Analysis

  • max time kernel
    94s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-10-2024 20:17

General

  • Target

    7f7532b84fb132083db98ad681bec486.exe

  • Size

    571KB

  • MD5

    7f7532b84fb132083db98ad681bec486

  • SHA1

    b07368d9b509e2c100960c6a496c78ebb6821dfc

  • SHA256

    072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617

  • SHA512

    951f290cbe3ea998001cebf9875a881f3695c3f7b46904cf1fdc8c9653071e1f7f57dec0730ceaeee2536b2dd93fe47dfbe13e861727a6c089dc67fd4392c1a7

  • SSDEEP

    12288:jByivJ6LrcsUWG/97HTnZPdx7EsRQ+cJ3F/JXyiqBcw+4S:jhJ6nc97bTxQ+cJLXyLBd

Malware Config

Extracted

Family

vidar

Version

11

Botnet

d206c6aab5f4bd2208ca601fe157f31b

C2

https://t.me/maslengdsa

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

Signatures

  • Detect Vidar Stealer 17 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 2 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 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 8 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f7532b84fb132083db98ad681bec486.exe
    "C:\Users\Admin\AppData\Local\Temp\7f7532b84fb132083db98ad681bec486.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2020
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2256
        • C:\ProgramData\JDHCBAEHJJ.exe
          "C:\ProgramData\JDHCBAEHJJ.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:456
          • 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:4772
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 256
            4⤵
            • Program crash
            PID:3180
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KFCGDBAKKKFB" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3476
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:3088
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 272
        2⤵
        • Program crash
        PID:4072
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2900 -ip 2900
      1⤵
        PID:420
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 456 -ip 456
        1⤵
          PID:2776

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\JDHCBAEHJJ.exe

          Filesize

          538KB

          MD5

          532305da4133ac5947d3d32765b0f371

          SHA1

          ab9759c16701270a23f5ed9c081a53f662447375

          SHA256

          987948d987c40aa32a075898caef9e860d056a3d8a2404fbc95c3ebc0d3290a4

          SHA512

          36775fff2d6643682e3276208abb9170fac65cd0dac15610e53930b5df6f9525a3407afb3ddad7c40c9c0e9dd84b5ed4e7652135b74b4a39bc6aa6f8c28d0aae

        • 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

        • memory/456-97-0x0000000000F95000-0x0000000000F96000-memory.dmp

          Filesize

          4KB

        • memory/2256-45-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-73-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-10-0x00000000227A0000-0x00000000229FF000-memory.dmp

          Filesize

          2.4MB

        • memory/2256-18-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-19-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-27-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-28-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-44-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-102-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-7-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-6-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-8-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-74-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-77-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-82-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-83-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-3-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2256-1-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2900-0-0x000000000032D000-0x000000000032F000-memory.dmp

          Filesize

          8KB

        • memory/4772-98-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB

        • memory/4772-100-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB

        • memory/4772-101-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB