Analysis

  • max time kernel
    90s
  • max time network
    161s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24-01-2023 20:38

General

  • Target

    setupfileapplication_v3.5.exe

  • Size

    719.4MB

  • MD5

    9166bb6eddddffdd50181010feccbdce

  • SHA1

    abc3d0828b1658704ffc7aed1184622892a460b5

  • SHA256

    76158b10a1015ceaaf37fa9bb1aa9a7ff4b7e366f6d833fcffbafd2904241833

  • SHA512

    d00f7dbc1ddfcfc29d1b234b42708642f9e1f874c3c1f0aa54561482e5df20d8bb98080eec7ff09d6a9c621dcbe243e5d1a99499835c9f2a3164893abaef0d51

  • SSDEEP

    12288:0QhQ2qIIkRx61KGXVCwlcAV7MpGxIZCdwDDx+6wNKMul0nQZpvMTM2qtI0qp/xPY:phQc61Y80c68T1q

Malware Config

Extracted

Family

vidar

Version

2.2

Botnet

754

C2

https://t.me/litlebey

https://steamcommunity.com/profiles/76561199472399815

Attributes
  • profile_id

    754

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Blocklisted process makes network request 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 21 IoCs
  • Suspicious use of SetThreadContext 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setupfileapplication_v3.5.exe
    "C:\Users\Admin\AppData\Local\Temp\setupfileapplication_v3.5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:/Windows/SysWOW64/WindowsPowerShell/v1.0/powershell.exe"
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4040
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        C:\Windows\Microsoft.NET/Framework/v4.0.30319/aspnet_compiler.exe
        3⤵
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        PID:4984
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe" & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2260
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 6
            5⤵
            • Delays execution with timeout.exe
            PID:3500
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4568

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \ProgramData\mozglue.dll

      Filesize

      133KB

      MD5

      8f73c08a9660691143661bf7332c3c27

      SHA1

      37fa65dd737c50fda710fdbde89e51374d0c204a

      SHA256

      3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

      SHA512

      0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

    • \ProgramData\nss3.dll

      Filesize

      1.2MB

      MD5

      bfac4e3c5908856ba17d41edcd455a51

      SHA1

      8eec7e888767aa9e4cca8ff246eb2aacb9170428

      SHA256

      e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

      SHA512

      2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

    • memory/2260-442-0x0000000000000000-mapping.dmp

    • memory/2716-157-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-142-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-118-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-119-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-120-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-121-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-122-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-123-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-124-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-125-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-126-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-127-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-128-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-129-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-130-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-131-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-132-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-160-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-134-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-135-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-136-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-137-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-138-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-139-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-140-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-141-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-159-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-143-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-144-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-145-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-146-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-147-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-148-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-149-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-150-0x0000000000330000-0x0000000000376000-memory.dmp

      Filesize

      280KB

    • memory/2716-151-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-152-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-153-0x0000000005210000-0x000000000570E000-memory.dmp

      Filesize

      5.0MB

    • memory/2716-154-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-155-0x0000000004BD0000-0x0000000004C62000-memory.dmp

      Filesize

      584KB

    • memory/2716-156-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-116-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-168-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-117-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-133-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-161-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-162-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-163-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-164-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-165-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-166-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-167-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-158-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-169-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-170-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-171-0x0000000004BB0000-0x0000000004BBA000-memory.dmp

      Filesize

      40KB

    • memory/2716-172-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-173-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-174-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/2716-180-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/3500-449-0x0000000000000000-mapping.dmp

    • memory/4040-261-0x0000000007EE0000-0x0000000007F1C000-memory.dmp

      Filesize

      240KB

    • memory/4040-177-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/4040-238-0x0000000006CA0000-0x0000000006D06000-memory.dmp

      Filesize

      408KB

    • memory/4040-239-0x0000000007550000-0x00000000078A0000-memory.dmp

      Filesize

      3.3MB

    • memory/4040-178-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/4040-181-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/4040-182-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/4040-183-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/4040-184-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/4040-212-0x0000000004100000-0x0000000004136000-memory.dmp

      Filesize

      216KB

    • memory/4040-243-0x0000000007CC0000-0x0000000007D0B000-memory.dmp

      Filesize

      300KB

    • memory/4040-232-0x0000000006A90000-0x0000000006AB2000-memory.dmp

      Filesize

      136KB

    • memory/4040-217-0x0000000006F20000-0x0000000007548000-memory.dmp

      Filesize

      6.2MB

    • memory/4040-176-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/4040-179-0x0000000077A60000-0x0000000077BEE000-memory.dmp

      Filesize

      1.6MB

    • memory/4040-242-0x0000000007930000-0x000000000794C000-memory.dmp

      Filesize

      112KB

    • memory/4040-236-0x0000000006C30000-0x0000000006C96000-memory.dmp

      Filesize

      408KB

    • memory/4040-175-0x0000000000000000-mapping.dmp

    • memory/4040-303-0x0000000008AC0000-0x0000000008B36000-memory.dmp

      Filesize

      472KB

    • memory/4040-308-0x0000000009EF0000-0x000000000A568000-memory.dmp

      Filesize

      6.5MB

    • memory/4040-309-0x00000000095F0000-0x000000000960A000-memory.dmp

      Filesize

      104KB

    • memory/4040-311-0x0000000009940000-0x00000000099DC000-memory.dmp

      Filesize

      624KB

    • memory/4984-316-0x000000000042D63C-mapping.dmp

    • memory/4984-340-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/4984-435-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/4984-444-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB