Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 11:24

General

  • Target

    JaffaCakes118_17d263eaaf2f1373b41cb0c3ff9aa26f.exe

  • Size

    12.9MB

  • MD5

    17d263eaaf2f1373b41cb0c3ff9aa26f

  • SHA1

    11711ac0749600ae84192fc38141b205b7388399

  • SHA256

    d66f7617e71ecb9018ac3b943fec478f558413433d3219031af14dcaa590ea76

  • SHA512

    8f0b335a3172dc0e1d9eef54ef3f7c968d8dc9d2fba5d4931e47fd43346ff29a9b457cc40d161e1c5100d691817c0f6e8400a75fdbf62a90c00ebf439f219df3

  • SSDEEP

    49152:8P1IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIf:

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_17d263eaaf2f1373b41cb0c3ff9aa26f.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17d263eaaf2f1373b41cb0c3ff9aa26f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2844
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ilawapjd\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2704
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\yqipofqx.exe" C:\Windows\SysWOW64\ilawapjd\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2776
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create ilawapjd binPath= "C:\Windows\SysWOW64\ilawapjd\yqipofqx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17d263eaaf2f1373b41cb0c3ff9aa26f.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2720
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description ilawapjd "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2824
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start ilawapjd
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2604
    • 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:948
  • C:\Windows\SysWOW64\ilawapjd\yqipofqx.exe
    C:\Windows\SysWOW64\ilawapjd\yqipofqx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17d263eaaf2f1373b41cb0c3ff9aa26f.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2732
    • 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:2408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    14.9MB

    MD5

    6bb2a1f6c572719050d067e689bac636

    SHA1

    b32a5d64b0aebb6a9df0ed61e1eec34f1b07361d

    SHA256

    94fd117e85f9d63fe702584ebea36de00b250e7091411861743bd7e531cbd2b6

    SHA512

    707d150685a15ddc0b880ec9ed0955c76d4574830004e11fcf93a95934153fa0cfe4304b063b033763da8ced37703c41ebc5ecca2cb76dadf9c818ef148fe8b7

  • memory/2408-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2408-16-0x0000000000100000-0x0000000000115000-memory.dmp

    Filesize

    84KB

  • memory/2408-14-0x0000000000100000-0x0000000000115000-memory.dmp

    Filesize

    84KB

  • memory/2408-11-0x0000000000100000-0x0000000000115000-memory.dmp

    Filesize

    84KB

  • memory/2408-18-0x0000000000100000-0x0000000000115000-memory.dmp

    Filesize

    84KB

  • memory/2732-17-0x0000000000400000-0x000000000076F000-memory.dmp

    Filesize

    3.4MB

  • memory/2844-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2844-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2844-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2844-9-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2844-8-0x0000000000400000-0x000000000076F000-memory.dmp

    Filesize

    3.4MB

  • memory/2844-1-0x0000000000820000-0x0000000000920000-memory.dmp

    Filesize

    1024KB