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Analysis

  • max time kernel
    130s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2024, 12:12

General

  • Target

    1ed6f9d578e14edad0bf47edf1f6269f.exe

  • Size

    5.5MB

  • MD5

    1ed6f9d578e14edad0bf47edf1f6269f

  • SHA1

    0e6546d7a7f237a4c094e24810fd4ab29ab6a970

  • SHA256

    83b2f6c63dc3ec6cea64755ce2042ff747d52571daaef8a47934e00378f0afd3

  • SHA512

    7481e391bc9fd0b0a30ca7464847e6ab0bbaa4febb8bfb33407742fd2e90f7fb0d88fd2ab0dc49fa499864e16a234d6f910926944c2a3ce337d614351dccfd60

  • SSDEEP

    98304:zeL9fRCBL/JS6w1PMcf5blPwJp003KOIupEAjlgJHc6:zeL9ROL/Eh/PQbaObEACl

Malware Config

Extracted

Family

vidar

C2

https://t.me/bu77un

https://steamcommunity.com/profiles/76561199730044335

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Extracted

Family

lumma

C2

https://civilizzzationo.shop/api

Signatures

  • Detect Vidar Stealer 5 IoCs
  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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
  • Program crash 1 IoCs
  • 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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ed6f9d578e14edad0bf47edf1f6269f.exe
    "C:\Users\Admin\AppData\Local\Temp\1ed6f9d578e14edad0bf47edf1f6269f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4900
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2252
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
          PID:448
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          2⤵
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3044
          • C:\ProgramData\DHDBGHCBAE.exe
            "C:\ProgramData\DHDBGHCBAE.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4140
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:2540
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 308
              4⤵
              • Program crash
              PID:3816
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HJJKJJDHCGCA" & exit
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2764
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • Delays execution with timeout.exe
              PID:3196
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4140 -ip 4140
        1⤵
          PID:4876

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\DHDBGHCBAE.exe

          Filesize

          937KB

          MD5

          168c5908924803d268d26965c32a5620

          SHA1

          9e0e2dc9c7e931c4ee860c32d83711c433f7b1a3

          SHA256

          2fd72d0d0fbc053a53adee5d9ec6cffde3fb5a3c6ba0c0490e24552b264d5449

          SHA512

          749f0e4da8d6fde35b53e769b0b594c2e63835f970eedc54c8c15889863811b5fb296650ae9f5e255bafdd4b942ad3434a60c48e05f1283820c378d30645f1c1

        • memory/2540-149-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/2540-146-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/3044-68-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB

        • memory/3044-150-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB

        • memory/3044-83-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB

        • memory/3044-71-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB

        • memory/3044-66-0x0000000000400000-0x0000000000648000-memory.dmp

          Filesize

          2.3MB

        • memory/4140-143-0x0000000000880000-0x0000000000881000-memory.dmp

          Filesize

          4KB

        • memory/4900-41-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-27-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-65-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-63-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-61-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-60-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-57-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-55-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-53-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-51-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-49-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-45-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-43-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

          Filesize

          4KB

        • memory/4900-39-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-37-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-36-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-33-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-29-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-70-0x00000000744D0000-0x0000000074C80000-memory.dmp

          Filesize

          7.7MB

        • memory/4900-25-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-23-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-21-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-19-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-17-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-15-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-13-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-9-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-7-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-6-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-47-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-31-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-11-0x0000000005C70000-0x0000000005C85000-memory.dmp

          Filesize

          84KB

        • memory/4900-5-0x0000000005C70000-0x0000000005C8C000-memory.dmp

          Filesize

          112KB

        • memory/4900-4-0x0000000005D70000-0x0000000005E54000-memory.dmp

          Filesize

          912KB

        • memory/4900-3-0x00000000744D0000-0x0000000074C80000-memory.dmp

          Filesize

          7.7MB

        • memory/4900-2-0x0000000005CD0000-0x0000000005D6C000-memory.dmp

          Filesize

          624KB

        • memory/4900-1-0x0000000000E10000-0x000000000138A000-memory.dmp

          Filesize

          5.5MB