Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 11:26

General

  • Target

    05902a940fc5ae9f5a372beb542f54e3_JaffaCakes118.exe

  • Size

    14KB

  • MD5

    05902a940fc5ae9f5a372beb542f54e3

  • SHA1

    6b6c840f2c064c3a284640c2e18484f621ef0628

  • SHA256

    2d428a45288734125f2466311ee65b1fb67661ad9dc8cf47e6687198735afba7

  • SHA512

    55e0244104820ea8b7b87cbda38ed9698c4f6ce188eb97f113d3ed24534013cba55d5dcb87541e6129d0d24db86b6f59898a7fdb5c2e859a630bb27ac1620d0b

  • SSDEEP

    384:+L/Lrt9u71tUqvAld6zzJQ9EARqZrcTy:+L/Lrru71tclbxROa

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05902a940fc5ae9f5a372beb542f54e3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\05902a940fc5ae9f5a372beb542f54e3_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\SysWOW64\kandawfk.exe
      C:\Windows\system32\kandawfk.exe ˜‰
      2⤵
      • Executes dropped EXE
      PID:2804
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\05902a940fc5ae9f5a372beb542f54e3_JaffaCakes118.exe.bat
      2⤵
        PID:1996

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\05902a940fc5ae9f5a372beb542f54e3_JaffaCakes118.exe.bat

      Filesize

      210B

      MD5

      417073d6725efc71961f52301e0a9ab5

      SHA1

      2355557e7e90ab5ad9b0dd354ff1c64e439e1b16

      SHA256

      cef7a4a9445a336f8d0d53ddae7d33bd9d222a6f10dc1f782b7bb968ff8bfc64

      SHA512

      57b0235e14007ba23c7b0abaca4aa70c391097d895f4e20a38cc858d710efdf793b486e3b3446b7b79d398156ecb18da7254bbb9d2df4dacb21048a37a96b22c

    • C:\Windows\SysWOW64\kandawfk.exe

      Filesize

      14KB

      MD5

      05902a940fc5ae9f5a372beb542f54e3

      SHA1

      6b6c840f2c064c3a284640c2e18484f621ef0628

      SHA256

      2d428a45288734125f2466311ee65b1fb67661ad9dc8cf47e6687198735afba7

      SHA512

      55e0244104820ea8b7b87cbda38ed9698c4f6ce188eb97f113d3ed24534013cba55d5dcb87541e6129d0d24db86b6f59898a7fdb5c2e859a630bb27ac1620d0b

    • memory/1640-0-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB

    • memory/1640-7-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB

    • memory/2804-6-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB

    • memory/2804-8-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB