Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 22:16

General

  • Target

    JaffaCakes118_60f54ec894b5793f56ba4eafb946bda8.dll

  • Size

    160KB

  • MD5

    60f54ec894b5793f56ba4eafb946bda8

  • SHA1

    baa186ba4cbf0f43515a05a9026b0c0fed1de6b4

  • SHA256

    43b08ed1b50defc142d7cd5bcbc75775e9894865fe917616dd8f245c4b7b8028

  • SHA512

    3c9fec3364139a4dbe245b3051dbfaafd4524e1f8933a3a919253eebe0803fcc1ee12b76c51251e35a174a13bcfb43ae2ac66cf4be13552b3fa5bb649e005863

  • SSDEEP

    3072:9x73qAAdzsMbdNWIlqTWz9mqLQG1WKvpHwC2F1kkl76GAmCRYR:PqAAdzhWIlqArfvc1f8RYR

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 55 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 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_60f54ec894b5793f56ba4eafb946bda8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60f54ec894b5793f56ba4eafb946bda8.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4696
      • 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:3836
        • 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:3600
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4312
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4312 -s 204
                6⤵
                • Program crash
                PID:1600
            • 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:3860
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3860 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2020
            • 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:5076
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5076 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2060
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 608
          3⤵
          • Program crash
          PID:4520
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4696 -ip 4696
      1⤵
        PID:4884
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4312 -ip 4312
        1⤵
          PID:3968

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          471B

          MD5

          30f59b20e935520badc298242cb4cff1

          SHA1

          00622b2054eb148a8459c2ccd0b22606c2d5c7f6

          SHA256

          4a981d199e551f2b8c8fa22f0e3fbc264e876e5ed243d83331b2a6083a753e3c

          SHA512

          f22ca09eb3266cee3f363e4f3f955745382679d136d61e7c27f81081cd77efa5f82f82220526928f73049e692b7c060f64032dfae0f967c579c6e6acfd2e8d21

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

          Filesize

          404B

          MD5

          f994d18e32957a9a3ede07763324e4c8

          SHA1

          fa44630c08a1db4d0deb8dd30303ecb91c255d67

          SHA256

          0242750736c4371e567b7ea6bf26b5e0af5cae779ddde78441dc3cbd3b13adf3

          SHA512

          3ad23a7a5d0c57b6508a2d707389c0dfedf2dfee912a41137248d7293c1d9ce8ac02dced939107ceea291cf76f5509b604676bf1a73153a6fc142b1159c9cdc9

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

          Filesize

          404B

          MD5

          76555ef80ec7216ef6234552c52c4015

          SHA1

          28e8e9a1323d88e7397f2d46e763327156193942

          SHA256

          64cb88d9a8ea74559371dfa682074586066b9e1d417936dfdf1059d3fa77d194

          SHA512

          1f2bbb165e89a9c24cb4a26f6ea8c63b2ef084710bde0d66897b2dc2fcc186dc6303a798b228e400f62e527ce126360ab2c55a410901077677f023df1c26ec75

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{01F690F4-C88E-11EF-BEF1-F6235BFAC6D3}.dat

          Filesize

          5KB

          MD5

          54074f83fd081054fe95fbefcda31900

          SHA1

          51baf08cebc96240b9087ca2c9489e58576bcc78

          SHA256

          2b9d62ac25bf02fc74e814216926c4eff4ad6fe50e5194ff77ab9781486f6629

          SHA512

          c0099ab8cd5717b77fcc8f4866ef3f12854237e8131582a120328a4b6a378195877c2d6ecb8c84bf635386c7625e81d701145441c7a8a5ce89ddeed8377d0727

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{01F8F333-C88E-11EF-BEF1-F6235BFAC6D3}.dat

          Filesize

          3KB

          MD5

          7bdfd1a8d6ff4a0e2a16a46d3f11dc10

          SHA1

          6cc0224b8f281f98180976f63e8e4fcc2bac254b

          SHA256

          75269218f7677000fc04054bfe04fd33d3904648ce4ab92e1ce590be4829cfc2

          SHA512

          70c67ef6d873c928dc7277a356e9ae986c3725438b16b9a56a9acc9e400ccf52d111726990e42a41bfb2bd4c4526cd96540d5b1fd1a24162e425f934f827ed14

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verE493.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          115KB

          MD5

          025f8daf6c15828fa98572834dce820b

          SHA1

          a4211df9e7a1217f548e12da5bac30bb53feb3dc

          SHA256

          2c7a3d28a94577dd29d9c0c3d47566c2ed58359f31db07c41e54cdae10a49453

          SHA512

          1de0bc679af8f7c7ff8c82b9998d805d10a66aaff77fcc7fcb22eefa78495c6f6d5f94d0badd965620524d684d86c7e092aad5c9cf793af72857a42541af1446

        • memory/3600-41-0x0000000077CB2000-0x0000000077CB3000-memory.dmp

          Filesize

          4KB

        • memory/3600-39-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB

        • memory/3600-45-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3600-23-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB

        • memory/3600-42-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3600-40-0x0000000000170000-0x0000000000171000-memory.dmp

          Filesize

          4KB

        • memory/3600-34-0x0000000077CB2000-0x0000000077CB3000-memory.dmp

          Filesize

          4KB

        • memory/3600-32-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3600-33-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB

        • memory/3836-24-0x0000000000401000-0x0000000000405000-memory.dmp

          Filesize

          16KB

        • memory/3836-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3836-5-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB

        • memory/3836-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3836-6-0x0000000000401000-0x0000000000405000-memory.dmp

          Filesize

          16KB

        • memory/3836-8-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3836-11-0x0000000002360000-0x0000000002361000-memory.dmp

          Filesize

          4KB

        • memory/3836-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3836-22-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3836-10-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB

        • memory/3836-13-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3836-15-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4312-36-0x0000000001080000-0x0000000001081000-memory.dmp

          Filesize

          4KB

        • memory/4312-37-0x0000000001060000-0x0000000001061000-memory.dmp

          Filesize

          4KB

        • memory/4696-1-0x000000006D1C0000-0x000000006D1E8000-memory.dmp

          Filesize

          160KB

        • memory/4696-38-0x000000006D1C0000-0x000000006D1E8000-memory.dmp

          Filesize

          160KB