Analysis

  • max time kernel
    148s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 09:56

General

  • Target

    04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe

  • Size

    185KB

  • MD5

    04ef9325b31c0f6f9a16c682a15ae692

  • SHA1

    19d77b13daf4b594b3f2d7f446f67c47dcbc085f

  • SHA256

    277b05671cde04ed4f0e360ab8d86e8ea099437ce8f7445c82718f77ea216fea

  • SHA512

    7312218be587f7ccd9a459b16095d8053839c0c509d35f0aec42a2290e51c1cb4639118586d0153038d4653cc75396ba47e480c762455b2386b00bedd732a13a

  • SSDEEP

    3072:kcZXO5+/tavbuiNc5qjPZxJJ4fJXIwqqKXE:ln/taT5Nc6PVJe4n/XE

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.

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 12 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1208
      • C:\Users\Admin\AppData\Local\Temp\04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2176
        • C:\Users\Admin\AppData\Local\Temp\04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe"
          3⤵
          • Loads dropped DLL
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1308
          • C:\Windows\SysWOW64\igfxcm86.exe
            "C:\Windows\SysWOW64\igfxcm86.exe" C:\Users\Admin\AppData\Local\Temp\04EF93~1.EXE
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2696
            • C:\Windows\SysWOW64\igfxcm86.exe
              "C:\Windows\SysWOW64\igfxcm86.exe" C:\Users\Admin\AppData\Local\Temp\04EF93~1.EXE
              5⤵
              • Modifies firewall policy service
              • Deletes itself
              • Executes dropped EXE
              • Adds Run key to start application
              • Maps connected drives based on registry
              • Drops file in System32 directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2868

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    2
    T1112

    Impair Defenses

    1
    T1562

    Disable or Modify System Firewall

    1
    T1562.004

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Windows\SysWOW64\igfxcm86.exe
      Filesize

      185KB

      MD5

      04ef9325b31c0f6f9a16c682a15ae692

      SHA1

      19d77b13daf4b594b3f2d7f446f67c47dcbc085f

      SHA256

      277b05671cde04ed4f0e360ab8d86e8ea099437ce8f7445c82718f77ea216fea

      SHA512

      7312218be587f7ccd9a459b16095d8053839c0c509d35f0aec42a2290e51c1cb4639118586d0153038d4653cc75396ba47e480c762455b2386b00bedd732a13a

    • memory/1208-39-0x0000000002580000-0x0000000002581000-memory.dmp
      Filesize

      4KB

    • memory/1208-37-0x0000000002560000-0x000000000257E000-memory.dmp
      Filesize

      120KB

    • memory/1308-0-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1308-8-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1308-7-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1308-6-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1308-4-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1308-9-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1308-2-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1308-3-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1308-35-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/2868-32-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/2868-36-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/2868-40-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/2868-41-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB