Analysis

  • max time kernel
    33s
  • max time network
    168s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    25/10/2021, 05:06

General

  • Target
    FC2E04D392AB5E508FDF6C90CE456BFD0AF6DEF1F10A2.exe
  • Size 3.3MB
  • Sample211025-fre5rageel
  • SHA256 fc2e04d392ab5e508fdf6c90ce456bfd0af6def1f10a2074f82df8f58079d5e4
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 40.1

Botnet
  • 706

C2
  • https://eduarroma.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://aucmoney.com/upload/

  • http://thegymmum.com/upload/

  • http://atvcampingtrips.com/upload/

  • http://kuapakualaman.com/upload/

  • http://renatazarazua.com/upload/

  • http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family
  • vidar

Version
  • 41.5

Botnet
  • 937

C2
  • https://mas.to/@xeroxxx

Attributes
  • profile_id

    937

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

  • Vidar Stealer 3 IoCs
  • ASPack v2.12-2.42 6 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Downloads MZ/PE file
  • Executes dropped EXE 11 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 43 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FC2E04D392AB5E508FDF6C90CE456BFD0AF6DEF1F10A2.exe
    "C:\Users\Admin\AppData\Local\Temp\FC2E04D392AB5E508FDF6C90CE456BFD0AF6DEF1F10A2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Users\Admin\AppData\Local\Temp\7zS013C4306\setup_install.exe
      "C:\Users\Admin\AppData\Local\Temp\7zS013C4306\setup_install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp"
        3⤵
          PID:1212
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1072
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c Tue14d5c83cd6f6e941.exe
          3⤵
          • Loads dropped DLL
          PID:1156
          • C:\Users\Admin\AppData\Local\Temp\7zS013C4306\Tue14d5c83cd6f6e941.exe
            Tue14d5c83cd6f6e941.exe
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies system certificate store
            PID:1768
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 952
              5⤵
              • Loads dropped DLL
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1408
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c Tue1444a019a95f.exe
          3⤵
          • Loads dropped DLL
          PID:2012
          • C:\Users\Admin\AppData\Local\Temp\7zS013C4306\Tue1444a019a95f.exe
            Tue1444a019a95f.exe
            4⤵
            • Executes dropped EXE
            • Checks computer location settings
            • Loads dropped DLL
            PID:1376
            • C:\Users\Admin\Pictures\Adobe Films\pexja_q6CON7qvTlUjQ7jHrW.exe
              "C:\Users\Admin\Pictures\Adobe Films\pexja_q6CON7qvTlUjQ7jHrW.exe"
              5⤵
              • Executes dropped EXE
              PID:848
            • C:\Users\Admin\Pictures\Adobe Films\9dlPnQ3K9KENelmqgLTr0dHk.exe
              "C:\Users\Admin\Pictures\Adobe Films\9dlPnQ3K9KENelmqgLTr0dHk.exe"
              5⤵
                PID:2068
              • C:\Users\Admin\Pictures\Adobe Films\REqTtXFuEzZaGosESZd_oBnD.exe
                "C:\Users\Admin\Pictures\Adobe Films\REqTtXFuEzZaGosESZd_oBnD.exe"
                5⤵
                  PID:2084
                  • C:\Program Files (x86)\Company\NewProduct\cutm3.exe
                    "C:\Program Files (x86)\Company\NewProduct\cutm3.exe"
                    6⤵
                      PID:2512
                    • C:\Program Files (x86)\Company\NewProduct\inst3.exe
                      "C:\Program Files (x86)\Company\NewProduct\inst3.exe"
                      6⤵
                        PID:2544
                      • C:\Program Files (x86)\Company\NewProduct\md8_8eus.exe
                        "C:\Program Files (x86)\Company\NewProduct\md8_8eus.exe"
                        6⤵
                          PID:2596
                        • C:\Program Files (x86)\Company\NewProduct\DownFlSetup999.exe
                          "C:\Program Files (x86)\Company\NewProduct\DownFlSetup999.exe"
                          6⤵
                            PID:2620
                        • C:\Users\Admin\Pictures\Adobe Films\2fk4zUa79KiZHmu0ECSBhr0E.exe
                          "C:\Users\Admin\Pictures\Adobe Films\2fk4zUa79KiZHmu0ECSBhr0E.exe"
                          5⤵
                            PID:2124
                          • C:\Users\Admin\Pictures\Adobe Films\CqxMj3JHY61n6_NVr7ajDTi5.exe
                            "C:\Users\Admin\Pictures\Adobe Films\CqxMj3JHY61n6_NVr7ajDTi5.exe"
                            5⤵
                              PID:2108
                            • C:\Users\Admin\Pictures\Adobe Films\GVaPj0NYbNZsXelpETtanKFq.exe
                              "C:\Users\Admin\Pictures\Adobe Films\GVaPj0NYbNZsXelpETtanKFq.exe"
                              5⤵
                                PID:2100
                              • C:\Users\Admin\Pictures\Adobe Films\d3p9ePNXERvgYsLUuocBOzAd.exe
                                "C:\Users\Admin\Pictures\Adobe Films\d3p9ePNXERvgYsLUuocBOzAd.exe"
                                5⤵
                                  PID:2144
                                • C:\Users\Admin\Pictures\Adobe Films\yf50xuCdNq56fbeetAfO3HPS.exe
                                  "C:\Users\Admin\Pictures\Adobe Films\yf50xuCdNq56fbeetAfO3HPS.exe"
                                  5⤵
                                    PID:2176
                                  • C:\Users\Admin\Pictures\Adobe Films\0aseR3GSC3_PEyi5AbbVgODd.exe
                                    "C:\Users\Admin\Pictures\Adobe Films\0aseR3GSC3_PEyi5AbbVgODd.exe"
                                    5⤵
                                      PID:2220
                                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
                                        6⤵
                                          PID:1668
                                      • C:\Users\Admin\Pictures\Adobe Films\LfCTHFku8M58yQLIkyhrkrF5.exe
                                        "C:\Users\Admin\Pictures\Adobe Films\LfCTHFku8M58yQLIkyhrkrF5.exe"
                                        5⤵
                                          PID:2208
                                        • C:\Users\Admin\Pictures\Adobe Films\DZGCLni_v81HXapArppmb6V6.exe
                                          "C:\Users\Admin\Pictures\Adobe Films\DZGCLni_v81HXapArppmb6V6.exe"
                                          5⤵
                                            PID:2188
                                          • C:\Users\Admin\Pictures\Adobe Films\Y_MFMuSiGyb5w3eA7uXun23j.exe
                                            "C:\Users\Admin\Pictures\Adobe Films\Y_MFMuSiGyb5w3eA7uXun23j.exe"
                                            5⤵
                                              PID:2320
                                            • C:\Users\Admin\Pictures\Adobe Films\gmJZypEKf8eEKkz7aYG4TQlD.exe
                                              "C:\Users\Admin\Pictures\Adobe Films\gmJZypEKf8eEKkz7aYG4TQlD.exe"
                                              5⤵
                                                PID:2300
                                              • C:\Users\Admin\Pictures\Adobe Films\zL08r5LknlWqR7gSSgggoJuF.exe
                                                "C:\Users\Admin\Pictures\Adobe Films\zL08r5LknlWqR7gSSgggoJuF.exe"
                                                5⤵
                                                  PID:2288
                                                • C:\Users\Admin\Pictures\Adobe Films\6bfO_63KQVxpG_lZccr150dN.exe
                                                  "C:\Users\Admin\Pictures\Adobe Films\6bfO_63KQVxpG_lZccr150dN.exe"
                                                  5⤵
                                                    PID:2260
                                              • C:\Windows\SysWOW64\cmd.exe
                                                C:\Windows\system32\cmd.exe /c Tue14bf2991c6d3.exe
                                                3⤵
                                                • Loads dropped DLL
                                                PID:1736
                                                • C:\Users\Admin\AppData\Local\Temp\7zS013C4306\Tue14bf2991c6d3.exe
                                                  Tue14bf2991c6d3.exe
                                                  4⤵
                                                  • Executes dropped EXE
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  PID:1000
                                              • C:\Windows\SysWOW64\cmd.exe
                                                C:\Windows\system32\cmd.exe /c Tue14df7771140a.exe
                                                3⤵
                                                • Loads dropped DLL
                                                PID:1228
                                              • C:\Windows\SysWOW64\cmd.exe
                                                C:\Windows\system32\cmd.exe /c Tue1463c606efd.exe
                                                3⤵
                                                  PID:1388
                                                  • C:\Users\Admin\AppData\Local\Temp\7zS013C4306\Tue1463c606efd.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\7zS013C4306\Tue1463c606efd.exe"
                                                    4⤵
                                                    • Executes dropped EXE
                                                    PID:1092
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  C:\Windows\system32\cmd.exe /c Tue14763da6399edb6a0.exe
                                                  3⤵
                                                  • Loads dropped DLL
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:2004
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  C:\Windows\system32\cmd.exe /c Tue1487f0a02d7f.exe
                                                  3⤵
                                                  • Loads dropped DLL
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:1068
                                                • C:\Windows\SysWOW64\WerFault.exe
                                                  C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 420
                                                  3⤵
                                                  • Loads dropped DLL
                                                  • Program crash
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  PID:1464
                                            • C:\Users\Admin\AppData\Local\Temp\7zS013C4306\Tue1487f0a02d7f.exe
                                              Tue1487f0a02d7f.exe
                                              1⤵
                                              • Executes dropped EXE
                                              • Loads dropped DLL
                                              PID:1692
                                              • C:\Users\Admin\AppData\Local\Temp\7zS013C4306\Tue1487f0a02d7f.exe
                                                "C:\Users\Admin\AppData\Local\Temp\7zS013C4306\Tue1487f0a02d7f.exe" -a
                                                2⤵
                                                • Executes dropped EXE
                                                • Loads dropped DLL
                                                PID:1372
                                            • C:\Users\Admin\AppData\Local\Temp\7zS013C4306\Tue14df7771140a.exe
                                              Tue14df7771140a.exe
                                              1⤵
                                              • Executes dropped EXE
                                              • Modifies system certificate store
                                              • Suspicious use of AdjustPrivilegeToken
                                              PID:852
                                            • C:\Users\Admin\AppData\Local\Temp\7zS013C4306\Tue1463c606efd.exe
                                              Tue1463c606efd.exe
                                              1⤵
                                              • Executes dropped EXE
                                              PID:1580
                                            • C:\Users\Admin\AppData\Local\Temp\7zS013C4306\Tue14763da6399edb6a0.exe
                                              Tue14763da6399edb6a0.exe
                                              1⤵
                                              • Executes dropped EXE
                                              • Loads dropped DLL
                                              • Checks SCSI registry key(s)
                                              • Suspicious behavior: EnumeratesProcesses
                                              • Suspicious behavior: MapViewOfSection
                                              PID:880

                                            Network

                                                  MITRE ATT&CK Enterprise v6

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  memory/784-54-0x0000000075871000-0x0000000075873000-memory.dmp

                                                  memory/852-159-0x0000000000240000-0x000000000025C000-memory.dmp

                                                  memory/852-157-0x0000000000C80000-0x0000000000C81000-memory.dmp

                                                  memory/852-163-0x000000001B1A0000-0x000000001B1A2000-memory.dmp

                                                  memory/880-118-0x0000000002DB1000-0x0000000002DB9000-memory.dmp

                                                  memory/880-169-0x0000000000400000-0x0000000002CB1000-memory.dmp

                                                  memory/880-170-0x0000000000250000-0x0000000000259000-memory.dmp

                                                  memory/1000-165-0x000000001B1E0000-0x000000001B1E2000-memory.dmp

                                                  memory/1000-155-0x0000000000300000-0x0000000000301000-memory.dmp

                                                  memory/1072-171-0x0000000001E21000-0x0000000001E22000-memory.dmp

                                                  memory/1072-177-0x0000000001E22000-0x0000000001E24000-memory.dmp

                                                  memory/1072-166-0x0000000001E20000-0x0000000001E21000-memory.dmp

                                                  memory/1268-180-0x0000000002B20000-0x0000000002B36000-memory.dmp

                                                  memory/1376-190-0x00000000043F0000-0x000000000453A000-memory.dmp

                                                  memory/1388-167-0x0000000002140000-0x0000000002235000-memory.dmp

                                                  memory/1408-189-0x0000000001EE0000-0x0000000001EE1000-memory.dmp

                                                  memory/1464-179-0x0000000000430000-0x00000000004B0000-memory.dmp

                                                  memory/1472-82-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                                  memory/1472-77-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                                  memory/1472-79-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                                  memory/1472-105-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                                  memory/1472-104-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                                  memory/1472-99-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                                  memory/1472-87-0x0000000064940000-0x0000000064959000-memory.dmp

                                                  memory/1472-76-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                                  memory/1472-91-0x0000000064940000-0x0000000064959000-memory.dmp

                                                  memory/1472-75-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                                  memory/1472-80-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                                  memory/1472-83-0x0000000064940000-0x0000000064959000-memory.dmp

                                                  memory/1472-78-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                                  memory/1472-81-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                                  memory/1472-92-0x0000000064940000-0x0000000064959000-memory.dmp

                                                  memory/1768-176-0x0000000000400000-0x0000000002D0D000-memory.dmp

                                                  memory/1768-175-0x0000000003250000-0x0000000005B5D000-memory.dmp

                                                  memory/1768-146-0x0000000000301000-0x0000000000365000-memory.dmp

                                                  memory/2068-239-0x0000000000C10000-0x0000000000C11000-memory.dmp

                                                  memory/2124-226-0x0000000002BF0000-0x0000000002CC6000-memory.dmp

                                                  memory/2124-227-0x0000000000400000-0x0000000001091000-memory.dmp

                                                  memory/2124-214-0x0000000001221000-0x000000000129D000-memory.dmp

                                                  memory/2144-231-0x00000000013C0000-0x00000000013C1000-memory.dmp

                                                  memory/2188-221-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

                                                  memory/2220-246-0x0000000000120000-0x0000000000121000-memory.dmp

                                                  memory/2220-247-0x0000000000120000-0x0000000000121000-memory.dmp

                                                  memory/2220-245-0x0000000000110000-0x0000000000111000-memory.dmp

                                                  memory/2220-244-0x0000000000110000-0x0000000000111000-memory.dmp

                                                  memory/2288-220-0x0000000000B60000-0x0000000000B61000-memory.dmp

                                                  memory/2288-243-0x0000000000350000-0x0000000000351000-memory.dmp

                                                  memory/2300-228-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                  memory/2544-241-0x0000000000120000-0x0000000000130000-memory.dmp

                                                  memory/2596-237-0x0000000000F50000-0x0000000001501000-memory.dmp

                                                  memory/2596-238-0x0000000000150000-0x0000000000153000-memory.dmp

                                                  memory/2620-236-0x0000000000160000-0x0000000000161000-memory.dmp