Analysis

  • max time kernel
    5s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 05:04

General

  • Target

    dece1eabc1938846d35a4ee328d743bd28f295e4abd01943aa68d221a02dc242N.exe

  • Size

    2.0MB

  • MD5

    88463b79296970a2ed8e5bfa128b9f20

  • SHA1

    214c3cb5d1939db569ec1fffb96ef9f9de689e3e

  • SHA256

    dece1eabc1938846d35a4ee328d743bd28f295e4abd01943aa68d221a02dc242

  • SHA512

    9c3b7b0b0657dbc42c625552f3a994ec206f46413ec1852d2dbf71df5eded3e191209c725f79dd33f2f016d4e917a4e99a1fa9500521f4431367fae532d399c0

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYn:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y9

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.

  • Azorult family
  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • 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 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\dece1eabc1938846d35a4ee328d743bd28f295e4abd01943aa68d221a02dc242N.exe
    "C:\Users\Admin\AppData\Local\Temp\dece1eabc1938846d35a4ee328d743bd28f295e4abd01943aa68d221a02dc242N.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:3716
    • 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:3312
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 548
          3⤵
          • Program crash
          PID:5020
      • 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:1496
        • 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:4784
        • 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:2060
          • 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:2280
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9N9WwuKas7pa.bat" "
            4⤵
              PID:3356
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4152
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3616
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:544
                    • 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:3872
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Z1QWrNUNIoNh.bat" "
                      6⤵
                        PID:5048
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3484
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4760
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3108
                              • 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:2128
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 2244
                            6⤵
                            • Program crash
                            PID:1588
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 2012
                        4⤵
                        • Program crash
                        PID:3264
                  • C:\Users\Admin\AppData\Local\Temp\dece1eabc1938846d35a4ee328d743bd28f295e4abd01943aa68d221a02dc242N.exe
                    "C:\Users\Admin\AppData\Local\Temp\dece1eabc1938846d35a4ee328d743bd28f295e4abd01943aa68d221a02dc242N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3760
                  • 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:1908
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3312 -ip 3312
                  1⤵
                    PID:1560
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:1480
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:1300
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:3256
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1300 -s 520
                              3⤵
                              • Program crash
                              PID:5004
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3360
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4176
                              • 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:1064
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1300 -ip 1300
                              1⤵
                                PID:2456
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2060 -ip 2060
                                1⤵
                                  PID:3992
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 544 -ip 544
                                  1⤵
                                    PID:4436
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:3052

                                    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\Temp\9N9WwuKas7pa.bat

                                      Filesize

                                      208B

                                      MD5

                                      73cdad8dc9092439e9884fa3b08f81ee

                                      SHA1

                                      ce00bcee3327d6e6f06005a685b193e7697544f2

                                      SHA256

                                      a4679ba83c8fa3a2307ab32b5906d35f902231638825ebc58516785d5d6a0ca2

                                      SHA512

                                      e0f92b3ec323c53f331b2d1f5aeccf95ae2856e225e85051bba98c71d77aa185e0071bb2ea865e5cc07e0835db6abb83198ad1b7afe5b1402bfe66fec155ffd9

                                    • C:\Users\Admin\AppData\Local\Temp\Z1QWrNUNIoNh.bat

                                      Filesize

                                      208B

                                      MD5

                                      353de9c7d95e7c34ae17074f57b8489c

                                      SHA1

                                      6ccaa2d9e450119639ce2f1da101f6922ffabc2e

                                      SHA256

                                      d01dc63a00ef168933766decca8f5f66c6e06a89438814b52772f22cc6bb021a

                                      SHA512

                                      993ec75e661a666ca1118f4d7ee55f3e0c9de4cf2418dffe107c7f6a2fea8568199684cf51cdeac87e63fd25860e2d7dfe543f830b7f54f1ed0273c1b3499fd3

                                    • 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\12-04-2024

                                      Filesize

                                      224B

                                      MD5

                                      fd007dc82cddc8dc06042efdfea02793

                                      SHA1

                                      fbead98469a2f35e0764ecd3bf19173d12716761

                                      SHA256

                                      5eec98cc765a3ad8177489492c8dbacad5ac0486429aac07b255ca7fb95c10dc

                                      SHA512

                                      930c9fb7538ff2f6e8f7302613cb5f7739c55c2350746f1bfd6d5a2e15c3062c0393111d535d357d9e1ca4c7efe2092bb3d56a900d3cf310c8c5310b3666acaf

                                    • C:\Users\Admin\AppData\Roaming\Logs\12-04-2024

                                      Filesize

                                      224B

                                      MD5

                                      a5e213808f1445d5abb08d204687fbbb

                                      SHA1

                                      219a095de4b9e8abae9efcc4caab127b53be388f

                                      SHA256

                                      d993569518a730838e18d3378a2219a4c782a629826a156836d648c027937942

                                      SHA512

                                      6ba44e7958761f1a9936c0bf9d61b865629033b2fdc92682841891235bd882b28dbe628fde1b069d594be10e8fd40eca0ab12f01d284e11ebae38b5a7e3ebd56

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      390321da3d771567e730aa35d225d4ba

                                      SHA1

                                      15ab6310121c8320f13f572c540de3b5c1fd41e8

                                      SHA256

                                      e02aa8f883452186823a78e91b9681c7f6d9b586bfd6441fd5e0d6a532bdb46e

                                      SHA512

                                      faa31d9fb6c36561985b10289b6c70d64d3ecd15d23889291f55b6e3cc2a230265949fc0cba9588d3532296ca42cf0c04d2eb2ee3b45cbfd28ba42e391e532a8

                                    • memory/1496-32-0x0000000000D40000-0x0000000000D9E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/1496-35-0x0000000005890000-0x00000000058F6000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/1496-36-0x0000000005F00000-0x0000000005F12000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1496-37-0x00000000069F0000-0x0000000006A2C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/1496-34-0x00000000057D0000-0x0000000005862000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/1496-33-0x0000000005F80000-0x0000000006524000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/1496-29-0x0000000072FBE000-0x0000000072FBF000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2060-45-0x0000000006430000-0x000000000643A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/3716-19-0x0000000003AF0000-0x0000000003AF1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3760-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3760-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB