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Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-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 4 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e35861d845057356fd7c600cf895bb0a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e35861d845057356fd7c600cf895bb0a_JaffaCakes118.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4428
    • 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:2604
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4088 --field-trial-handle=2232,i,3915538061666887171,15629965885515244134,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2732

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      41KB

      MD5

      e35861d845057356fd7c600cf895bb0a

      SHA1

      5119b59327cef622c7bde65d973f6d0bbbfee4d6

      SHA256

      8bd5a7eafd012d57bc62ca67641e4c452c65ac427b8189ffec5a125f1f2c9f67

      SHA512

      cbd077c9d6df6f372ce7b623ec92ecdee287914c92e2785c6694f717473172880de1e8e185085d955e071d5260f74d8c3cf4c0b7991067ee0522344c08756499

    • memory/2604-6-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/2604-8-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/4428-0-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/4428-7-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB