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Analysis

  • max time kernel
    146s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/01/2025, 19:04

General

  • Target

    JaffaCakes118_b86baa8e1503d0189cf137460f155183.exe

  • Size

    14.7MB

  • MD5

    b86baa8e1503d0189cf137460f155183

  • SHA1

    392b81e0cf10a0c4d0dc66861ecad3ec53014ca0

  • SHA256

    2e610cc893504d514ff0774c3fd07ded631064d7947546759c1721a37abc1db3

  • SHA512

    ee18e49055879b6554e7e3fbc680edc9a6808c415e2a9120f46a6f5eacb73ec17ba9010c49a7c91160bdc8135e48f013e210ae99b451d882bc6eae4f6978a0fc

  • SSDEEP

    12288:qdbYJ+lQMgLtAgtiMxyJFJNN0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaK:2vQMwRtiMO

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_b86baa8e1503d0189cf137460f155183.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b86baa8e1503d0189cf137460f155183.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sbptiqth\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2680
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lohpnpxh.exe" C:\Windows\SysWOW64\sbptiqth\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2724
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create sbptiqth binPath= "C:\Windows\SysWOW64\sbptiqth\lohpnpxh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b86baa8e1503d0189cf137460f155183.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2824
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description sbptiqth "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2772
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start sbptiqth
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2764
    • 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:2684
  • C:\Windows\SysWOW64\sbptiqth\lohpnpxh.exe
    C:\Windows\SysWOW64\sbptiqth\lohpnpxh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b86baa8e1503d0189cf137460f155183.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2744
    • 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:2108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    12.6MB

    MD5

    da80ec51e9028bbe36f497ec2e0938c7

    SHA1

    8dee10a778b7c65ab41f627f40064d5e7ae50c9f

    SHA256

    4d6636d5dff06eb3c4913eada9feee550bbaabaa59d86ed3886165b47c218c36

    SHA512

    33a5f5be0fcffd4d1926bc0de43eb1eb36fe9d43d0c6122fc6dc12eef15dc04b4da7bc84942af7862f11fa0609afdf9ca06d7f35c6d154a11fa6347ed7ea0001

  • memory/2108-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2108-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2108-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2108-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2108-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2252-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2252-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2252-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2252-9-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2252-8-0x0000000000400000-0x000000000086B000-memory.dmp

    Filesize

    4.4MB

  • memory/2252-1-0x0000000000980000-0x0000000000A80000-memory.dmp

    Filesize

    1024KB

  • memory/2744-17-0x0000000000400000-0x000000000086B000-memory.dmp

    Filesize

    4.4MB