Analysis

  • max time kernel
    199s
  • max time network
    203s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04-07-2024 22:47

General

  • Target

    ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe

  • Size

    5.9MB

  • MD5

    048aee0544f6faf502419b571a053980

  • SHA1

    047c0fb760c3af3b0a1e741bd808858090dd70bf

  • SHA256

    ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f

  • SHA512

    4fa292dade05bfc568ba6a39f129bdf88e59486faadebd64f2488fac79893c49b95c1bd7a606afae5e2add7cfece62554aa6d0e5ebd9f4eb75ba20dd462e8940

  • SSDEEP

    98304:jYBYLosS6pvT7gIit3r648uaK9hobG/c70C0LRaFS:cBYLNS6pvT76t3r6bJK9hobZEVp

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 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe
    "C:\Users\Admin\AppData\Local\Temp\ddeeff4e5314374020eec0588d404cbd6ffd20ebf828bc81e9b0816def71232f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4788
    • 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:1628
      • C:\ProgramData\EGDBAFHJJD.exe
        "C:\ProgramData\EGDBAFHJJD.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3056
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:928
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:4548
            • 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:4536
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 300
              4⤵
              • Program crash
              PID:2128
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IJEGHJECFCFC" & exit
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1588
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • Delays execution with timeout.exe
              PID:2188

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\EGDBAFHJJD.exe

        Filesize

        937KB

        MD5

        168c5908924803d268d26965c32a5620

        SHA1

        9e0e2dc9c7e931c4ee860c32d83711c433f7b1a3

        SHA256

        2fd72d0d0fbc053a53adee5d9ec6cffde3fb5a3c6ba0c0490e24552b264d5449

        SHA512

        749f0e4da8d6fde35b53e769b0b594c2e63835f970eedc54c8c15889863811b5fb296650ae9f5e255bafdd4b942ad3434a60c48e05f1283820c378d30645f1c1

      • memory/1628-68-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/1628-130-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/1628-87-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/1628-66-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/1628-72-0x0000000000400000-0x0000000000648000-memory.dmp

        Filesize

        2.3MB

      • memory/4788-47-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-41-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-65-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-63-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-61-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-17-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-5-0x00000000054E0000-0x00000000054FC000-memory.dmp

        Filesize

        112KB

      • memory/4788-71-0x0000000074030000-0x000000007471E000-memory.dmp

        Filesize

        6.9MB

      • memory/4788-70-0x0000000074030000-0x000000007471E000-memory.dmp

        Filesize

        6.9MB

      • memory/4788-4-0x0000000005380000-0x00000000054DE000-memory.dmp

        Filesize

        1.4MB

      • memory/4788-59-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-57-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-55-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-53-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-51-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-49-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-0-0x000000007403E000-0x000000007403F000-memory.dmp

        Filesize

        4KB

      • memory/4788-45-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-43-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-19-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-40-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-37-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-35-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-33-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-31-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-29-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-27-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-25-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-23-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-21-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-15-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-13-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-11-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-9-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-7-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-6-0x00000000054E0000-0x00000000054F5000-memory.dmp

        Filesize

        84KB

      • memory/4788-3-0x0000000074030000-0x000000007471E000-memory.dmp

        Filesize

        6.9MB

      • memory/4788-2-0x00000000052E0000-0x000000000537C000-memory.dmp

        Filesize

        624KB

      • memory/4788-1-0x0000000000470000-0x0000000000A4C000-memory.dmp

        Filesize

        5.9MB