Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 21:30

General

  • Target

    JaffaCakes118_ad9879b4dee92bea323e942a7aee0a4f.exe

  • Size

    10.4MB

  • MD5

    ad9879b4dee92bea323e942a7aee0a4f

  • SHA1

    fe954e83ce4ffcf80ccea1f56d06ee0e3ceb4b49

  • SHA256

    a2dd70f6f376f77f914c80c9023f60c19c3ee7ab60ceb582cb9e3a4986ea99b4

  • SHA512

    a821e50da95d0a8dca3059005f70b49e970863fc50122e3a6239a80eb48cba9ed776b99adbbd608b5572818f4930784bafca94b38474609096a7f58ec1960a3e

  • SSDEEP

    49152:ovqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqv:o

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_ad9879b4dee92bea323e942a7aee0a4f.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ad9879b4dee92bea323e942a7aee0a4f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pltvpkse\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2664
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rjbihyjq.exe" C:\Windows\SysWOW64\pltvpkse\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2260
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create pltvpkse binPath= "C:\Windows\SysWOW64\pltvpkse\rjbihyjq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ad9879b4dee92bea323e942a7aee0a4f.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2752
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description pltvpkse "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2320
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start pltvpkse
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2788
    • 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:2252
  • C:\Windows\SysWOW64\pltvpkse\rjbihyjq.exe
    C:\Windows\SysWOW64\pltvpkse\rjbihyjq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ad9879b4dee92bea323e942a7aee0a4f.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2688
    • 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:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    12.3MB

    MD5

    8c15b504264b0462e60a79fdb21fced2

    SHA1

    65b01b37abf7ab1e20fc97d798a745ea54f43c2c

    SHA256

    c70f306018f2eba0e992a3f17986ca6e3d5ad5ec77ee269512d920a004cc26c3

    SHA512

    96a84903fcd58caaf5c837828462309d4c16e86ac87f56880aae8f627c7d504c4d98dbe139381ae06c5fb3cfd58cd1bd3fc5ee5459d629141def708ac8860b9f

  • memory/2076-9-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2076-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2076-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2076-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2076-8-0x0000000000400000-0x00000000016BC000-memory.dmp

    Filesize

    18.7MB

  • memory/2076-1-0x0000000001870000-0x0000000001970000-memory.dmp

    Filesize

    1024KB

  • memory/2600-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2600-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2600-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2600-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2600-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2688-16-0x0000000000400000-0x00000000016BC000-memory.dmp

    Filesize

    18.7MB