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
    06-01-2025 19:38

General

  • Target

    JaffaCakes118_36b5d4d05c3fd7041ad27c83dc3e2356.exe

  • Size

    11.7MB

  • MD5

    36b5d4d05c3fd7041ad27c83dc3e2356

  • SHA1

    56c07c25b07c58bd7b679d466db0b09b39c6290d

  • SHA256

    17e28b363f99494ceac5dee6f616a0acf5a72bb9a5d49743281e488c116cbe3b

  • SHA512

    249ee1796f211e10573fedbea9e3ef8e2f459f89d590da1901c5b8da4f4bc0525f063743fb99dd11d10955b4c96b56e7b1f7390163697743c9fd65826508f615

  • SSDEEP

    6144:3U7GjEC3ezR7ba5Kr6zFIKBQG18IAHORqctttttttttttttttttttttttttttttN:3U7nZzRva51z2G18IAHeq

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_36b5d4d05c3fd7041ad27c83dc3e2356.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36b5d4d05c3fd7041ad27c83dc3e2356.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cxwprolp\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2872
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tgpmnser.exe" C:\Windows\SysWOW64\cxwprolp\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2764
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create cxwprolp binPath= "C:\Windows\SysWOW64\cxwprolp\tgpmnser.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36b5d4d05c3fd7041ad27c83dc3e2356.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2348
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description cxwprolp "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2924
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start cxwprolp
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2968
    • 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:2652
  • C:\Windows\SysWOW64\cxwprolp\tgpmnser.exe
    C:\Windows\SysWOW64\cxwprolp\tgpmnser.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36b5d4d05c3fd7041ad27c83dc3e2356.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2772
    • 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:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    12.5MB

    MD5

    b32ae88c0d66e5246cc4719b9f9e8757

    SHA1

    e14c1f9c7100210bff5719f4a0f4ba23e7b13317

    SHA256

    e845690aca42d4126783d444eae370f1a3c2096d84388afc1588765937ec3d9e

    SHA512

    ec69421bc6b220abfcc7a7865dfb5cc89be6a9a6dde57802f1c75c51a2fab85c9baef7588331201882fee0c738795953236ad01cd97ff7e7fda9a04f0a7e0b52

  • memory/2680-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2680-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2680-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2680-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2680-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2700-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2700-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2700-8-0x0000000000400000-0x00000000016BD000-memory.dmp

    Filesize

    18.7MB

  • memory/2700-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2700-9-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2700-1-0x0000000001B00000-0x0000000001C00000-memory.dmp

    Filesize

    1024KB

  • memory/2772-17-0x0000000000400000-0x00000000016BD000-memory.dmp

    Filesize

    18.7MB