Resubmissions

11-07-2024 05:43

240711-gej4lstgrf 10

06-09-2021 14:13

210906-rjpvrsedbm 10

08-07-2021 11:08

210708-4gztl3mwl6 10

08-07-2021 08:02

210708-klfb4qeda6 10

07-07-2021 09:39

210707-nem57xyvf2 10

06-07-2021 17:51

210706-7pcrmjy3fa 10

06-07-2021 13:45

210706-eybelwcq86 10

Analysis

  • max time kernel
    1831s
  • max time network
    1841s
  • platform
    windows7_x64
  • resource
    win7-en
  • submitted
    06-09-2021 14:13

General

  • Target

    setup_x86_x64_install - копия (2).exe

  • Size

    3.2MB

  • MD5

    3ae1c212119919e5fce71247286f8e0e

  • SHA1

    97c1890ab73c539056f95eafede319df774e9d38

  • SHA256

    30c2f230e5401b4b1ea8fb425dadf4e453575884303b9fa2066e6a91859f016e

  • SHA512

    5bb28a775c10b8b68b8c448d64287ca732d0af5577ecc4348a89934358440bb4ff6958115f14ecbabb0446d234d6f621afa3419daa4aec6c03c0af9b6a3b1558

Malware Config

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

ServAni

C2

87.251.71.195:82

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

rc4.i32
rc4.i32

Signatures

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

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

  • RedLine Payload 3 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • ASPack v2.12-2.42 14 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 17 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 64 IoCs
  • 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.

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 12 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 20 IoCs
  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:468
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:884
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {635F2313-425F-4C06-988C-296222F197A8} S-1-5-21-1669990088-476967504-438132596-1000:KJUCCLUP\Admin:Interactive:[1]
          3⤵
            PID:668
            • C:\Users\Admin\AppData\Roaming\ricwwru
              C:\Users\Admin\AppData\Roaming\ricwwru
              4⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks SCSI registry key(s)
              • Suspicious behavior: MapViewOfSection
              PID:1636
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {08C70CA2-BAC1-4BF6-B4CB-8EAE87D11403} S-1-5-21-1669990088-476967504-438132596-1000:KJUCCLUP\Admin:Interactive:[1]
            3⤵
              PID:1652
              • C:\Users\Admin\AppData\Roaming\ricwwru
                C:\Users\Admin\AppData\Roaming\ricwwru
                4⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Checks SCSI registry key(s)
                • Suspicious behavior: MapViewOfSection
                PID:1488
            • C:\Windows\system32\taskeng.exe
              taskeng.exe {3D3A9CF8-CF34-4479-A7A0-6FB394666C6E} S-1-5-21-1669990088-476967504-438132596-1000:KJUCCLUP\Admin:Interactive:[1]
              3⤵
                PID:904
                • C:\Users\Admin\AppData\Roaming\ricwwru
                  C:\Users\Admin\AppData\Roaming\ricwwru
                  4⤵
                  • Executes dropped EXE
                  • Checks SCSI registry key(s)
                  • Suspicious behavior: MapViewOfSection
                  PID:2028
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k SystemNetworkService
              2⤵
              • Checks processor information in registry
              • Modifies data under HKEY_USERS
              • Modifies registry class
              PID:1036
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k SystemNetworkService
              2⤵
              • Drops file in System32 directory
              • Checks processor information in registry
              • Modifies data under HKEY_USERS
              • Modifies registry class
              PID:1032
          • C:\Users\Admin\AppData\Local\Temp\setup_x86_x64_install - копия (2).exe
            "C:\Users\Admin\AppData\Local\Temp\setup_x86_x64_install - копия (2).exe"
            1⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2036
            • 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:1132
              • C:\Users\Admin\AppData\Local\Temp\7zSC6448484\setup_install.exe
                "C:\Users\Admin\AppData\Local\Temp\7zSC6448484\setup_install.exe"
                3⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of WriteProcessMemory
                PID:1780
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c arnatic_1.exe
                  4⤵
                  • Loads dropped DLL
                  • Suspicious use of WriteProcessMemory
                  PID:1400
                  • C:\Users\Admin\AppData\Local\Temp\7zSC6448484\arnatic_1.exe
                    arnatic_1.exe
                    5⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Modifies system certificate store
                    PID:1208
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 960
                      6⤵
                      • Loads dropped DLL
                      • Program crash
                      • Suspicious behavior: GetForegroundWindowSpam
                      PID:2008
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c arnatic_2.exe
                  4⤵
                  • Loads dropped DLL
                  • Suspicious use of WriteProcessMemory
                  PID:1564
                  • C:\Users\Admin\AppData\Local\Temp\7zSC6448484\arnatic_2.exe
                    arnatic_2.exe
                    5⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Checks SCSI registry key(s)
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious behavior: MapViewOfSection
                    PID:672
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c arnatic_3.exe
                  4⤵
                  • Loads dropped DLL
                  • Suspicious use of WriteProcessMemory
                  PID:1368
                  • C:\Users\Admin\AppData\Local\Temp\7zSC6448484\arnatic_3.exe
                    arnatic_3.exe
                    5⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:1036
                    • C:\Windows\SysWOW64\rUNdlL32.eXe
                      "C:\Windows\system32\rUNdlL32.eXe" "C:\Users\Admin\AppData\Local\Temp\axhub.dll",axhub
                      6⤵
                      • Loads dropped DLL
                      • Modifies registry class
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:932
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c arnatic_4.exe
                  4⤵
                  • Loads dropped DLL
                  PID:2024
                  • C:\Users\Admin\AppData\Local\Temp\7zSC6448484\arnatic_4.exe
                    arnatic_4.exe
                    5⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Modifies system certificate store
                    PID:1684
                    • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                      C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                      6⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      PID:2036
                    • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                      C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                      6⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1232
                    • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                      C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                      6⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      PID:1472
                    • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                      C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                      6⤵
                      • Executes dropped EXE
                      PID:1000
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c arnatic_5.exe
                  4⤵
                  • Loads dropped DLL
                  PID:1108
                  • C:\Users\Admin\AppData\Local\Temp\7zSC6448484\arnatic_5.exe
                    arnatic_5.exe
                    5⤵
                    • Executes dropped EXE
                    • Modifies system certificate store
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1764
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c arnatic_6.exe
                  4⤵
                  • Loads dropped DLL
                  PID:936
                  • C:\Users\Admin\AppData\Local\Temp\7zSC6448484\arnatic_6.exe
                    arnatic_6.exe
                    5⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:760
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c arnatic_7.exe
                  4⤵
                  • Loads dropped DLL
                  PID:1632
                  • C:\Users\Admin\AppData\Local\Temp\7zSC6448484\arnatic_7.exe
                    arnatic_7.exe
                    5⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Suspicious use of SetThreadContext
                    PID:1812
                    • C:\Users\Admin\AppData\Local\Temp\7zSC6448484\arnatic_7.exe
                      C:\Users\Admin\AppData\Local\Temp\7zSC6448484\arnatic_7.exe
                      6⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      PID:464

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/464-184-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

            Filesize

            4KB

          • memory/464-181-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/464-178-0x0000000000400000-0x000000000041E000-memory.dmp

            Filesize

            120KB

          • memory/672-175-0x0000000000400000-0x00000000008F4000-memory.dmp

            Filesize

            5.0MB

          • memory/672-174-0x0000000000240000-0x0000000000249000-memory.dmp

            Filesize

            36KB

          • memory/884-187-0x0000000001000000-0x0000000001071000-memory.dmp

            Filesize

            452KB

          • memory/884-186-0x0000000000870000-0x00000000008BC000-memory.dmp

            Filesize

            304KB

          • memory/932-169-0x00000000020B0000-0x00000000021B1000-memory.dmp

            Filesize

            1.0MB

          • memory/932-170-0x00000000007D0000-0x000000000082D000-memory.dmp

            Filesize

            372KB

          • memory/1032-199-0x0000000000270000-0x000000000028B000-memory.dmp

            Filesize

            108KB

          • memory/1032-194-0x0000000000490000-0x0000000000504000-memory.dmp

            Filesize

            464KB

          • memory/1032-198-0x000007FEFBF31000-0x000007FEFBF33000-memory.dmp

            Filesize

            8KB

          • memory/1032-193-0x0000000000060000-0x00000000000AE000-memory.dmp

            Filesize

            312KB

          • memory/1032-200-0x00000000030E0000-0x00000000031E6000-memory.dmp

            Filesize

            1.0MB

          • memory/1036-188-0x0000000000470000-0x00000000004E1000-memory.dmp

            Filesize

            452KB

          • memory/1208-177-0x0000000000400000-0x0000000000949000-memory.dmp

            Filesize

            5.3MB

          • memory/1208-176-0x0000000000310000-0x00000000003AD000-memory.dmp

            Filesize

            628KB

          • memory/1392-205-0x0000000002930000-0x0000000002946000-memory.dmp

            Filesize

            88KB

          • memory/1392-219-0x0000000002980000-0x0000000002996000-memory.dmp

            Filesize

            88KB

          • memory/1392-189-0x0000000002AB0000-0x0000000002AC6000-memory.dmp

            Filesize

            88KB

          • memory/1392-212-0x0000000002950000-0x0000000002966000-memory.dmp

            Filesize

            88KB

          • memory/1488-211-0x0000000000400000-0x00000000008F4000-memory.dmp

            Filesize

            5.0MB

          • memory/1636-204-0x0000000000400000-0x00000000008F4000-memory.dmp

            Filesize

            5.0MB

          • memory/1764-173-0x0000000000300000-0x0000000000301000-memory.dmp

            Filesize

            4KB

          • memory/1764-159-0x0000000001020000-0x0000000001021000-memory.dmp

            Filesize

            4KB

          • memory/1764-183-0x000000001AE40000-0x000000001AE42000-memory.dmp

            Filesize

            8KB

          • memory/1764-172-0x00000000002D0000-0x00000000002EF000-memory.dmp

            Filesize

            124KB

          • memory/1764-171-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/1780-88-0x000000006B280000-0x000000006B2A6000-memory.dmp

            Filesize

            152KB

          • memory/1780-89-0x0000000000400000-0x000000000051E000-memory.dmp

            Filesize

            1.1MB

          • memory/1780-83-0x000000006B440000-0x000000006B4CF000-memory.dmp

            Filesize

            572KB

          • memory/1780-93-0x0000000064940000-0x0000000064959000-memory.dmp

            Filesize

            100KB

          • memory/1780-92-0x0000000064940000-0x0000000064959000-memory.dmp

            Filesize

            100KB

          • memory/1780-85-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

          • memory/1780-84-0x000000006B440000-0x000000006B4CF000-memory.dmp

            Filesize

            572KB

          • memory/1780-91-0x0000000064940000-0x0000000064959000-memory.dmp

            Filesize

            100KB

          • memory/1780-87-0x000000006B280000-0x000000006B2A6000-memory.dmp

            Filesize

            152KB

          • memory/1780-86-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

          • memory/1780-82-0x0000000064940000-0x0000000064959000-memory.dmp

            Filesize

            100KB

          • memory/1780-90-0x0000000000400000-0x000000000051E000-memory.dmp

            Filesize

            1.1MB

          • memory/1812-157-0x0000000000D70000-0x0000000000D71000-memory.dmp

            Filesize

            4KB

          • memory/2008-197-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2028-218-0x0000000000400000-0x00000000008F4000-memory.dmp

            Filesize

            5.0MB

          • memory/2036-53-0x00000000761B1000-0x00000000761B3000-memory.dmp

            Filesize

            8KB