Analysis

  • max time kernel
    104s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/04/2025, 11:57

General

  • Target

    JaffaCakes118_b494b160988f95c85119ea973f54a9e0.dll

  • Size

    904KB

  • MD5

    b494b160988f95c85119ea973f54a9e0

  • SHA1

    0b93eccd0000a1c5841c953fbe2600a10bc7b3cd

  • SHA256

    ffc83ceb68656785284b208d01533eac13607bf152f3ac49f28d12ca292c8ac7

  • SHA512

    397a04352db620917d2a34a927038e1b1b610f8daa6d72fbbdbccaac9786926d9389eaa01c9a0b2ef3ccc6b9b5071f11b446e263b4ba6c4e5ee9c6a4e1fab7bd

  • SSDEEP

    24576:0IZ9+e3LFRbk4vQL9TQVt5OntyUmP10wauIOmn1mmb18jfB/csw50jfBP:zQZ0Br41Lb1sTB

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b494b160988f95c85119ea973f54a9e0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b494b160988f95c85119ea973f54a9e0.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4344
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:5148
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:5764
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4940
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 212
                6⤵
                • Program crash
                PID:5456
            • 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:1524
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1524 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3368
            • 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:4740
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4740 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:6084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 608
          3⤵
          • Program crash
          PID:2912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4344 -ip 4344
      1⤵
        PID:2564
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4940 -ip 4940
        1⤵
          PID:2480

        Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

          Filesize

          471B

          MD5

          15edd1b18d01ba2a613d62919ed706ab

          SHA1

          702cd3e62466b46eaa362e11fdeb5add76ba97f1

          SHA256

          beecd9f01075baf462dfc3e075918ee42b914d03e6704f94fe1a41526a6f0f72

          SHA512

          9176a541226bb43e5ff8ef7dcb558e44776e788ff80aff00b3ea8715a64d850b714586aafb0bdd1bac5d24b85357367a991915b89818242fb693f54edf7859f0

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

          Filesize

          412B

          MD5

          659aefc56a321c7f7b13d79c81022da4

          SHA1

          ba05244434c4b079082d777d23b6bc97ebb6aba1

          SHA256

          0084b8ca495a8c850fa1a97e348bd3b47860dfc681c095d041f05c091d00cfb8

          SHA512

          969f4a6886a34ae5e4fcbbf67982c865b843bf1fc503d50e1717608425d080967bcea92ac3baa6e9c5c8ac7d485c2ef6501fc13bf6cc70684ee5bb8ef00b5bb8

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

          Filesize

          412B

          MD5

          13a2b4d0124173a4898172d68c048957

          SHA1

          458702697395f8630055c304dfbf27bc1920c2ef

          SHA256

          afb3ef290e54e84f0630958820e6efb8ce52782015ce549891ae469a3ace9834

          SHA512

          57966315c18713b2b0fcda6ca54b8ccbaa5cd2bf0248d4442c8246f113bc90aebffaf234803febcd64055690abf8a402e6069e7a70fdfac574eba525ccb32539

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{702CCE90-185E-11F0-9A21-72529A3F0444}.dat

          Filesize

          3KB

          MD5

          6662c7ac45dc23d01d24020540b7edf0

          SHA1

          e3a80dc05a16bf26e2ba425bdaa6e64bd81017fd

          SHA256

          35214d2471896ba1a381688c399fc76b235732921c1fac52d305013cc3723a21

          SHA512

          75ff28e1b19851a2873b458f002378e94240bc01ace0618c07b53a35f2613cf198e1c475f3a76cffa45557830ae8d849617bf01042346966c92b669a592ef2d7

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{70319375-185E-11F0-9A21-72529A3F0444}.dat

          Filesize

          5KB

          MD5

          77223653cc9d6507a6dac855e9cbde07

          SHA1

          64bb1890ba59bd2bf2d2b211cff9cf5d155e91cf

          SHA256

          d7bc7c11f4079f1157a679d19e5a666f505896d1f322d57e33f0bfd3eebb5907

          SHA512

          5a52fe80093e4637198966a7220b28508306b5d4c3c159b9c733f679a08d5292f626dbed7e1a8254951a1400660896dd565cf359b4f5272ea9b1100b0d37d1ad

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\SPOS9D3T\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          423KB

          MD5

          5c282cc69b8932ab64e6dd2f29f64309

          SHA1

          d503253b304cbe43d4b3c25dd6574ce6dce8bada

          SHA256

          3b2a8c64dc66a32543f22df3a2271ca07319428e48a532037d34adfb324cd4e4

          SHA512

          131f855df09cdf945b3a9462b59ba86bc74d190e9b59357518fb0c9365dab9e86905d00d0cfd8d394b12a548a2f9ca5819119118b7356692a8f0db963671332f

        • memory/4344-35-0x0000000010000000-0x00000000100F0000-memory.dmp

          Filesize

          960KB

        • memory/4344-1-0x0000000010000000-0x00000000100F0000-memory.dmp

          Filesize

          960KB

        • memory/4940-34-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

          Filesize

          4KB

        • memory/4940-33-0x0000000000F10000-0x0000000000F11000-memory.dmp

          Filesize

          4KB

        • memory/5148-10-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5148-25-0x0000000000401000-0x0000000000404000-memory.dmp

          Filesize

          12KB

        • memory/5148-15-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5148-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5148-11-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5148-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5148-8-0x00000000008A0000-0x00000000008A1000-memory.dmp

          Filesize

          4KB

        • memory/5148-13-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5148-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5148-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5148-5-0x0000000000401000-0x0000000000404000-memory.dmp

          Filesize

          12KB

        • memory/5764-29-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5764-36-0x0000000077322000-0x0000000077323000-memory.dmp

          Filesize

          4KB

        • memory/5764-41-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5764-42-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5764-38-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/5764-37-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/5764-28-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/5764-30-0x0000000077322000-0x0000000077323000-memory.dmp

          Filesize

          4KB