Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 09:50

General

  • Target

    JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe

  • Size

    159KB

  • MD5

    e54caf8c5b1fefb3289f1c743775a7f7

  • SHA1

    9af113a01ef46432502ab37f61e7a8fa15479a7a

  • SHA256

    0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa

  • SHA512

    fef0022c4d1f2c85adec44138ef89e1a2bd6117892dc1ebf5d21866828b3c3c7d0f5fdb97f5b2d965873aca280a923e781ea3c69988fd6b43c5f55b9bc1becc3

  • SSDEEP

    3072:J7+69EJhEjeblBHZ57ODtgNQT0kP+NN34Pu3/d042XL:FEJhEjeRV7ODMkP+NK2d0P

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

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_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sqqtnwtl\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2580
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wshhmtzq.exe" C:\Windows\SysWOW64\sqqtnwtl\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1104
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create sqqtnwtl binPath= "C:\Windows\SysWOW64\sqqtnwtl\wshhmtzq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2632
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description sqqtnwtl "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1920
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start sqqtnwtl
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:584
    • 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:2884
  • C:\Windows\SysWOW64\sqqtnwtl\wshhmtzq.exe
    C:\Windows\SysWOW64\sqqtnwtl\wshhmtzq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f7f7ec9c469f0b7839ad8da6b4d0c97cd05fe18cc99099a7bf4ce62cff18daa.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2828
    • 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:2232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    12.1MB

    MD5

    8474d5cb753698f652dfd0c6ecc1d8ed

    SHA1

    a28cf7ac29ba146bd6e2121a0fad1c70d999c3ea

    SHA256

    566ad98b5d88fb158f83f72df3bf84cee2e284078fa285450c09acf41cc865d0

    SHA512

    01c263f6e4978bf8ec1878218d5c7407efffcb474aab203740db90d1f4552d7d267f400859b8790620f5af3dd4666ecbb5728117698c6ee0d529f8826c00ada2

  • memory/2200-8-0x0000000000220000-0x000000000022D000-memory.dmp

    Filesize

    52KB

  • memory/2200-2-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2200-1-0x0000000000230000-0x0000000000243000-memory.dmp

    Filesize

    76KB

  • memory/2200-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2200-6-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2200-0-0x0000000000220000-0x000000000022D000-memory.dmp

    Filesize

    52KB

  • memory/2200-7-0x0000000000230000-0x0000000000243000-memory.dmp

    Filesize

    76KB

  • memory/2232-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2232-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2232-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2232-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2232-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2828-16-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB