Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    03/05/2024, 17:49

General

  • Target
    1113c3fefdb898a291a838300249abc7_JaffaCakes118.exe
  • Size 110KB
  • Sample240503-wd133acb2x
  • SHA256 0645c1fbf754107c5bd8169c125823a120cabbb285b024e43991736fbc357b9d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • njrat

Version
  • 0.6.4

Botnet
  • WTFF

C2
  • ftpx.myq-see.com:910

Mutex
  • ba4c12bee3027d94da5c81db2d196bfd

Attributes
  • reg_key

    ba4c12bee3027d94da5c81db2d196bfd

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1113c3fefdb898a291a838300249abc7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1113c3fefdb898a291a838300249abc7_JaffaCakes118.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /TN "Updataas\AAMyname task" /XML "C:\Users\Admin\AppData\Local\Temp\x"
      2⤵
      • Creates scheduled task(s)
      PID:1972
    • C:\Windows\system32\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\1113c3fefdb898a291a838300249abc7_JaffaCakes118.exe" "1113c3fefdb898a291a838300249abc7_JaffaCakes118.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:1892

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
        • Size 68KB
        • SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
        • MD5 SHA1 SHA512 SSDEEP

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 8a8867b416f500470e7729a7c7022ce1e74074a5ef963b01400d95d124757f1d
        • MD5 SHA1 SHA512

        TarD70.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\TarD70.tmp
        • Size 177KB
        • SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
        • MD5 SHA1 SHA512 SSDEEP

        x

        • Path C:\Users\Admin\AppData\Local\Temp\x
        • Size 1KB
        • SHA256 f8476a710ca1c66dfbedb934deb3fe123faae50e691fc5057dfda0d782854485
        • MD5 SHA1 SHA512

        memory/1240-0-0x000007FEF5E4E000-0x000007FEF5E4F000-memory.dmp

        memory/1240-8-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

        memory/1240-151-0x0000000000550000-0x000000000055E000-memory.dmp

        memory/1240-153-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

        memory/1240-154-0x000007FEF5E4E000-0x000007FEF5E4F000-memory.dmp

        memory/1240-155-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp