Analysis

  • max time kernel
    6s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 17:24

General

  • Target

    dttcodexgigas.exe

  • Size

    2.0MB

  • MD5

    04e57da9372caec5e277f759753ea66c

  • SHA1

    932658c289d0c10f379e04160197f2fc5fee5446

  • SHA256

    b87ffca17b3f541f50d38ebb76a1a72085db0f8c0310ec32f4d5c6293dc0e3a7

  • SHA512

    d1084ae9bb7a04aedde601abf485ddc98147c8c3334d6cc13433cc08a749dd965b7eb9c0c845ff04410814e846dc5dda05507f8af04b998b22662509d367d400

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYk:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y+

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 2 IoCs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

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

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

  • Program crash 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 7 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.exe
    "C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.exe"
    1⤵
    • Quasar RAT
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4640
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3188
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 548
          3⤵
          • Program crash
          PID:2328
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2632
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:5008
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1416
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
            4⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1788
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\rmx4KWUGet7H.bat" "
            4⤵
              PID:4868
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4008
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4576
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:836
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 1108
                  4⤵
                  • Program crash
                  PID:3224
            • C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.exe
              "C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2816
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
              2⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:5004
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4640 -ip 4640
            1⤵
              PID:1460
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1416 -ip 1416
              1⤵
                PID:1540
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:4260
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:5116
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:4772
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 520
                          3⤵
                          • Program crash
                          PID:3476
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:2292
                          • C:\Windows\SysWOW64\schtasks.exe
                            "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
                            3⤵
                            • Scheduled Task/Job: Scheduled Task
                            PID:2468
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            3⤵
                              PID:436
                              • C:\Windows\SysWOW64\schtasks.exe
                                "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
                                4⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:808
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UwI3DdNHErP2.bat" "
                                4⤵
                                  PID:4992
                                  • C:\Windows\SysWOW64\chcp.com
                                    chcp 65001
                                    5⤵
                                      PID:3376
                                    • C:\Windows\SysWOW64\PING.EXE
                                      ping -n 10 localhost
                                      5⤵
                                      • System Network Configuration Discovery: Internet Connection Discovery
                                      • Runs ping.exe
                                      PID:648
                                    • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                      "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                      5⤵
                                        PID:5092
                                        • C:\Windows\SysWOW64\schtasks.exe
                                          "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
                                          6⤵
                                          • Scheduled Task/Job: Scheduled Task
                                          PID:1540
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -u -p 436 -s 1084
                                      4⤵
                                      • Program crash
                                      PID:5108
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:5096
                                  • C:\Windows\SysWOW64\schtasks.exe
                                    "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
                                    2⤵
                                    • Scheduled Task/Job: Scheduled Task
                                    PID:2444
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5116 -ip 5116
                                  1⤵
                                    PID:3320
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 436 -ip 436
                                    1⤵
                                      PID:3840
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4600
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:5048

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log

                                          Filesize

                                          1KB

                                          MD5

                                          10eab9c2684febb5327b6976f2047587

                                          SHA1

                                          a12ed54146a7f5c4c580416aecb899549712449e

                                          SHA256

                                          f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928

                                          SHA512

                                          7e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50

                                        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\winsock.exe.log

                                          Filesize

                                          701B

                                          MD5

                                          5de8527438c860bfa3140dc420a03e52

                                          SHA1

                                          235af682986b3292f20d8d71a8671353f5d6e16d

                                          SHA256

                                          d9d92cd6e7a4507912965138b8d1eabb3f188f4dfcb61115ee99dc2c0fd43a92

                                          SHA512

                                          77c3a774a2235c55ad520f1bf0c71fa3d3f0e7cf478a78e0d4dd6d253ee12a9859acc9ee822664467387788a2655a18373c8fcf08ea0d001549d3d4391b00bf8

                                        • C:\Users\Admin\AppData\Local\Temp\UwI3DdNHErP2.bat

                                          Filesize

                                          208B

                                          MD5

                                          bc68ddc376f555d5ae264c2d0e3649a0

                                          SHA1

                                          d2f534515f85e223b59f8b8ff41c8068d4422e72

                                          SHA256

                                          a196904fe27c8b1878125715e91a3716e7592ee11c1eec8a6d6528d698a485be

                                          SHA512

                                          2ea5cdd8686180aaa8865949d4d5374fce497494d9f254d3e7449300f9ce65923a8a9763a182e282a286bc65ae0a11b1ff27f91fd7fb7aef0301a6af846e1d7b

                                        • C:\Users\Admin\AppData\Local\Temp\rmx4KWUGet7H.bat

                                          Filesize

                                          208B

                                          MD5

                                          25f42dc40f37c83b9f6c85bd2551b8d6

                                          SHA1

                                          b2b1169d640571d11344dfe4acc37cc05c75674d

                                          SHA256

                                          30e85ac420f91ec3330c995e9d00a549319f51db4a2b66178c33ca3697390bc3

                                          SHA512

                                          9150da3427deede3ce5e3e15ca9309a4eb7046c854598a6eb3bc2a5a89255ac9b4179dc4fa0264fe78bc57f26bd39b0a74426b0059614a00494f6557458ca4a9

                                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                                          Filesize

                                          405KB

                                          MD5

                                          b8ba87ee4c3fc085a2fed0d839aadce1

                                          SHA1

                                          b3a2e3256406330e8b1779199bb2b9865122d766

                                          SHA256

                                          4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                          SHA512

                                          7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                                        • C:\Users\Admin\AppData\Local\Temp\windef.exe

                                          Filesize

                                          349KB

                                          MD5

                                          b4a202e03d4135484d0e730173abcc72

                                          SHA1

                                          01b30014545ea526c15a60931d676f9392ea0c70

                                          SHA256

                                          7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                          SHA512

                                          632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                                        • C:\Users\Admin\AppData\Roaming\Logs\09-16-2024

                                          Filesize

                                          224B

                                          MD5

                                          69917e0bc19b91eedf9b29d7ba89aa8d

                                          SHA1

                                          1eea82a6b8e0a097cfb878560237a12c2026fb7f

                                          SHA256

                                          b0f17f1de5189a81178935e4273a9b5e900b9db7ae141f3fc79cb11c3132199a

                                          SHA512

                                          538f186cccb1f2745fd55389b52a7936417d0a5c1d00d75d1042b93b18b5722577cf393d2599f42189733590d376a4d7fad657fc938031f7e4702540a39e5d51

                                        • C:\Users\Admin\AppData\Roaming\Logs\09-16-2024

                                          Filesize

                                          224B

                                          MD5

                                          ae12d358b3c260f5b1aa67aee4bc00ff

                                          SHA1

                                          2b0e6e169babcf357faabe2c011354c6e3b14613

                                          SHA256

                                          a638842296ec6a2800cc19bcea2840755e6a51640cda16b2699a1d386dd411cc

                                          SHA512

                                          59886fa86d57013b68b213a71e37d2c522caee95da911822a32340a76011f22a6f327ccb19737285f3dc62f297a4ee08adc93e60e640a64870875004b24e444b

                                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe

                                          Filesize

                                          2.0MB

                                          MD5

                                          2b4d0acdfb6b82f7b9bdcf14965e73e1

                                          SHA1

                                          a50a4079663e916cc2e37ca2bb3df661fc68a989

                                          SHA256

                                          3906039cf8dfede656ba1ec555ca3ba7f76da63802e743fa091b70b878ced907

                                          SHA512

                                          41f1cb83002393b0b5848684860bc3f330e25bc473cbfc28bbe43107d785101c1ca2911eee50d984a331333ada756aabdb9459326d4d70a60c9366a5472e7a19

                                        • memory/1416-45-0x0000000006C90000-0x0000000006C9A000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/2632-30-0x00000000005B0000-0x000000000060E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/2632-37-0x0000000006130000-0x000000000616C000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/2632-36-0x0000000005BF0000-0x0000000005C02000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2632-35-0x0000000004FA0000-0x0000000005006000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/2632-34-0x0000000004EE0000-0x0000000004F72000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/2632-31-0x00000000053E0000-0x0000000005984000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/2632-19-0x0000000072D7E000-0x0000000072D7F000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2664-20-0x0000000003CF0000-0x0000000003CF1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2816-29-0x0000000000840000-0x0000000000860000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2816-21-0x0000000000840000-0x0000000000860000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/5096-71-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/5096-77-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB