Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 02:39

General

  • Target

    98b62dd2b4b9fca257de75573823e2f5_JaffaCakes118.exe

  • Size

    238KB

  • MD5

    98b62dd2b4b9fca257de75573823e2f5

  • SHA1

    ad30ee3dae22e935f8654bf82a58e445e82e8181

  • SHA256

    cd39da40f58c16195e18922921d7eef5b3002b7e1598b55af5ac48663c433529

  • SHA512

    05399acfa54357ce2e5e805e06648a0ba3a810635606597d070e5f9056410d8569d492781fb6039366aa96b12b5b14a9025dafda2cdd0d094cebae5abbd378da

  • SSDEEP

    6144:NNytwy0vP4gE/r4JSzyEc9T3M+0snM6rSuB:NI+XvP4Z4JSzyEg7r0snNB

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\98b62dd2b4b9fca257de75573823e2f5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\98b62dd2b4b9fca257de75573823e2f5_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lgmwwine\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1636
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qodpjfqg.exe" C:\Windows\SysWOW64\lgmwwine\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1692
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create lgmwwine binPath= "C:\Windows\SysWOW64\lgmwwine\qodpjfqg.exe /d\"C:\Users\Admin\AppData\Local\Temp\98b62dd2b4b9fca257de75573823e2f5_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2760
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description lgmwwine "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2788
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start lgmwwine
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2908
    • 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:2492
  • C:\Windows\SysWOW64\lgmwwine\qodpjfqg.exe
    C:\Windows\SysWOW64\lgmwwine\qodpjfqg.exe /d"C:\Users\Admin\AppData\Local\Temp\98b62dd2b4b9fca257de75573823e2f5_JaffaCakes118.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3044
    • 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:2660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    13.4MB

    MD5

    e97622599cc4cf44a7fa1aecb8cc193b

    SHA1

    7c12d7fb5c13674e87adda7fb852df515b392a18

    SHA256

    ab520d392b3e6da79ee25c8fdf31bf78bd89038afd48321ff67d84be92ec5577

    SHA512

    8f824042b6bcfbc90facc3bba1046257dd803a21c185985a9137b6cd54b21926172fc09108f14a94fd2c7596aa0f80fc83c3534e1bcc4245a4d0f06b5ca2c8d2

  • memory/2356-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

    Filesize

    1024KB

  • memory/2356-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2356-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2356-7-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2356-6-0x0000000000400000-0x000000000086B000-memory.dmp

    Filesize

    4.4MB

  • memory/2660-10-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2660-13-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2660-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2660-15-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2660-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3044-16-0x0000000000400000-0x000000000086B000-memory.dmp

    Filesize

    4.4MB