Analysis

  • max time kernel
    145s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 05:19

General

  • Target

    dd2e9cb910a30a50be4635fa2620da3f_JaffaCakes118.exe

  • Size

    12.7MB

  • MD5

    dd2e9cb910a30a50be4635fa2620da3f

  • SHA1

    54d5e067fa18b82731edebd159bc46262e2bf816

  • SHA256

    c30b5eaeb203cc63fbd5396d7729ba84bdcddd44b476b29d7d7924db4ae7fb0b

  • SHA512

    45dda2df86eac5177560ff92cc02d091eefe10ab733601a4239e4a3a3cfa309efa479b2011491b62d3cb67791a39261bc1c5618ac1c7d22b87b6965a66a43138

  • SSDEEP

    6144:weaRFeYiZtnsLs/Xyihb124uKPoifbY/3sGIU5N5:wF7/iZtRXpu3ijwf5T

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\dd2e9cb910a30a50be4635fa2620da3f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dd2e9cb910a30a50be4635fa2620da3f_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cppkagoz\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2772
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\svtoipzj.exe" C:\Windows\SysWOW64\cppkagoz\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2808
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create cppkagoz binPath= "C:\Windows\SysWOW64\cppkagoz\svtoipzj.exe /d\"C:\Users\Admin\AppData\Local\Temp\dd2e9cb910a30a50be4635fa2620da3f_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2880
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description cppkagoz "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2568
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start cppkagoz
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2848
    • 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:2716
  • C:\Windows\SysWOW64\cppkagoz\svtoipzj.exe
    C:\Windows\SysWOW64\cppkagoz\svtoipzj.exe /d"C:\Users\Admin\AppData\Local\Temp\dd2e9cb910a30a50be4635fa2620da3f_JaffaCakes118.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2704
    • 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:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    11.1MB

    MD5

    8ac57528607e52718e11978ba6f64c97

    SHA1

    7adcaffc910b94e2b96c8cfa5845995c74683435

    SHA256

    e2a437494eecee9136971b27022ef4d4cd95b7973de79c9b3bbf5fed11cc8d4c

    SHA512

    2fb5a7e39580b1294d7ea09fe95e621799b006ad5897e07862fa356daedda91a4df7a8c9e3610225757b2dfd78991e9a3ba79d7494b3a6a0066c8a5858e12d55

  • memory/2196-9-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2196-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2196-1-0x0000000000900000-0x0000000000A00000-memory.dmp

    Filesize

    1024KB

  • memory/2196-8-0x0000000000400000-0x000000000086B000-memory.dmp

    Filesize

    4.4MB

  • memory/2196-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2196-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2652-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2652-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2652-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2652-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2652-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2704-15-0x0000000000400000-0x000000000086B000-memory.dmp

    Filesize

    4.4MB