Analysis

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

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    09-01-2025 05:52

General

  • Target

    JaffaCakes118_c06dc6483f2ab9064f7178fd90c2078d.exe

  • Size

    13.0MB

  • MD5

    c06dc6483f2ab9064f7178fd90c2078d

  • SHA1

    41d6de655653c97af24ba3330525491c183c30a8

  • SHA256

    fbeadcb0b5279e7fce975f8fa2b0bf014b39068553feb774e51ceaf2d86b7215

  • SHA512

    d15613202579cf337e31363a4ce33f643fe52509da3b329139b89d3e0e715eb9bae872250c2595232a52dcbc9fa6cc991bcd04ff9e3e7668b6ed5a9d9a49a665

  • SSDEEP

    196608:YuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuX:

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_c06dc6483f2ab9064f7178fd90c2078d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c06dc6483f2ab9064f7178fd90c2078d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vatoqkbr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2016
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tmhtxmx.exe" C:\Windows\SysWOW64\vatoqkbr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1932
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create vatoqkbr binPath= "C:\Windows\SysWOW64\vatoqkbr\tmhtxmx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c06dc6483f2ab9064f7178fd90c2078d.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:552
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description vatoqkbr "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2436
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start vatoqkbr
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2440
    • 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:2876
  • C:\Windows\SysWOW64\vatoqkbr\tmhtxmx.exe
    C:\Windows\SysWOW64\vatoqkbr\tmhtxmx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c06dc6483f2ab9064f7178fd90c2078d.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2804
    • 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:2152

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    11.7MB

    MD5

    f1efeca75db50b9dc857b3cbf53ee95a

    SHA1

    477aa2c070c8793ad2bfd6761ceeb90cda136368

    SHA256

    a57fe3e44016a803ac469ba4fb12ddf8017ebf9b4f44aa18c4f8bcb77c36bd55

    SHA512

    7d021bee364c128a6ffa3e8358a4c241b94e76e21256223ca20d32b4fdd9a92ecb008b427edfcacb69ddb161af498ead900d51d9e0cea58fffaebbd3c9a3455d

  • memory/1796-8-0x0000000000400000-0x0000000002F0D000-memory.dmp

    Filesize

    43.1MB

  • memory/1796-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1796-1-0x0000000003090000-0x0000000003190000-memory.dmp

    Filesize

    1024KB

  • memory/1796-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1796-9-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/1796-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2152-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2152-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2152-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2152-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2152-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2804-15-0x0000000000400000-0x0000000002F0D000-memory.dmp

    Filesize

    43.1MB