Analysis

  • max time kernel
    5s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-10-2024 01:01

General

  • Target

    826e029c9aeea20223d3dcd3ad31976f5d89e4cd5c21c38475a58cdc59e29700N.exe

  • Size

    2.0MB

  • MD5

    994a6ad010f19826841be4d903bec400

  • SHA1

    4abad8f214d4928845c1050095e58e1282c51814

  • SHA256

    826e029c9aeea20223d3dcd3ad31976f5d89e4cd5c21c38475a58cdc59e29700

  • SHA512

    c5e0d3d01b4da314fa2bc7db2f0769f386c3d5468436dd599a693872a88720e7cc02b31ac66baddd8cd1478e2191a65079d5afb6db659b3a46377ada76728b3c

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yg

Malware Config

Extracted

Family

azorult

C2

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

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Signatures

  • Azorult

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

  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

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

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

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

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

  • Looks up external IP address via web service 2 IoCs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

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

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

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

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

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

    Adversaries may check for Internet connectivity on compromised systems.

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

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\826e029c9aeea20223d3dcd3ad31976f5d89e4cd5c21c38475a58cdc59e29700N.exe
    "C:\Users\Admin\AppData\Local\Temp\826e029c9aeea20223d3dcd3ad31976f5d89e4cd5c21c38475a58cdc59e29700N.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:1724
    • 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:4524
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1180
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 548
          3⤵
          • Program crash
          PID:3812
      • 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:4832
        • 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:2396
        • 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:3304
          • 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:2796
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\J90jiyMVSYtK.bat" "
            4⤵
              PID:2860
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3472
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:5016
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3516
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 2244
                  4⤵
                  • Program crash
                  PID:452
            • C:\Users\Admin\AppData\Local\Temp\826e029c9aeea20223d3dcd3ad31976f5d89e4cd5c21c38475a58cdc59e29700N.exe
              "C:\Users\Admin\AppData\Local\Temp\826e029c9aeea20223d3dcd3ad31976f5d89e4cd5c21c38475a58cdc59e29700N.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2496
            • 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:1976
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4524 -ip 4524
            1⤵
              PID:3236
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:1988
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:2192
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:2212
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 520
                        3⤵
                        • Program crash
                        PID:4936
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:1396
                        • 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:3496
                        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                          3⤵
                            PID:4744
                            • 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:2836
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\yPWwRvPuHPZL.bat" "
                              4⤵
                                PID:4216
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  5⤵
                                    PID:3372
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    5⤵
                                    • System Network Configuration Discovery: Internet Connection Discovery
                                    • Runs ping.exe
                                    PID:4572
                                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                    5⤵
                                      PID:4312
                                      • 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:3576
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 2264
                                    4⤵
                                    • Program crash
                                    PID:3300
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2876
                                • 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:1952
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3304 -ip 3304
                                1⤵
                                  PID:4700
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2192 -ip 2192
                                  1⤵
                                    PID:2524
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4744 -ip 4744
                                    1⤵
                                      PID:1308
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2684
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:1400

                                        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\J90jiyMVSYtK.bat

                                          Filesize

                                          208B

                                          MD5

                                          8988d4f6a56d95a36b2f49cba8e698d6

                                          SHA1

                                          840352d278195da21f81a6deb6861501c1a1cc32

                                          SHA256

                                          c33ee3afb255d7f35ba01b323d61ce2ac38f545f69d05848ac872bf1abf9db8a

                                          SHA512

                                          1367b77c0d2f080bf983d4c1a1e5ff6305374d85994aab317f542f193484bc687157843643ccd5e2008c7e3b3cd63d1708516633b2c16bf1dfca08e594f8451e

                                        • 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\Local\Temp\yPWwRvPuHPZL.bat

                                          Filesize

                                          208B

                                          MD5

                                          00167be2c794e6ab860c5235e4ca8a43

                                          SHA1

                                          e6362fb1a23ad4d40dd7535aa357d40c8f46cdd7

                                          SHA256

                                          de3ddc8e7e4edc4cd409b35179f7c62fd5c89707326afbbe8bfa3b2daef4315a

                                          SHA512

                                          a13edbc4002263ade18b0db124ace16d06178be0e1bc0eeb8bc305672aa046f9fd51a2e33dfd3508429475e83ceb59e8a2a074ec5c7bae1f8f79f797bbe63a2a

                                        • C:\Users\Admin\AppData\Roaming\Logs\10-14-2024

                                          Filesize

                                          224B

                                          MD5

                                          0bfad8e0f1f89738b848c54afcd7e2a7

                                          SHA1

                                          0b399ea7fc58c6c45905fc53dd30cf1aa8e00deb

                                          SHA256

                                          c42dcdadddd00f87b92ed4921f6a496153530815816e73d51bad9da9c84e8b8f

                                          SHA512

                                          fd906101c9a55c2e790494755c8d84e23ef46868396ee9839534880dd5116626a407aa99a80e7a25834f82857e7d7a6f45e78299b199682237910fff2ee8d13f

                                        • C:\Users\Admin\AppData\Roaming\Logs\10-14-2024

                                          Filesize

                                          224B

                                          MD5

                                          014785d0cca17d6271948e40aa86002f

                                          SHA1

                                          880366c4ab3daae19f5ad5312443ca7d136a6460

                                          SHA256

                                          6fda0b60ca2af318964db1e18a72fef75dc165a3fa20501b459da93a0ee2a748

                                          SHA512

                                          46bd316a9927c251842bba6ece4024a105c80d684e89d26428cecf4474cd5eaf007c0dc9cd5b8a507b8d2cf3fa649d4f806888f0b0ac9784ec4d3720cc22dad7

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          cdbcdfbd5bd5372a5ae5c9950fdb1bfc

                                          SHA1

                                          95802501a3b4a2f0dd2e2fe1f3a938e037e4d56f

                                          SHA256

                                          cbb13198a334bddbb83ad897a18172718c70925014b1756ff5bc6421fd66b7d5

                                          SHA512

                                          b3b05f06c92adbc13b6a88549f49324d1c4f86d01b66b2d7bfc6d364cc9dfa4a0057d95a51af674b184ce146d7b29f5eec7bc8a1a179fda70c28d985173d0e78

                                        • memory/1724-19-0x00000000020F0000-0x00000000020F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2496-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2496-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2876-77-0x0000000000160000-0x0000000000180000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2876-71-0x0000000000160000-0x0000000000180000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3304-45-0x0000000006270000-0x000000000627A000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/4832-29-0x000000007326E000-0x000000007326F000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4832-37-0x0000000006B40000-0x0000000006B7C000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/4832-36-0x0000000006600000-0x0000000006612000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4832-35-0x00000000059C0000-0x0000000005A26000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/4832-34-0x0000000005920000-0x00000000059B2000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/4832-33-0x0000000005E30000-0x00000000063D4000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/4832-30-0x0000000000FD0000-0x000000000102E000-memory.dmp

                                          Filesize

                                          376KB