Analysis

  • max time kernel
    25s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2023 07:59

General

  • Target

    Setup.exe

  • Size

    688.6MB

  • MD5

    08e151d381448ed0d4bc81360ac902d3

  • SHA1

    6b41c783a0a0fa80db41ba0ea5b04039c5816504

  • SHA256

    184ce64f7c39d8bede67f57b1a114207d991d09c2db4d0c0dc58a004ee8b2219

  • SHA512

    a9557aa238fd749094f8f945b47bc052838cba4c97004dcd07d4c85c17c5c356777dabc3b49ee9c59676ef9115ccc5cf338cc8460ad6366f0ba4c3c9a625525f

  • SSDEEP

    98304:OnkCLdNtZv0I83Xs0GVJ4w/iVG+Kqezp5vXMwRzhcHlmB2r7c:Onk4NtZv0TVGVJ4waU+3S5vcCiHl/

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.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Uses the VBS compiler for execution 1 TTPs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"
      2⤵
        PID:1080
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"
        2⤵
          PID:1012
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_state.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_state.exe"
          2⤵
            PID:1340
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe"
            2⤵
              PID:1648
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
              "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe"
              2⤵
                PID:1508
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
                "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe"
                2⤵
                  PID:1140
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe
                  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe"
                  2⤵
                    PID:892
                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
                    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe"
                    2⤵
                      PID:432
                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe
                      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe"
                      2⤵
                        PID:1000
                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"
                        2⤵
                          PID:584
                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
                          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe"
                          2⤵
                            PID:1496
                          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe
                            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe"
                            2⤵
                              PID:568
                            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe
                              "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe"
                              2⤵
                                PID:524
                              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe
                                "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"
                                2⤵
                                  PID:580
                                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\regtlibv12.exe
                                  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\regtlibv12.exe"
                                  2⤵
                                    PID:2036
                                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe
                                    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe"
                                    2⤵
                                      PID:780
                                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe
                                      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe"
                                      2⤵
                                        PID:1568
                                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SetupCache\v4.7.03062\Setup.exe
                                        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SetupCache\v4.7.03062\Setup.exe"
                                        2⤵
                                          PID:1732
                                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInUtil.exe
                                          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInUtil.exe"
                                          2⤵
                                            PID:1968
                                          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\WsatConfig.exe
                                            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\WsatConfig.exe"
                                            2⤵
                                              PID:1820
                                            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe
                                              "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"
                                              2⤵
                                                PID:1872
                                              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe
                                                "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"
                                                2⤵
                                                  PID:1964
                                                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe
                                                  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.exe"
                                                  2⤵
                                                    PID:1632
                                                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
                                                    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
                                                    2⤵
                                                      PID:1972

                                                  Network

                                                  MITRE ATT&CK Matrix ATT&CK v6

                                                  Execution

                                                  Scripting

                                                  1
                                                  T1064

                                                  Defense Evasion

                                                  Virtualization/Sandbox Evasion

                                                  1
                                                  T1497

                                                  Scripting

                                                  1
                                                  T1064

                                                  Discovery

                                                  Query Registry

                                                  2
                                                  T1012

                                                  Virtualization/Sandbox Evasion

                                                  1
                                                  T1497

                                                  System Information Discovery

                                                  2
                                                  T1082

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • memory/1528-54-0x0000000000D00000-0x0000000001842000-memory.dmp
                                                    Filesize

                                                    11.3MB

                                                  • memory/1528-55-0x0000000077140000-0x00000000772E9000-memory.dmp
                                                    Filesize

                                                    1.7MB

                                                  • memory/1528-57-0x0000000000D00000-0x0000000001842000-memory.dmp
                                                    Filesize

                                                    11.3MB

                                                  • memory/1528-58-0x0000000000D00000-0x0000000001842000-memory.dmp
                                                    Filesize

                                                    11.3MB

                                                  • memory/1528-59-0x0000000002F20000-0x0000000002FB8000-memory.dmp
                                                    Filesize

                                                    608KB

                                                  • memory/1528-64-0x0000000000D00000-0x0000000001842000-memory.dmp
                                                    Filesize

                                                    11.3MB

                                                  • memory/1528-65-0x0000000077140000-0x00000000772E9000-memory.dmp
                                                    Filesize

                                                    1.7MB

                                                  • memory/1972-60-0x0000000000400000-0x000000000046A000-memory.dmp
                                                    Filesize

                                                    424KB

                                                  • memory/1972-61-0x000000000042D1BC-mapping.dmp
                                                  • memory/1972-63-0x0000000000400000-0x000000000046A000-memory.dmp
                                                    Filesize

                                                    424KB

                                                  • memory/1972-66-0x0000000000400000-0x000000000046A000-memory.dmp
                                                    Filesize

                                                    424KB