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Analysis

  • max time kernel
    93s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2024, 12:21

General

  • Target

    e772e150a753d87b3d3c7b8d22edd3c9_JaffaCakes118.exe

  • Size

    786KB

  • MD5

    e772e150a753d87b3d3c7b8d22edd3c9

  • SHA1

    71f8304e6ebeb45d02886bc2e4dd9042258d0666

  • SHA256

    c180dd5d4165f5601c0302d203acb1ad6b729759d7fc07a52a29d483e5f919ba

  • SHA512

    352611cd1fd42641f4894a100a5748035bbdbc1614007f3731662ec965af7757c76ac4f07af4d83a9c4a5258dc01ed94fa02de32730965830820753916491c22

  • SSDEEP

    24576:53ZEqn4on6JnmHFBiogPHobg0Dy6qlL5M5uZZMq:nnnn6JkrgPYgdM5+Sq

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 4 IoCs
  • Drops file in Program Files directory 30 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e772e150a753d87b3d3c7b8d22edd3c9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e772e150a753d87b3d3c7b8d22edd3c9_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" http://www.yftk.cc/
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1012
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.yftk.cc/
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4136
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4136 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1832
    • C:\Windows\SysWOW64\Wscript.exe
      "C:\Windows\system32\Wscript" "C:\Program Files (x86)\soft042902\b_0402.vbe"
      2⤵
        PID:3848

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Flasha\Flasha.exe

      Filesize

      1.4MB

      MD5

      548f8a2766a9c75c9c43c5d583e80d34

      SHA1

      0259de3e8fe1e5d99bae06aa65253d1e7cc1419f

      SHA256

      a4eee83f86d97bfe06b96c9fea3228f392bd5d1c1ea05499bfa26956dc039dcc

      SHA512

      4324f721690ccc8ef62f2ac27a45717c0892f7747695e4800300c497c04b60dae0e3194c4ea5fafdfeb72f94665f31d97e3bf5f6c142f32d14bf3207eaa5e26d

    • C:\Program Files (x86)\soft042902\b_0402.vbe

      Filesize

      1KB

      MD5

      4df71266b02c331550fabb2df9fc4306

      SHA1

      8f97b2be84892047c9320a84f943b5e27d843e6a

      SHA256

      6ecc81e75f7bc9f5c9824ce582899e59820b67b596384a771f87527c6837a8da

      SHA512

      a5d54e0e68cb8740fe452e71f4f8d0c641a54997a9517aae1a05f7297305f654297fc480b95d27b68db63ffccaf424e7b3439b22b9e4f93665d4a58c2b1ee8a3

    • C:\Program Files (x86)\soft042902\w_0402.exe

      Filesize

      2B

      MD5

      625befee7ca7b72872b5167a627918f1

      SHA1

      33fb68b83b0277a85e63c2eb1684c2f725046b8e

      SHA256

      6a9997023a65253995105d37bf8f950a39d5e75667f1b8e0a65bf12f2ddf06c2

      SHA512

      3993798f0742816df50822adeada931ceee18fdb7a98e1b3c97239868dffbd73e02db14dcc474a7e69d5bad9b43019587b0035ae835a1f10b007015cdbdcdbcd

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

      Filesize

      471B

      MD5

      39dd625b01652b616f218d3ddd2cf208

      SHA1

      d743d761bbfcb8cfc9b197bf3e903154f0255113

      SHA256

      885889906cf0a34f41de313074d706b129d988dc1d8b944dbdcf4e1d4e460b77

      SHA512

      b9f61ef3bbf3f7324ac0852c1c49a7a1c576b9168238eb16a15023916cbf1370d49787e8d05e58dbcc6ee8b23427f12a50d203de0ab3226eb6e1a80ee9637f80

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

      Filesize

      404B

      MD5

      aa016c69b1912c0f1cbe9696a3f91870

      SHA1

      346e1a95ff0a82fec3d7d2e09077522c7abda89d

      SHA256

      b30226753084cfb354ddd5535b060be9e5cb26146cc69d9ec5eebb400c9462c0

      SHA512

      a8e4584793e3aa82e9bccc9268679ceccd1a345d4cb0da670b15a638c80e91dd4f825806ebe02e0c1ba1e426f3b556bb9c4be0c44bcd12771aad63bfe8263f22

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verAD18.tmp

      Filesize

      15KB

      MD5

      1a545d0052b581fbb2ab4c52133846bc

      SHA1

      62f3266a9b9925cd6d98658b92adec673cbe3dd3

      SHA256

      557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

      SHA512

      bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

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

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • C:\Users\Admin\AppData\Local\Temp\nst3598.tmp\NSISdl.dll

      Filesize

      14KB

      MD5

      254f13dfd61c5b7d2119eb2550491e1d

      SHA1

      5083f6804ee3475f3698ab9e68611b0128e22fd6

      SHA256

      fd0e8be2135f3d326b65520383a3468c3983fa32c9c93594d986b16709d80f28

      SHA512

      fcef8ac5bd0ee6e316dbbc128a223ba18c8bf85a8d253e0c0877af6a4f686a20b08d34e5a426e2be5045962b391b8073769253a4d9b18616febc8133ccf654f7