Overview

overview

10

Static

static

3

nitro generator.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    48s
  • max time network
    48s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23/05/2024, 19:37

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General

  • Target
    nitro generator.exe
  • Size 2.7MB
  • Sample240523-ybtx3sdf83
  • SHA256 751736b637f142637a3efa5a4c8ba281c949e5054656554931514e6f03642bfa
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
cinoshiredlinebotdiscoveryinfostealerpersistencespywarestealer

Malware Config

Signatures

  • Cinoshi

    Cinoshi stealer is part of Cinoshi project Malware-as-a-Service (MaaS) written in C#.

    botstealercinoshi
  • Detect Cinoshi payload 3 IoCs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    infostealerredline
  • RedLine payload 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Adds Run key to start application 2 TTPs 48 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\nitro generator.exe
    "C:\Users\Admin\AppData\Local\Temp\nitro generator.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3680
    • C:\Users\Admin\AppData\Local\Temp\@flamelos_easy.exe
      "C:\Users\Admin\AppData\Local\Temp\@flamelos_easy.exe"
      2⤵
      • Executes dropped EXE
      PID:2828
    • C:\Users\Admin\AppData\Local\Temp\faintxakers-420787300007.exe
      "C:\Users\Admin\AppData\Local\Temp\faintxakers-420787300007.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3428
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 2168
        3⤵
        • Program crash
        PID:4532
    • C:\Users\Admin\AppData\Local\Temp\block.exe
      "C:\Users\Admin\AppData\Local\Temp\block.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      PID:4232
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3428 -ip 3428
    1⤵
      PID:3940

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          @flamelos_easy.exe
          • Path C:\Users\Admin\AppData\Local\Temp\@flamelos_easy.exe
          • Size 1.1MB
          • SHA256 25ee9ca48979044e60eeeafd466f106ab5ca4fa953a5df612a2f12700dce63d3
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          block.exe
          • Path C:\Users\Admin\AppData\Local\Temp\block.exe
          • Size 327KB
          • SHA256 485717dfa45e3a548e7d8f7e4b9f38b4f8e8eba7b2c7f625134fe98e08e1c642
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          faintxakers-420787300007.exe
          • Path C:\Users\Admin\AppData\Local\Temp\faintxakers-420787300007.exe
          • Size 410KB
          • SHA256 df6d3552b1c7b74794ca0a5606f0a3654048fbe6218c8cf45fa9d290a3650f88
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/2828-161-0x0000000007010000-0x0000000007628000-memory.dmp
          Download

          memory/2828-162-0x0000000007680000-0x0000000007692000-memory.dmp
          Download

          memory/2828-153-0x0000000002120000-0x0000000002148000-memory.dmp
          Download

          memory/2828-165-0x0000000004640000-0x000000000468C000-memory.dmp
          Download

          memory/2828-164-0x00000000077B0000-0x00000000077EC000-memory.dmp
          Download

          memory/2828-163-0x00000000076A0000-0x00000000077AA000-memory.dmp
          Download

          memory/3428-158-0x0000000002750000-0x000000000276A000-memory.dmp
          Download

          memory/3428-160-0x00000000053D0000-0x0000000005976000-memory.dmp
          Download

          memory/3428-148-0x00000000729DE000-0x00000000729DF000-memory.dmp
          Download

          memory/3428-157-0x00000000002B0000-0x000000000031C000-memory.dmp
          Download

          memory/3428-167-0x00000000060E0000-0x00000000060F2000-memory.dmp
          Download

          memory/3428-166-0x0000000006160000-0x00000000061F2000-memory.dmp
          Download

          memory/3428-168-0x00000000064D0000-0x0000000006692000-memory.dmp
          Download

          memory/3428-169-0x0000000006860000-0x00000000068D6000-memory.dmp
          Download

          memory/3428-171-0x00000000068E0000-0x0000000006946000-memory.dmp
          Download

          memory/3680-0-0x0000000000400000-0x00000000006B5000-memory.dmp
          Download

          memory/4232-159-0x0000029E02FD0000-0x0000029E03028000-memory.dmp
          Download

          memory/4232-170-0x0000029E20BE0000-0x0000029E20BEA000-memory.dmp
          Download