Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 18:04

General

  • Target

    JaffaCakes118_6cfc32485caa64ebfc74a34d3f2db0f82f9ad3c50e30506f26a798373b99bcf4.exe

  • Size

    187KB

  • MD5

    28103023888404ec320933f3eabaebec

  • SHA1

    a19513bd79a54ed15cc21a9f6cb1c7a2827c910c

  • SHA256

    6cfc32485caa64ebfc74a34d3f2db0f82f9ad3c50e30506f26a798373b99bcf4

  • SHA512

    96698f7e367c0562f6b7b8753b77cacb43786516acdbb2cb004869c36893dd8998ad40da9e37bfbc27cdf45ee1724bcb5bfea387e1f852138d29f3b8197e6cd9

  • SSDEEP

    3072:y7IjKaF6/lWrz95Qb/jeLQ8/3zuvUPL4C6aVOXUYDsfDEHpZa9uD6VdyhkO:NKaF6/lW9Sb/jeV36CPVOUgHwVf

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_6cfc32485caa64ebfc74a34d3f2db0f82f9ad3c50e30506f26a798373b99bcf4.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cfc32485caa64ebfc74a34d3f2db0f82f9ad3c50e30506f26a798373b99bcf4.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pmwsdqqn\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2088
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wognmdov.exe" C:\Windows\SysWOW64\pmwsdqqn\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2512
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create pmwsdqqn binPath= "C:\Windows\SysWOW64\pmwsdqqn\wognmdov.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cfc32485caa64ebfc74a34d3f2db0f82f9ad3c50e30506f26a798373b99bcf4.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2412
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description pmwsdqqn "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2040
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start pmwsdqqn
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2740
    • 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:2896
  • C:\Windows\SysWOW64\pmwsdqqn\wognmdov.exe
    C:\Windows\SysWOW64\pmwsdqqn\wognmdov.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cfc32485caa64ebfc74a34d3f2db0f82f9ad3c50e30506f26a798373b99bcf4.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:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    14.9MB

    MD5

    956e4eedd6718e48928c7724788e4743

    SHA1

    a1940603fe4c8e0e9092e0fa2050fe84a106ef4a

    SHA256

    994690514cdfcd17e236d3413a2da3226ed57080d5561629353b9c365d7bceff

    SHA512

    6205a44c83fd8bef401e881773f443193968f6ae9f5c59c934ee490587614ab0cf68da0e1ffc8f564f032ae9001a9e82204bfbd235047e69011858df35e87110

  • memory/2388-7-0x00000000003B0000-0x00000000003BD000-memory.dmp

    Filesize

    52KB

  • memory/2388-2-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2388-1-0x00000000003C0000-0x00000000003D3000-memory.dmp

    Filesize

    76KB

  • memory/2388-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2388-8-0x00000000003C0000-0x00000000003D3000-memory.dmp

    Filesize

    76KB

  • memory/2388-0-0x00000000003B0000-0x00000000003BD000-memory.dmp

    Filesize

    52KB

  • memory/2388-6-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2828-16-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2916-10-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2916-13-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2916-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2916-15-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2916-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB