Overview

overview

10

Static

static

10

nikita_о (1).exe

windows7-x64

10

nikita_о (1).exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/01/2024, 11:12

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General

  • Target
    nikita_о (1).exe
  • Size 91KB
  • Sample240125-na2lesede3
  • SHA256 dbe98e518832e5c6611af2df7be37d7ba31a0e64bfdf2e2f0874fe8fe70181b0
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
evasion

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 3 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\nikita_о (1).exe
    "C:\Users\Admin\AppData\Local\Temp\nikita_о (1).exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\ProgramData\server.exe
      "C:\ProgramData\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\ProgramData\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:628
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\ProgramData\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3096
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\ProgramData\server.exe"
        3⤵
        • Modifies Windows Firewall
        PID:4848

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        server.exe
        • Path C:\ProgramData\server.exe
        • Size 91KB
        • SHA256 dbe98e518832e5c6611af2df7be37d7ba31a0e64bfdf2e2f0874fe8fe70181b0
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        app
        • Path C:\Users\Admin\AppData\Roaming\app
        • Size 5B
        • SHA256 275918973c23ad700f278c69cc03c9c82ec9f4d9ed0f53111ad22bec197ff440
        • MD5 SHA1 SHA512
        Submit Download

        memory/2108-2-0x0000000074950000-0x0000000074F01000-memory.dmp
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        memory/2108-1-0x0000000000D40000-0x0000000000D50000-memory.dmp
        Download

        memory/2108-0-0x0000000074950000-0x0000000074F01000-memory.dmp
        Download

        memory/2108-13-0x0000000074950000-0x0000000074F01000-memory.dmp
        Download

        memory/2908-14-0x0000000074950000-0x0000000074F01000-memory.dmp
        Download

        memory/2908-15-0x0000000074950000-0x0000000074F01000-memory.dmp
        Download

        memory/2908-47-0x0000000074950000-0x0000000074F01000-memory.dmp
        Download