Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-10-2024 04:01

General

  • Target

    45bd4a3c341ab81c70f1fdc136bc77e4_JaffaCakes118.exe

  • Size

    11.4MB

  • MD5

    45bd4a3c341ab81c70f1fdc136bc77e4

  • SHA1

    fe6c5d998a976a2b37204a02aba4933fc5e349e9

  • SHA256

    ca2ce6433e4e6bd1587a16aabf7c4fd49d45e3aa36acf99bda30a07c81966500

  • SHA512

    77f9b9a77f35b8fc686a60fb53acfa642555d085dbbad107481a82e1d4d16044ab485923c0d9d6020dbccd8d67dbd836620d6395632ad5b993b6987e02ecd002

  • SSDEEP

    3072:bHZQIswULGiBqwZyNvXT/u22H/PaAf209fB7epgDnESzN57I6ZibkFah/NleJm/6:bHZQItUDBJiPT/u22H3s0DhcHU4l

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • 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\45bd4a3c341ab81c70f1fdc136bc77e4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\45bd4a3c341ab81c70f1fdc136bc77e4_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qpvetlfd\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2224
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\shuqcbug.exe" C:\Windows\SysWOW64\qpvetlfd\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2800
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create qpvetlfd binPath= "C:\Windows\SysWOW64\qpvetlfd\shuqcbug.exe /d\"C:\Users\Admin\AppData\Local\Temp\45bd4a3c341ab81c70f1fdc136bc77e4_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2824
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description qpvetlfd "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2780
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start qpvetlfd
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2168
    • 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:2768
  • C:\Windows\SysWOW64\qpvetlfd\shuqcbug.exe
    C:\Windows\SysWOW64\qpvetlfd\shuqcbug.exe /d"C:\Users\Admin\AppData\Local\Temp\45bd4a3c341ab81c70f1fdc136bc77e4_JaffaCakes118.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2624
    • 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:2632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    11.1MB

    MD5

    3b4d88bf70e5a9b0feab8f50c2c0c9f8

    SHA1

    fe6af88543b1b51ee94b94787c9f38d5bd8e4305

    SHA256

    daad3cb9f0185f62780289e4f04abf917755f04b4f6fa5756eda6f3f6c41dd39

    SHA512

    24c4612e39044ae8463dc4ab5616fb22b2c8eae327d04efb6fb755cb277db175b6eaa6f8050322bfa67da2c8474e94731c245355a8586338d38fce0e0c04b4ec

  • memory/1992-9-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/1992-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1992-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/1992-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1992-8-0x0000000000400000-0x000000000044D000-memory.dmp

    Filesize

    308KB

  • memory/1992-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2624-17-0x0000000000400000-0x000000000044D000-memory.dmp

    Filesize

    308KB

  • memory/2632-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2632-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2632-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2632-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2632-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB