Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2024 11:05

General

  • Target

    dttcodexgigas.exe

  • Size

    2.0MB

  • MD5

    d991604d49d42df05201a392c7e4ac21

  • SHA1

    8920176952310dbb18aa21656b4803b7e4042221

  • SHA256

    70aa40cd97d4faca9c2e59ec8146756d6425a42074a1bb7e002e5a69586a5848

  • SHA512

    273b27f97baff7ad7714165a94ee770cd5c3e7a4ba1c5256d82b856d3d7b7748bbe32d0cf408396d68f7d6889d179261cbc975357356720859851695e8c1404c

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYt:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YH

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 5 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 6 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:1324
    • 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:5044
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 548
          3⤵
          • Program crash
          PID:3120
      • 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:380
        • 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:3864
        • 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:2112
          • 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:1564
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PqjTqHGKy3zN.bat" "
            4⤵
              PID:2552
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4384
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3888
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4928
                    • 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:4836
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HGE3PL94CTmN.bat" "
                      6⤵
                        PID:3648
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4572
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2120
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2388
                              • 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
                                8⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:4324
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 1756
                                8⤵
                                • Program crash
                                PID:3412
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 2240
                            6⤵
                            • Program crash
                            PID:1004
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 2264
                        4⤵
                        • Program crash
                        PID:1400
                  • C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.exe
                    "C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3720
                  • 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:4416
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5044 -ip 5044
                  1⤵
                    PID:2504
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4568
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:844
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:3588
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 520
                              3⤵
                              • Program crash
                              PID:3028
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:1864
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:1528
                              • 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:4536
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 844 -ip 844
                              1⤵
                                PID:2096
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2112 -ip 2112
                                1⤵
                                  PID:924
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4928 -ip 4928
                                  1⤵
                                    PID:3864
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4700
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1200
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2388 -ip 2388
                                        1⤵
                                          PID:4404
                                        • C:\Windows\system32\dwm.exe
                                          "dwm.exe"
                                          1⤵
                                            PID:2064
                                          • C:\Windows\system32\dwm.exe
                                            "dwm.exe"
                                            1⤵
                                              PID:3580
                                            • C:\Windows\system32\dwm.exe
                                              "dwm.exe"
                                              1⤵
                                                PID:448
                                              • C:\Windows\system32\dwm.exe
                                                "dwm.exe"
                                                1⤵
                                                  PID:404
                                                • C:\Windows\system32\dwm.exe
                                                  "dwm.exe"
                                                  1⤵
                                                    PID:1416
                                                  • C:\Windows\system32\dwm.exe
                                                    "dwm.exe"
                                                    1⤵
                                                      PID:4644
                                                    • C:\Windows\system32\dwm.exe
                                                      "dwm.exe"
                                                      1⤵
                                                        PID:908
                                                      • C:\Windows\system32\dwm.exe
                                                        "dwm.exe"
                                                        1⤵
                                                          PID:1816
                                                        • C:\Windows\system32\AUDIODG.EXE
                                                          C:\Windows\system32\AUDIODG.EXE 0x4f8 0x4d0
                                                          1⤵
                                                            PID:2808
                                                          • C:\Windows\system32\sihost.exe
                                                            sihost.exe
                                                            1⤵
                                                              PID:1520
                                                            • C:\Windows\system32\sihost.exe
                                                              sihost.exe
                                                              1⤵
                                                                PID:2740
                                                              • C:\Windows\system32\sihost.exe
                                                                sihost.exe
                                                                1⤵
                                                                  PID:1376
                                                                • C:\Windows\system32\sihost.exe
                                                                  sihost.exe
                                                                  1⤵
                                                                    PID:708
                                                                  • C:\Windows\system32\sihost.exe
                                                                    sihost.exe
                                                                    1⤵
                                                                      PID:208
                                                                    • C:\Windows\system32\sihost.exe
                                                                      sihost.exe
                                                                      1⤵
                                                                        PID:5000

                                                                      Network

                                                                      MITRE ATT&CK Enterprise v15

                                                                      Replay Monitor

                                                                      Loading Replay Monitor...

                                                                      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\Temp\HGE3PL94CTmN.bat

                                                                        Filesize

                                                                        208B

                                                                        MD5

                                                                        a6222b40f1513722944ac154639b252b

                                                                        SHA1

                                                                        8ca63ef11600493337cbfdd97a8e2fe53b35bdd2

                                                                        SHA256

                                                                        d04c20b9a54dd55cd9f83dc4c042702d98597c25dba5cb712872b806db6d67bc

                                                                        SHA512

                                                                        7f670fbba56df290b921637d8b6e4471a63c5a9d5c40956b5c080ad48eac04633b100ac9c3e0ebc961085a8fc757ff47680bd6792767f60a565c2bd51e65b472

                                                                      • C:\Users\Admin\AppData\Local\Temp\PqjTqHGKy3zN.bat

                                                                        Filesize

                                                                        208B

                                                                        MD5

                                                                        fe31f200f8bb4350cc86855b27a5b24c

                                                                        SHA1

                                                                        6403be555b4051d0873dc3a7fc85c1276f748c6e

                                                                        SHA256

                                                                        3685a3a83efd026789918a6eecaab9347de3c82b293add50972f9d34c8382625

                                                                        SHA512

                                                                        6e6c9b84b5885295261d4f818aa42baf12d7f58dcd1f53f586552e92cec4295ed5831683f5d0d4616547871b4e69c42f9b18c2a272c562d455b0b1da15b1a161

                                                                      • 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\09-17-2024

                                                                        Filesize

                                                                        224B

                                                                        MD5

                                                                        71d1c0eb3252e81da347ca0d543bd484

                                                                        SHA1

                                                                        cfacd356b495d82000922c5ab7694df5fa063c6a

                                                                        SHA256

                                                                        df2d6606529fc1bd905127a70c5acd6e929d284b807a847f79486f328b34fff6

                                                                        SHA512

                                                                        1fd854c3d2426bd37c7dee232b54e1be24b4645c1a7b9d1a2d5630f213fc7ba02cccb6550a02411925c1be75ce50e5635a5ca71632124706b5c8631c017b9061

                                                                      • C:\Users\Admin\AppData\Roaming\Logs\09-17-2024

                                                                        Filesize

                                                                        224B

                                                                        MD5

                                                                        5dcd6d55ff80948adf4e4723be4fb4c6

                                                                        SHA1

                                                                        88eca25d740204d4dbb45e302f3a9624053ed537

                                                                        SHA256

                                                                        b399a2cb55c059f8b42465f564d33d9da8dea9d8fd5f3c5e8389fc4b72cda188

                                                                        SHA512

                                                                        46704057554d41619eb41250b2b73f09365606b1042e9aa6e248c4f75e1002008a7ab7f8d8b885666c4d6a4a51743d55c8609536333e8485a3f0e05fce6427bd

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

                                                                        Filesize

                                                                        2.0MB

                                                                        MD5

                                                                        2ac268cb19239642cd8d4ceacad43fe5

                                                                        SHA1

                                                                        aabfaf3e8c2e82cad6779a5c993f5eb9dbf03280

                                                                        SHA256

                                                                        d002bf1ba985698ae151bc835a0a2512dfe39808b38a42606c6ce679e6794f1a

                                                                        SHA512

                                                                        fb0447c2909ab0438315dc08ff118c933871abd1b100bfa0627ae5f7e932e92aef771b8dd28f46e213fbbd759787f8a69f4b0b4acf24b77d8bd1acb503c50ab5

                                                                      • memory/380-34-0x0000000005860000-0x00000000058F2000-memory.dmp

                                                                        Filesize

                                                                        584KB

                                                                      • memory/380-35-0x0000000005900000-0x0000000005966000-memory.dmp

                                                                        Filesize

                                                                        408KB

                                                                      • memory/380-36-0x0000000006520000-0x0000000006532000-memory.dmp

                                                                        Filesize

                                                                        72KB

                                                                      • memory/380-37-0x0000000006A60000-0x0000000006A9C000-memory.dmp

                                                                        Filesize

                                                                        240KB

                                                                      • memory/380-33-0x0000000005D70000-0x0000000006314000-memory.dmp

                                                                        Filesize

                                                                        5.6MB

                                                                      • memory/380-30-0x0000000000DA0000-0x0000000000DFE000-memory.dmp

                                                                        Filesize

                                                                        376KB

                                                                      • memory/380-19-0x0000000072C4E000-0x0000000072C4F000-memory.dmp

                                                                        Filesize

                                                                        4KB

                                                                      • memory/1324-20-0x00000000040A0000-0x00000000040A1000-memory.dmp

                                                                        Filesize

                                                                        4KB

                                                                      • memory/1528-67-0x0000000000400000-0x0000000000420000-memory.dmp

                                                                        Filesize

                                                                        128KB

                                                                      • memory/1528-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                                                        Filesize

                                                                        128KB

                                                                      • memory/2112-45-0x0000000006D10000-0x0000000006D1A000-memory.dmp

                                                                        Filesize

                                                                        40KB

                                                                      • memory/3720-29-0x0000000000890000-0x00000000008B0000-memory.dmp

                                                                        Filesize

                                                                        128KB

                                                                      • memory/3720-21-0x0000000000890000-0x00000000008B0000-memory.dmp

                                                                        Filesize

                                                                        128KB

                                                                      • memory/4568-89-0x0000000074FD0000-0x0000000074FD8000-memory.dmp

                                                                        Filesize

                                                                        32KB

                                                                      • memory/4568-90-0x0000000074920000-0x0000000074D70000-memory.dmp

                                                                        Filesize

                                                                        4.3MB