Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 06:14

General

  • Target

    JaffaCakes118_8fde8b0fd9fb569180caa7332394fec8.exe

  • Size

    13.3MB

  • MD5

    8fde8b0fd9fb569180caa7332394fec8

  • SHA1

    0e0750c3ab52fc2b95727f92541848fe3e4e0e1a

  • SHA256

    fccafebc3676168caba30cd188d3ebb00b4fffe26ef2754468d4883cad7de571

  • SHA512

    ea91950a3af96c3bff8a26c724c7925b3f12ade6b69f931c80c589d4a522b7805fe95f5f47fb42272ff583ac0e0c666e0e469725e57b25a740644244cfb18df3

  • SSDEEP

    98304:jRoooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooX:

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_8fde8b0fd9fb569180caa7332394fec8.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fde8b0fd9fb569180caa7332394fec8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\canauaap\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2828
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fgeorkpa.exe" C:\Windows\SysWOW64\canauaap\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2740
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create canauaap binPath= "C:\Windows\SysWOW64\canauaap\fgeorkpa.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fde8b0fd9fb569180caa7332394fec8.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2792
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description canauaap "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2748
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start canauaap
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2784
    • 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:2584
  • C:\Windows\SysWOW64\canauaap\fgeorkpa.exe
    C:\Windows\SysWOW64\canauaap\fgeorkpa.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8fde8b0fd9fb569180caa7332394fec8.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2644
    • 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:2428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    10.0MB

    MD5

    d45e91b858b518873460c3922d4f84ea

    SHA1

    cefe4c4d9f31eab192281b565988f8fbff408583

    SHA256

    c141226ec749ea82e9f3cbdcd68abd37e6bd3d1374dc81684d07e91392fa0172

    SHA512

    163b368ab09d5a356a505cf3c6e24593deb28740d35f966485556ae721beb85711da258c07dc4e018b6f2f024b155f35bcab143e01af81b74bb32c2fa900e765

  • memory/2228-9-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2228-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2228-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2228-8-0x0000000000400000-0x00000000004AC000-memory.dmp

    Filesize

    688KB

  • memory/2228-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2228-1-0x0000000000630000-0x0000000000730000-memory.dmp

    Filesize

    1024KB

  • memory/2428-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2428-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2428-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2428-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2428-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2644-17-0x0000000000400000-0x00000000004AC000-memory.dmp

    Filesize

    688KB