Analysis

  • max time kernel
    125s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 22:14

General

  • Target

    0fb826a66826e677e1d4e4afa87faaf3_JaffaCakes118.dll

  • Size

    193KB

  • MD5

    0fb826a66826e677e1d4e4afa87faaf3

  • SHA1

    344a0fddd8a8a4ea503bc1a21e58eebaa88674ff

  • SHA256

    4e9ea3d42fe632b08b77b4a05c7c7f4de451d8a3eda6525f458a9dd35bebc22f

  • SHA512

    3f9b0f7bd49e8bd3c423cce39443e71535d6349a0cf97b276cf0cdb50fe3688f71d8700f15a44c93bbf6b48408a221e5725dc6b505ee8038fcad4bb9df4fc7b9

  • SSDEEP

    3072:j73MITL/9oSmkbx3ZtffjBTnIwanLMGL99ZgyXf9MWebpjMGlDCdrM:/dTpountf75Iwkz7vBsGdM

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0fb826a66826e677e1d4e4afa87faaf3_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\0fb826a66826e677e1d4e4afa87faaf3_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:960
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:2532
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:4516
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4784
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 204
                6⤵
                • Program crash
                PID:3036
            • 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:2800
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2800 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:944
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              PID:4020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4784 -ip 4784
      1⤵
        PID:3100
      • 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=3236,i,16488180140590516186,11762960689811837350,262144 --variations-seed-version --mojo-platform-channel-handle=4196 /prefetch:8
        1⤵
          PID:3312

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\Microsoft\WaterMark.exe

          Filesize

          96KB

          MD5

          8c51fd9d6daa7b6137634de19a49452c

          SHA1

          db2a11cca434bacad2bf42adeecae38e99cf64f8

          SHA256

          528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

          SHA512

          b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

        • 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

          6ea30a1796915e03b6fac597510cd726

          SHA1

          396cb531cd5f66fed765e41936104b805aa19d3b

          SHA256

          6ba9bd6874a03f2b02a19e0f275873cbf7304f3211767fbf698d49d3aaf35e75

          SHA512

          5e5c9e4174d6fdbe333f3c53bb42035263fb36688a5806db63dd4014f48c923ff5ac876f86386a861d324022771d8da08198bd81f42e90ba12dd7eb8f594b51f

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

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • memory/960-4-0x0000000074BC0000-0x0000000074BF3000-memory.dmp

          Filesize

          204KB

        • memory/2532-5-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/2532-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2532-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2532-17-0x00000000008B0000-0x00000000008B1000-memory.dmp

          Filesize

          4KB

        • memory/2532-14-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2532-11-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2532-10-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2532-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2532-8-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4516-20-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/4516-29-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB

        • memory/4516-31-0x0000000077222000-0x0000000077223000-memory.dmp

          Filesize

          4KB

        • memory/4516-35-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/4516-34-0x0000000077222000-0x0000000077223000-memory.dmp

          Filesize

          4KB

        • memory/4516-36-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4516-28-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4784-32-0x0000000000700000-0x0000000000701000-memory.dmp

          Filesize

          4KB

        • memory/4784-33-0x00000000006E0000-0x00000000006E1000-memory.dmp

          Filesize

          4KB