Analysis

  • max time kernel
    94s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2025 04:58

General

  • Target

    JaffaCakes118_0687cfa73254d4d8dd75e2d3dfa2e2e9.exe

  • Size

    95KB

  • MD5

    0687cfa73254d4d8dd75e2d3dfa2e2e9

  • SHA1

    feb26aa379cfc93010923cbfb829a0ae00a9b81f

  • SHA256

    1f203d89b2750815f7f0d6aa74c3293aeecf0fadef0c868abd7bfd6d8455095d

  • SHA512

    8bd3f0ecbf6327c58eb6ac0825ae4c622d2c273644f9fd881b317428d9d2f4e52bcaf05d1349cdf7572391949881f50dbf4e1b9a498af29091da6ae6e238a00d

  • SSDEEP

    768:j06R0UMOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9I/:hR0Tn3Pc0LCH9MtbvabUDzJYWu3B

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • UPX packed file 14 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 50 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0687cfa73254d4d8dd75e2d3dfa2e2e9.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0687cfa73254d4d8dd75e2d3dfa2e2e9.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • 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:1684
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:4436
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 204
            4⤵
            • Program crash
            PID:1428
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3892
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3892 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2948
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4936
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4936 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4436 -ip 4436
      1⤵
        PID:696

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        95KB

        MD5

        0687cfa73254d4d8dd75e2d3dfa2e2e9

        SHA1

        feb26aa379cfc93010923cbfb829a0ae00a9b81f

        SHA256

        1f203d89b2750815f7f0d6aa74c3293aeecf0fadef0c868abd7bfd6d8455095d

        SHA512

        8bd3f0ecbf6327c58eb6ac0825ae4c622d2c273644f9fd881b317428d9d2f4e52bcaf05d1349cdf7572391949881f50dbf4e1b9a498af29091da6ae6e238a00d

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

        Filesize

        471B

        MD5

        05a55aacc33432fec9fea490f5c69442

        SHA1

        bd2dd697d6e49290ff51f6f8e2db9bde87e72860

        SHA256

        65d742646568766a452eafac7bd80d140b7acfcedb5cd55923fbcc0f3cd2fa43

        SHA512

        91aa6dc1cb9632f1b9fec82da928a3e49d5531298e264228eba79ae38d530377a78af5f0beef9763d7d624acbdbe93bfffff4caf5b8dc29fa4d9b8d01514e5a5

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

        Filesize

        404B

        MD5

        3f043d106613a9b4fa840a91ed613cf8

        SHA1

        981db6636d8fd614bf6d01100728c3799e7546d3

        SHA256

        053e06499e0a3a291ceaa4afbedcaa263c6d1f3db0a0fe10e23a94097557e3f8

        SHA512

        e2a4695561082d6cc6ae229ad8cd4848a709610261b1357b7fc2343c08cfdf375b296ef1d0010659365f7a1832101aa217aeb640d43624bd03f4494f9c543a0d

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

        Filesize

        404B

        MD5

        0e6befe35d5ac03d9be89a41e28e688e

        SHA1

        6da6379b1f631c7de1ae559b4805aee38b9b1310

        SHA256

        e6b98be8cd79012be5ff8e68c34492c106a4aa605f1759dd0e49ffdcb868e928

        SHA512

        41efe656e51bd75d73446a6360842f8c7501e2ea5274a69ecb116ab6b9e727ad980b79c312d7eeac90fe576a8529309da870c1988a7ca7f05b30010a87f934fb

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{E22946CC-D0A1-11EF-BEF1-5227CD58F2D9}.dat

        Filesize

        3KB

        MD5

        e1bca7420bfc1d0ca02dc223e4762b32

        SHA1

        b1b5993095eebd33524c0dfb20bc0f9dc295ad7f

        SHA256

        b99e8aa6728b23352a0ad29447017ac3053534cf3ba6909b790a7fa8ef297486

        SHA512

        5bf37d3991f6b564a6cc1b952cd2c0933350f97f1b1107c040257cd1adf5e7fc284ae59fb4d3c697edb451c003258dbad1e170b0b577a3ab73444502866c8e27

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{E22BA8FB-D0A1-11EF-BEF1-5227CD58F2D9}.dat

        Filesize

        5KB

        MD5

        a1bbfe662e393d7cf2fe0b294b5dd2ec

        SHA1

        e495fa7258901f9a7948da3790787d451067c258

        SHA256

        376e13aa70e653bdbf08a13134e48c0740e8c30230552d9f38da2bd9b2f07637

        SHA512

        f466f7fc869ef8d4dfeedaa1679ca9e33c82ab42c9679a975dd42116d697a5199dd891b65c0c12dc9d07fb8732e1eb61d540799cdf6330a3cada7397bba9af51

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verFC61.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

      • memory/1684-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1684-24-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1684-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1684-28-0x0000000077D22000-0x0000000077D23000-memory.dmp

        Filesize

        4KB

      • memory/1684-27-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/1684-25-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1684-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/1684-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1684-35-0x0000000077D22000-0x0000000077D23000-memory.dmp

        Filesize

        4KB

      • memory/1684-33-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/1684-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4436-30-0x0000000000360000-0x0000000000361000-memory.dmp

        Filesize

        4KB

      • memory/4436-31-0x0000000000340000-0x0000000000341000-memory.dmp

        Filesize

        4KB

      • memory/4512-21-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/4512-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4512-0-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/4512-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4512-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4512-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4512-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4512-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4512-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4512-6-0x0000000002C70000-0x0000000002C71000-memory.dmp

        Filesize

        4KB

      • memory/4512-2-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

      • memory/4512-1-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB