Analysis

  • max time kernel
    70s
  • max time network
    132s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    31-05-2022 10:10

General

  • Target

    2f17c87776c24df1bac5b312c3dfbd31b61637d7191a2522026c47f78efc5795.exe

  • Size

    478KB

  • MD5

    a4155a9ac86e67f1abe1caa06ad09922

  • SHA1

    12d89a80bf4ffe6422187723739b88ea7d2d3573

  • SHA256

    2f17c87776c24df1bac5b312c3dfbd31b61637d7191a2522026c47f78efc5795

  • SHA512

    7aab92b5cf446f7d31dab6ad0ec6ed1bdaaec7e485c4509da95c606d602610986cce8cc15dbbd4a9057f600c0d33376535016c70670ab4bb4ca435875f407715

Malware Config

Extracted

Family

vidar

Version

52.4

Botnet

1366

C2

https://t.me/foreigndocs

https://c.im/@ronxik31

Attributes
  • profile_id

    1366

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

    suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

  • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

  • Vidar Stealer 3 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 SetThreadContext 1 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
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f17c87776c24df1bac5b312c3dfbd31b61637d7191a2522026c47f78efc5795.exe
    "C:\Users\Admin\AppData\Local\Temp\2f17c87776c24df1bac5b312c3dfbd31b61637d7191a2522026c47f78efc5795.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2852
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c taskkill /im AppLaunch.exe /f & timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe" & del C:\ProgramData\*.dll & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4416
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im AppLaunch.exe /f
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:3624
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 6
          4⤵
          • Delays execution with timeout.exe
          PID:2516
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 252
      2⤵
      • Program crash
      PID:4276

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\freebl3.dll

    Filesize

    326KB

    MD5

    ef2834ac4ee7d6724f255beaf527e635

    SHA1

    5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

    SHA256

    a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

    SHA512

    c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

  • C:\ProgramData\mozglue.dll

    Filesize

    133KB

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • C:\ProgramData\msvcp140.dll

    Filesize

    429KB

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • C:\ProgramData\nss3.dll

    Filesize

    1.2MB

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • C:\ProgramData\softokn3.dll

    Filesize

    141KB

    MD5

    a2ee53de9167bf0d6c019303b7ca84e5

    SHA1

    2a3c737fa1157e8483815e98b666408a18c0db42

    SHA256

    43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

    SHA512

    45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

  • C:\ProgramData\vcruntime140.dll

    Filesize

    81KB

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • \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/2308-120-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2308-137-0x0000000000C43000-0x0000000000C45000-memory.dmp

    Filesize

    8KB

  • memory/2308-123-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2308-122-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2308-121-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2308-119-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2308-118-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2516-298-0x0000000000000000-mapping.dmp

  • memory/2852-157-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-165-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-140-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2852-141-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-142-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-144-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-146-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-145-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-143-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-147-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-148-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-149-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-150-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-151-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-152-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-154-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-153-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-155-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-156-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-158-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-136-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-159-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-160-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-161-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-162-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-163-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-164-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-138-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-166-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-167-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-168-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-169-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-170-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-171-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-172-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-173-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-174-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-175-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-176-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-177-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-178-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-179-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-180-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-181-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-182-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-183-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-184-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-185-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-134-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-133-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-132-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-131-0x00000000774E0000-0x000000007766E000-memory.dmp

    Filesize

    1.6MB

  • memory/2852-130-0x000000000041EC3C-mapping.dmp

  • memory/2852-124-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/3624-255-0x0000000000000000-mapping.dmp

  • memory/4416-249-0x0000000000000000-mapping.dmp