Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 21:41

General

  • Target

    JaffaCakes118_f0ad2d31776715ecfcb4b4fda968cab8c8ac875f530bf5ff199b82c147f861b8.exe

  • Size

    164KB

  • MD5

    bd7bd7a952e266a38fda3a94ed6e9e32

  • SHA1

    4a97b8a2b2039cb881e3a593572dae987c1eece1

  • SHA256

    f0ad2d31776715ecfcb4b4fda968cab8c8ac875f530bf5ff199b82c147f861b8

  • SHA512

    2972fb78e5574d447446aba5590aee8938f30dd8a85d9d6baf520de66379f95db5e885a21e35fff00e0d441091788cb8301ab26c69db87a3e6a1fbc7c342968f

  • SSDEEP

    3072:vhqEvST5VOPAY+De6KpE257CDAUgE1S9H6Y:vsEvg56AYYeZp6n1Ea

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • Tofsee family
  • Windows security bypass 2 TTPs 1 IoCs
  • Creates new service(s) 2 TTPs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f0ad2d31776715ecfcb4b4fda968cab8c8ac875f530bf5ff199b82c147f861b8.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f0ad2d31776715ecfcb4b4fda968cab8c8ac875f530bf5ff199b82c147f861b8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iqviyhgd\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2632
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qktdqtyk.exe" C:\Windows\SysWOW64\iqviyhgd\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2756
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create iqviyhgd binPath= "C:\Windows\SysWOW64\iqviyhgd\qktdqtyk.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f0ad2d31776715ecfcb4b4fda968cab8c8ac875f530bf5ff199b82c147f861b8.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2800
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description iqviyhgd "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2684
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start iqviyhgd
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2852
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2576
  • C:\Windows\SysWOW64\iqviyhgd\qktdqtyk.exe
    C:\Windows\SysWOW64\iqviyhgd\qktdqtyk.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f0ad2d31776715ecfcb4b4fda968cab8c8ac875f530bf5ff199b82c147f861b8.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Windows security bypass
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\qktdqtyk.exe

    Filesize

    11.2MB

    MD5

    cbd2473c42d6f1d0195183ab7becb46b

    SHA1

    a98ae07d7af196031ef497e56bcdf84ae471a2e4

    SHA256

    68508804241e39e8d45ebffa5e9a6753c1f201c7975ecfe9408ca23db5774ac0

    SHA512

    b66da9329c6341d8cbfa8b18e564238a3644bb768bfd4e7ee992848b0603c9a6dfea8ac013c6510b3cf8ee033c57b7d88c718e9663b71b0978f715f394003e6c

  • memory/2100-9-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2100-4-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2100-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2100-8-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2100-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2100-1-0x0000000000650000-0x0000000000750000-memory.dmp

    Filesize

    1024KB

  • memory/2856-15-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2976-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2976-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2976-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2976-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2976-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB