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Analysis

  • max time kernel
    197s
  • max time network
    616s
  • platform
    windows7_x64
  • resource
    win7-jp
  • submitted
    02/09/2021, 05:46

General

  • Target

    Setup.exe

  • Size

    631KB

  • MD5

    cb927513ff8ebff4dd52a47f7e42f934

  • SHA1

    0de47c02a8adc4940a6c18621b4e4a619641d029

  • SHA256

    fd5c970806fba1500cbb6af5328329aeb43b8de3f02d90ec5d8cd1d57711622f

  • SHA512

    988c8fd886a9155b7d190faf2ce6b34d910efcffcf1c6251f18a9d0c804a0ea26a89679273033ac98b200363c536426efd1ae9de445c34e660369abb06f0071c

Malware Config

Extracted

Family

redline

C2

193.56.146.60:16367

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.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

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

  • RedLine Payload 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 22 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 32 IoCs
  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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 7 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • Kills process with taskkill 5 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\Documents\twpGV5l7AeEoxYVzHcgkAz3I.exe
      "C:\Users\Admin\Documents\twpGV5l7AeEoxYVzHcgkAz3I.exe"
      2⤵
      • Executes dropped EXE
      PID:1104
    • C:\Users\Admin\Documents\8c_lxHTPRVOn3newvAwpmLCm.exe
      "C:\Users\Admin\Documents\8c_lxHTPRVOn3newvAwpmLCm.exe"
      2⤵
      • Executes dropped EXE
      PID:1172
    • C:\Users\Admin\Documents\r9LUux7eI4Btzvt5cKE8icJS.exe
      "C:\Users\Admin\Documents\r9LUux7eI4Btzvt5cKE8icJS.exe"
      2⤵
      • Executes dropped EXE
      PID:1676
    • C:\Users\Admin\Documents\NSjiVNdIFmtuukfDSenGdz9K.exe
      "C:\Users\Admin\Documents\NSjiVNdIFmtuukfDSenGdz9K.exe"
      2⤵
      • Executes dropped EXE
      PID:1684
    • C:\Users\Admin\Documents\nwSkdO9RUcFryWKX6cAlajm6.exe
      "C:\Users\Admin\Documents\nwSkdO9RUcFryWKX6cAlajm6.exe"
      2⤵
      • Executes dropped EXE
      PID:1356
    • C:\Users\Admin\Documents\4Q0dbFa3NFMNsF3Yl5HJcQyd.exe
      "C:\Users\Admin\Documents\4Q0dbFa3NFMNsF3Yl5HJcQyd.exe"
      2⤵
        PID:1768
      • C:\Users\Admin\Documents\kWrJO_fer5v8QUWNvdiwLuis.exe
        "C:\Users\Admin\Documents\kWrJO_fer5v8QUWNvdiwLuis.exe"
        2⤵
        • Executes dropped EXE
        PID:1360
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /im "kWrJO_fer5v8QUWNvdiwLuis.exe" /f & erase "C:\Users\Admin\Documents\kWrJO_fer5v8QUWNvdiwLuis.exe" & exit
          3⤵
            PID:1368
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /im "kWrJO_fer5v8QUWNvdiwLuis.exe" /f
              4⤵
              • Kills process with taskkill
              PID:2504
        • C:\Users\Admin\Documents\bi1JkZBqV93aPNwtaL4XGU1m.exe
          "C:\Users\Admin\Documents\bi1JkZBqV93aPNwtaL4XGU1m.exe"
          2⤵
          • Executes dropped EXE
          PID:1144
        • C:\Users\Admin\Documents\hPuaj6lo2FvcEHGsoE3U9wM4.exe
          "C:\Users\Admin\Documents\hPuaj6lo2FvcEHGsoE3U9wM4.exe"
          2⤵
          • Executes dropped EXE
          PID:1324
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe"
            3⤵
              PID:2984
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe"
                4⤵
                  PID:2128
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2128.0.1946924447\1001551879" -parentBuildID 20200403170909 -prefsHandle 1148 -prefMapHandle 1140 -prefsLen 1 -prefMapSize 218671 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2128 "\\.\pipe\gecko-crash-server-pipe.2128" 1212 gpu
                    5⤵
                      PID:2792
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe"
                  3⤵
                    PID:3032
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=93.0.4577.63 --initial-client-data=0xbc,0xc0,0xc4,0x90,0xc8,0x7fee826a380,0x7fee826a390,0x7fee826a3a0
                      4⤵
                        PID:2500
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /C taskkill /F /PID 1324 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\Documents\hPuaj6lo2FvcEHGsoE3U9wM4.exe"
                      3⤵
                        PID:2964
                        • C:\Windows\SysWOW64\taskkill.exe
                          taskkill /F /PID 1324
                          4⤵
                          • Kills process with taskkill
                          PID:2456
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /C taskkill /F /PID 1324 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\Documents\hPuaj6lo2FvcEHGsoE3U9wM4.exe"
                        3⤵
                          PID:2272
                          • C:\Windows\SysWOW64\taskkill.exe
                            taskkill /F /PID 1324
                            4⤵
                            • Kills process with taskkill
                            PID:1912
                      • C:\Users\Admin\Documents\iT3BCkGR6xecZ4hPoCQXdJbL.exe
                        "C:\Users\Admin\Documents\iT3BCkGR6xecZ4hPoCQXdJbL.exe"
                        2⤵
                        • Executes dropped EXE
                        PID:1804
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\9953380471.exe"
                          3⤵
                            PID:2868
                            • C:\Users\Admin\AppData\Local\Temp\9953380471.exe
                              "C:\Users\Admin\AppData\Local\Temp\9953380471.exe"
                              4⤵
                                PID:2188
                            • C:\Windows\SysWOW64\cmd.exe
                              "C:\Windows\System32\cmd.exe" /c taskkill /im "iT3BCkGR6xecZ4hPoCQXdJbL.exe" /f & erase "C:\Users\Admin\Documents\iT3BCkGR6xecZ4hPoCQXdJbL.exe" & exit
                              3⤵
                                PID:2664
                                • C:\Windows\SysWOW64\taskkill.exe
                                  taskkill /im "iT3BCkGR6xecZ4hPoCQXdJbL.exe" /f
                                  4⤵
                                  • Kills process with taskkill
                                  PID:2444
                            • C:\Users\Admin\Documents\QOE12Fgh7JKe9ieLhKDSa8Ne.exe
                              "C:\Users\Admin\Documents\QOE12Fgh7JKe9ieLhKDSa8Ne.exe"
                              2⤵
                              • Executes dropped EXE
                              PID:1484
                              • C:\Windows\SysWOW64\cmd.exe
                                "C:\Windows\System32\cmd.exe" /c taskkill /im "QOE12Fgh7JKe9ieLhKDSa8Ne.exe" /f & erase "C:\Users\Admin\Documents\QOE12Fgh7JKe9ieLhKDSa8Ne.exe" & exit
                                3⤵
                                  PID:2132
                              • C:\Users\Admin\Documents\d88FCYt8jsbT5USFmEcqgfJL.exe
                                "C:\Users\Admin\Documents\d88FCYt8jsbT5USFmEcqgfJL.exe"
                                2⤵
                                • Executes dropped EXE
                                PID:532
                              • C:\Users\Admin\Documents\YJNYjt4VSQScqdDgLPC1Riip.exe
                                "C:\Users\Admin\Documents\YJNYjt4VSQScqdDgLPC1Riip.exe"
                                2⤵
                                • Executes dropped EXE
                                PID:676
                                • C:\Windows\SysWOW64\mshta.exe
                                  "C:\Windows\System32\mshta.exe" VBScRipT: CLOSe ( CreATEoBjECT ( "wscrIpt.SheLL" ). RUn ( "C:\Windows\system32\cmd.exe /c TYpE ""C:\Users\Admin\Documents\YJNYjt4VSQScqdDgLPC1Riip.exe"" > KRkNvH~YgUUt9O.exE && STarT KRKNvH~yGuUT9O.eXE -pA1IQsAATOS0kxrmeOcrgfdjncUG & iF """" == """" for %N In ( ""C:\Users\Admin\Documents\YJNYjt4VSQScqdDgLPC1Riip.exe"" ) do taskkill -F /Im ""%~nXN"" " , 0, True ) )
                                  3⤵
                                    PID:3056
                                    • C:\Windows\SysWOW64\cmd.exe
                                      "C:\Windows\system32\cmd.exe" /c TYpE "C:\Users\Admin\Documents\YJNYjt4VSQScqdDgLPC1Riip.exe" > KRkNvH~YgUUt9O.exE && STarT KRKNvH~yGuUT9O.eXE -pA1IQsAATOS0kxrmeOcrgfdjncUG & iF "" == "" for %N In ( "C:\Users\Admin\Documents\YJNYjt4VSQScqdDgLPC1Riip.exe" ) do taskkill -F /Im "%~nXN"
                                      4⤵
                                        PID:1708
                                        • C:\Users\Admin\AppData\Local\Temp\KRkNvH~YgUUt9O.exE
                                          KRKNvH~yGuUT9O.eXE -pA1IQsAATOS0kxrmeOcrgfdjncUG
                                          5⤵
                                            PID:2892
                                            • C:\Windows\SysWOW64\mshta.exe
                                              "C:\Windows\System32\mshta.exe" VBScRipT: CLOSe ( CreATEoBjECT ( "wscrIpt.SheLL" ). RUn ( "C:\Windows\system32\cmd.exe /c TYpE ""C:\Users\Admin\AppData\Local\Temp\KRkNvH~YgUUt9O.exE"" > KRkNvH~YgUUt9O.exE && STarT KRKNvH~yGuUT9O.eXE -pA1IQsAATOS0kxrmeOcrgfdjncUG & iF ""-pA1IQsAATOS0kxrmeOcrgfdjncUG "" == """" for %N In ( ""C:\Users\Admin\AppData\Local\Temp\KRkNvH~YgUUt9O.exE"" ) do taskkill -F /Im ""%~nXN"" " , 0, True ) )
                                              6⤵
                                                PID:2936
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  "C:\Windows\system32\cmd.exe" /c TYpE "C:\Users\Admin\AppData\Local\Temp\KRkNvH~YgUUt9O.exE" > KRkNvH~YgUUt9O.exE && STarT KRKNvH~yGuUT9O.eXE -pA1IQsAATOS0kxrmeOcrgfdjncUG & iF "-pA1IQsAATOS0kxrmeOcrgfdjncUG " == "" for %N In ( "C:\Users\Admin\AppData\Local\Temp\KRkNvH~YgUUt9O.exE" ) do taskkill -F /Im "%~nXN"
                                                  7⤵
                                                    PID:1632
                                              • C:\Windows\SysWOW64\taskkill.exe
                                                taskkill -F /Im "YJNYjt4VSQScqdDgLPC1Riip.exe"
                                                5⤵
                                                • Kills process with taskkill
                                                PID:552
                                        • C:\Users\Admin\Documents\6N7ugqzPJ_JnQE0jdRXd0_io.exe
                                          "C:\Users\Admin\Documents\6N7ugqzPJ_JnQE0jdRXd0_io.exe"
                                          2⤵
                                          • Executes dropped EXE
                                          PID:384
                                          • C:\Users\Admin\Documents\6N7ugqzPJ_JnQE0jdRXd0_io.exe
                                            "C:\Users\Admin\Documents\6N7ugqzPJ_JnQE0jdRXd0_io.exe" -u
                                            3⤵
                                            • Executes dropped EXE
                                            PID:1280
                                        • C:\Users\Admin\Documents\o6TGr_8lWfLLrETUnumB0qvs.exe
                                          "C:\Users\Admin\Documents\o6TGr_8lWfLLrETUnumB0qvs.exe"
                                          2⤵
                                          • Executes dropped EXE
                                          PID:344
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -u -p 344 -s 880
                                            3⤵
                                            • Program crash
                                            PID:2848
                                        • C:\Users\Admin\Documents\P0n8J9Y4aMTBOfal0uEGJ7D2.exe
                                          "C:\Users\Admin\Documents\P0n8J9Y4aMTBOfal0uEGJ7D2.exe"
                                          2⤵
                                          • Executes dropped EXE
                                          PID:1552
                                          • C:\Users\Admin\AppData\Roaming\7906583.exe
                                            "C:\Users\Admin\AppData\Roaming\7906583.exe"
                                            3⤵
                                              PID:2436
                                              • C:\Windows\system32\WerFault.exe
                                                C:\Windows\system32\WerFault.exe -u -p 2436 -s 1732
                                                4⤵
                                                • Program crash
                                                PID:796
                                            • C:\Users\Admin\AppData\Roaming\5820732.exe
                                              "C:\Users\Admin\AppData\Roaming\5820732.exe"
                                              3⤵
                                                PID:1996
                                              • C:\Users\Admin\AppData\Roaming\3987212.exe
                                                "C:\Users\Admin\AppData\Roaming\3987212.exe"
                                                3⤵
                                                  PID:2996
                                                • C:\Users\Admin\AppData\Roaming\8618814.exe
                                                  "C:\Users\Admin\AppData\Roaming\8618814.exe"
                                                  3⤵
                                                    PID:2116
                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                      C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 1692
                                                      4⤵
                                                      • Program crash
                                                      PID:748
                                                • C:\Users\Admin\Documents\ZQhpdOkfAqba84FZOEerpM3U.exe
                                                  "C:\Users\Admin\Documents\ZQhpdOkfAqba84FZOEerpM3U.exe"
                                                  2⤵
                                                  • Executes dropped EXE
                                                  PID:828
                                                • C:\Users\Admin\Documents\3MxL3OcnRJGs8_kRFeyVFrnH.exe
                                                  "C:\Users\Admin\Documents\3MxL3OcnRJGs8_kRFeyVFrnH.exe"
                                                  2⤵
                                                  • Executes dropped EXE
                                                  • Loads dropped DLL
                                                  PID:1848
                                                  • C:\Users\Admin\AppData\Local\Temp\is-I70L4.tmp\3MxL3OcnRJGs8_kRFeyVFrnH.tmp
                                                    "C:\Users\Admin\AppData\Local\Temp\is-I70L4.tmp\3MxL3OcnRJGs8_kRFeyVFrnH.tmp" /SL5="$101CE,138429,56832,C:\Users\Admin\Documents\3MxL3OcnRJGs8_kRFeyVFrnH.exe"
                                                    3⤵
                                                      PID:524
                                                  • C:\Users\Admin\Documents\TKylJ_OPbbo8EP6gZDHLeLoi.exe
                                                    "C:\Users\Admin\Documents\TKylJ_OPbbo8EP6gZDHLeLoi.exe"
                                                    2⤵
                                                    • Executes dropped EXE
                                                    • Loads dropped DLL
                                                    • Drops file in Program Files directory
                                                    PID:1320
                                                    • C:\Program Files (x86)\Company\NewProduct\inst001.exe
                                                      "C:\Program Files (x86)\Company\NewProduct\inst001.exe"
                                                      3⤵
                                                      • Executes dropped EXE
                                                      PID:2012
                                                    • C:\Program Files (x86)\Company\NewProduct\cutm3.exe
                                                      "C:\Program Files (x86)\Company\NewProduct\cutm3.exe"
                                                      3⤵
                                                      • Executes dropped EXE
                                                      PID:1364
                                                    • C:\Program Files (x86)\Company\NewProduct\md8_8eus.exe
                                                      "C:\Program Files (x86)\Company\NewProduct\md8_8eus.exe"
                                                      3⤵
                                                      • Executes dropped EXE
                                                      PID:2020
                                                • C:\Windows\system32\rundll32.exe
                                                  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\sqlite.dll",global
                                                  1⤵
                                                  • Process spawned unexpected child process
                                                  PID:2104
                                                  • C:\Windows\SysWOW64\rundll32.exe
                                                    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\sqlite.dll",global
                                                    2⤵
                                                      PID:2200

                                                  Network

                                                  MITRE ATT&CK Enterprise v6

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • memory/796-226-0x000007FEFB5B1000-0x000007FEFB5B3000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/828-139-0x00000000012F0000-0x00000000012F1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/1104-166-0x0000000003E00000-0x0000000003E1C000-memory.dmp

                                                    Filesize

                                                    112KB

                                                  • memory/1104-148-0x00000000025D0000-0x00000000025ED000-memory.dmp

                                                    Filesize

                                                    116KB

                                                  • memory/1144-135-0x0000000000220000-0x00000000002AF000-memory.dmp

                                                    Filesize

                                                    572KB

                                                  • memory/1324-162-0x0000000004A20000-0x0000000004AEF000-memory.dmp

                                                    Filesize

                                                    828KB

                                                  • memory/1324-165-0x0000000004950000-0x0000000004A1D000-memory.dmp

                                                    Filesize

                                                    820KB

                                                  • memory/1324-171-0x0000000002030000-0x000000000203B000-memory.dmp

                                                    Filesize

                                                    44KB

                                                  • memory/1484-124-0x00000000003A0000-0x00000000003CF000-memory.dmp

                                                    Filesize

                                                    188KB

                                                  • memory/1552-155-0x00000000002E0000-0x00000000002E1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/1552-169-0x00000000002C0000-0x00000000002D8000-memory.dmp

                                                    Filesize

                                                    96KB

                                                  • memory/1684-147-0x0000000000860000-0x0000000000861000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/1848-130-0x0000000000400000-0x0000000000414000-memory.dmp

                                                    Filesize

                                                    80KB

                                                  • memory/1996-193-0x0000000000800000-0x0000000000801000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/1996-195-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/1996-196-0x0000000000210000-0x000000000021C000-memory.dmp

                                                    Filesize

                                                    48KB

                                                  • memory/1996-199-0x0000000000260000-0x0000000000261000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2024-53-0x0000000074CA1000-0x0000000074CA3000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2024-54-0x0000000003F40000-0x000000000407F000-memory.dmp

                                                    Filesize

                                                    1.2MB

                                                  • memory/2116-192-0x0000000000210000-0x0000000000211000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2116-189-0x0000000000A90000-0x0000000000A91000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2436-188-0x00000000003F0000-0x00000000003F1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2436-185-0x0000000000150000-0x0000000000182000-memory.dmp

                                                    Filesize

                                                    200KB

                                                  • memory/2436-184-0x0000000000140000-0x0000000000141000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2436-180-0x00000000012C0000-0x00000000012C1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2996-203-0x00000000003D0000-0x00000000003D1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2996-201-0x0000000000210000-0x000000000024D000-memory.dmp

                                                    Filesize

                                                    244KB

                                                  • memory/2996-200-0x0000000000200000-0x0000000000201000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2996-197-0x0000000000E50000-0x0000000000E51000-memory.dmp

                                                    Filesize

                                                    4KB