Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    27-05-2024 12:28

General

  • Target

    dfa8d594788b84c5fab3e2161b4fb320_NeikiAnalytics.exe

  • Size

    231KB

  • MD5

    dfa8d594788b84c5fab3e2161b4fb320

  • SHA1

    3f6a2f39ae93e5bf4f0677e68d429edfc7889cfe

  • SHA256

    90aacf0dcedad342aaf6a68caa80e8a0d64d44612405207e1ca11795236e09d0

  • SHA512

    c38249eee1ffd1c1b526446f91d632a6e290de819ccd1b6ece429219ab88da94da50d6bcc394e3df17d19cd90643a9c7175f25674b60d7394cb3b6eb5d0fc753

  • SSDEEP

    3072:J+NMi6c8OZi6+bdUtueSK4S+8Ek/rkrVV+TwS31rhduafc+ofzjXvn4ndT9y+Y:tc1JkdmhT11krVV+TZ3jlc+o7jX6dT

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

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
  • Drops file in System32 directory 2 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).

  • Modifies data under HKEY_USERS 6 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dfa8d594788b84c5fab3e2161b4fb320_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\dfa8d594788b84c5fab3e2161b4fb320_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\imoqrwhd\
      2⤵
        PID:1944
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lualjyq.exe" C:\Windows\SysWOW64\imoqrwhd\
        2⤵
          PID:2712
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create imoqrwhd binPath= "C:\Windows\SysWOW64\imoqrwhd\lualjyq.exe /d\"C:\Users\Admin\AppData\Local\Temp\dfa8d594788b84c5fab3e2161b4fb320_NeikiAnalytics.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:2600
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description imoqrwhd "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:2464
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start imoqrwhd
          2⤵
          • Launches sc.exe
          PID:2744
        • 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
          PID:2628
      • C:\Windows\SysWOW64\imoqrwhd\lualjyq.exe
        C:\Windows\SysWOW64\imoqrwhd\lualjyq.exe /d"C:\Users\Admin\AppData\Local\Temp\dfa8d594788b84c5fab3e2161b4fb320_NeikiAnalytics.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2636
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Windows security bypass
          • Sets service image path in registry
          • Deletes itself
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          PID:2476

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      System Services

      1
      T1569

      Service Execution

      1
      T1569.002

      Persistence

      Create or Modify System Process

      2
      T1543

      Windows Service

      2
      T1543.003

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Create or Modify System Process

      2
      T1543

      Windows Service

      2
      T1543.003

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Impair Defenses

      2
      T1562

      Disable or Modify Tools

      1
      T1562.001

      Disable or Modify System Firewall

      1
      T1562.004

      Modify Registry

      2
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\lualjyq.exe
        Filesize

        13.9MB

        MD5

        563f2fb52cc35d793b35c5fb4959d562

        SHA1

        24144efd7e1789e7836fa84c2f40b7985f81fa4d

        SHA256

        6484460dc21dfc2da55729d4c36ccd827c9a1a8d1a703947196c40751b0095eb

        SHA512

        e9aa4c112bb931d5b6c49990f2b51d50908f63480889674765ebd922220a0f236378aebdb32fbd087a540a99577d73fcfb51afdc33b8b765573ead1a960d42f4

      • memory/1844-3-0x0000000000400000-0x0000000000415000-memory.dmp
        Filesize

        84KB

      • memory/1844-2-0x0000000000220000-0x0000000000233000-memory.dmp
        Filesize

        76KB

      • memory/1844-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp
        Filesize

        1024KB

      • memory/1844-8-0x0000000000400000-0x0000000000415000-memory.dmp
        Filesize

        84KB

      • memory/1844-7-0x0000000000400000-0x0000000002C99000-memory.dmp
        Filesize

        40.6MB

      • memory/2476-39-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-36-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-10-0x00000000000D0000-0x00000000000E5000-memory.dmp
        Filesize

        84KB

      • memory/2476-15-0x00000000000D0000-0x00000000000E5000-memory.dmp
        Filesize

        84KB

      • memory/2476-17-0x00000000000D0000-0x00000000000E5000-memory.dmp
        Filesize

        84KB

      • memory/2476-45-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-19-0x0000000001A70000-0x0000000001C7F000-memory.dmp
        Filesize

        2.1MB

      • memory/2476-31-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-43-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-42-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-41-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-40-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-13-0x00000000000D0000-0x00000000000E5000-memory.dmp
        Filesize

        84KB

      • memory/2476-38-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-37-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
        Filesize

        4KB

      • memory/2476-35-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-34-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-33-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-32-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-30-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-29-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-26-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-23-0x0000000000080000-0x0000000000086000-memory.dmp
        Filesize

        24KB

      • memory/2476-22-0x0000000001A70000-0x0000000001C7F000-memory.dmp
        Filesize

        2.1MB

      • memory/2476-44-0x00000000000F0000-0x0000000000100000-memory.dmp
        Filesize

        64KB

      • memory/2476-54-0x0000000000150000-0x0000000000157000-memory.dmp
        Filesize

        28KB

      • memory/2476-53-0x0000000005430000-0x000000000583B000-memory.dmp
        Filesize

        4.0MB

      • memory/2476-50-0x0000000005430000-0x000000000583B000-memory.dmp
        Filesize

        4.0MB

      • memory/2476-49-0x0000000000100000-0x0000000000105000-memory.dmp
        Filesize

        20KB

      • memory/2476-46-0x0000000000100000-0x0000000000105000-memory.dmp
        Filesize

        20KB

      • memory/2636-16-0x0000000000400000-0x0000000002C99000-memory.dmp
        Filesize

        40.6MB