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 14:21

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General

  • Target

    file.exe

  • Size

    394KB

  • MD5

    62cab8f2668425bc0e1e595528c7b93e

  • SHA1

    46f6ba786149b3e6029e4660470e28f0c9c1c96b

  • SHA256

    64e4050888a60a81125a39c3f7f97734702cc10e3ee2c7b4c1936b47a5f49859

  • SHA512

    eb5649d17f1a54af48b60e259d03ba6fc45ffd6dc37e3972453eabec52ecfe039a42faa4c3c058c0fb53198eadc6dec880533901b051b7de6f6b12ac35d934d0

  • SSDEEP

    6144:Zs7jMI5riiD58kQd+8NUvLIktE4W1qmsDETic6xrGbV:Z9Ih3D5w48q0kt50sDETicwC

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://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 37 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:1576
    • 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:4640
      • C:\ProgramData\CBGCBGCAFI.exe
        "C:\ProgramData\CBGCBGCAFI.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2564
        • 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:348
      • C:\ProgramData\EHCFBFBAEB.exe
        "C:\ProgramData\EHCFBFBAEB.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:696
        • 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:3544
          • 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:1428
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BAFCGIJDAFBK" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3348
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\CBGCBGCAFI.exe
    Filesize

    362KB

    MD5

    583886f724d722f72c3ae477b0d2d40f

    SHA1

    7234b70620f127f291e3755385299dfe6d3fdfbd

    SHA256

    1957ace1277b9ac0b49bdce7485dfb01cdd208dc489e9ae079b528ef212b39ec

    SHA512

    499dc5703f327ef774eb44ce500b7219f102b44b6622e14fa01c02c8e399ebaae3021bbe992606677a0df64fb213f0932ca4e6d28e3e46ab08a4431aa5dc662b

    Download Submit

  • C:\ProgramData\EHCFBFBAEB.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_0ce245ddfc3f4bd29ce3a6f659610b2a.lnk
    Filesize

    1KB

    MD5

    90f795c878f8bd1484793869e9a19350

    SHA1

    9bae2f73fae2245885114e7828f3e524b5a3fc0c

    SHA256

    2a78edecabc986980c52072adb9412e7b9ab81658dc2e971b74c8efbba364d53

    SHA512

    08e54969bdf5a57f4082f907d33c1ac1c68e40f90acf7129b769998ae6ce93c0cf6b37266c2ba48cfaf7763749e6e633c7b777cea8ef1533ecb3e7b1129a0a63

    Download Submit

  • memory/348-109-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/348-106-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/348-103-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/696-124-0x0000000003120000-0x0000000003121000-memory.dmp

    Filesize

    4KB

    Download

  • memory/696-123-0x0000000000E60000-0x0000000000F0A000-memory.dmp

    Filesize

    680KB

    Download

  • memory/1576-0-0x000000007450E000-0x000000007450F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1576-7-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/1576-60-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/1576-1-0x0000000000810000-0x0000000000878000-memory.dmp

    Filesize

    416KB

    Download

  • memory/2564-108-0x0000000071DD0000-0x0000000072580000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/2564-271-0x0000000071DD0000-0x0000000072580000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/2564-101-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

    Download

  • memory/2564-100-0x0000000071DDE000-0x0000000071DDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4640-21-0x0000000022AE0000-0x0000000022D3F000-memory.dmp

    Filesize

    2.4MB

    Download

  • memory/4640-87-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4640-86-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4640-79-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4640-78-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4640-53-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4640-52-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4640-36-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4640-35-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4640-19-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4640-18-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4640-9-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4640-6-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4640-3-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download