Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    10-05-2024 02:01

General

  • Target

    45967aa94e05993a238471256c76cf50_NeikiAnalytics.exe

  • Size

    10.0MB

  • MD5

    45967aa94e05993a238471256c76cf50

  • SHA1

    7eac6fa92215523db5d653d7908cac6f4d98886e

  • SHA256

    b95cdea4530305336110efedcb5c7253abe364a9dcffd3480d0e2eeb7cf7d22d

  • SHA512

    725d93c0a67569e877a0bcf1ee4b66eeec722b416079e0925c14088c303d06f2471a06dc419dbefe943650c2f426caf50294f663fb5dbd35b3d4c8abdc775abf

  • SSDEEP

    49152:TQfztttttttttttttttttttttttttttttttttttttttttttttttttttttttttttN:TQ

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\45967aa94e05993a238471256c76cf50_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\45967aa94e05993a238471256c76cf50_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bjanlvv\
      2⤵
        PID:1296
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pspizbvl.exe" C:\Windows\SysWOW64\bjanlvv\
        2⤵
          PID:2736
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create bjanlvv binPath= "C:\Windows\SysWOW64\bjanlvv\pspizbvl.exe /d\"C:\Users\Admin\AppData\Local\Temp\45967aa94e05993a238471256c76cf50_NeikiAnalytics.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:2608
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description bjanlvv "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:2684
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start bjanlvv
          2⤵
          • Launches sc.exe
          PID:2584
        • 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:1968
      • C:\Windows\SysWOW64\bjanlvv\pspizbvl.exe
        C:\Windows\SysWOW64\bjanlvv\pspizbvl.exe /d"C:\Users\Admin\AppData\Local\Temp\45967aa94e05993a238471256c76cf50_NeikiAnalytics.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2112
        • 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:2496

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        12.3MB

        MD5

        c759b44e742073eca5f9c83518df27fd

        SHA1

        5b65bba7fcf1489bc52a7bd77b6a6c7b48fc4d27

        SHA256

        dee362b631be8c293cac9cd16e7d3b12eeb765009c3ebe0c0ef4e85dcd8b9913

        SHA512

        749325cd8930605219fb8d4ce94a9ac6e36639e07f2f49cd686446ec3b8eaf962b93ffc28b23a22626ede5d07360b7be153085cf1e6306244de7f4124b43d7d0

      • memory/2112-13-0x0000000000400000-0x0000000004037000-memory.dmp

        Filesize

        60.2MB

      • memory/2292-16-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2292-2-0x0000000000230000-0x0000000000243000-memory.dmp

        Filesize

        76KB

      • memory/2292-3-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/2292-1-0x0000000004150000-0x0000000004250000-memory.dmp

        Filesize

        1024KB

      • memory/2292-14-0x0000000000400000-0x0000000004037000-memory.dmp

        Filesize

        60.2MB

      • memory/2292-15-0x0000000000230000-0x0000000000243000-memory.dmp

        Filesize

        76KB

      • memory/2496-47-0x0000000000370000-0x0000000000375000-memory.dmp

        Filesize

        20KB

      • memory/2496-43-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-11-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2496-17-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2496-18-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2496-40-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-32-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-55-0x00000000004C0000-0x00000000004C7000-memory.dmp

        Filesize

        28KB

      • memory/2496-51-0x0000000005530000-0x000000000593B000-memory.dmp

        Filesize

        4.0MB

      • memory/2496-50-0x0000000000370000-0x0000000000375000-memory.dmp

        Filesize

        20KB

      • memory/2496-8-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2496-46-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-45-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-54-0x0000000005530000-0x000000000593B000-memory.dmp

        Filesize

        4.0MB

      • memory/2496-44-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2496-42-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-41-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-39-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-38-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-37-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-36-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-35-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-34-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-33-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-31-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-30-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-20-0x00000000018F0000-0x0000000001AFF000-memory.dmp

        Filesize

        2.1MB

      • memory/2496-27-0x0000000000360000-0x0000000000370000-memory.dmp

        Filesize

        64KB

      • memory/2496-24-0x0000000000350000-0x0000000000356000-memory.dmp

        Filesize

        24KB

      • memory/2496-23-0x00000000018F0000-0x0000000001AFF000-memory.dmp

        Filesize

        2.1MB