Analysis

  • max time kernel
    5s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2024 19:12

General

  • Target

    950c8b041fc05111e24c18c25ff7d8d0a79034ce0e22857be44ae8ee12625d89.exe

  • Size

    2.0MB

  • MD5

    bd2ffe58dc96d5800a2a5994786074d3

  • SHA1

    e73cf25e648d7e3adbe1e997c01d9aacac48d78c

  • SHA256

    950c8b041fc05111e24c18c25ff7d8d0a79034ce0e22857be44ae8ee12625d89

  • SHA512

    f0b82155cce0ec834e3b05784f83d46fe69a6265e3e696f2726f231df9d71e703e4e4319d8ab5310916d63482d789d085c8fa7eb06f56cafccde9ab697b636f8

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYp:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yf

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\950c8b041fc05111e24c18c25ff7d8d0a79034ce0e22857be44ae8ee12625d89.exe
    "C:\Users\Admin\AppData\Local\Temp\950c8b041fc05111e24c18c25ff7d8d0a79034ce0e22857be44ae8ee12625d89.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:3780
    • 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:4644
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 552
          3⤵
          • Program crash
          PID:4052
      • 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:3324
        • 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:1552
        • 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:3188
          • 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:4064
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mRfK1GilSwsK.bat" "
            4⤵
              PID:2360
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4532
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2592
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4324
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 2280
                  4⤵
                  • Program crash
                  PID:5060
            • C:\Users\Admin\AppData\Local\Temp\950c8b041fc05111e24c18c25ff7d8d0a79034ce0e22857be44ae8ee12625d89.exe
              "C:\Users\Admin\AppData\Local\Temp\950c8b041fc05111e24c18c25ff7d8d0a79034ce0e22857be44ae8ee12625d89.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2516
            • 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:4596
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4644 -ip 4644
            1⤵
              PID:4400
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3188 -ip 3188
              1⤵
                PID:1664
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:1660
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:1708
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:436
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 520
                          3⤵
                          • Program crash
                          PID:5000
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:3792
                          • 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:1528
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            3⤵
                              PID:1016
                              • 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:3868
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\r6kGIT0DAZZM.bat" "
                                4⤵
                                  PID:3860
                                  • C:\Windows\SysWOW64\chcp.com
                                    chcp 65001
                                    5⤵
                                      PID:3388
                                    • C:\Windows\SysWOW64\PING.EXE
                                      ping -n 10 localhost
                                      5⤵
                                      • System Network Configuration Discovery: Internet Connection Discovery
                                      • Runs ping.exe
                                      PID:540
                                    • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                      "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                      5⤵
                                        PID:1680
                                        • 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:4064
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -u -p 1016 -s 2292
                                      4⤵
                                      • Program crash
                                      PID:1812
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:2168
                                  • 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:3308
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1708 -ip 1708
                                  1⤵
                                    PID:4028
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1016 -ip 1016
                                    1⤵
                                      PID:1216
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4648
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:4484

                                        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\mRfK1GilSwsK.bat

                                          Filesize

                                          208B

                                          MD5

                                          a5ad8b48fa3025c12ef1e3038d79ceb4

                                          SHA1

                                          f9e297ae277bc79c0dab0ba427780b9b9b1c3781

                                          SHA256

                                          19298eed049ffcd7ba72412170f3f4822c4fb28006121d536c76a456ec59bb8d

                                          SHA512

                                          bdf1d1fe6cf1823add9c3e3da18f33cd8a5c2c49a8c4f06aab356a27fd8035177222e3a245673d32b2445f6fe908c8a8698bea54d4d590064b04a7df750c53c8

                                        • C:\Users\Admin\AppData\Local\Temp\r6kGIT0DAZZM.bat

                                          Filesize

                                          208B

                                          MD5

                                          425e0b00d9a794f5e27e07ce44ac12fb

                                          SHA1

                                          674b384cc5d686b7cfb037ef73c705a6cc8e3293

                                          SHA256

                                          8ad53cf78658269cee76bae2aba016c01693e490c11f34dc8b230a8536250015

                                          SHA512

                                          14e27a384e2a55746fdd3e059c17a81add9b1edeb663c755b69b2586c5e79e93853adc6f2215ee0a827d605ca7b3650e5e080db3e08e7a85353f6d0fa21f5c35

                                        • 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\12-01-2024

                                          Filesize

                                          224B

                                          MD5

                                          0d793d03fa225fe6e6a101a04c7a4256

                                          SHA1

                                          ecb6ea9557a73e6d1a79881fa5b7c917db1332c6

                                          SHA256

                                          69a9ac162347ac92eded429980f3e30a93ecd68e09a1c9024d3935f7a8721027

                                          SHA512

                                          6aac1ec8d6cd2a7e5f95f7a388e4448b12db9def14b5d1115c6635ede31d264413c6aa358a5471739b1f548989b91e4cb105f05ad7c2866fb5aec405c0e86581

                                        • C:\Users\Admin\AppData\Roaming\Logs\12-01-2024

                                          Filesize

                                          224B

                                          MD5

                                          4067a580347cdaf4c0ac7dd3467b735b

                                          SHA1

                                          4bbd0cb90f77fed49a70067120957269e33c1864

                                          SHA256

                                          ddca2f84739b2feaac22b99abf8abb122b4f593b53e71c5c63e366e4e57be821

                                          SHA512

                                          e82a8677bf00281dd99bad21ceb3d1a2a9bfd01c4fb9eb2c12560222c0b751fdb2232768f8cb3f2263fbc60322b3da50c878e4267d6e2ca175e30df417ca571c

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          65d84b9a9a8567f406c7496501ee5988

                                          SHA1

                                          8823346ef953b9d2a30b9b110e7ed56f0586bf35

                                          SHA256

                                          4850e6da240f358007b7514faa7133b7c96300151623ffaf95448995f807a91e

                                          SHA512

                                          8c8087185f54ea83161cb709d6318fe5a7ff2084d4eab87f175f0ee413df7cac25f045856bad49347b136ec4a19797d00faa982d2548de5892a68de7e9330a7e

                                        • memory/2168-76-0x0000000000CC0000-0x0000000000CE0000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2168-70-0x0000000000CC0000-0x0000000000CE0000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2516-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2516-18-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3188-44-0x00000000069B0000-0x00000000069BA000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/3324-31-0x00000000003B0000-0x000000000040E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/3324-36-0x0000000006030000-0x000000000606C000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/3324-35-0x0000000005AF0000-0x0000000005B02000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/3324-34-0x0000000004CE0000-0x0000000004D46000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/3324-33-0x0000000004D80000-0x0000000004E12000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/3324-32-0x0000000005200000-0x00000000057A4000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/3780-17-0x0000000004090000-0x0000000004091000-memory.dmp

                                          Filesize

                                          4KB