Analysis

  • max time kernel
    133s
  • max time network
    299s
  • 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

    ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe

  • Size

    4.4MB

  • MD5

    29f470795ad53bdfdfc5038a32f5783f

  • SHA1

    f5a17e20f827ca128e40a68d81f88c069f5d625d

  • SHA256

    ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13

  • SHA512

    52c560920389b9ec273394bac9d0bf89950a377b5eace69b2c49181f8493de75b7a42e3594836c3b305a17f5e1b18f6acc1f14170a7b3483dedc34599748f2c5

  • SSDEEP

    98304:09q6YNqHsTuAaG3BcibY3FbxOEhDV901rC:0o6YNqHsyBkBpY3F4IV9T

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 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe
    "C:\Users\Admin\AppData\Local\Temp\ff24a4d9d667cedf4b5ecd617569848d722eeeaf685d07168e2a71bb7ad70e13.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:204
    • 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:4596
      • C:\ProgramData\KJEHJKJEBG.exe
        "C:\ProgramData\KJEHJKJEBG.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1148
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:1144
          • 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:916
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 308
            4⤵
            • Program crash
            PID:1316
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GCGHIIDHCGHC" & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1924
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:2408

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\KJEHJKJEBG.exe

      Filesize

      937KB

      MD5

      168c5908924803d268d26965c32a5620

      SHA1

      9e0e2dc9c7e931c4ee860c32d83711c433f7b1a3

      SHA256

      2fd72d0d0fbc053a53adee5d9ec6cffde3fb5a3c6ba0c0490e24552b264d5449

      SHA512

      749f0e4da8d6fde35b53e769b0b594c2e63835f970eedc54c8c15889863811b5fb296650ae9f5e255bafdd4b942ad3434a60c48e05f1283820c378d30645f1c1

    • memory/204-44-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-18-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-3-0x0000000001390000-0x000000000139A000-memory.dmp

      Filesize

      40KB

    • memory/204-4-0x0000000073DC0000-0x00000000744AE000-memory.dmp

      Filesize

      6.9MB

    • memory/204-5-0x0000000005560000-0x00000000056CE000-memory.dmp

      Filesize

      1.4MB

    • memory/204-6-0x0000000002DF0000-0x0000000002E0C000-memory.dmp

      Filesize

      112KB

    • memory/204-10-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-16-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-66-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-64-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-67-0x0000000073DC0000-0x00000000744AE000-memory.dmp

      Filesize

      6.9MB

    • memory/204-41-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-73-0x0000000073DC0000-0x00000000744AE000-memory.dmp

      Filesize

      6.9MB

    • memory/204-7-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-62-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-60-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-43-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-54-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-52-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-50-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-46-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-0-0x0000000073DCE000-0x0000000073DCF000-memory.dmp

      Filesize

      4KB

    • memory/204-38-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-1-0x0000000000440000-0x00000000008AE000-memory.dmp

      Filesize

      4.4MB

    • memory/204-58-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-36-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-34-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-32-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-30-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-28-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-26-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-24-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-22-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-20-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-2-0x0000000005300000-0x000000000539C000-memory.dmp

      Filesize

      624KB

    • memory/204-15-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-12-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-8-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-56-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/204-48-0x0000000002DF0000-0x0000000002E05000-memory.dmp

      Filesize

      84KB

    • memory/4596-72-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/4596-68-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/4596-86-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/4596-90-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/4596-70-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB

    • memory/4596-133-0x0000000000400000-0x0000000000648000-memory.dmp

      Filesize

      2.3MB