Resubmissions

09-01-2025 18:01

250109-wmb6asymbn 10

22-08-2024 22:41

240822-2mg97s1fre 10

Analysis

  • max time kernel
    134s
  • max time network
    298s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22-08-2024 22:41

General

  • Target

    b8af4212019603dad1b32988c489f871672c5090f8d1013818a4b91363ab038a.exe

  • Size

    191KB

  • MD5

    b1454ca05bb536ef2c1678d1d33ea062

  • SHA1

    4d77ce27ef5e8232d1fa79bb77af356030a9b466

  • SHA256

    b8af4212019603dad1b32988c489f871672c5090f8d1013818a4b91363ab038a

  • SHA512

    60db78cdcd3f95b86f213723aacab95b00a3b435b329d77c72373ae331f5006339a6c469ba31873370607679ee995cd040892fff60a89c0c656ad121a1281ae5

  • SSDEEP

    3072:pCeWMeoy/sFJWfavXStdd/fVPldIbV/UKPP8C0GNyr85UTk4ugWagKYzEO:rWMedUr3W/Jld1KnGGUPkIyEO

Malware Config

Extracted

Family

vidar

Version

10.8

Botnet

9fecf283c2873768afb8beafb33a85e0

C2

https://steamcommunity.com/profiles/76561199761128941

https://t.me/iyigunl

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Extracted

Family

lumma

C2

https://interactiedovspm.shop/api

https://potentioallykeos.shop/api

Signatures

  • Detect Vidar Stealer 11 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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

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

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 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 32 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8af4212019603dad1b32988c489f871672c5090f8d1013818a4b91363ab038a.exe
    "C:\Users\Admin\AppData\Local\Temp\b8af4212019603dad1b32988c489f871672c5090f8d1013818a4b91363ab038a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2840
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:64
      • C:\ProgramData\GHDHDBAECG.exe
        "C:\ProgramData\GHDHDBAECG.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1788
        • 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:1684
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 1140
            5⤵
            • Program crash
            PID:308
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 1212
            5⤵
            • Program crash
            PID:196
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AKEGHIJJEHJD" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:312
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:4992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\GHDHDBAECG.exe

    Filesize

    277KB

    MD5

    370e6b39022da68d978ba7cc78719bfb

    SHA1

    ba92d7255234cfe6960c0b67f2da06a443bb8139

    SHA256

    12ef3849fa5d882106fc29adf92c5a89871cc59bb6283f9a742d8f9928aa57d7

    SHA512

    54bc40b3b3de664f16d40ed1b896c5e618730377686bb346a281d7e404676348158241fa8cddbfe25b83042410ce8d235a1e9a12fc31eff41c699c0c70ee9941

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/64-39-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/64-7-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/64-3-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/64-65-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/64-5-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/64-22-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/64-64-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/64-72-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/64-21-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/64-73-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/64-38-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/64-23-0x000000001FA30000-0x000000001FC8F000-memory.dmp

    Filesize

    2.4MB

  • memory/1684-87-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1684-89-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1684-90-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1684-84-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1788-81-0x0000000000090000-0x00000000000DA000-memory.dmp

    Filesize

    296KB

  • memory/1788-82-0x000000007116E000-0x000000007116F000-memory.dmp

    Filesize

    4KB

  • memory/1788-88-0x0000000071160000-0x000000007184E000-memory.dmp

    Filesize

    6.9MB

  • memory/1788-91-0x0000000071160000-0x000000007184E000-memory.dmp

    Filesize

    6.9MB

  • memory/2840-1-0x0000000000BF0000-0x0000000000C24000-memory.dmp

    Filesize

    208KB

  • memory/2840-12-0x0000000073180000-0x000000007386E000-memory.dmp

    Filesize

    6.9MB

  • memory/2840-10-0x0000000073180000-0x000000007386E000-memory.dmp

    Filesize

    6.9MB

  • memory/2840-0-0x000000007318E000-0x000000007318F000-memory.dmp

    Filesize

    4KB