Analysis

  • max time kernel
    145s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2025 10:14

General

  • Target

    JaffaCakes118_e1abeceb2c1aa08ae4fe35e09bc2c79d.exe

  • Size

    12.0MB

  • MD5

    e1abeceb2c1aa08ae4fe35e09bc2c79d

  • SHA1

    ee0b1d827d3e77c5cb1e2ae45be16476fb0e4c69

  • SHA256

    92772c18b2bcfe93372b188476174d63bc1b32d87234ea86e3a1c6bd6df09620

  • SHA512

    734afdef014d0ab281092a19d80cdecbb4758f39b174b2211952a3173b8d6c09462e7e1dbdc55baf582a314c405017096549e531071bbcd13312a9846b360de1

  • SSDEEP

    196608:n+TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTz:n

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_e1abeceb2c1aa08ae4fe35e09bc2c79d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1abeceb2c1aa08ae4fe35e09bc2c79d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qmqadakg\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:740
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\twpxvxfp.exe" C:\Windows\SysWOW64\qmqadakg\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1656
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create qmqadakg binPath= "C:\Windows\SysWOW64\qmqadakg\twpxvxfp.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1abeceb2c1aa08ae4fe35e09bc2c79d.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:880
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description qmqadakg "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2832
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start qmqadakg
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2784
    • 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:2744
  • C:\Windows\SysWOW64\qmqadakg\twpxvxfp.exe
    C:\Windows\SysWOW64\qmqadakg\twpxvxfp.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1abeceb2c1aa08ae4fe35e09bc2c79d.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2632
    • 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:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    12.7MB

    MD5

    fd06380f2ee305ae74d417a5ccad454b

    SHA1

    d42f09d3761542adc9811c23f7f36aa81d59acde

    SHA256

    9c4f42be09efb51297869b3c5cb4e94c7b7626f77a453aad408aa25b73e564ff

    SHA512

    ff5cb63c8220ef5f85fdc21c81f98f3b0006359d0df47c459cbf90a7dd15295039e2dc4cdfa7d3a4d3bae32d30129bda7c3dc33753c3532bb5a2e31b1aac762b

  • memory/2340-1-0x0000000000970000-0x0000000000A70000-memory.dmp

    Filesize

    1024KB

  • memory/2340-2-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2340-4-0x0000000000400000-0x0000000000870000-memory.dmp

    Filesize

    4.4MB

  • memory/2340-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2340-9-0x0000000000400000-0x0000000000870000-memory.dmp

    Filesize

    4.4MB

  • memory/2632-16-0x0000000000400000-0x0000000000870000-memory.dmp

    Filesize

    4.4MB

  • memory/2648-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2648-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2648-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2648-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2648-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB