Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 05:16

General

  • Target

    JaffaCakes118_487ce12278ea8e217e990f136e121090.exe

  • Size

    1.2MB

  • MD5

    487ce12278ea8e217e990f136e121090

  • SHA1

    4e64dab9d4d8304e3ba38eba9ecd4473e65249da

  • SHA256

    2f6538a8e4209104247eb400e1913982822e2dbf546934a21fa531ef5c6c08ac

  • SHA512

    0270c09c4a1ed38f2c8905df336f535aa0b8751972aa642cd3de650cb947a100437777d1c948f786742da584b9cc120c8727fba86e8b9bcf657e7519db6105a5

  • SSDEEP

    24576:jio3EfzEEK7K65oCVi2MeVBkSSTiiq5ttdyrThXv8Dso78:1Y4En3TqtdyrThXEDR

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in Program Files directory 3 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 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 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\JaffaCakes118_487ce12278ea8e217e990f136e121090.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_487ce12278ea8e217e990f136e121090.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_487ce12278ea8e217e990f136e121090Srv.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_487ce12278ea8e217e990f136e121090Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4428
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5088
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1348
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1348 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4288

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

    febff5e5b64433316ee5f116c5c14309

    SHA1

    55a533777edeed0d18304f073d59d5ca1e5c7737

    SHA256

    888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4

    SHA512

    cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8

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

    Filesize

    404B

    MD5

    a3a76c253cebee1eef3578a14790d854

    SHA1

    b4d45f6321022f93ae2457d36ada6babfb466a4b

    SHA256

    1a8305726f381c15082d61969e96fbacfc5760507266cea052504c5f5ddce524

    SHA512

    8a5a65ca7389cf3ccad6fc56d0b629b5665d287df1da098fe730e30e70840254d46cf7b6f000d7befb79fe7f8815ef85328679506c21e0f7d43bcc17463a880a

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_487ce12278ea8e217e990f136e121090Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/2808-0-0x0000000000400000-0x000000000052C000-memory.dmp

    Filesize

    1.2MB

  • memory/2808-10-0x0000000000400000-0x000000000052C000-memory.dmp

    Filesize

    1.2MB

  • memory/4428-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4428-7-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4428-6-0x0000000000560000-0x000000000056F000-memory.dmp

    Filesize

    60KB

  • memory/5088-14-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/5088-16-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/5088-15-0x0000000000570000-0x0000000000571000-memory.dmp

    Filesize

    4KB