Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2024 17:50

General

  • Target

    JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe

  • Size

    164KB

  • MD5

    683f74e088d0049fb003a0e21ffc9159

  • SHA1

    b2e967a6b07fcacd50b26665e9c7cbb051e2503e

  • SHA256

    ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa

  • SHA512

    4eee32dd38697b6e28f17235aa0a020d0996cc22b35bb9bd9f46cec8c64f1f2b79394c183c21a2f30d6c9a7c3b5074ac29ded88693e6fc59d4c457a8e6ec3ff9

  • SSDEEP

    3072:vvsXt4/tRBX7iK3yV26O6a9vh5LTEnsBfQS9H6S:vkXS533OE9j0Ea

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.

  • 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_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lxggxhhd\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2744
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qcjdiobj.exe" C:\Windows\SysWOW64\lxggxhhd\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2760
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create lxggxhhd binPath= "C:\Windows\SysWOW64\lxggxhhd\qcjdiobj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2872
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description lxggxhhd "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1508
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start lxggxhhd
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2856
    • 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:2864
  • C:\Windows\SysWOW64\lxggxhhd\qcjdiobj.exe
    C:\Windows\SysWOW64\lxggxhhd\qcjdiobj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2676
    • 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:1072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    12.1MB

    MD5

    994512229b56b800d4c3ae0b29b1dc92

    SHA1

    bee5d72124a6e90434810073f5dd7c3832515f19

    SHA256

    a84d0675108da80d54028d3d435d1a54e9314441b91b124439c420894e66573a

    SHA512

    4833fb8ebdc2ca6a5691142e269a83fc4b4ce28e0fe34ad69ea598ad8beb71794e5ab0771647c08e2f17e46c3aa5cb34f97f51e5dab127ff600c38e066f25631

  • memory/1072-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/1072-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/1072-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1072-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/1072-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2208-2-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2208-3-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2208-1-0x0000000000910000-0x0000000000A10000-memory.dmp

    Filesize

    1024KB

  • memory/2208-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2208-9-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2676-17-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB