Analysis

  • max time kernel
    147s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 02:00

General

  • Target

    JaffaCakes118_00648d8195f97b68fb658c75f256f2b4.exe

  • Size

    10.9MB

  • MD5

    00648d8195f97b68fb658c75f256f2b4

  • SHA1

    e45eb357905049dbfe81ad64a87fe4158392aeab

  • SHA256

    d572033c59d050ae0a7b6cafa3728a7675721bff18f4087fee4e8d8692c0a974

  • SHA512

    d70b12a153aa790925c134c638a522190930fc701d6cd45aff119a292d4657c4084fcafb424093d248421e26f2dd728526759e7f93a49147fdec937f7c86923d

  • SSDEEP

    196608:ITTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTX:

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_00648d8195f97b68fb658c75f256f2b4.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_00648d8195f97b68fb658c75f256f2b4.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nmtpngwe\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2400
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xqeqicer.exe" C:\Windows\SysWOW64\nmtpngwe\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2924
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create nmtpngwe binPath= "C:\Windows\SysWOW64\nmtpngwe\xqeqicer.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_00648d8195f97b68fb658c75f256f2b4.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2376
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description nmtpngwe "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2860
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start nmtpngwe
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2760
    • 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:2724
  • C:\Windows\SysWOW64\nmtpngwe\xqeqicer.exe
    C:\Windows\SysWOW64\nmtpngwe\xqeqicer.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_00648d8195f97b68fb658c75f256f2b4.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2996
    • 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:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    13.0MB

    MD5

    6e9aa0263fd865e87f3e4e447a021114

    SHA1

    576126cc57f6761cc0d474a3ac0ad95ddeac5b6a

    SHA256

    36c6e3f43aff21f3c8f52109b46d5d13ae2f36948b7159d6b303b087361f2bf9

    SHA512

    58a5fc1e8f2fd8b422ac95032fc37e1b7ffeeb37643a918a1a0b956e0c267ef03bc792f721245d2df8543a2ef0eaf154fc59066e662953e86c079010aefdd2d8

  • memory/1916-9-0x00000000001B0000-0x00000000001C3000-memory.dmp

    Filesize

    76KB

  • memory/1916-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1916-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

    Filesize

    76KB

  • memory/1916-8-0x0000000000400000-0x00000000016BD000-memory.dmp

    Filesize

    18.7MB

  • memory/1916-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1916-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

    Filesize

    1024KB

  • memory/2772-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2772-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2772-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2772-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2772-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2996-17-0x0000000000400000-0x00000000016BD000-memory.dmp

    Filesize

    18.7MB