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Analysis

  • max time kernel
    146s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/04/2024, 21:39

General

  • Target

    e35861d845057356fd7c600cf895bb0a_JaffaCakes118.exe

  • Size

    41KB

  • MD5

    e35861d845057356fd7c600cf895bb0a

  • SHA1

    5119b59327cef622c7bde65d973f6d0bbbfee4d6

  • SHA256

    8bd5a7eafd012d57bc62ca67641e4c452c65ac427b8189ffec5a125f1f2c9f67

  • SHA512

    cbd077c9d6df6f372ce7b623ec92ecdee287914c92e2785c6694f717473172880de1e8e185085d955e071d5260f74d8c3cf4c0b7991067ee0522344c08756499

  • SSDEEP

    768:+PkvNw63+ePI0LJRt/0fHrR4HPGEk+8hXR+jp1IhlRRjzjVUFRdT:qJe3LJr0V4HPGEjCXR+MTTVUFRJ

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e35861d845057356fd7c600cf895bb0a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e35861d845057356fd7c600cf895bb0a_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Program Files (x86)\Common Files\System\rtproc32.exe
      "C:\Program Files (x86)\Common Files\System\rtproc32.exe"
      2⤵
      • Modifies firewall policy service
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Program Files directory
      PID:1992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Program Files (x86)\Common Files\System\rtproc32.exe

    Filesize

    41KB

    MD5

    e35861d845057356fd7c600cf895bb0a

    SHA1

    5119b59327cef622c7bde65d973f6d0bbbfee4d6

    SHA256

    8bd5a7eafd012d57bc62ca67641e4c452c65ac427b8189ffec5a125f1f2c9f67

    SHA512

    cbd077c9d6df6f372ce7b623ec92ecdee287914c92e2785c6694f717473172880de1e8e185085d955e071d5260f74d8c3cf4c0b7991067ee0522344c08756499

  • memory/1992-12-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1992-15-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2784-0-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2784-10-0x0000000000290000-0x00000000002B1000-memory.dmp

    Filesize

    132KB

  • memory/2784-11-0x0000000000290000-0x00000000002B1000-memory.dmp

    Filesize

    132KB

  • memory/2784-13-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB