Analysis

  • max time kernel
    136s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2024 15:49

General

  • Target

    5844a335e69cfc879e1e6770b4e88345_JaffaCakes118.exe

  • Size

    672KB

  • MD5

    5844a335e69cfc879e1e6770b4e88345

  • SHA1

    49bf5dccfb9b0006ca579dc582c411a4e5a36291

  • SHA256

    ad6db1ffe6e3e26f3404afcd59bf0364ce07ec425132d15b752c870972cd5652

  • SHA512

    3f24a9df1a53a52266fe39784843380ade5b806fc8b4783ae32808bb0ed54861aa12e8abeb382985eeebf1f68c3a2ee1c5195c843cdbee4d6b8cdb7ddd47171a

  • SSDEEP

    12288:zMjWaZG+drDGBa1as8jI2CbRfWfhcZvgi3l4E+wI92/09JP6Q:xP+wBUJ/9YW4A5+wMo0e

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5844a335e69cfc879e1e6770b4e88345_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5844a335e69cfc879e1e6770b4e88345_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\cjefvnhv.cmdline"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2572
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6AF0.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC6AEF.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:872
    • C:\Users\Admin\AppData\Roaming\5844a335e69cfc879e1e6770b4e88345_JaffaCakes118.exe
      C:\Users\Admin\AppData\Roaming\5844a335e69cfc879e1e6770b4e88345_JaffaCakes118.exe
      2⤵
      • Executes dropped EXE
      PID:3004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 12
        3⤵
        • Program crash
        PID:2060
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3004 -ip 3004
    1⤵
      PID:5052

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RES6AF0.tmp

      Filesize

      1KB

      MD5

      820dbd4f71da48586992d83fd1e1891a

      SHA1

      2323b63242084d9b70fcb4a46620ae438e3cafc1

      SHA256

      9b4a7de083e39ff548c1c6369390f2dffb2bf84ce84b1540b84fada4eea6c704

      SHA512

      4754845c37f78b298afa951184a063ccf8d57031ccc043508b734b68e71a7eb151d3c6e1c76c63e03d82ce1159ad8de6ac06b97af26a31d81693e8f6c50d5094

    • C:\Users\Admin\AppData\Local\Temp\cjefvnhv.dll

      Filesize

      5KB

      MD5

      af412df5d114201529928c098362b729

      SHA1

      52b8068315c8fd674d88de640b49cd3ca574e9c3

      SHA256

      d965f3a5e2599eb230e2a67f138a0c51f84cdbc48f85800f4123272958d21960

      SHA512

      21e4ce64821f7fd0f87959c7432318ddbd2a2ddaa3ffa4ca23cf254b9d64fc524ea6da157c59791575604517f31ccbd337e1e36e491b35018b2eebb00f7541f3

    • C:\Users\Admin\AppData\Roaming\5844a335e69cfc879e1e6770b4e88345_JaffaCakes118.exe

      Filesize

      6KB

      MD5

      d89fdbb4172cee2b2f41033e62c677d6

      SHA1

      c1917b579551f0915f1a0a8e8e3c7a6809284e6b

      SHA256

      2cbdc0ddc7901a9b89615cc338f63e1800f864db431e7a7a85749f73cba0b383

      SHA512

      48941f08ae00d342b52e3255b99ce36abb4e46a48075a760869bc86b1a32c0737eb2bd5e43d5ee665303ab134282f9732738755c4027043ed2d4f414faab63ed

    • \??\c:\Users\Admin\AppData\Local\Temp\CSC6AEF.tmp

      Filesize

      652B

      MD5

      aa3b98a5f671c591734d20ac23a5f96c

      SHA1

      a0d5517ea6f36d67122632f1badf0299b097d871

      SHA256

      bea3cbe29f0985cb6f3d35ff15f68869a9182629776e0260903fc2e526717844

      SHA512

      7cbb190facf867e03958bfe50c8cb521e3657f88c459cfbbf37cc9ab7ddc143d627590df3b462c9c23fd5f842ab81293d42b24bf798222819d11fcc90c0de1a6

    • \??\c:\Users\Admin\AppData\Local\Temp\cjefvnhv.0.cs

      Filesize

      5KB

      MD5

      cb25540570735d26bf391e8b54579396

      SHA1

      135651d49409214d21348bb879f7973384a7a8cb

      SHA256

      922ec415710a6e1465ed8553838ddf19c8deb32b75da6dfaca372c1067d2d743

      SHA512

      553ce9d3647b196ccbd6612c06d301afac992130ec5c80fe8fa8a42bab4250053fad651227ff97d9fab4ba8aaff562d421236dc0b2b5d0d4a17430985dd07080

    • \??\c:\Users\Admin\AppData\Local\Temp\cjefvnhv.cmdline

      Filesize

      206B

      MD5

      a8e39366015efbab95978d5c841c332b

      SHA1

      d6fdbd7adaa5c0de4e8053551f67f2ae091fd184

      SHA256

      b0b4ab707cb675b96509ea4c1a7921828dec0c81e5cda0bcbb421fc58ead0ab8

      SHA512

      fe4d6d7c041d87b6de74b46e3c8ae506f07e61799d864fee83b73db65829df2366063950e71c6072612aee8986050f03ec5ea82c59387e9b523f109e87454872

    • memory/1204-0-0x0000000074802000-0x0000000074803000-memory.dmp

      Filesize

      4KB

    • memory/1204-1-0x0000000074800000-0x0000000074DB1000-memory.dmp

      Filesize

      5.7MB

    • memory/1204-2-0x0000000074800000-0x0000000074DB1000-memory.dmp

      Filesize

      5.7MB

    • memory/1204-25-0x0000000074800000-0x0000000074DB1000-memory.dmp

      Filesize

      5.7MB

    • memory/2572-10-0x0000000074800000-0x0000000074DB1000-memory.dmp

      Filesize

      5.7MB

    • memory/2572-17-0x0000000074800000-0x0000000074DB1000-memory.dmp

      Filesize

      5.7MB