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24-04-2021 06:39

210424-lmjja25q22 10

23-04-2021 19:10

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23-04-2021 19:10

210423-3qnl3etjca 10

23-04-2021 18:20

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23-04-2021 13:38

210423-1f2d5v8a2s 10

23-04-2021 04:53

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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
    60s
  • max time network
    62s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-04-2021 19:11

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

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Checks for common network interception software 1 TTPs

    Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

  • Downloads MZ/PE file
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 9 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.

  • NSIS installer 2 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Install.exe
    "C:\Users\Admin\AppData\Local\Temp\Install.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:620
    • C:\Users\Admin\AppData\Local\Temp\is-8DR47.tmp\Install.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8DR47.tmp\Install.tmp" /SL5="$60064,235791,152064,C:\Users\Admin\AppData\Local\Temp\Install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:708
      • C:\Users\Admin\AppData\Local\Temp\is-FK5E8.tmp\Ultra.exe
        "C:\Users\Admin\AppData\Local\Temp\is-FK5E8.tmp\Ultra.exe" /S /UID=burnerch1
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4032
        • C:\Program Files\Uninstall Information\ABEORSXCMR\ultramediaburner.exe
          "C:\Program Files\Uninstall Information\ABEORSXCMR\ultramediaburner.exe" /VERYSILENT
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3868
          • C:\Users\Admin\AppData\Local\Temp\is-MV0P6.tmp\ultramediaburner.tmp
            "C:\Users\Admin\AppData\Local\Temp\is-MV0P6.tmp\ultramediaburner.tmp" /SL5="$30116,281924,62464,C:\Program Files\Uninstall Information\ABEORSXCMR\ultramediaburner.exe" /VERYSILENT
            5⤵
            • Executes dropped EXE
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:1500
            • C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe
              "C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe" -silent -desktopShortcut -programMenu
              6⤵
              • Executes dropped EXE
              PID:3676
        • C:\Users\Admin\AppData\Local\Temp\11-e7f72-e60-7eca4-665b35a70fe42\Dejogokawu.exe
          "C:\Users\Admin\AppData\Local\Temp\11-e7f72-e60-7eca4-665b35a70fe42\Dejogokawu.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3152
        • C:\Users\Admin\AppData\Local\Temp\5e-5c8f8-3fc-1258b-10fbffb82ace8\Vusocagari.exe
          "C:\Users\Admin\AppData\Local\Temp\5e-5c8f8-3fc-1258b-10fbffb82ace8\Vusocagari.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3952
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\x0ii2gdu.gi3\instEU.exe & exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4216
            • C:\Users\Admin\AppData\Local\Temp\x0ii2gdu.gi3\instEU.exe
              C:\Users\Admin\AppData\Local\Temp\x0ii2gdu.gi3\instEU.exe
              6⤵
              • Executes dropped EXE
              PID:4420
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\o15skhzm.znz\gpooe.exe & exit
            5⤵
              PID:4464
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\gwn44lwh.xyk\google-game.exe & exit
              5⤵
                PID:4368
                • C:\Users\Admin\AppData\Local\Temp\gwn44lwh.xyk\google-game.exe
                  C:\Users\Admin\AppData\Local\Temp\gwn44lwh.xyk\google-game.exe
                  6⤵
                    PID:3124
                    • C:\Windows\SysWOW64\rundll32.exe
                      "C:\Windows\System32\rundll32.exe" "C:\Program Files\install.dll",install
                      7⤵
                        PID:3748
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\lnzd3uup.n0f\md1_1eaf.exe & exit
                    5⤵
                      PID:4252
                      • C:\Users\Admin\AppData\Local\Temp\lnzd3uup.n0f\md1_1eaf.exe
                        C:\Users\Admin\AppData\Local\Temp\lnzd3uup.n0f\md1_1eaf.exe
                        6⤵
                          PID:2888
                      • C:\Windows\System32\cmd.exe
                        "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\vxalcx1s.kuw\askinstall36.exe & exit
                        5⤵
                          PID:4916
                          • C:\Users\Admin\AppData\Local\Temp\vxalcx1s.kuw\askinstall36.exe
                            C:\Users\Admin\AppData\Local\Temp\vxalcx1s.kuw\askinstall36.exe
                            6⤵
                              PID:4716
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd.exe /c taskkill /f /im chrome.exe
                                7⤵
                                  PID:5520
                                  • C:\Windows\SysWOW64\taskkill.exe
                                    taskkill /f /im chrome.exe
                                    8⤵
                                    • Kills process with taskkill
                                    PID:5640
                            • C:\Windows\System32\cmd.exe
                              "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\m035jwod.fhk\QHBDSJWYZL.exe & exit
                              5⤵
                                PID:6068
                                • C:\Users\Admin\AppData\Local\Temp\m035jwod.fhk\QHBDSJWYZL.exe
                                  C:\Users\Admin\AppData\Local\Temp\m035jwod.fhk\QHBDSJWYZL.exe
                                  6⤵
                                    PID:5436
                                    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\main.exe
                                      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\main.exe"
                                      7⤵
                                        PID:6036
                                  • C:\Windows\System32\cmd.exe
                                    "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\f4fn3qcg.gnj\y1.exe & exit
                                    5⤵
                                      PID:5220
                                      • C:\Users\Admin\AppData\Local\Temp\f4fn3qcg.gnj\y1.exe
                                        C:\Users\Admin\AppData\Local\Temp\f4fn3qcg.gnj\y1.exe
                                        6⤵
                                          PID:5988
                                      • C:\Windows\System32\cmd.exe
                                        "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\ubatzjct.aiw\toolspab1.exe & exit
                                        5⤵
                                          PID:4276
                                          • C:\Users\Admin\AppData\Local\Temp\ubatzjct.aiw\toolspab1.exe
                                            C:\Users\Admin\AppData\Local\Temp\ubatzjct.aiw\toolspab1.exe
                                            6⤵
                                              PID:5460
                                              • C:\Users\Admin\AppData\Local\Temp\ubatzjct.aiw\toolspab1.exe
                                                C:\Users\Admin\AppData\Local\Temp\ubatzjct.aiw\toolspab1.exe
                                                7⤵
                                                  PID:5720
                                            • C:\Windows\System32\cmd.exe
                                              "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\gknwxufo.tya\SunLabsPlayer.exe /S & exit
                                              5⤵
                                                PID:5332
                                                • C:\Users\Admin\AppData\Local\Temp\gknwxufo.tya\SunLabsPlayer.exe
                                                  C:\Users\Admin\AppData\Local\Temp\gknwxufo.tya\SunLabsPlayer.exe /S
                                                  6⤵
                                                    PID:4432
                                                    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                                      powershell -inputformat none -ExecutionPolicy RemoteSigned -File "C:\Users\Admin\AppData\Local\Temp\nsg2EF2.tmp\tempfile.ps1"
                                                      7⤵
                                                        PID:2184
                                                  • C:\Windows\System32\cmd.exe
                                                    "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\nac224ab.v52\GcleanerWW.exe /mixone & exit
                                                    5⤵
                                                      PID:5616
                                                    • C:\Windows\System32\cmd.exe
                                                      "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\r25v21dq.j4k\inst.exe & exit
                                                      5⤵
                                                        PID:5656
                                                        • C:\Users\Admin\AppData\Local\Temp\r25v21dq.j4k\inst.exe
                                                          C:\Users\Admin\AppData\Local\Temp\r25v21dq.j4k\inst.exe
                                                          6⤵
                                                            PID:4752
                                                        • C:\Windows\System32\cmd.exe
                                                          "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\dfdxjjgj.auz\c7ae36fa.exe & exit
                                                          5⤵
                                                            PID:5640
                                                            • C:\Users\Admin\AppData\Local\Temp\dfdxjjgj.auz\c7ae36fa.exe
                                                              C:\Users\Admin\AppData\Local\Temp\dfdxjjgj.auz\c7ae36fa.exe
                                                              6⤵
                                                                PID:5204
                                                            • C:\Windows\System32\cmd.exe
                                                              "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\sujqjara.0k4\app.exe /8-2222 & exit
                                                              5⤵
                                                                PID:5912
                                                      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
                                                        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
                                                        1⤵
                                                        • Drops file in Windows directory
                                                        • Modifies Internet Explorer settings
                                                        • Modifies registry class
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        • Suspicious use of SetWindowsHookEx
                                                        PID:788
                                                      • C:\Windows\system32\browser_broker.exe
                                                        C:\Windows\system32\browser_broker.exe -Embedding
                                                        1⤵
                                                        • Modifies Internet Explorer settings
                                                        PID:992
                                                      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                                                        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                                                        1⤵
                                                        • Modifies registry class
                                                        • Suspicious use of SetWindowsHookEx
                                                        PID:4804
                                                      • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                                                        "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                                                        1⤵
                                                        • Modifies registry class
                                                        PID:4964
                                                      • C:\Windows\system32\svchost.exe
                                                        C:\Windows\system32\svchost.exe -k SystemNetworkService
                                                        1⤵
                                                          PID:4792
                                                        • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                                                          "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                                                          1⤵
                                                            PID:2236
                                                          • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                                                            "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                                                            1⤵
                                                              PID:4888

                                                            Network

                                                            MITRE ATT&CK Enterprise v6

                                                            Replay Monitor

                                                            Loading Replay Monitor...

                                                            Downloads

                                                            • memory/68-214-0x00000178CDD60000-0x00000178CDDD0000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/620-114-0x0000000000400000-0x000000000042B000-memory.dmp

                                                              Filesize

                                                              172KB

                                                            • memory/684-223-0x0000024816010000-0x0000024816080000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/708-119-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                              Filesize

                                                              4KB

                                                            • memory/732-195-0x00000154EC2A0000-0x00000154EC2EB000-memory.dmp

                                                              Filesize

                                                              300KB

                                                            • memory/732-197-0x00000154EC360000-0x00000154EC3D0000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/1072-221-0x00000207F6760000-0x00000207F67D0000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/1204-196-0x000001CC611B0000-0x000001CC61220000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/1280-203-0x000001CC40060000-0x000001CC400D0000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/1388-225-0x000001263AA70000-0x000001263AAE0000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/1500-136-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                              Filesize

                                                              4KB

                                                            • memory/1848-227-0x00000200F0B20000-0x00000200F0B90000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/2184-319-0x0000000004F10000-0x0000000004F11000-memory.dmp

                                                              Filesize

                                                              4KB

                                                            • memory/2516-217-0x00000238D2D40000-0x00000238D2DB0000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/2528-219-0x00000215CCC40000-0x00000215CCCB0000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/2772-204-0x00000292630C0000-0x0000029263130000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/2788-210-0x00000264C0390000-0x00000264C0400000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/2804-215-0x0000028F1D900000-0x0000028F1D970000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/2888-257-0x0000000003580000-0x0000000003590000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/2888-264-0x0000000003720000-0x0000000003730000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/3152-135-0x0000000002650000-0x0000000002652000-memory.dmp

                                                              Filesize

                                                              8KB

                                                            • memory/3676-149-0x0000000002A34000-0x0000000002A35000-memory.dmp

                                                              Filesize

                                                              4KB

                                                            • memory/3676-150-0x0000000002A35000-0x0000000002A37000-memory.dmp

                                                              Filesize

                                                              8KB

                                                            • memory/3676-146-0x0000000002A30000-0x0000000002A32000-memory.dmp

                                                              Filesize

                                                              8KB

                                                            • memory/3676-148-0x0000000002A32000-0x0000000002A34000-memory.dmp

                                                              Filesize

                                                              8KB

                                                            • memory/3748-194-0x0000000000E00000-0x0000000000E5C000-memory.dmp

                                                              Filesize

                                                              368KB

                                                            • memory/3748-192-0x0000000000C3E000-0x0000000000D3F000-memory.dmp

                                                              Filesize

                                                              1.0MB

                                                            • memory/3868-126-0x0000000000400000-0x0000000000416000-memory.dmp

                                                              Filesize

                                                              88KB

                                                            • memory/3952-144-0x0000000000DD0000-0x0000000000DD2000-memory.dmp

                                                              Filesize

                                                              8KB

                                                            • memory/3952-147-0x0000000000DD2000-0x0000000000DD4000-memory.dmp

                                                              Filesize

                                                              8KB

                                                            • memory/3952-151-0x0000000000DD5000-0x0000000000DD6000-memory.dmp

                                                              Filesize

                                                              4KB

                                                            • memory/4032-123-0x0000000000CA0000-0x0000000000CA2000-memory.dmp

                                                              Filesize

                                                              8KB

                                                            • memory/4420-159-0x00000000005A0000-0x00000000005B2000-memory.dmp

                                                              Filesize

                                                              72KB

                                                            • memory/4420-158-0x00000000001F0000-0x0000000000200000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/4752-301-0x00000000001F0000-0x0000000000200000-memory.dmp

                                                              Filesize

                                                              64KB

                                                            • memory/4752-302-0x0000000000670000-0x0000000000682000-memory.dmp

                                                              Filesize

                                                              72KB

                                                            • memory/4792-231-0x00000208D8B00000-0x00000208D8C01000-memory.dmp

                                                              Filesize

                                                              1.0MB

                                                            • memory/4792-208-0x00000208D6500000-0x00000208D6570000-memory.dmp

                                                              Filesize

                                                              448KB

                                                            • memory/5460-313-0x0000000002BB0000-0x0000000002CFA000-memory.dmp

                                                              Filesize

                                                              1.3MB

                                                            • memory/5720-309-0x0000000000400000-0x000000000040C000-memory.dmp

                                                              Filesize

                                                              48KB

                                                            • memory/5988-306-0x0000000002E70000-0x0000000002F01000-memory.dmp

                                                              Filesize

                                                              580KB

                                                            • memory/5988-308-0x0000000000400000-0x0000000002BF4000-memory.dmp

                                                              Filesize

                                                              40.0MB