Overview

overview

10

Static

static

1

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-09-2024 15:04

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General

  • Target

    file.exe

  • Size

    403KB

  • MD5

    55a5f2beec3dd4e2e81bd8c88b231ede

  • SHA1

    ca181991974c87da13066a00750f01dc175ee258

  • SHA256

    f4cd4350d5e48264696b980cc329ed0c1809b14194894557672cbb4baec3feea

  • SHA512

    03171620055fe45e71e20c4e19f9612d918254b66f652b61d45c6be936d0e5e6aff75a31481ffd0350d41f803feb0177c1a5c78086cfb18564112c7341faaafb

  • SSDEEP

    12288:sqo8/oWTZ9KhJIkbG/BkxvGqbS/+q9Z3qI2uEO:ig19K7Ikkk9xbctZ3q4t

Score
10/10
lummavidar9bf5e431869643a2ac397d2dc0d687fbcredential_accessdiscoverypersistencespywarestealer

Malware Config

Extracted

Family

vidar

Version

11

Botnet

9bf5e431869643a2ac397d2dc0d687fb

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed
Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

lumma

C2

https://ghostreedmnu.shop/api

Signatures

  • Detect Vidar Stealer 14 IoCs
    stealer
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    stealerlumma
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

    stealervidar
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops startup file 64 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

    credential_accessstealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Adds Run key to start application 2 TTPs 64 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
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4340
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2900
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:316
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
          • Checks computer location settings
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:5092
          • C:\ProgramData\BKECBAKFBG.exe
            "C:\ProgramData\BKECBAKFBG.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4044
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              PID:884
          • C:\ProgramData\IEHJJECBKK.exe
            "C:\ProgramData\IEHJJECBKK.exe"
            3⤵
            • Checks computer location settings
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1496
            • C:\Users\Admin\AppData\Local\Temp\Software\IDSM.exe
              "C:\Users\Admin\AppData\Local\Temp\Software\IDSM.exe"
              4⤵
              • Checks computer location settings
              • Drops startup file
              • Executes dropped EXE
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4076
              • C:\Users\Admin\AppData\Local\Temp\Software\MSDNG.exe
                "C:\Users\Admin\AppData\Local\Temp\Software\MSDNG.exe" --checker
                5⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:2184
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DHJECFCGHIDG" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2880
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:2000

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\ProgramData\BKECBAKFBG.exe
        Filesize

        375KB

        MD5

        3f21d4209d237332463e5364186f1b91

        SHA1

        6ba5926a058b13e58e21fbb3c7e22074381b5c80

        SHA256

        c7995bd4c494c80060f42ee5b8519bfdbed13e047751e924aabc3710e412bc6d

        SHA512

        2d12345204e7a25fbfef9c4ede47713e7898eb387cc07b4eb05dfe104e2a0aaca6ec60529551fe2bb1e38cf710e4e00486a52e787a7db4a4f1d975cca2a5a419

        Download Submit

      • C:\ProgramData\IEHJJECBKK.exe
        Filesize

        25KB

        MD5

        5a7ef447d5d556b9d550da1cac582a7a

        SHA1

        3761d13fe006bf7332bbb6e697cd31cfe463e541

        SHA256

        1f8acba1d796a9ebaed193ece097f9e82c09f596ab79bd66362c5cda736df3d1

        SHA512

        3a15ba07b474eaf49c94cd5c61bfb64acf1021fe05520972cae458fd8bbd98d18a94590af3eaaac9f7e77be9a54084d68087f3439ad37be67145b5e19c6af0f3

        Download Submit

      • C:\ProgramData\mozglue.dll
        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

        Download Submit

      • C:\ProgramData\nss3.dll
        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

        Download Submit

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IDSM_f6386840c831443585c9d25da13ac759.lnk
        Filesize

        1KB

        MD5

        3450100c9b7c41c84e5cbba06c07a9a8

        SHA1

        d24230e635b08aaf7e6d68e666b59992a05714ce

        SHA256

        c5b977a9ed1adb3cdbe6c48db9aa5ba600d0f07196469dbc27c56e6b3723993c

        SHA512

        9dba920cb4304797e3550f22cbd73fa6681593aa675e5b12774cac7745508f9b6c25c4d7206915aaa0dcace973e84c6263ba243223328d826a89c04fae0fa873

        Download Submit

      • memory/884-151-0x0000000000400000-0x0000000000465000-memory.dmp

        Filesize

        404KB

        Download

      • memory/884-153-0x0000000000400000-0x0000000000465000-memory.dmp

        Filesize

        404KB

        Download

      • memory/884-142-0x0000000000400000-0x0000000000465000-memory.dmp

        Filesize

        404KB

        Download

      • memory/1496-120-0x0000000004AC0000-0x0000000004ACC000-memory.dmp

        Filesize

        48KB

        Download

      • memory/1496-119-0x00000000002D0000-0x00000000002DC000-memory.dmp

        Filesize

        48KB

        Download

      • memory/4044-104-0x00000000727EE000-0x00000000727EF000-memory.dmp

        Filesize

        4KB

        Download

      • memory/4044-105-0x0000000000090000-0x00000000000F2000-memory.dmp

        Filesize

        392KB

        Download

      • memory/4340-85-0x0000000074F10000-0x00000000756C0000-memory.dmp

        Filesize

        7.7MB

        Download

      • memory/4340-1-0x0000000000A00000-0x0000000000A68000-memory.dmp

        Filesize

        416KB

        Download

      • memory/4340-11-0x0000000074F10000-0x00000000756C0000-memory.dmp

        Filesize

        7.7MB

        Download

      • memory/4340-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

        Filesize

        4KB

        Download

      • memory/5092-87-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

        Download

      • memory/5092-19-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

        Download

      • memory/5092-86-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

        Download

      • memory/5092-52-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

        Download

      • memory/5092-20-0x0000000022120000-0x000000002237F000-memory.dmp

        Filesize

        2.4MB

        Download

      • memory/5092-77-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

        Download

      • memory/5092-35-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

        Download

      • memory/5092-78-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

        Download

      • memory/5092-18-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

        Download

      • memory/5092-36-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

        Download

      • memory/5092-8-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

        Download

      • memory/5092-6-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

        Download

      • memory/5092-3-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

        Download

      • memory/5092-53-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

        Download