Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2024, 20:13

General

  • Target
    a47e4ba5794dfd910a1402833d5f379e.exe
  • Size 3.9MB
  • Sample240225-yzs1pabb67
  • SHA256 723e570331aa3284a7b94f247edd6c395df4dc0f55f1d263f418207c28ef0dbe
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nullmixer

C2
  • http://hsiens.xyz/

Extracted

Family
  • privateloader

C2
  • http://37.0.10.214/proxies.txt

  • http://37.0.10.171/server.txt

  • http://wfsdragon.ru/api/setStats.php

  • 37.0.10.185

Extracted

Family
  • smokeloader

Botnet
  • pub5

Extracted

Family
  • redline

Botnet
  • pab3

C2
  • 185.215.113.15:61506

Extracted

Family
  • vidar

Version
  • 40

Botnet
  • 706

C2
  • https://lenak513.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

Signatures

  • NullMixer

    NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 3 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 14 IoCs
  • Loads dropped DLL 56 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 9 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\a47e4ba5794dfd910a1402833d5f379e.exe
    "C:\Users\Admin\AppData\Local\Temp\a47e4ba5794dfd910a1402833d5f379e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
      "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1444
      • C:\Users\Admin\AppData\Local\Temp\7zS4A534266\setup_install.exe
        "C:\Users\Admin\AppData\Local\Temp\7zS4A534266\setup_install.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2476
        • 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"
          4⤵
            PID:1060
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp"
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:584
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c Wed018f781281d3.exe
            4⤵
            • Loads dropped DLL
            PID:2812
            • C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed018f781281d3.exe
              Wed018f781281d3.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:796
              • C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed018f781281d3.exe
                "C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed018f781281d3.exe" -a
                6⤵
                • Executes dropped EXE
                • Loads dropped DLL
                PID:1392
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c Wed01cc14a7b232c573c.exe
            4⤵
            • Loads dropped DLL
            PID:2816
            • C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed01cc14a7b232c573c.exe
              Wed01cc14a7b232c573c.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks SCSI registry key(s)
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              PID:804
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c Wed01b1b688489137a.exe
            4⤵
            • Loads dropped DLL
            PID:2828
            • C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed01b1b688489137a.exe
              Wed01b1b688489137a.exe
              5⤵
              • Executes dropped EXE
              PID:2024
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c Wed016c6ddb9ad40722.exe
            4⤵
            • Loads dropped DLL
            PID:2848
            • C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed016c6ddb9ad40722.exe
              Wed016c6ddb9ad40722.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:2512
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 960
                6⤵
                • Loads dropped DLL
                • Program crash
                PID:2252
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c Wed0187dd5121696b.exe
            4⤵
            • Loads dropped DLL
            PID:2956
            • C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed0187dd5121696b.exe
              Wed0187dd5121696b.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:924
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c Wed01033f590d8.exe
            4⤵
            • Loads dropped DLL
            PID:2844
            • C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed01033f590d8.exe
              Wed01033f590d8.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of AdjustPrivilegeToken
              PID:1664
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c Wed018143c5ab.exe
            4⤵
            • Loads dropped DLL
            PID:2968
            • C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed018143c5ab.exe
              Wed018143c5ab.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Adds Run key to start application
              PID:2948
              • C:\Windows\SysWOW64\dllhost.exe
                dllhost.exe
                6⤵
                  PID:2352
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /c cmd < Vai.pdf
                  6⤵
                    PID:1984
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd
                      7⤵
                      • Loads dropped DLL
                      PID:2332
                      • C:\Windows\SysWOW64\findstr.exe
                        findstr /V /R "^mtHoKMPFYDHibgXoaLvAaWsXCpDWIDAtGvzDsjSTgLhRLduwJPppYNJDMJFBoSWxeCBqVxQuTCkHIAkke$" Dal.pdf
                        8⤵
                          PID:2348
                        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Volevo.exe.com
                          Volevo.exe.com H
                          8⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          • Suspicious use of FindShellTrayWindow
                          • Suspicious use of SendNotifyMessage
                          PID:1112
                          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Volevo.exe.com
                            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Volevo.exe.com H
                            9⤵
                            • Executes dropped EXE
                            • Suspicious use of FindShellTrayWindow
                            • Suspicious use of SendNotifyMessage
                            PID:1460
                        • C:\Windows\SysWOW64\PING.EXE
                          ping MGILJUBR -n 30
                          8⤵
                          • Runs ping.exe
                          PID:1652
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c Wed01e6754f9438ea6c7.exe
                  4⤵
                  • Loads dropped DLL
                  PID:1728
                  • C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed01e6754f9438ea6c7.exe
                    Wed01e6754f9438ea6c7.exe
                    5⤵
                    • Executes dropped EXE
                    • Modifies system certificate store
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3012
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c Wed0112c658c50.exe
                  4⤵
                  • Loads dropped DLL
                  PID:2928
                  • C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed0112c658c50.exe
                    Wed0112c658c50.exe
                    5⤵
                    • Executes dropped EXE
                    • Modifies system certificate store
                    • Suspicious use of AdjustPrivilegeToken
                    PID:932
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 436
                  4⤵
                  • Loads dropped DLL
                  • Program crash
                  PID:2120

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                Wed01033f590d8.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed01033f590d8.exe
                • Size 279KB
                • SHA256 e6271d738fc78602abc8916fb4742638b2b4c4205882f6db24eb361694c67503
                • MD5 SHA1 SHA512 SSDEEP

                Wed0112c658c50.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed0112c658c50.exe
                • Size 152KB
                • SHA256 92c43f1a70140426e05b5164d986dca73bf041dc5dae80bd47244cb695d7c0ac
                • MD5 SHA1 SHA512 SSDEEP

                Wed016c6ddb9ad40722.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed016c6ddb9ad40722.exe
                • Size 557KB
                • SHA256 835443a1038ad5e0a4dde2451baa95b529f049362955d57daf0b5921729a4f17
                • MD5 SHA1 SHA512 SSDEEP

                Wed018143c5ab.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed018143c5ab.exe
                • Size 1.4MB
                • SHA256 01d11314c2c047a01b4159aa32b9afa3f3b7e3fc3b3ea46476c85346f3887949
                • MD5 SHA1 SHA512 SSDEEP

                Wed0187dd5121696b.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed0187dd5121696b.exe
                • Size 627KB
                • SHA256 1cd9a6908f8a5d58487e6cfea76a388a927f1569ba2b2459f25fffaf8180230f
                • MD5 SHA1 SHA512 SSDEEP

                Wed018f781281d3.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed018f781281d3.exe
                • Size 56KB
                • SHA256 78958d664b1c140f2b45e56c4706108eeb5f14756977e2efd3409f8a788d3c98
                • MD5 SHA1 SHA512 SSDEEP

                Wed01b1b688489137a.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed01b1b688489137a.exe
                • Size 241KB
                • SHA256 9e1a149370efe9814bf2cbd87acfcfa410d1769efd86a9722da4373d6716d22e
                • MD5 SHA1 SHA512 SSDEEP

                Wed01cc14a7b232c573c.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed01cc14a7b232c573c.exe
                • Size 196KB
                • SHA256 2119966414dba3ac3e2e59a069972c6e83a489d9cd9839edf504b8d218844b22
                • MD5 SHA1 SHA512 SSDEEP

                Wed01e6754f9438ea6c7.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS4A534266\Wed01e6754f9438ea6c7.exe
                • Size 8KB
                • SHA256 416e63fb614101d5644592d5f589f358f8d5a41dd6812a717cbf05470864ac6f
                • MD5 SHA1 SHA512 SSDEEP

                libcurlpp.dll

                • Path C:\Users\Admin\AppData\Local\Temp\7zS4A534266\libcurlpp.dll
                • Size 54KB
                • SHA256 43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f
                • MD5 SHA1 SHA512 SSDEEP

                libstdc++-6.dll

                • Path C:\Users\Admin\AppData\Local\Temp\7zS4A534266\libstdc++-6.dll
                • Size 647KB
                • SHA256 97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87
                • MD5 SHA1 SHA512 SSDEEP

                setup_install.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS4A534266\setup_install.exe
                • Size 1.1MB
                • SHA256 3afdc401e5505e63846189c020d5d45473f54cfcc19cfd99fe6ad41ee1fce3d9
                • MD5 SHA1 SHA512 SSDEEP

                Cab6931.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\Cab6931.tmp
                • Size 65KB
                • SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
                • MD5 SHA1 SHA512 SSDEEP

                Tar699D.tmp

                • Path C:\Users\Admin\AppData\Local\Temp\Tar699D.tmp
                • Size 171KB
                • SHA256 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
                • MD5 SHA1 SHA512 SSDEEP

                libcurl.dll

                • Path \Users\Admin\AppData\Local\Temp\7zS4A534266\libcurl.dll
                • Size 218KB
                • SHA256 0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e
                • MD5 SHA1 SHA512 SSDEEP

                libgcc_s_dw2-1.dll

                • Path \Users\Admin\AppData\Local\Temp\7zS4A534266\libgcc_s_dw2-1.dll
                • Size 113KB
                • SHA256 59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e
                • MD5 SHA1 SHA512 SSDEEP

                libwinpthread-1.dll

                • Path \Users\Admin\AppData\Local\Temp\7zS4A534266\libwinpthread-1.dll
                • Size 69KB
                • SHA256 509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723
                • MD5 SHA1 SHA512 SSDEEP

                setup_install.exe

                • Path \Users\Admin\AppData\Local\Temp\7zS4A534266\setup_install.exe
                • Size 2.1MB
                • SHA256 9248ef64dd344154dea5f1a4dc15833899ba6b6cf66093fe7eb492c25462bfd9
                • MD5 SHA1 SHA512 SSDEEP

                setup_install.exe

                • Path \Users\Admin\AppData\Local\Temp\7zS4A534266\setup_install.exe
                • Size 1.9MB
                • SHA256 eb93333b61e936e40c8cb5b13c230b11c31e23bed3311bbd7594ff87b231e8a1
                • MD5 SHA1 SHA512 SSDEEP

                setup_install.exe

                • Path \Users\Admin\AppData\Local\Temp\7zS4A534266\setup_install.exe
                • Size 1.8MB
                • SHA256 77881fbf12994a65e4b48e2f25c6da2a18acf0306e60bd14fca4015fb41d146b
                • MD5 SHA1 SHA512 SSDEEP

                setup_installer.exe

                • Path \Users\Admin\AppData\Local\Temp\setup_installer.exe
                • Size 3.9MB
                • SHA256 43ae9cca6b997c4b73fc8ac92f9ee8065dc15d1acbaa09b81a24ef6a9bcf1f16
                • MD5 SHA1 SHA512 SSDEEP

                memory/584-376-0x00000000712B0000-0x000000007185B000-memory.dmp

                memory/584-301-0x0000000000860000-0x00000000008A0000-memory.dmp

                memory/584-300-0x00000000712B0000-0x000000007185B000-memory.dmp

                memory/804-304-0x0000000000240000-0x0000000000249000-memory.dmp

                memory/804-303-0x0000000003100000-0x0000000003200000-memory.dmp

                memory/804-305-0x0000000000400000-0x0000000002CBF000-memory.dmp

                memory/804-343-0x0000000000400000-0x0000000002CBF000-memory.dmp

                memory/932-129-0x0000000000150000-0x0000000000156000-memory.dmp

                memory/932-132-0x00000000002D0000-0x00000000002F2000-memory.dmp

                memory/932-133-0x00000000002F0000-0x00000000002F6000-memory.dmp

                memory/932-128-0x00000000009C0000-0x00000000009EC000-memory.dmp

                memory/932-342-0x000007FEF4310000-0x000007FEF4CFC000-memory.dmp

                memory/1452-341-0x0000000002750000-0x0000000002766000-memory.dmp

                memory/1664-314-0x0000000004920000-0x0000000004940000-memory.dmp

                memory/1664-379-0x00000000071F0000-0x0000000007230000-memory.dmp

                memory/1664-422-0x0000000002DD0000-0x0000000002ED0000-memory.dmp

                memory/1664-134-0x0000000004740000-0x0000000004762000-memory.dmp

                memory/1664-427-0x00000000071F0000-0x0000000007230000-memory.dmp

                memory/1664-136-0x0000000002DD0000-0x0000000002ED0000-memory.dmp

                memory/1664-137-0x0000000000250000-0x000000000027F000-memory.dmp

                memory/1664-147-0x0000000000400000-0x0000000002CD3000-memory.dmp

                memory/2476-78-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                memory/2476-320-0x0000000064940000-0x0000000064959000-memory.dmp

                memory/2476-59-0x000000006B280000-0x000000006B2A6000-memory.dmp

                memory/2476-82-0x000000006B280000-0x000000006B2A6000-memory.dmp

                memory/2476-70-0x000000006B440000-0x000000006B4CF000-memory.dmp

                memory/2476-83-0x000000006B280000-0x000000006B2A6000-memory.dmp

                memory/2476-80-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                memory/2476-79-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                memory/2476-77-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                memory/2476-64-0x000000006B440000-0x000000006B4CF000-memory.dmp

                memory/2476-71-0x0000000064940000-0x0000000064959000-memory.dmp

                memory/2476-74-0x000000006B440000-0x000000006B4CF000-memory.dmp

                memory/2476-319-0x0000000000400000-0x000000000051B000-memory.dmp

                memory/2476-340-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                memory/2476-321-0x000000006B280000-0x000000006B2A6000-memory.dmp

                memory/2476-332-0x000000006EB40000-0x000000006EB63000-memory.dmp

                memory/2476-322-0x000000006B440000-0x000000006B4CF000-memory.dmp

                memory/2476-75-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                memory/2476-73-0x000000006B440000-0x000000006B4CF000-memory.dmp

                memory/2512-316-0x0000000002E90000-0x0000000002F90000-memory.dmp

                memory/2512-317-0x0000000002D20000-0x0000000002DBD000-memory.dmp

                memory/2512-318-0x0000000000400000-0x0000000002D1A000-memory.dmp

                memory/2512-424-0x0000000002E90000-0x0000000002F90000-memory.dmp

                memory/3012-135-0x000007FEF4310000-0x000007FEF4CFC000-memory.dmp

                memory/3012-415-0x000007FEF4310000-0x000007FEF4CFC000-memory.dmp

                memory/3012-302-0x0000000000500000-0x0000000000580000-memory.dmp

                memory/3012-423-0x0000000000500000-0x0000000000580000-memory.dmp

                memory/3012-127-0x00000000013B0000-0x00000000013B8000-memory.dmp