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Analysis

  • max time kernel
    92s
  • 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
    21/01/2025, 22:48

General

  • Target

    JaffaCakes118_081dfb098329f114ddf2ea6c0e08971f.dll

  • Size

    96KB

  • MD5

    081dfb098329f114ddf2ea6c0e08971f

  • SHA1

    4e7227a7394e7f3ea721f348189d9455bcc8af25

  • SHA256

    5b34a3a0ed041cb5862736de615e25c9df54cbf7c363d9af32a0da8b182d901c

  • SHA512

    bedd8fb52ca348de81652cbabe86fcc2f0ea19c3ad91931381e511ae9d452b9d74f7a76d7d9781fca074f742ec93869fe924f2695964dfbae56362f096b7a2dd

  • SSDEEP

    1536:wiBIdkwPKXiuPolyxfYXtU0FnoHD0dLNoENgnaHagM:VGd5SXiwr8R+eLaENgnarM

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 45 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_081dfb098329f114ddf2ea6c0e08971f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_081dfb098329f114ddf2ea6c0e08971f.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3920
      • 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:4384
        • 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:2696
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:112
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 112 -s 208
                6⤵
                • Program crash
                PID:1504
            • 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:2384
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2384 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:752
            • 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:1840
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1840 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3920 -s 608
          3⤵
          • Program crash
          PID:4328
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3920 -ip 3920
      1⤵
        PID:3352
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 112 -ip 112
        1⤵
          PID:3116

        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

          fbd57568c7e969025fd7a77d6a9e5f45

          SHA1

          d8c221556c7dbeb55cbfe80a3006b6578e2ae4bd

          SHA256

          b820d32dc781d4a3af1cc452d73d4f57e1d963da4cdec90cb0660837657c8328

          SHA512

          c8d4e5b78e01570d02f0953bd0ebd818ed2985dfc5006ba39ce101693f1bc9de8550b9149d3028911ec5c1371b813f0bc8391d10294e04022b52a91c3d47f5cf

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

          Filesize

          404B

          MD5

          39588be05607914622b13304c5cd3bdc

          SHA1

          0bcd597dc933f864504c5fe123c263580c41c037

          SHA256

          8588a00893670430bf48da73a22094fa02586a2c62d753cbeb05969217965dbc

          SHA512

          e5c1d69e6f5a62eeb9a908188beaf34e4f0c0372a77274028c5cce88b1dcf6ae64b1e27da1b6ed0ede54aef329eb2fa7fc1f868b919781cd30e4c02548e56332

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{CD0CF0C2-D849-11EF-A7EA-EE8B2F3CE00B}.dat

          Filesize

          3KB

          MD5

          0c81290550e2c9590a169c88f6666522

          SHA1

          71bb2d4fea04810641cdcf4f56e15452c115a569

          SHA256

          f3f461c7d2f765bc51e18c25833839e7186e04e4a11491fc2877f0666a41cf59

          SHA512

          cf05a9080153bfb01740d2160b4b80c6705f8207a15dbde91920169379ec5ef33400e1fb21ed3fa6ffd7ca1fc6c1bac275041bc2237712d4a3ed056f3bc1a665

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{CD0F547F-D849-11EF-A7EA-EE8B2F3CE00B}.dat

          Filesize

          5KB

          MD5

          8ce6d0f1d2379b1a2d36e5d62b6b7152

          SHA1

          6b0eba27e5d026026a5688fe9f1ef60f64e7d44b

          SHA256

          a4b1babbd25f4b6a7f2345acaf8e7c726dfa1751c2fa2b15454877e3166d8d46

          SHA512

          eba7fb21cb59d67117533d92f4f18c1579c6f89ad4c24ec9ae53eec7003f8ffe1d395a758484e2f6b98ed3deaa15fc56122713d6b00c77901587561b806942f6

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          60KB

          MD5

          94f2f6ffbba8e7644668b51b39983916

          SHA1

          63357bbdf90101969117983dbc0d4ed0e713c4d7

          SHA256

          ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

          SHA512

          d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

        • memory/112-32-0x0000000001290000-0x0000000001291000-memory.dmp

          Filesize

          4KB

        • memory/112-31-0x00000000012B0000-0x00000000012B1000-memory.dmp

          Filesize

          4KB

        • memory/2696-34-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/2696-27-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB

        • memory/2696-28-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2696-26-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2696-39-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2696-37-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/2696-30-0x0000000077062000-0x0000000077063000-memory.dmp

          Filesize

          4KB

        • memory/2696-35-0x0000000077062000-0x0000000077063000-memory.dmp

          Filesize

          4KB

        • memory/3920-1-0x000000006D200000-0x000000006D218000-memory.dmp

          Filesize

          96KB

        • memory/3920-33-0x000000006D200000-0x000000006D218000-memory.dmp

          Filesize

          96KB

        • memory/4384-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4384-10-0x00000000008B0000-0x00000000008B1000-memory.dmp

          Filesize

          4KB

        • memory/4384-13-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4384-11-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4384-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4384-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4384-5-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4384-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB