Analysis

  • max time kernel
    5s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 12:45

General

  • Target

    fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.exe

  • Size

    2.0MB

  • MD5

    7cd2f6334fc4e452e1833b739469a870

  • SHA1

    290b3da7d706b90f1a44364db8545fc52499fa5f

  • SHA256

    fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081

  • SHA512

    efd0e30b0ed566d78bdc8034b7b505a74fde7ef03f3f98d156c4090c32f66954b161070006b20b2c2e3827f12cb84a9d7c2d6c858a078599654e8c04f92e5a8f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

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 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\fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.exe
    "C:\Users\Admin\AppData\Local\Temp\fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.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:4540
    • 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:1464
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1900
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 556
          3⤵
          • Program crash
          PID:4340
      • 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:1312
        • 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:3424
        • 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:4048
          • 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:4720
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Qjin97Tf5D8i.bat" "
            4⤵
              PID:3840
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2720
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3480
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2712
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 2264
                  4⤵
                  • Program crash
                  PID:1464
            • C:\Users\Admin\AppData\Local\Temp\fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.exe
              "C:\Users\Admin\AppData\Local\Temp\fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:1872
            • 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:2224
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1464 -ip 1464
            1⤵
              PID:4860
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:2476
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:4040
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:2240
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 520
                        3⤵
                        • Program crash
                        PID:2308
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:1436
                        • 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:1968
                        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                          3⤵
                            PID:1332
                            • 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:2632
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\g2yfDiGp4IFE.bat" "
                              4⤵
                                PID:5000
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  5⤵
                                    PID:4340
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    5⤵
                                    • System Network Configuration Discovery: Internet Connection Discovery
                                    • Runs ping.exe
                                    PID:2720
                                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                    5⤵
                                      PID:3196
                                      • 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:2124
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 1332 -s 2252
                                    4⤵
                                    • Program crash
                                    PID:3248
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3784
                                • 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:1004
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4040 -ip 4040
                                1⤵
                                  PID:4860
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4048 -ip 4048
                                  1⤵
                                    PID:4812
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1332 -ip 1332
                                    1⤵
                                      PID:3712

                                    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\Qjin97Tf5D8i.bat

                                      Filesize

                                      208B

                                      MD5

                                      13174fbf80fcd15cd7a7ff094d67642b

                                      SHA1

                                      a9610e19fe774e192f2f8126890c801bd2caca2f

                                      SHA256

                                      66388dd677d47392cdcb87dc51b9f0fcb2feddd13c34734685b1d65f52a0111c

                                      SHA512

                                      ce9cefe7b2e96b4462f7444e6209e33f361404845018b3e8b33c09c20f0b70c77a5631a44e7ef6a6ee71e45597648e9813105046deb7fdd2362d69b98088ca65

                                    • C:\Users\Admin\AppData\Local\Temp\g2yfDiGp4IFE.bat

                                      Filesize

                                      208B

                                      MD5

                                      13d3f9327973578ffe01c011fe88e1a5

                                      SHA1

                                      c2a5af9dbf9223d6739546651bebd2e109e01b59

                                      SHA256

                                      eaa36829ba9ba0fc3adf135fb96e7accaadb4baf20143d6d6bf5b15ffe444b97

                                      SHA512

                                      53040a411165434c3487859586142be221856f7f62b6a7be3f1206d9fca67911f7306e23428c7d65afdce36cbf797c5c6e6cf41a28200f500f584fdebc381ef7

                                    • 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\11-02-2024

                                      Filesize

                                      224B

                                      MD5

                                      2ae5cdb17956433488f9acdbb7cc3f83

                                      SHA1

                                      c7f5a771dbe9f6a98d3f7b6618bf3c1db4e56d2f

                                      SHA256

                                      778d2c67c2a4bdc8127cccbca9180c20c38544e9eae1ff630fd399e1d2771cf2

                                      SHA512

                                      82cbcb8266a2355db7fcb8f7c0377c58cc82691b95b0fd13a19906aa60b6b1724c779f30186b57336ffe24c2435d12cabbd2d9cb4c92fa6f9f78adc636541d2e

                                    • C:\Users\Admin\AppData\Roaming\Logs\11-02-2024

                                      Filesize

                                      224B

                                      MD5

                                      60eab37ed1b5da96e0cf60d81e07c702

                                      SHA1

                                      d26e036eab5334ab18b3d2a29a2d7d6a43cae365

                                      SHA256

                                      5d656bf24f2b1fdd89b08683bd31130f71b161200f80ea67518853f642d6add6

                                      SHA512

                                      6e4b5a3463717cb13b3325bd8511b9d3db9e73c33d6dd4c8a84ee0eba82d0ef77b1f57dfefe5324aa2001eb7f13879982bc82a1e1ce075cf0ebfc59c1a83c2de

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      986ea1e1a423e717ad32527ead278f02

                                      SHA1

                                      bcbdc301c3f3d24f42acb8ea59a61a6bbbceb42e

                                      SHA256

                                      963b7202f4c367ef6d12f0400a61c280db79d0a4658ba10579f5e022a7a95ebf

                                      SHA512

                                      3ee04475a2ea7cb3c1f2550750499ec8863af91056d6381130cc0eb4c6adae31f728dd03b25cbb4f5361180d626ea66f310331d5e11e0b487b41e91724bbaa7b

                                    • memory/1312-29-0x000000007337E000-0x000000007337F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1312-36-0x0000000005410000-0x0000000005422000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1312-37-0x0000000006110000-0x000000000614C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/1312-35-0x0000000004F00000-0x0000000004F66000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/1312-34-0x0000000004FB0000-0x0000000005042000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/1312-33-0x0000000005440000-0x00000000059E4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/1312-32-0x0000000000580000-0x00000000005DE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/1872-28-0x00000000001A0000-0x00000000001C0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1872-20-0x00000000001A0000-0x00000000001C0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3784-71-0x0000000000350000-0x0000000000370000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3784-77-0x0000000000350000-0x0000000000370000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4048-45-0x0000000006810000-0x000000000681A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/4540-19-0x00000000041C0000-0x00000000041C1000-memory.dmp

                                      Filesize

                                      4KB