Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2025 16:15

General

  • Target

    JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe

  • Size

    13.8MB

  • MD5

    6cc1eb3c70bac773f7e614183c058a1b

  • SHA1

    63062b6908128385f388d5a9a88e2adade621b19

  • SHA256

    f1c3904f17a45e3329987e5f2c0e1ac8e355d58a09a9132158657767a08848f1

  • SHA512

    c3dfc2421e85f281576d2840f26e34f84f5cd75d84f1ee34654116fc7b2d190dbf846319daf63ce0284c64bf9da7d0e61291d19a5d2b14bdc6dee6b80a333e1c

  • SSDEEP

    6144:XNvMXNc7x72uNJFeTgkYIvpjkHp2e7z+/uyAmMGwDkqyyyyyyyyyyyyyyyyyyyyW:XNvM9i7fNJFeTgk9BjkHp2Euu1mr

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_6cc1eb3c70bac773f7e614183c058a1b.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aorggfau\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2848
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kqloxggb.exe" C:\Windows\SysWOW64\aorggfau\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2880
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create aorggfau binPath= "C:\Windows\SysWOW64\aorggfau\kqloxggb.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2664
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description aorggfau "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2700
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start aorggfau
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2592
    • 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:2580
  • C:\Windows\SysWOW64\aorggfau\kqloxggb.exe
    C:\Windows\SysWOW64\aorggfau\kqloxggb.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cc1eb3c70bac773f7e614183c058a1b.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2696
    • 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:1408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    13.7MB

    MD5

    fa87c009d8cabad84d419eb7a8039582

    SHA1

    0c908b65a29a2bc0ffb2cf68eb995229794b23e1

    SHA256

    75213eef87db2ae3b29fe7aa4ea862e54d459ed145da54091effd4a26a94a334

    SHA512

    d81f5fe906dabd32a15079a9b5526ff481bdc078ab697c724909623657d7301e3a8c2f823ece50255cd45e02bb37c68cd7ceee4d4a10f106d5ddec59df74beb3

  • memory/1408-15-0x00000000000D0000-0x00000000000E5000-memory.dmp

    Filesize

    84KB

  • memory/1408-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1408-12-0x00000000000D0000-0x00000000000E5000-memory.dmp

    Filesize

    84KB

  • memory/1408-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

    Filesize

    84KB

  • memory/1408-19-0x00000000000D0000-0x00000000000E5000-memory.dmp

    Filesize

    84KB

  • memory/2696-18-0x0000000000400000-0x0000000000784000-memory.dmp

    Filesize

    3.5MB

  • memory/2824-4-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2824-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2824-11-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2824-10-0x00000000008E0000-0x00000000009E0000-memory.dmp

    Filesize

    1024KB

  • memory/2824-9-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2824-8-0x0000000000400000-0x0000000000784000-memory.dmp

    Filesize

    3.5MB

  • memory/2824-1-0x00000000008E0000-0x00000000009E0000-memory.dmp

    Filesize

    1024KB