Analysis

  • max time kernel
    129s
  • max time network
    300s
  • platform
    windows10-1703_x64
  • resource
    win10-20240611-en
  • resource tags

    arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04-07-2024 22:46

General

  • Target

    d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe

  • Size

    4.7MB

  • MD5

    6320d63025e1764e578680e24906def3

  • SHA1

    b452cb8f5fe2b5683b8ea94b90c5d3f415e53832

  • SHA256

    d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0

  • SHA512

    f75d2700fafea373de7f2c4131a650128d38146ef8fd7edef0c186ce3ebc1fb51b116f91596891d68f893a56b30e14035e565a55d0e5d228462c9e3e7a68dc51

  • SSDEEP

    98304:KjG9asZlqf3mTJBMAxu8l+yzWCdlPtclKfWN6D:KjGgsZlqvmT8wu8lZWCzo+

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Extracted

Family

lumma

C2

https://civilizzzationo.shop/api

Signatures

  • Detect Vidar Stealer 6 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\d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe
    "C:\Users\Admin\AppData\Local\Temp\d4b22461e379bba07e2e2f6cf1833884c0ff656b84afdd3b2284be856f598ae0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:4852
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
          PID:4476
        • 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:4764
          • C:\ProgramData\DAKFIDHDGI.exe
            "C:\ProgramData\DAKFIDHDGI.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2492
            • 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:1260
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 272
              4⤵
              • Program crash
              PID:2192
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HCAAEGIJKEGH" & exit
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4924
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • Delays execution with timeout.exe
              PID:3568

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\ProgramData\DAKFIDHDGI.exe

        Filesize

        937KB

        MD5

        168c5908924803d268d26965c32a5620

        SHA1

        9e0e2dc9c7e931c4ee860c32d83711c433f7b1a3

        SHA256

        2fd72d0d0fbc053a53adee5d9ec6cffde3fb5a3c6ba0c0490e24552b264d5449

        SHA512

        749f0e4da8d6fde35b53e769b0b594c2e63835f970eedc54c8c15889863811b5fb296650ae9f5e255bafdd4b942ad3434a60c48e05f1283820c378d30645f1c1

      • memory/2008-22-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-1-0x0000000000B80000-0x000000000103C000-memory.dmp

        Filesize

        4.7MB

      • memory/2008-3-0x00000000057D0000-0x00000000057DA000-memory.dmp

        Filesize

        40KB

      • memory/2008-4-0x0000000073CE0000-0x00000000743CE000-memory.dmp

        Filesize

        6.9MB

      • memory/2008-5-0x0000000005B30000-0x0000000005CA4000-memory.dmp

        Filesize

        1.5MB

      • memory/2008-6-0x00000000058F0000-0x000000000590C000-memory.dmp

        Filesize

        112KB

      • memory/2008-7-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-52-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-66-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-67-0x0000000073CE0000-0x00000000743CE000-memory.dmp

        Filesize

        6.9MB

      • memory/2008-44-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-8-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-73-0x0000000073CE0000-0x00000000743CE000-memory.dmp

        Filesize

        6.9MB

      • memory/2008-12-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-64-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-62-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-46-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-58-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-56-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-54-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-50-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-48-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-42-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-2-0x0000000005990000-0x0000000005A2C000-memory.dmp

        Filesize

        624KB

      • memory/2008-60-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-40-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-38-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-36-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-34-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-32-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-30-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-26-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-0-0x0000000073CEE000-0x0000000073CEF000-memory.dmp

        Filesize

        4KB

      • memory/2008-20-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-18-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-16-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-10-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-28-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-24-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/2008-15-0x00000000058F0000-0x0000000005905000-memory.dmp

        Filesize

        84KB

      • memory/4764-68-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/4764-72-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/4764-86-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/4764-93-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/4764-70-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/4764-138-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB