Analysis

  • max time kernel
    96s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2024 01:23

General

  • Target

    41ee1357282ed8722ff127ac17ff0831a92a54e72c32a560abeae0d27f5c090e.exe

  • Size

    396KB

  • MD5

    cc94be13bc24599e326d03ca246a61fa

  • SHA1

    73ed54a021153213ee4823683e4a9376b479d939

  • SHA256

    41ee1357282ed8722ff127ac17ff0831a92a54e72c32a560abeae0d27f5c090e

  • SHA512

    b2da25e014462b410d8a68dfd09c0159772271b7f706c95ab2ef517060dd5305a02b49ac021a80d9c21624c8c02bdde9b62be9dcbace2308802edcc3a336b125

  • SSDEEP

    6144:bXqwxGuBem9P3ofEPGc8V8vkl4vn6QdG9eB4RyWTkui4ZR6d0psZ8EZ:bXqGGTvNUw435B4pZR6d0psaEZ

Malware Config

Extracted

Family

vidar

Version

11

Botnet

433cd71b7a2bdd3668a493b00ee95630

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

Extracted

Family

lumma

C2

https://beearvagueo.site/api

Signatures

  • Detect Vidar Stealer 16 IoCs
  • Lumma Stealer, LummaC

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

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41ee1357282ed8722ff127ac17ff0831a92a54e72c32a560abeae0d27f5c090e.exe
    "C:\Users\Admin\AppData\Local\Temp\41ee1357282ed8722ff127ac17ff0831a92a54e72c32a560abeae0d27f5c090e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3900
      • C:\ProgramData\KFHJJJKKFH.exe
        "C:\ProgramData\KFHJJJKKFH.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1380
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2492
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1380 -s 292
          4⤵
          • Program crash
          PID:3816
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AKJDGDGDHDGD" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1484
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1624
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1380 -ip 1380
    1⤵
      PID:1684

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\KFHJJJKKFH.exe

      Filesize

      527KB

      MD5

      a9978b238babe1166131003c1be7bfb8

      SHA1

      b65655dcab6faa50e7715ea718fcdd2d6cf0e1d6

      SHA256

      f0f83c1f69adc4ea1557704dc5d9f77f40d418ff244dbc3e0afae8de367b8c21

      SHA512

      7d43f0663502c6ee033705095e2b133dfb3826174a36a20fd30e70d9f59de6f2ea84599436e88c3a11e27fa78df1e19b741526f10aa8a618a8ddab5a47e6e13e

    • C:\ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • C:\ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • C:\Users\Admin\AppData\Roaming\msvcp110.dll

      Filesize

      584KB

      MD5

      54b8f43259c486d87dbb9b4b4a71014b

      SHA1

      373351ecc936b3f9dbb2c858cd0342ca7af807e8

      SHA256

      6cf354d8c07b353870741c6c53f467743e214b4d170e92316d566b555268a44b

      SHA512

      9460135d568807652689189cf3fe8c8b641c0e3b7582f6f9dc35eefc36b82312fcdc9c08f841024717f62f23160b2cdb6ac3b1eb3188029656a7913114d354c2

    • memory/1380-108-0x00000000002B0000-0x00000000002B1000-memory.dmp

      Filesize

      4KB

    • memory/2492-112-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/2492-111-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/2492-109-0x0000000000400000-0x0000000000463000-memory.dmp

      Filesize

      396KB

    • memory/3900-47-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-97-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-19-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-30-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-31-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-32-0x0000000022120000-0x000000002237F000-memory.dmp

      Filesize

      2.4MB

    • memory/3900-113-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-48-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-64-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-65-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-23-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-10-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-87-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-88-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-95-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-96-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3900-16-0x0000000000720000-0x0000000000996000-memory.dmp

      Filesize

      2.5MB

    • memory/3920-12-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/3920-22-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/3920-9-0x00000000751A0000-0x0000000075950000-memory.dmp

      Filesize

      7.7MB

    • memory/3920-2-0x00000000049E0000-0x00000000049E6000-memory.dmp

      Filesize

      24KB

    • memory/3920-1-0x0000000000050000-0x00000000000BA000-memory.dmp

      Filesize

      424KB

    • memory/3920-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

      Filesize

      4KB