Resubmissions

13-08-2021 10:16

210813-wpta271jdx 10

08-08-2021 23:00

210808-fgs5g9pxfs 10

07-08-2021 23:12

210807-g2jw1lmd4a 10

07-08-2021 16:10

210807-51nhct4kfx 10

06-08-2021 23:43

210806-gc2271nxwj 10

06-08-2021 06:00

210806-f443x39x8a 10

05-08-2021 17:08

210805-97y6banvvx 10

04-08-2021 17:25

210804-hkxx2ntr8x 10

04-08-2021 12:12

210804-rjbg4b4y7n 10

03-08-2021 17:12

210803-r2h7ytjwqj 10

Analysis

  • max time kernel
    17s
  • max time network
    169s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    19-07-2021 22:53

General

  • Target

    8 (17).exe

  • Size

    3.0MB

  • MD5

    bb072cad921aa5ce8b97706ce01bc570

  • SHA1

    18bf034906c1341b7817e7361ad27a4425d820bd

  • SHA256

    817a50d00909383bbef41e6f4e61b527d55f0873bcf745b29dbba75f52fe2e97

  • SHA512

    d40e5f77d882ed29bd9de5a6848072e2f81cd02176955e2b1a4aedcdf4eb687d77bebe33cef0c7d702bc828181755f86e2564523d476adbb785f396a5ce1d474

Malware Config

Extracted

Family

vidar

Version

39.6

Botnet

933

C2

https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • RedLine

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

  • RedLine Payload 2 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 9 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Downloads MZ/PE file
  • Executes dropped EXE 11 IoCs
  • UPX packed file 2 IoCs

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

  • Loads dropped DLL 9 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Browser
    1⤵
      PID:2748
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
      1⤵
        PID:352
      • C:\Users\Admin\AppData\Local\Temp\8 (17).exe
        "C:\Users\Admin\AppData\Local\Temp\8 (17).exe"
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:912
        • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
          "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2976
          • C:\Users\Admin\AppData\Local\Temp\7zS0AB1C294\setup_install.exe
            "C:\Users\Admin\AppData\Local\Temp\7zS0AB1C294\setup_install.exe"
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:184
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c sonia_1.exe
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1464
              • C:\Users\Admin\AppData\Local\Temp\7zS0AB1C294\sonia_1.exe
                sonia_1.exe
                5⤵
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:3952
                • C:\Users\Admin\AppData\Local\Temp\7zS0AB1C294\sonia_1.exe
                  "C:\Users\Admin\AppData\Local\Temp\7zS0AB1C294\sonia_1.exe" -a
                  6⤵
                  • Executes dropped EXE
                  PID:3936
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c sonia_2.exe
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2192
              • C:\Users\Admin\AppData\Local\Temp\7zS0AB1C294\sonia_2.exe
                sonia_2.exe
                5⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Checks SCSI registry key(s)
                • Suspicious behavior: EnumeratesProcesses
                PID:4048
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c sonia_3.exe
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2188
              • C:\Users\Admin\AppData\Local\Temp\7zS0AB1C294\sonia_3.exe
                sonia_3.exe
                5⤵
                • Executes dropped EXE
                PID:3716
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c sonia_4.exe
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3116
              • C:\Users\Admin\AppData\Local\Temp\7zS0AB1C294\sonia_4.exe
                sonia_4.exe
                5⤵
                • Executes dropped EXE
                PID:1032
                • C:\Users\Admin\AppData\Local\Temp\LzmwAqmV.exe
                  "C:\Users\Admin\AppData\Local\Temp\LzmwAqmV.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:3064
                  • C:\Users\Admin\AppData\Local\Temp\jhuuee.exe
                    "C:\Users\Admin\AppData\Local\Temp\jhuuee.exe"
                    7⤵
                      PID:4520
                      • 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
                        8⤵
                          PID:5024
                      • C:\Users\Admin\AppData\Local\Temp\OLKbrowser.exe
                        "C:\Users\Admin\AppData\Local\Temp\OLKbrowser.exe"
                        7⤵
                          PID:4584
                        • C:\Users\Admin\AppData\Local\Temp\setup 326.exe
                          "C:\Users\Admin\AppData\Local\Temp\setup 326.exe"
                          7⤵
                            PID:4672
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c sonia_6.exe
                      4⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3864
                      • C:\Users\Admin\AppData\Local\Temp\7zS0AB1C294\sonia_6.exe
                        sonia_6.exe
                        5⤵
                        • Executes dropped EXE
                        • Adds Run key to start application
                        • Suspicious use of WriteProcessMemory
                        PID:2968
                        • 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:4024
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c sonia_7.exe
                      4⤵
                        PID:4024
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c sonia_5.exe
                        4⤵
                        • Suspicious use of WriteProcessMemory
                        PID:656
                        • C:\Users\Admin\AppData\Local\Temp\7zS0AB1C294\sonia_5.exe
                          sonia_5.exe
                          5⤵
                          • Executes dropped EXE
                          PID:4076
                          • C:\Users\Admin\Documents\YmsnuB2od_FU5b4oqQ7cnaBX.exe
                            "C:\Users\Admin\Documents\YmsnuB2od_FU5b4oqQ7cnaBX.exe"
                            6⤵
                              PID:4744
                            • C:\Users\Admin\Documents\tytynkx3WiNNGQ7xQQOxcqFl.exe
                              "C:\Users\Admin\Documents\tytynkx3WiNNGQ7xQQOxcqFl.exe"
                              6⤵
                                PID:4712
                              • C:\Users\Admin\Documents\UDRCa0Ta0fLW0PUQhwN1SMb0.exe
                                "C:\Users\Admin\Documents\UDRCa0Ta0fLW0PUQhwN1SMb0.exe"
                                6⤵
                                  PID:4696
                                • C:\Users\Admin\Documents\pyJjD_Sx_1fQdZdc_lA5Kp9h.exe
                                  "C:\Users\Admin\Documents\pyJjD_Sx_1fQdZdc_lA5Kp9h.exe"
                                  6⤵
                                    PID:4688
                                  • C:\Users\Admin\Documents\WIDZayzLoc2bQsY3ZOv6inkS.exe
                                    "C:\Users\Admin\Documents\WIDZayzLoc2bQsY3ZOv6inkS.exe"
                                    6⤵
                                      PID:4824
                                    • C:\Users\Admin\Documents\nfb7DJ2ARQ8bQ6V1uPlFTDO6.exe
                                      "C:\Users\Admin\Documents\nfb7DJ2ARQ8bQ6V1uPlFTDO6.exe"
                                      6⤵
                                        PID:4812
                                      • C:\Users\Admin\Documents\WgiJruzR1WNAcYlFyDqLPRP3.exe
                                        "C:\Users\Admin\Documents\WgiJruzR1WNAcYlFyDqLPRP3.exe"
                                        6⤵
                                          PID:4868
                                        • C:\Users\Admin\Documents\vhg__baSfOyVqPzy6SorToDO.exe
                                          "C:\Users\Admin\Documents\vhg__baSfOyVqPzy6SorToDO.exe"
                                          6⤵
                                            PID:4876
                                          • C:\Users\Admin\Documents\hfpBY8FrKh5656PUnjlQkHIH.exe
                                            "C:\Users\Admin\Documents\hfpBY8FrKh5656PUnjlQkHIH.exe"
                                            6⤵
                                              PID:5004
                                            • C:\Users\Admin\Documents\l_c3msnsE74P6Mf50D2gr0Qt.exe
                                              "C:\Users\Admin\Documents\l_c3msnsE74P6Mf50D2gr0Qt.exe"
                                              6⤵
                                                PID:5012
                                              • C:\Users\Admin\Documents\aR4Ou1mt31iTF7V1AGnoFH4y.exe
                                                "C:\Users\Admin\Documents\aR4Ou1mt31iTF7V1AGnoFH4y.exe"
                                                6⤵
                                                  PID:4120
                                                • C:\Users\Admin\Documents\mtkzrxa9WWkRGlTZqgisvk6b.exe
                                                  "C:\Users\Admin\Documents\mtkzrxa9WWkRGlTZqgisvk6b.exe"
                                                  6⤵
                                                    PID:1732
                                                  • C:\Users\Admin\Documents\7GVS2vztVuN0V3xhWrgsB5sF.exe
                                                    "C:\Users\Admin\Documents\7GVS2vztVuN0V3xhWrgsB5sF.exe"
                                                    6⤵
                                                      PID:4132
                                                    • C:\Users\Admin\Documents\qPqtRo9bG7ZgeaMQqic8_sui.exe
                                                      "C:\Users\Admin\Documents\qPqtRo9bG7ZgeaMQqic8_sui.exe"
                                                      6⤵
                                                        PID:4352
                                                      • C:\Users\Admin\Documents\UIUKZUB_NCpIqrqUtCmUHTb6.exe
                                                        "C:\Users\Admin\Documents\UIUKZUB_NCpIqrqUtCmUHTb6.exe"
                                                        6⤵
                                                          PID:4292
                                                        • C:\Users\Admin\Documents\wPHptmDh5r12WshXKxaHFgsL.exe
                                                          "C:\Users\Admin\Documents\wPHptmDh5r12WshXKxaHFgsL.exe"
                                                          6⤵
                                                            PID:4260
                                                          • C:\Users\Admin\Documents\COrZTeL369pzqA5M8Go7p5EF.exe
                                                            "C:\Users\Admin\Documents\COrZTeL369pzqA5M8Go7p5EF.exe"
                                                            6⤵
                                                              PID:4112
                                                            • C:\Users\Admin\Documents\HUP2Q7IHP7QNaYVjOufADNkv.exe
                                                              "C:\Users\Admin\Documents\HUP2Q7IHP7QNaYVjOufADNkv.exe"
                                                              6⤵
                                                                PID:4088
                                                              • C:\Users\Admin\Documents\xZwVl4b2id8fKgzpxOtg7nDl.exe
                                                                "C:\Users\Admin\Documents\xZwVl4b2id8fKgzpxOtg7nDl.exe"
                                                                6⤵
                                                                  PID:5112
                                                      • \??\c:\windows\system32\svchost.exe
                                                        c:\windows\system32\svchost.exe -k netsvcs -s BITS
                                                        1⤵
                                                        • Suspicious use of SetThreadContext
                                                        • Modifies registry class
                                                        • Suspicious behavior: EnumeratesProcesses
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:1532
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k SystemNetworkService
                                                          2⤵
                                                            PID:1872
                                                        • C:\Windows\system32\rUNdlL32.eXe
                                                          rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
                                                          1⤵
                                                          • Process spawned unexpected child process
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2252
                                                          • C:\Windows\SysWOW64\rundll32.exe
                                                            rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
                                                            2⤵
                                                            • Loads dropped DLL
                                                            • Modifies registry class
                                                            • Suspicious behavior: EnumeratesProcesses
                                                            • Suspicious use of AdjustPrivilegeToken
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:3164

                                                        Network

                                                        MITRE ATT&CK Enterprise v6

                                                        Replay Monitor

                                                        Loading Replay Monitor...

                                                        Downloads

                                                        • memory/184-133-0x0000000064940000-0x0000000064959000-memory.dmp

                                                          Filesize

                                                          100KB

                                                        • memory/184-137-0x0000000064940000-0x0000000064959000-memory.dmp

                                                          Filesize

                                                          100KB

                                                        • memory/184-138-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                                          Filesize

                                                          152KB

                                                        • memory/184-136-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                                          Filesize

                                                          1.5MB

                                                        • memory/184-134-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                                          Filesize

                                                          572KB

                                                        • memory/184-132-0x0000000064940000-0x0000000064959000-memory.dmp

                                                          Filesize

                                                          100KB

                                                        • memory/184-135-0x0000000064940000-0x0000000064959000-memory.dmp

                                                          Filesize

                                                          100KB

                                                        • memory/184-139-0x0000000000400000-0x000000000051D000-memory.dmp

                                                          Filesize

                                                          1.1MB

                                                        • memory/296-221-0x00000285668D0000-0x0000028566941000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/352-202-0x0000022296760000-0x00000222967D1000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/1032-167-0x000000001B9B0000-0x000000001B9B2000-memory.dmp

                                                          Filesize

                                                          8KB

                                                        • memory/1032-165-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1088-220-0x0000012A8B240000-0x0000012A8B2B1000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/1216-235-0x000001CC1B480000-0x000001CC1B4F1000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/1292-222-0x000001DB90AD0000-0x000001DB90B41000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/1448-223-0x0000023482C40000-0x0000023482CB1000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/1532-200-0x000001F99F030000-0x000001F99F0A1000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/1532-197-0x000001F99EF70000-0x000001F99EFBC000-memory.dmp

                                                          Filesize

                                                          304KB

                                                        • memory/1872-203-0x0000016705240000-0x00000167052B1000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/1900-225-0x00000236FF230000-0x00000236FF2A1000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/2536-216-0x00000273A7010000-0x00000273A7081000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/2572-217-0x0000018CA98A0000-0x0000018CA9911000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/2740-256-0x00000000010D0000-0x00000000010E5000-memory.dmp

                                                          Filesize

                                                          84KB

                                                        • memory/2748-195-0x000001D431880000-0x000001D4318F1000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/2800-237-0x00000287E7EA0000-0x00000287E7F11000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/2820-238-0x000001BDD4D40000-0x000001BDD4DB1000-memory.dmp

                                                          Filesize

                                                          452KB

                                                        • memory/3064-186-0x0000000000A30000-0x0000000000A31000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/3164-192-0x0000000004575000-0x0000000004676000-memory.dmp

                                                          Filesize

                                                          1.0MB

                                                        • memory/3164-194-0x00000000046E0000-0x000000000473D000-memory.dmp

                                                          Filesize

                                                          372KB

                                                        • memory/3716-181-0x0000000000BB0000-0x0000000000C4D000-memory.dmp

                                                          Filesize

                                                          628KB

                                                        • memory/3716-182-0x0000000000400000-0x00000000008F2000-memory.dmp

                                                          Filesize

                                                          4.9MB

                                                        • memory/4048-179-0x0000000000400000-0x0000000000896000-memory.dmp

                                                          Filesize

                                                          4.6MB

                                                        • memory/4048-178-0x0000000000030000-0x0000000000039000-memory.dmp

                                                          Filesize

                                                          36KB

                                                        • memory/4672-248-0x0000000000700000-0x00000000007E4000-memory.dmp

                                                          Filesize

                                                          912KB

                                                        • memory/4696-261-0x0000000000780000-0x0000000000781000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/4824-265-0x0000000000D00000-0x0000000000D01000-memory.dmp

                                                          Filesize

                                                          4KB