\44ZGVQ6R\suggestions[1].en-US

              Filesize

              17KB

              MD5

              5a34cb996293fde2cb7a4ac89587393a

              SHA1

              3c96c993500690d1a77873cd62bc639b3a10653f

              SHA256

              c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

              SHA512

              e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

            • C:\Windows\SysWOW64\regsvr32mgr.exe

              Filesize

              109KB

              MD5

              23dcf284359d24e3fbee7741c80f246d

              SHA1

              da45f93fe6c380c9f4b8b6dbba7943cf8b3688b3

              SHA256

              989006203c54720a6f43a83c597aa2564db9b77f4df2b6ff2ba772db0109deb2

              SHA512

              4a70bab783505c246f5a37dbce77a0529bf7c467c9c3f52e9edbef55fd36b735f64bc069ee3cde6939586f605daf895be90dc3604b40fa375b6a023568f2375d

            • memory/1528-13-0x0000000000210000-0x0000000000211000-memory.dmp

              Filesize

              4KB

            • memory/1528-12-0x0000000000230000-0x0000000000231000-memory.dmp

              Filesize

              4KB

            • memory/2112-16-0x0000000000400000-0x0000000000437A70-memory.dmp

              Filesize

              222KB

            • memory/2112-22-0x00000000779A2000-0x00000000779A3000-memory.dmp

              Filesize

              4KB

            • memory/2112-10-0x0000000020010000-0x000000002001C000-memory.dmp

              Filesize

              48KB

            • memory/2112-7-0x0000000000400000-0x0000000000437A70-memory.dmp

              Filesize

              222KB

            • memory/2112-15-0x0000000000400000-0x0000000000438000-memory.dmp

              Filesize

              224KB

            • memory/2112-19-0x00000000779A2000-0x00000000779A3000-memory.dmp

              Filesize

              4KB

            • memory/2112-5-0x0000000000400000-0x0000000000437A70-memory.dmp

              Filesize

              222KB

            • memory/2112-20-0x0000000000400000-0x0000000000437A70-memory.dmp

              Filesize

              222KB

            • memory/2112-21-0x0000000000400000-0x0000000000437A70-memory.dmp

              Filesize

              222KB

            • memory/2112-11-0x0000000000400000-0x0000000000437A70-memory.dmp

              Filesize

              222KB

            • memory/2112-9-0x00000000005B0000-0x00000000005B1000-memory.dmp

              Filesize

              4KB

            • memory/2112-6-0x0000000000400000-0x0000000000438000-memory.dmp

              Filesize

              224KB

            • memory/2112-40-0x0000000000400000-0x0000000000438000-memory.dmp

              Filesize

              224KB

            • memory/2340-41-0x0000000000400000-0x0000000000437A70-memory.dmp

              Filesize

              222KB

            • memory/2340-48-0x0000000000400000-0x0000000000438000-memory.dmp

              Filesize

              224KB

            • memory/2340-47-0x0000000000400000-0x0000000000437A70-memory.dmp

              Filesize

              222KB

            • memory/2340-45-0x0000000000400000-0x0000000000437A70-memory.dmp

              Filesize

              222KB

            • memory/2340-43-0x0000000000400000-0x0000000000438000-memory.dmp

              Filesize

              224KB

            • memory/4824-2-0x0000000010000000-0x0000000010041000-memory.dmp

              Filesize

              260KB