Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 21:08

General

  • Target

    JaffaCakes118_6fa88846f033e59880c1ede4af437594.exe

  • Size

    11.9MB

  • MD5

    6fa88846f033e59880c1ede4af437594

  • SHA1

    6b691617a322a5827217b85859bfb6734cba5569

  • SHA256

    0db0927dc26a7978d8dda57e51d7f547d5501beac40e671a984e69ef11062f2e

  • SHA512

    28a99c567078022d3d449973a1c38d8fa2366704c26281200fa52027c59cd049a700b56d82bf45b4a311295d497103075b9b453879a4a3322af76f1a2a676970

  • SSDEEP

    98304:MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEn:

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_6fa88846f033e59880c1ede4af437594.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6fa88846f033e59880c1ede4af437594.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\erodjncc\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2504
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\glhzxam.exe" C:\Windows\SysWOW64\erodjncc\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2924
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create erodjncc binPath= "C:\Windows\SysWOW64\erodjncc\glhzxam.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6fa88846f033e59880c1ede4af437594.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2308
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description erodjncc "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2760
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start erodjncc
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3012
    • 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:2796
  • C:\Windows\SysWOW64\erodjncc\glhzxam.exe
    C:\Windows\SysWOW64\erodjncc\glhzxam.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6fa88846f033e59880c1ede4af437594.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2824
    • 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:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    10.8MB

    MD5

    709e64e5b65eb7d01ce6693c530b29fc

    SHA1

    7d8eac2fa004cd1c672f7700274e11641ab6d025

    SHA256

    257657f2d185184eb49a0fa092b1a924dcdc041b00f0c0f1530f6d1db7988260

    SHA512

    46727f68781f4a376103f948c371190813f8bcbbe3d18d3fc2e32e2286787dd1645a92d7f8f16118fa92ad2af5d35bdfd397762ce7bad63f076ad74accadc624

  • memory/2372-9-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2372-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2372-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2372-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2372-8-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2372-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

    Filesize

    1024KB

  • memory/2780-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2780-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2780-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2780-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2780-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2824-17-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB