Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    06-01-2025 10:40

General

  • Target

    JaffaCakes118_1ed0709942f40ec6bdb7b1278dbd6e9d.exe

  • Size

    11.2MB

  • MD5

    1ed0709942f40ec6bdb7b1278dbd6e9d

  • SHA1

    a80ab46b8c0b7464ae01d19bfb1816f2f17373ce

  • SHA256

    e12f4b91c2032aa459faad30f305a81e1aaedab6f2e04e05e91740d714ad9c80

  • SHA512

    f97fcfef714cab32ff89840326a57e9e6892bc4643fd94a22321d9f520c546533ecc721a4d65968d19071ad2d98c2babd9214936f8fb38545c3cb7663db7b3a0

  • SSDEEP

    49152:tN5555555555555555555555555555555555555555555555555555555555555/:

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_1ed0709942f40ec6bdb7b1278dbd6e9d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ed0709942f40ec6bdb7b1278dbd6e9d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mbdtnmyc\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2604
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qfgmzked.exe" C:\Windows\SysWOW64\mbdtnmyc\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2600
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create mbdtnmyc binPath= "C:\Windows\SysWOW64\mbdtnmyc\qfgmzked.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ed0709942f40ec6bdb7b1278dbd6e9d.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3020
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description mbdtnmyc "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2808
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start mbdtnmyc
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2956
    • 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:2848
  • C:\Windows\SysWOW64\mbdtnmyc\qfgmzked.exe
    C:\Windows\SysWOW64\mbdtnmyc\qfgmzked.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ed0709942f40ec6bdb7b1278dbd6e9d.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3012
    • 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:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    11.9MB

    MD5

    91b209bb9cefdc1bb535d9f73dfaa46c

    SHA1

    f00a719f424a60e8137122b400de0f38993e6b5b

    SHA256

    61e4273add51adb878d1db7aae869171c673cca60f279d56746589e9d181cfb8

    SHA512

    146ce61753257b3ab4774ba80e4e2de53e10af0cb4220f897809e16afea6f18350bc326098a0661fc1caa34a7a8d2a241ec1974099cf82c162faabae433c9884

  • memory/2816-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2816-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2816-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2816-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2816-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3012-15-0x0000000000400000-0x0000000002DA4000-memory.dmp

    Filesize

    41.6MB

  • memory/3064-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

    Filesize

    76KB

  • memory/3064-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/3064-10-0x00000000001B0000-0x00000000001C3000-memory.dmp

    Filesize

    76KB

  • memory/3064-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/3064-8-0x0000000000400000-0x0000000002DA4000-memory.dmp

    Filesize

    41.6MB

  • memory/3064-1-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB