Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 08:22

General

  • Target

    6bcb97b4bae806ab196a1d3a3e8d1d314b4ae3f402dc05134efd0975f501efbb_NeikiAnalytics.exe

  • Size

    9.9MB

  • MD5

    321425758bf169622c1ec163c25fec20

  • SHA1

    1f8ad447de403940420a4b30c45acafbd70cfcf2

  • SHA256

    6bcb97b4bae806ab196a1d3a3e8d1d314b4ae3f402dc05134efd0975f501efbb

  • SHA512

    52f4c945b61a3bb318811b1f463c8ea132c9554d8a3b8bf9587747058feeea3f7e62f36d7492cb483d5c8be81508c2ca366b9de906fa541f15e1a63e50a64e46

  • SSDEEP

    196608:snt6666666666666666666666666666666666666666666666666666666666:snt6666666666666666666666666666T

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.

  • Creates new service(s) 2 TTPs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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).

  • 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.

  • Modifies data under HKEY_USERS 7 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6bcb97b4bae806ab196a1d3a3e8d1d314b4ae3f402dc05134efd0975f501efbb_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\6bcb97b4bae806ab196a1d3a3e8d1d314b4ae3f402dc05134efd0975f501efbb_NeikiAnalytics.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lpczhybz\
      2⤵
        PID:4328
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zgjedxxr.exe" C:\Windows\SysWOW64\lpczhybz\
        2⤵
          PID:3476
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create lpczhybz binPath= "C:\Windows\SysWOW64\lpczhybz\zgjedxxr.exe /d\"C:\Users\Admin\AppData\Local\Temp\6bcb97b4bae806ab196a1d3a3e8d1d314b4ae3f402dc05134efd0975f501efbb_NeikiAnalytics.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:1948
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description lpczhybz "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:2112
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start lpczhybz
          2⤵
          • Launches sc.exe
          PID:2268
        • 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
          PID:4556
      • C:\Windows\SysWOW64\lpczhybz\zgjedxxr.exe
        C:\Windows\SysWOW64\lpczhybz\zgjedxxr.exe /d"C:\Users\Admin\AppData\Local\Temp\6bcb97b4bae806ab196a1d3a3e8d1d314b4ae3f402dc05134efd0975f501efbb_NeikiAnalytics.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2228
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Sets service image path in registry
          • Deletes itself
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          PID:760

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        12.6MB

        MD5

        edf3eccd3bc8c74e698a989a20b7d11b

        SHA1

        fe035afdabbbe253ef97056ca6b3673df0f8c1bd

        SHA256

        4410cdd9f762ca87355d7e3bab0211ccd7eb37d0e84632f94abcbb5e7b94f5e3

        SHA512

        51a10b4a6a45e1eba156e1fd94419cc9048835b2cfc55b5e7052e9842c8b64834c4ff987db5903262d021a46e12975f8edaf8e9e9f04348a83c38b642cde326c

      • memory/760-36-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-31-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-55-0x0000000007D00000-0x000000000810B000-memory.dmp
        Filesize

        4.0MB

      • memory/760-22-0x0000000002E00000-0x000000000300F000-memory.dmp
        Filesize

        2.1MB

      • memory/760-24-0x0000000002E00000-0x000000000300F000-memory.dmp
        Filesize

        2.1MB

      • memory/760-25-0x00000000025B0000-0x00000000025B6000-memory.dmp
        Filesize

        24KB

      • memory/760-48-0x00000000025D0000-0x00000000025D5000-memory.dmp
        Filesize

        20KB

      • memory/760-28-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-47-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-32-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-14-0x0000000001100000-0x0000000001115000-memory.dmp
        Filesize

        84KB

      • memory/760-17-0x0000000001100000-0x0000000001115000-memory.dmp
        Filesize

        84KB

      • memory/760-18-0x0000000001100000-0x0000000001115000-memory.dmp
        Filesize

        84KB

      • memory/760-19-0x0000000001100000-0x0000000001115000-memory.dmp
        Filesize

        84KB

      • memory/760-45-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-56-0x00000000025E0000-0x00000000025E7000-memory.dmp
        Filesize

        28KB

      • memory/760-52-0x0000000007D00000-0x000000000810B000-memory.dmp
        Filesize

        4.0MB

      • memory/760-46-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-33-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-34-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-51-0x00000000025D0000-0x00000000025D5000-memory.dmp
        Filesize

        20KB

      • memory/760-44-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-43-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-42-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-41-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-40-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-39-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-38-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-37-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/760-35-0x00000000025C0000-0x00000000025D0000-memory.dmp
        Filesize

        64KB

      • memory/2228-11-0x0000000000400000-0x0000000000461000-memory.dmp
        Filesize

        388KB

      • memory/2228-16-0x0000000000400000-0x0000000000461000-memory.dmp
        Filesize

        388KB

      • memory/2228-12-0x0000000000400000-0x0000000000461000-memory.dmp
        Filesize

        388KB

      • memory/2228-13-0x0000000000400000-0x0000000000461000-memory.dmp
        Filesize

        388KB

      • memory/3988-2-0x00000000005C0000-0x00000000005D3000-memory.dmp
        Filesize

        76KB

      • memory/3988-3-0x0000000000400000-0x0000000000415000-memory.dmp
        Filesize

        84KB

      • memory/3988-7-0x0000000000400000-0x0000000000461000-memory.dmp
        Filesize

        388KB

      • memory/3988-8-0x00000000005C0000-0x00000000005D3000-memory.dmp
        Filesize

        76KB

      • memory/3988-9-0x0000000000400000-0x0000000000415000-memory.dmp
        Filesize

        84KB

      • memory/3988-1-0x0000000000710000-0x0000000000810000-memory.dmp
        Filesize

        1024KB