Analysis

  • max time kernel
    90s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 06:55

General

  • Target

    51fda686a2702205373d05e4fa414c0dd78cec4a639f118cfd42dd598483bf5b.exe

  • Size

    1.4MB

  • MD5

    527dfd8be2507b6ff19edd7da120d078

  • SHA1

    d08565e68cb79a3efcf0ab8d0ad6389f2b948d4c

  • SHA256

    51fda686a2702205373d05e4fa414c0dd78cec4a639f118cfd42dd598483bf5b

  • SHA512

    96d340a7e965fa49d22b5b818b9fa6e483b9de2c7730dbd9d4394e7db7aea5c8a3b52ace92c015665048a61234d9cbc5db089f86cebaaa5c9bba2d88299a097f

Malware Config

Extracted

Family

vidar

Version

52.2

Botnet

1326

C2

https://t.me/netflixaccsfree

https://mastodon.social/@ronxik12

Attributes
  • profile_id

    1326

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 4 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
  • 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51fda686a2702205373d05e4fa414c0dd78cec4a639f118cfd42dd598483bf5b.exe
    "C:\Users\Admin\AppData\Local\Temp\51fda686a2702205373d05e4fa414c0dd78cec4a639f118cfd42dd598483bf5b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
        PID:2396
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
          PID:4624
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
          2⤵
            PID:1596
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
            2⤵
              PID:2532
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
              2⤵
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4224
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c taskkill /im InstallUtil.exe /f & timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" & del C:\ProgramData\*.dll & exit
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:5000
                • C:\Windows\SysWOW64\taskkill.exe
                  taskkill /im InstallUtil.exe /f
                  4⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4708
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  4⤵
                  • Delays execution with timeout.exe
                  PID:4128

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Credential Access

          Credentials in Files

          2
          T1081

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          1
          T1082

          Collection

          Data from Local System

          2
          T1005

          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\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\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

          • memory/1596-135-0x0000000000000000-mapping.dmp
          • memory/2396-133-0x0000000000000000-mapping.dmp
          • memory/2420-132-0x000000000DAE0000-0x000000000DE46000-memory.dmp
            Filesize

            3.4MB

          • memory/2420-130-0x0000000002845000-0x00000000029C2000-memory.dmp
            Filesize

            1.5MB

          • memory/2420-131-0x000000000DAE0000-0x000000000DE46000-memory.dmp
            Filesize

            3.4MB

          • memory/2532-136-0x0000000000000000-mapping.dmp
          • memory/4128-167-0x0000000000000000-mapping.dmp
          • memory/4224-144-0x0000000060900000-0x0000000060992000-memory.dmp
            Filesize

            584KB

          • memory/4224-143-0x0000000000400000-0x0000000000453000-memory.dmp
            Filesize

            332KB

          • memory/4224-142-0x0000000000400000-0x0000000000453000-memory.dmp
            Filesize

            332KB

          • memory/4224-141-0x0000000000400000-0x0000000000453000-memory.dmp
            Filesize

            332KB

          • memory/4224-140-0x0000000000400000-0x0000000000453000-memory.dmp
            Filesize

            332KB

          • memory/4224-138-0x0000000000400000-0x0000000000453000-memory.dmp
            Filesize

            332KB

          • memory/4224-137-0x0000000000000000-mapping.dmp
          • memory/4624-134-0x0000000000000000-mapping.dmp
          • memory/4708-166-0x0000000000000000-mapping.dmp
          • memory/5000-165-0x0000000000000000-mapping.dmp