Resubmissions

24-04-2021 06:39

210424-lmjja25q22 10

23-04-2021 19:10

210423-f6mvfx4yyx 10

23-04-2021 19:10

210423-3qnl3etjca 10

23-04-2021 18:20

210423-4keqsccdba 10

23-04-2021 13:38

210423-1f2d5v8a2s 10

23-04-2021 04:53

210423-eenyvz5kqj 10

23-04-2021 04:53

210423-svr8rrwggs 10

23-04-2021 04:53

210423-95h13plc2x 10

22-04-2021 19:11

210422-6s1zd291s6 10

22-04-2021 19:05

210422-dsvj9bzkvn 10

Analysis

  • max time kernel
    14s
  • max time network
    62s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    23-04-2021 19:10

General

  • Target

    Install.exe

  • Size

    497KB

  • MD5

    41a5f4fd1ea7cac4aa94a87aebccfef0

  • SHA1

    0d0abf079413a4c773754bf4fda338dc5b9a8ddc

  • SHA256

    97e95e99fd499ec45a7c1d8683d5731ce5e7a8fb8b710622e578cd169a00d8d9

  • SHA512

    5ca14bda498f26efff4e1179969b8f2c25244063c7bf25f3ec20b5cd24b5be320bbfb8b3d0b2d66f5c5b415da777a766fece5f251a4247773c6cb991417fb75f

Malware Config

Extracted

Family

raccoon

Botnet

9afb493c6f82d08075dbbfa7d93ce97f1dbf4733

Attributes
  • url4cnc

    https://tttttt.me/antitantief3

rc4.plain
rc4.plain

Extracted

Family

smokeloader

Version

2020

C2

http://999080321newfolder1002002131-service1002.space/

http://999080321newfolder1002002231-service1002.space/

http://999080321newfolder3100231-service1002.space/

http://999080321newfolder1002002431-service1002.space/

http://999080321newfolder1002002531-service1002.space/

http://999080321newfolder33417-012425999080321.space/

http://999080321test125831-service10020125999080321.space/

http://999080321test136831-service10020125999080321.space/

http://999080321test147831-service10020125999080321.space/

http://999080321test146831-service10020125999080321.space/

http://999080321test134831-service10020125999080321.space/

http://999080321est213531-service1002012425999080321.ru/

http://999080321yes1t3481-service10020125999080321.ru/

http://999080321test13561-service10020125999080321.su/

http://999080321test14781-service10020125999080321.info/

http://999080321test13461-service10020125999080321.net/

http://999080321test15671-service10020125999080321.tech/

http://999080321test12671-service10020125999080321.online/

http://999080321utest1341-service10020125999080321.ru/

http://999080321uest71-service100201dom25999080321.ru/

rc4.i32
rc4.i32

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Install.exe
    "C:\Users\Admin\AppData\Local\Temp\Install.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Users\Admin\AppData\Local\Temp\is-5FPD8.tmp\Install.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-5FPD8.tmp\Install.tmp" /SL5="$20112,235791,152064,C:\Users\Admin\AppData\Local\Temp\Install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Users\Admin\AppData\Local\Temp\is-OJRA6.tmp\Ultra.exe
        "C:\Users\Admin\AppData\Local\Temp\is-OJRA6.tmp\Ultra.exe" /S /UID=burnerch1
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2684
        • C:\Program Files\Uninstall Information\MGMSRPRIOC\ultramediaburner.exe
          "C:\Program Files\Uninstall Information\MGMSRPRIOC\ultramediaburner.exe" /VERYSILENT
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3524
          • C:\Users\Admin\AppData\Local\Temp\is-UMPD3.tmp\ultramediaburner.tmp
            "C:\Users\Admin\AppData\Local\Temp\is-UMPD3.tmp\ultramediaburner.tmp" /SL5="$6005C,281924,62464,C:\Program Files\Uninstall Information\MGMSRPRIOC\ultramediaburner.exe" /VERYSILENT
            5⤵
            • Executes dropped EXE
            PID:1492
            • C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe
              "C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe" -silent -desktopShortcut -programMenu
              6⤵
                PID:4032
          • C:\Users\Admin\AppData\Local\Temp\5d-c19c1-375-c6294-4b229125a31c5\SHabaegugewe.exe
            "C:\Users\Admin\AppData\Local\Temp\5d-c19c1-375-c6294-4b229125a31c5\SHabaegugewe.exe"
            4⤵
            • Executes dropped EXE
            PID:4072
          • C:\Users\Admin\AppData\Local\Temp\d4-54177-0dc-fed80-7dcc6f64fe33b\Lumipaelewe.exe
            "C:\Users\Admin\AppData\Local\Temp\d4-54177-0dc-fed80-7dcc6f64fe33b\Lumipaelewe.exe"
            4⤵
              PID:2120
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\rcyrtejz.3ur\instEU.exe & exit
                5⤵
                  PID:4248
                  • C:\Users\Admin\AppData\Local\Temp\rcyrtejz.3ur\instEU.exe
                    C:\Users\Admin\AppData\Local\Temp\rcyrtejz.3ur\instEU.exe
                    6⤵
                      PID:4452
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\nz0xbbmi.voi\md1_1eaf.exe & exit
                    5⤵
                      PID:5040
                      • C:\Users\Admin\AppData\Local\Temp\nz0xbbmi.voi\md1_1eaf.exe
                        C:\Users\Admin\AppData\Local\Temp\nz0xbbmi.voi\md1_1eaf.exe
                        6⤵
                          PID:3808
                      • C:\Windows\System32\cmd.exe
                        "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\vakabux2.vp2\google-game.exe & exit
                        5⤵
                          PID:1192
                          • C:\Users\Admin\AppData\Local\Temp\vakabux2.vp2\google-game.exe
                            C:\Users\Admin\AppData\Local\Temp\vakabux2.vp2\google-game.exe
                            6⤵
                              PID:4348
                              • C:\Windows\SysWOW64\rundll32.exe
                                "C:\Windows\System32\rundll32.exe" "C:\Program Files\install.dll",install
                                7⤵
                                  PID:2264
                            • C:\Windows\System32\cmd.exe
                              "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\ymmghw3f.ewj\y1.exe & exit
                              5⤵
                                PID:4844
                                • C:\Users\Admin\AppData\Local\Temp\ymmghw3f.ewj\y1.exe
                                  C:\Users\Admin\AppData\Local\Temp\ymmghw3f.ewj\y1.exe
                                  6⤵
                                    PID:4376
                                    • C:\Users\Admin\AppData\Local\Temp\YJlspdO0zS.exe
                                      "C:\Users\Admin\AppData\Local\Temp\YJlspdO0zS.exe"
                                      7⤵
                                        PID:5788
                                      • C:\Windows\SysWOW64\cmd.exe
                                        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\ymmghw3f.ewj\y1.exe"
                                        7⤵
                                          PID:5864
                                          • C:\Windows\SysWOW64\timeout.exe
                                            timeout /T 10 /NOBREAK
                                            8⤵
                                            • Delays execution with timeout.exe
                                            PID:5928
                                    • C:\Windows\System32\cmd.exe
                                      "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\kcmilnn3.sc2\inst.exe & exit
                                      5⤵
                                        PID:4584
                                        • C:\Users\Admin\AppData\Local\Temp\kcmilnn3.sc2\inst.exe
                                          C:\Users\Admin\AppData\Local\Temp\kcmilnn3.sc2\inst.exe
                                          6⤵
                                            PID:1660
                                        • C:\Windows\System32\cmd.exe
                                          "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\npaqrpef.2se\SunLabsPlayer.exe /S & exit
                                          5⤵
                                            PID:2220
                                            • C:\Users\Admin\AppData\Local\Temp\npaqrpef.2se\SunLabsPlayer.exe
                                              C:\Users\Admin\AppData\Local\Temp\npaqrpef.2se\SunLabsPlayer.exe /S
                                              6⤵
                                                PID:1660
                                                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                                  powershell -inputformat none -ExecutionPolicy RemoteSigned -File "C:\Users\Admin\AppData\Local\Temp\nsjAA9F.tmp\tempfile.ps1"
                                                  7⤵
                                                    PID:3636
                                              • C:\Windows\System32\cmd.exe
                                                "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\dqkcgvxa.hyw\GcleanerWW.exe /mixone & exit
                                                5⤵
                                                  PID:4236
                                                • C:\Windows\System32\cmd.exe
                                                  "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\y5ec1yi4.4p3\toolspab1.exe & exit
                                                  5⤵
                                                    PID:4160
                                                    • C:\Users\Admin\AppData\Local\Temp\y5ec1yi4.4p3\toolspab1.exe
                                                      C:\Users\Admin\AppData\Local\Temp\y5ec1yi4.4p3\toolspab1.exe
                                                      6⤵
                                                        PID:500
                                                        • C:\Users\Admin\AppData\Local\Temp\y5ec1yi4.4p3\toolspab1.exe
                                                          C:\Users\Admin\AppData\Local\Temp\y5ec1yi4.4p3\toolspab1.exe
                                                          7⤵
                                                            PID:4616
                                                      • C:\Windows\System32\cmd.exe
                                                        "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\opl0vcoy.mrw\c7ae36fa.exe & exit
                                                        5⤵
                                                          PID:4360
                                                          • C:\Users\Admin\AppData\Local\Temp\opl0vcoy.mrw\c7ae36fa.exe
                                                            C:\Users\Admin\AppData\Local\Temp\opl0vcoy.mrw\c7ae36fa.exe
                                                            6⤵
                                                              PID:2976
                                                          • C:\Windows\System32\cmd.exe
                                                            "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\sjhbl0yn.54w\app.exe /8-2222 & exit
                                                            5⤵
                                                              PID:4472
                                                              • C:\Users\Admin\AppData\Local\Temp\sjhbl0yn.54w\app.exe
                                                                C:\Users\Admin\AppData\Local\Temp\sjhbl0yn.54w\app.exe /8-2222
                                                                6⤵
                                                                  PID:4712
                                                      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
                                                        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
                                                        1⤵
                                                          PID:1760
                                                        • C:\Windows\system32\browser_broker.exe
                                                          C:\Windows\system32\browser_broker.exe -Embedding
                                                          1⤵
                                                            PID:4292
                                                          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                                                            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                                                            1⤵
                                                              PID:4196
                                                            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                                                              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                                                              1⤵
                                                                PID:4544
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k SystemNetworkService
                                                                1⤵
                                                                  PID:4452

                                                                Network

                                                                MITRE ATT&CK Enterprise v6

                                                                Replay Monitor

                                                                Loading Replay Monitor...

                                                                Downloads

                                                                • memory/348-221-0x00000227A5F90000-0x00000227A6000000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/500-259-0x0000000000030000-0x000000000003C000-memory.dmp

                                                                  Filesize

                                                                  48KB

                                                                • memory/772-114-0x0000000000400000-0x000000000042B000-memory.dmp

                                                                  Filesize

                                                                  172KB

                                                                • memory/1020-201-0x000002B851100000-0x000002B851170000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/1108-195-0x000001DAA5910000-0x000001DAA5980000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/1228-216-0x00000201DA510000-0x00000201DA580000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/1272-220-0x0000018A9E0C0000-0x0000018A9E130000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/1388-206-0x000001F84EB20000-0x000001F84EB90000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/1492-131-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/1660-242-0x0000000000480000-0x000000000052E000-memory.dmp

                                                                  Filesize

                                                                  696KB

                                                                • memory/1660-241-0x00000000001F0000-0x0000000000200000-memory.dmp

                                                                  Filesize

                                                                  64KB

                                                                • memory/1772-118-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/1864-211-0x0000029DB56B0000-0x0000029DB5720000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/2120-147-0x0000000001232000-0x0000000001234000-memory.dmp

                                                                  Filesize

                                                                  8KB

                                                                • memory/2120-145-0x0000000001230000-0x0000000001232000-memory.dmp

                                                                  Filesize

                                                                  8KB

                                                                • memory/2120-150-0x0000000001235000-0x0000000001236000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/2264-172-0x0000000000B3F000-0x0000000000C40000-memory.dmp

                                                                  Filesize

                                                                  1.0MB

                                                                • memory/2264-173-0x0000000000E00000-0x0000000000E5C000-memory.dmp

                                                                  Filesize

                                                                  368KB

                                                                • memory/2380-189-0x0000018472F60000-0x0000018472FD0000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/2408-226-0x0000017F63070000-0x0000017F630E0000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/2580-205-0x000001B713E00000-0x000001B713E70000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/2684-123-0x0000000003270000-0x0000000003272000-memory.dmp

                                                                  Filesize

                                                                  8KB

                                                                • memory/2688-233-0x0000018AA5A00000-0x0000018AA5A70000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/2696-227-0x000001371A060000-0x000001371A0D0000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/2832-285-0x0000000003150000-0x0000000003165000-memory.dmp

                                                                  Filesize

                                                                  84KB

                                                                • memory/2832-280-0x0000000003100000-0x0000000003117000-memory.dmp

                                                                  Filesize

                                                                  92KB

                                                                • memory/2976-271-0x0000000000030000-0x0000000000039000-memory.dmp

                                                                  Filesize

                                                                  36KB

                                                                • memory/2976-272-0x0000000000400000-0x0000000003DA9000-memory.dmp

                                                                  Filesize

                                                                  57.7MB

                                                                • memory/3524-126-0x0000000000400000-0x0000000000416000-memory.dmp

                                                                  Filesize

                                                                  88KB

                                                                • memory/3636-281-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/3636-293-0x0000000007C20000-0x0000000007C21000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/3636-284-0x0000000000D22000-0x0000000000D23000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/3636-289-0x0000000007430000-0x0000000007431000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/3636-290-0x00000000074D0000-0x00000000074D1000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/3636-291-0x0000000006CB0000-0x0000000006CB1000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/3636-283-0x0000000000D20000-0x0000000000D21000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/3636-292-0x0000000007E30000-0x0000000007E31000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/3636-282-0x0000000006D00000-0x0000000006D01000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/3636-287-0x0000000006B70000-0x0000000006B71000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/3636-317-0x0000000008C00000-0x0000000008C01000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/3636-288-0x0000000006C10000-0x0000000006C11000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/3808-311-0x0000000003850000-0x0000000003860000-memory.dmp

                                                                  Filesize

                                                                  64KB

                                                                • memory/3808-305-0x00000000036B0000-0x00000000036C0000-memory.dmp

                                                                  Filesize

                                                                  64KB

                                                                • memory/3884-188-0x0000020709680000-0x00000207096CB000-memory.dmp

                                                                  Filesize

                                                                  300KB

                                                                • memory/3884-194-0x0000020709740000-0x00000207097B0000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/4032-149-0x0000000001024000-0x0000000001025000-memory.dmp

                                                                  Filesize

                                                                  4KB

                                                                • memory/4032-151-0x0000000001025000-0x0000000001027000-memory.dmp

                                                                  Filesize

                                                                  8KB

                                                                • memory/4032-148-0x0000000001022000-0x0000000001024000-memory.dmp

                                                                  Filesize

                                                                  8KB

                                                                • memory/4032-146-0x0000000001020000-0x0000000001022000-memory.dmp

                                                                  Filesize

                                                                  8KB

                                                                • memory/4072-136-0x0000000001770000-0x0000000001772000-memory.dmp

                                                                  Filesize

                                                                  8KB

                                                                • memory/4376-254-0x0000000004890000-0x0000000004921000-memory.dmp

                                                                  Filesize

                                                                  580KB

                                                                • memory/4376-255-0x0000000000400000-0x0000000002BF4000-memory.dmp

                                                                  Filesize

                                                                  40.0MB

                                                                • memory/4452-267-0x0000026264F00000-0x0000026264FFF000-memory.dmp

                                                                  Filesize

                                                                  1020KB

                                                                • memory/4452-158-0x00000000021A0000-0x00000000021B2000-memory.dmp

                                                                  Filesize

                                                                  72KB

                                                                • memory/4452-157-0x0000000000500000-0x0000000000510000-memory.dmp

                                                                  Filesize

                                                                  64KB

                                                                • memory/4452-215-0x00000262626C0000-0x0000026262730000-memory.dmp

                                                                  Filesize

                                                                  448KB

                                                                • memory/4616-256-0x0000000000400000-0x000000000040C000-memory.dmp

                                                                  Filesize

                                                                  48KB

                                                                • memory/4712-277-0x0000000000400000-0x00000000041D7000-memory.dmp

                                                                  Filesize

                                                                  61.8MB

                                                                • memory/4712-276-0x0000000004C90000-0x000000000559B000-memory.dmp

                                                                  Filesize

                                                                  9.0MB