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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2024, 00:38

General

  • Target

    fe04ec485f79eb57b6c47d1c074d7be5_JaffaCakes118.exe

  • Size

    174KB

  • MD5

    fe04ec485f79eb57b6c47d1c074d7be5

  • SHA1

    c548200df92465afe3d4b2957ddc0e3572d3fd10

  • SHA256

    40b6b07cd4efa48abb60f3b3630d9e42dcfa4860c8fb3ab984890c17309102bf

  • SHA512

    36984f75fae82724abe32f5ebe6b6a55dc40407dfcd9c0fec3ff64da79ff49cc6326aefcad51c5e7725141bb9596cad15e22a37afc82230baa07888f0f619f34

  • SSDEEP

    3072:dnOn7t7XpdpCCTg/sxFgJDGcBCzSXzpPJG1vkVPPN1JRrQhoi+e:dKpdcCrTqJ8WXCk1VBrQ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe04ec485f79eb57b6c47d1c074d7be5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fe04ec485f79eb57b6c47d1c074d7be5_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\nst2619.tmp\northstar.exe
      C:\Users\Admin\AppData\Local\Temp\nst2619.tmp\northstar.exe /u4d48823a-b8b4-4f4d-b72e-794a5bc06ebe /e4393998 /dT201212271516
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar2968.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\nst2619.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • \Users\Admin\AppData\Local\Temp\nst2619.tmp\northstar.exe

    Filesize

    275KB

    MD5

    a1e2472db630c7043c2fb486a17300bc

    SHA1

    f289644ce703d4050b49ec0606c543a8f3928624

    SHA256

    0e990e290a6c3b4b3a3ac7495bfc197b698799ae840a06586eb5d5cbe74a1bd7

    SHA512

    3571478424b464b17ef58f43ffca57e09e539e4b83ed1a158694ab4f473001ceb37cb72c850d701767625d515f129a14a1f60446ace745517658923467b01823

  • memory/2028-87-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2540-15-0x0000000074040000-0x00000000745EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2540-17-0x0000000000AB0000-0x0000000000AF0000-memory.dmp

    Filesize

    256KB

  • memory/2540-16-0x0000000074040000-0x00000000745EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2540-82-0x0000000000AB0000-0x0000000000AF0000-memory.dmp

    Filesize

    256KB

  • memory/2540-83-0x0000000074040000-0x00000000745EB000-memory.dmp

    Filesize

    5.7MB