Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    26-08-2024 22:45

General

  • Target

    c3f26a78e7cc7d7c1f3a22cd82c9df84_JaffaCakes118.exe

  • Size

    14.1MB

  • MD5

    c3f26a78e7cc7d7c1f3a22cd82c9df84

  • SHA1

    e0613a088747351994400b54311bb1ace6036364

  • SHA256

    45d0bb36312a53205b7a0e885ca97a5115946146c6fda31fefda101b6d487f28

  • SHA512

    eab255aff18a776b56f1bb7aa53eef8a15d916eff21660b6e82ed229a34bd67e7a444c52a942af8017e7c784219e240593ce31d89d357501588d2ba6a666bb8b

  • SSDEEP

    393216:+88888888888888888888888888888888888888888888888888888888888888/:

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.

  • 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\c3f26a78e7cc7d7c1f3a22cd82c9df84_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c3f26a78e7cc7d7c1f3a22cd82c9df84_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eobhvtpw\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2884
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\selfkqdl.exe" C:\Windows\SysWOW64\eobhvtpw\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1264
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create eobhvtpw binPath= "C:\Windows\SysWOW64\eobhvtpw\selfkqdl.exe /d\"C:\Users\Admin\AppData\Local\Temp\c3f26a78e7cc7d7c1f3a22cd82c9df84_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2788
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description eobhvtpw "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2780
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start eobhvtpw
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2772
    • 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:2856
  • C:\Windows\SysWOW64\eobhvtpw\selfkqdl.exe
    C:\Windows\SysWOW64\eobhvtpw\selfkqdl.exe /d"C:\Users\Admin\AppData\Local\Temp\c3f26a78e7cc7d7c1f3a22cd82c9df84_JaffaCakes118.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2352
    • 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:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    12.8MB

    MD5

    2886a1557a2b9cae80678753ba2cf2ee

    SHA1

    399df472740c8f633418ac30a1cd44aa3c25030f

    SHA256

    107339926b441855fb0365988a0a122922538413e1547b8aab4c4fc61d3b69b4

    SHA512

    3aabdcdeaf3408b96e9b9fbf44aeb47a2b3fe51b07e3be56919f07b498ce82723fc86d57c09288b01703235c3d48f18099c5c8ebcd0bdbbcbf48ca4a8e27000f

  • memory/1848-8-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1848-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1848-1-0x0000000000520000-0x0000000000620000-memory.dmp

    Filesize

    1024KB

  • memory/1848-9-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/1848-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1848-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2352-15-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/2572-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2572-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2572-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2572-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2572-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB