Analysis

  • max time kernel
    86s
  • max time network
    148s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    08-01-2023 19:21

General

  • Target

    75fcb5d94124e7f3d099d6ac35a1af401bd52d68d6480a231171ae3b4833688a.exe

  • Size

    2.1MB

  • MD5

    e52f5370a68e1ee7b5f24b708924025b

  • SHA1

    bf920f1fe420f1c8dc8dba7112f1b57bf0d6dfb7

  • SHA256

    75fcb5d94124e7f3d099d6ac35a1af401bd52d68d6480a231171ae3b4833688a

  • SHA512

    7a2245652656888ec46a4a081aaa52ca86723b6d251059882b756fd0b7c8b0a576ad29c0b46fe3706a40d680c3940f3cadbd3716de98066b64b0b904fb624286

  • SSDEEP

    49152:B61lu6RZizQwhPuMaWFVCInTda0xW7hl8A:gG6KQwh2Mao9w+W7DZ

Malware Config

Extracted

Family

vidar

Version

1.8

Botnet

641

C2

https://t.me/year2023start

https://steamcommunity.com/profiles/76561199467421923

Attributes
  • profile_id

    641

Signatures

  • Detects LgoogLoader payload 1 IoCs
  • LgoogLoader

    A downloader capable of dropping and executing other malware families.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Loads dropped DLL 3 IoCs
  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 42 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • c:\windows\system32\taskhostw.exe
    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
    1⤵
      PID:2720
      • C:\Windows\SYSWOW64\fontview.exe
        "C:\Windows\SYSWOW64\fontview.exe"
        2⤵
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3752
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\SysWOW64\fontview.exe" & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4900
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 6
            4⤵
            • Delays execution with timeout.exe
            PID:4536
    • C:\Users\Admin\AppData\Local\Temp\75fcb5d94124e7f3d099d6ac35a1af401bd52d68d6480a231171ae3b4833688a.exe
      "C:\Users\Admin\AppData\Local\Temp\75fcb5d94124e7f3d099d6ac35a1af401bd52d68d6480a231171ae3b4833688a.exe"
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe"
        2⤵
          PID:4772
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe"
          2⤵
            PID:4816
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe"
            2⤵
              PID:4824

          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

          • \Users\Admin\AppData\Local\Temp240553718.dll

            Filesize

            617KB

            MD5

            44b25d6ac0bccdccb9e9412e0fe85c1e

            SHA1

            175cf3733360d01184d033c18cefdc5a1e626409

            SHA256

            581739ae51a7ed197d380b14a29d75d29370241d8ee900a25bb5d04183315c81

            SHA512

            421ec70f308bb6a1dd716eb181f295d84662e7115543b1ec0142d82765e79e3b5f0040d8bd970d475c891090cf97d155110e05e2729f61a4ed9afd787fd25da2

          • memory/2728-152-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-146-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-119-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-120-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-121-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-122-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-123-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-124-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-125-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-126-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-127-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-128-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-129-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-130-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-131-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-132-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-133-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-134-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-135-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-136-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-137-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-138-0x0000000002B10000-0x0000000002CE2000-memory.dmp

            Filesize

            1.8MB

          • memory/2728-139-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-140-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-141-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-142-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-144-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-143-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-145-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-155-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-147-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-148-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-149-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-150-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-151-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-117-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-210-0x0000000002B10000-0x0000000002CE2000-memory.dmp

            Filesize

            1.8MB

          • memory/2728-244-0x000000000BB20000-0x000000000BE25000-memory.dmp

            Filesize

            3.0MB

          • memory/2728-118-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-156-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-157-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-158-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-159-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-160-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-161-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-162-0x000000000BB20000-0x000000000BE25000-memory.dmp

            Filesize

            3.0MB

          • memory/2728-163-0x000000000BB20000-0x000000000BE25000-memory.dmp

            Filesize

            3.0MB

          • memory/2728-177-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-153-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-116-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-115-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/2728-343-0x0000000002B10000-0x0000000002CE2000-memory.dmp

            Filesize

            1.8MB

          • memory/2728-154-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/3752-337-0x0000000000120000-0x0000000000181000-memory.dmp

            Filesize

            388KB

          • memory/3752-243-0x0000000000120000-0x0000000000181000-memory.dmp

            Filesize

            388KB

          • memory/3752-279-0x0000000000120000-0x0000000000181000-memory.dmp

            Filesize

            388KB

          • memory/4824-181-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/4824-173-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/4824-174-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/4824-179-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/4824-178-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/4824-180-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/4824-172-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4824-171-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/4824-170-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/4824-169-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/4824-168-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/4824-175-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/4824-207-0x0000000000F60000-0x0000000000F6D000-memory.dmp

            Filesize

            52KB

          • memory/4824-206-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4824-167-0x0000000077100000-0x000000007728E000-memory.dmp

            Filesize

            1.6MB

          • memory/4824-166-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4824-164-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB