Overview

overview

10

Static

static

3

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
    23-09-2024 13:22

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General

  • Target

    file.exe

  • Size

    394KB

  • MD5

    c41324a0ed75ade060a048d20be4bb0b

  • SHA1

    cb60c01d5de4c7666095e61553573e813625d177

  • SHA256

    ef0ad84528750e2dc891ed819018c7c0d28fe038c92fd2612a5f26ad9863736c

  • SHA512

    7874707dfb5c2107f24d6889b4720fe8bc127028f49b6a88869b0769f8956bb4135a3a3b926e03adfcfb5dddf5475451ad7ec7bac106751eb34015e4b9ee116c

  • SSDEEP

    12288:aloPGt8jdL8EkgOMAcr08Y2ji7GHVPB5n8Ba8r:ql2dLig5AcA8YOiSHVJ5nUaQ

Score
10/10
lummavidar3a15237aa92dcd8ccca447211fb5fc2acredential_accessdiscoverypersistencespywarestealer

Malware Config

Extracted

Family

vidar

Version

11

Botnet

3a15237aa92dcd8ccca447211fb5fc2a

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://surroundeocw.shop/api

https://racedsuitreow.shop/api

https://defenddsouneuw.shop/api

https://deallyharvenw.shop/api

https://priooozekw.shop/api

https://pumpkinkwquo.shop/api

https://abortinoiwiam.shop/api

https://covvercilverow.shop/api

Signatures

  • Detect Vidar Stealer 13 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
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer
  • 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 2 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 40 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:5100
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4260
      • 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:1908
        • C:\ProgramData\AKFHCAKJDB.exe
          "C:\ProgramData\AKFHCAKJDB.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3572
          • 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
            PID:4640
        • C:\ProgramData\CFBAKKJDBK.exe
          "C:\ProgramData\CFBAKKJDBK.exe"
          3⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3548
          • 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:4004
            • 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:1416
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FBKECFIIEHCF" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5036
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:3976

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\AKFHCAKJDB.exe
      Filesize

      362KB

      MD5

      583886f724d722f72c3ae477b0d2d40f

      SHA1

      7234b70620f127f291e3755385299dfe6d3fdfbd

      SHA256

      1957ace1277b9ac0b49bdce7485dfb01cdd208dc489e9ae079b528ef212b39ec

      SHA512

      499dc5703f327ef774eb44ce500b7219f102b44b6622e14fa01c02c8e399ebaae3021bbe992606677a0df64fb213f0932ca4e6d28e3e46ab08a4431aa5dc662b

      Download Submit

    • C:\ProgramData\CFBAKKJDBK.exe
      Filesize

      409KB

      MD5

      39af78c7dafc5b1b5b42268fd412b6fd

      SHA1

      f91d6871cb72874f02d58a8ca099941696b69729

      SHA256

      3878f5b404de6159915d9eb4e00a59dd303c2e36ec1d36a883c47e0d51462556

      SHA512

      bd7fdf9dd91c0039da3e1c5427c4afb2558ed2e375583dbdb39dfd2578ab2e204f0d7d92e79d178ebf06cc30ce38f169998554129aec73ee8c244e09ff685f4d

      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_a0d4cebf5a3b496dbadee381eb8b4e49.lnk
      Filesize

      1KB

      MD5

      379debc3d89d1ab19497050610789e33

      SHA1

      2ae0557527677193e75cd91de626e555cd88190b

      SHA256

      f5c563025bd9cef94cde8a846aed33aeb5d15c259005c15143d425837b74cf36

      SHA512

      8232154e1a5c2b21d3c3ac7e37fb289846d9e8cc8e9500de28f747d288de5c7a6b4ad4ffa25740104cb4f52f500bdd98311f573fae75164e0f6c09033bf4f78a

      Download Submit

    • memory/1908-19-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/1908-86-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/1908-3-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/1908-20-0x0000000022370000-0x00000000225CF000-memory.dmp

      Filesize

      2.4MB

      Download

    • memory/1908-35-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/1908-36-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/1908-52-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/1908-53-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/1908-6-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/1908-87-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/1908-8-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/1908-78-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/1908-79-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/1908-18-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3548-123-0x0000000000DC0000-0x0000000000E6A000-memory.dmp

      Filesize

      680KB

      Download

    • memory/3548-124-0x0000000003010000-0x0000000003011000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3572-100-0x000000007241E000-0x000000007241F000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3572-101-0x00000000006E0000-0x0000000000740000-memory.dmp

      Filesize

      384KB

      Download

    • memory/3572-108-0x0000000072410000-0x0000000072BC0000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/4640-103-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

      Download

    • memory/4640-109-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

      Download

    • memory/4640-106-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

      Download

    • memory/5100-11-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/5100-60-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/5100-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

      Filesize

      4KB

      Download

    • memory/5100-1-0x0000000000120000-0x0000000000188000-memory.dmp

      Filesize

      416KB

      Download