Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 18:37

General

  • Target

    e9bd66c8df9cdcb8690146cd59c74f6c_JaffaCakes118.exe

  • Size

    84KB

  • MD5

    e9bd66c8df9cdcb8690146cd59c74f6c

  • SHA1

    10cb2be5c94ede12115d7c2e2ee82c523185b00d

  • SHA256

    49f2c1872bdc6bf4524f87016ee0e7f9a5b23e75dee49c2638c08c37236605c8

  • SHA512

    878be14d2433e698073aba39e98546e397b0bc3278fb4335bdb6bb550ec839a5cac51a4efa59376c43d0fc4f48aa1b55630a9b27251258447e5bf2539f093774

  • SSDEEP

    1536:u4EQphu7av/vZ91jv/97UyX5EQCUwljFf+NDHA:u6ruWv/71pwyX5Ejtl+A

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 21 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9bd66c8df9cdcb8690146cd59c74f6c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e9bd66c8df9cdcb8690146cd59c74f6c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\e9bd66c8df9cdcb8690146cd59c74f6c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e9bd66c8df9cdcb8690146cd59c74f6c_JaffaCakes118.exe"
      2⤵
      • Adds policy Run key to start application
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Windows\widrive32.exe
        "C:\Windows\widrive32.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2448
        • C:\Windows\widrive32.exe
          "C:\Windows\widrive32.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          PID:3100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\widrive32.exe

    Filesize

    84KB

    MD5

    e9bd66c8df9cdcb8690146cd59c74f6c

    SHA1

    10cb2be5c94ede12115d7c2e2ee82c523185b00d

    SHA256

    49f2c1872bdc6bf4524f87016ee0e7f9a5b23e75dee49c2638c08c37236605c8

    SHA512

    878be14d2433e698073aba39e98546e397b0bc3278fb4335bdb6bb550ec839a5cac51a4efa59376c43d0fc4f48aa1b55630a9b27251258447e5bf2539f093774

  • memory/1464-2-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1464-4-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1464-6-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1464-5-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1464-16-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-27-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-30-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-24-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-26-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-22-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-28-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-29-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-23-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-31-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-32-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-33-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-34-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-35-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-36-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-37-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/3100-38-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB