Analysis

  • max time kernel
    134s
  • max time network
    244s
  • 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 22:49

General

  • Target

    fad264acc346be1e63cd47611cd305cb9c894a13843119e22e87744808295387.exe

  • Size

    420KB

  • MD5

    f88272ea7674d3acedd8adcf7643c598

  • SHA1

    0066fd44e2cd9293af414f735bd80456f4e3eb1d

  • SHA256

    fad264acc346be1e63cd47611cd305cb9c894a13843119e22e87744808295387

  • SHA512

    3d3435572767b85307271519a5a51668e284cc9aa0d09bf024aaff31a4b4329bb189c627ceda90ba00f02445f0d34f4de642b30b054ecf9d1ac88babeb113963

  • SSDEEP

    12288:Zh0vCnLVT7zishmwaOF9dJl3AnhpzTly:Z8kLVPzMO9dnQnhZT

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 9 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 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.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 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 12 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fad264acc346be1e63cd47611cd305cb9c894a13843119e22e87744808295387.exe
    "C:\Users\Admin\AppData\Local\Temp\fad264acc346be1e63cd47611cd305cb9c894a13843119e22e87744808295387.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1452
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4912
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1544
        • C:\ProgramData\JDAKJJDBGC.exe
          "C:\ProgramData\JDAKJJDBGC.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1872
          • 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:2488
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 272
            4⤵
            • Program crash
            PID:2216
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IJKKEHJDHJKF" & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:920
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:4828
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 328
        2⤵
        • Program crash
        PID:4340

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\JDAKJJDBGC.exe

      Filesize

      937KB

      MD5

      168c5908924803d268d26965c32a5620

      SHA1

      9e0e2dc9c7e931c4ee860c32d83711c433f7b1a3

      SHA256

      2fd72d0d0fbc053a53adee5d9ec6cffde3fb5a3c6ba0c0490e24552b264d5449

      SHA512

      749f0e4da8d6fde35b53e769b0b594c2e63835f970eedc54c8c15889863811b5fb296650ae9f5e255bafdd4b942ad3434a60c48e05f1283820c378d30645f1c1

    • memory/1452-18-0x0000000001110000-0x0000000001111000-memory.dmp

      Filesize

      4KB

    • memory/1452-0-0x0000000001110000-0x0000000001111000-memory.dmp

      Filesize

      4KB

    • memory/1544-40-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/1544-1-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/1544-22-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/1544-23-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/1544-25-0x00000000200C0000-0x000000002031F000-memory.dmp

      Filesize

      2.4MB

    • memory/1544-3-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/1544-41-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/1544-5-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/1544-66-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/1544-65-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/1872-61-0x00000000014E0000-0x00000000014E1000-memory.dmp

      Filesize

      4KB

    • memory/2488-63-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/2488-64-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/2488-60-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/2488-68-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB