Analysis

  • max time kernel
    6s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 23:27

General

  • Target

    68146c839c7f9796c8cf176d42c08f43c6a5233bbe0c20254251049b90973257.exe

  • Size

    2.0MB

  • MD5

    4ea7103214b50d185fa6d3ba4df3bb17

  • SHA1

    d1043763a20561ae4b13398902c56bf1acc581f9

  • SHA256

    68146c839c7f9796c8cf176d42c08f43c6a5233bbe0c20254251049b90973257

  • SHA512

    1881b8161a18aa65c4521edfa07f7d3d0982743237e18d24e6283b3eac7075701cc62fb9280887bf10a608c122cfa308acf5a88fc8fcc72ab9c0749a0feb9210

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

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\68146c839c7f9796c8cf176d42c08f43c6a5233bbe0c20254251049b90973257.exe
    "C:\Users\Admin\AppData\Local\Temp\68146c839c7f9796c8cf176d42c08f43c6a5233bbe0c20254251049b90973257.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:4952
    • 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:3672
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 556
          3⤵
          • Program crash
          PID:2992
      • 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:3060
        • 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:4552
        • 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:4348
          • 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:752
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UpG0jWPPy9p4.bat" "
            4⤵
              PID:3788
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4876
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2416
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3792
                    • 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:2988
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TFyKwOo9PCHB.bat" "
                      6⤵
                        PID:3852
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2692
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2432
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3996
                              • 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:4120
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3792 -s 2284
                            6⤵
                            • Program crash
                            PID:2496
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 1700
                        4⤵
                        • Program crash
                        PID:5108
                  • C:\Users\Admin\AppData\Local\Temp\68146c839c7f9796c8cf176d42c08f43c6a5233bbe0c20254251049b90973257.exe
                    "C:\Users\Admin\AppData\Local\Temp\68146c839c7f9796c8cf176d42c08f43c6a5233bbe0c20254251049b90973257.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3232
                  • 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:2340
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3672 -ip 3672
                  1⤵
                    PID:1644
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4348 -ip 4348
                    1⤵
                      PID:1640
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3312
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:5092
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4788
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 520
                                3⤵
                                • Program crash
                                PID:4912
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4544
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3632
                                • 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:3464
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 5092 -ip 5092
                                1⤵
                                  PID:2752
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3792 -ip 3792
                                  1⤵
                                    PID:3556
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:1576
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:2864
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:3244

                                        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\TFyKwOo9PCHB.bat

                                          Filesize

                                          208B

                                          MD5

                                          45680f0813ac200601d6d84f894b8d1e

                                          SHA1

                                          819bc45da4e0c1a20857c6dbdcf2bcff216e4936

                                          SHA256

                                          02011630e9c43b1268849f414f803ecfa3abef730bf2f08f74645916c182440b

                                          SHA512

                                          3b99cb081e78cdbad93c74a26fdd7550b1dc918c15f8b52a39e152af5155ebd4918440dcd8354d233ee6883bdb015ee6ddb58594f4394dbe3d246d277a188704

                                        • C:\Users\Admin\AppData\Local\Temp\UpG0jWPPy9p4.bat

                                          Filesize

                                          208B

                                          MD5

                                          c40c99c1f9f9fb7fc787d7512582a997

                                          SHA1

                                          b259abccf203208d1bb13f6f7367731ebba633c3

                                          SHA256

                                          506cabd18f33ef805d1c386387df2fb1b6900c9606211736455c1a4356e2c4e3

                                          SHA512

                                          1481872111d9385228725a7ea4221d013580c1e3d25b445ff1608ad9d099bfab4fb05fe24909d0e9dcacc5d00696ac7e24bc9bd03bbefdbbfc91b4bc4ec903c4

                                        • 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\12-10-2024

                                          Filesize

                                          224B

                                          MD5

                                          7251c767123503c28c328bb1672bc1b3

                                          SHA1

                                          bed2a7ee5d474981fea7173f7b9ba5f795eea96b

                                          SHA256

                                          3c67c5afbf3ddc58d1122590d17b11b6fc8a95c6fb9528e825325c640800770d

                                          SHA512

                                          aedc1d7b1158e8eca28f485e3234007775f59235df37f9704c0b48da25ff0d0d4bc8ad0bdf3756f37729375185c374dd0797f45beb0ab1157e98fb92bd72e451

                                        • C:\Users\Admin\AppData\Roaming\Logs\12-10-2024

                                          Filesize

                                          224B

                                          MD5

                                          3c81ba50558240226d4c4a9e4b18f1aa

                                          SHA1

                                          f660e6213240bf05a291e46c3ea41ec7a81154a2

                                          SHA256

                                          ca4765714c101e2a4b8a83fe003521174445bab765be0723bb512718c997bdfd

                                          SHA512

                                          d3e83a3f36784343bd6e375afe62be87deaab835edae754423aa94b28214d17220fadf9765be0bc5c133654f8285f0cf44ef94d3303f700c1b70b34decc59c24

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          679f99e68f65c2e75916633c67bc72e3

                                          SHA1

                                          dd795c6369c8e14262e1a628ad8bc9fdf0685d8a

                                          SHA256

                                          2731bf4e89bfd71bafd3c2d5d813ac2dce8e9b96757e59e4a42f64e184b72fc7

                                          SHA512

                                          a19d8dd259bb0b2b00b88d89d4e0edb1dbfaac229ff1f14fffd2b2a06e9003fdacbcae4040cd0005d66554f180a0e8af8268450168649cf55513d904ed120369

                                        • memory/3060-34-0x00000000057F0000-0x0000000005856000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/3060-35-0x0000000006510000-0x0000000006522000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3060-36-0x0000000006A50000-0x0000000006A8C000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/3060-33-0x0000000005890000-0x0000000005922000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/3060-32-0x0000000005E40000-0x00000000063E4000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/3060-31-0x0000000000EE0000-0x0000000000F3E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/3232-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3232-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4348-44-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/4952-19-0x00000000044C0000-0x00000000044C1000-memory.dmp

                                          Filesize

                                          4KB