Analysis

  • max time kernel
    6s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 22:07

General

  • Target

    59713df01c293ed2534f636768c25197408d8489cbee480720571972540d5a2b.exe

  • Size

    2.0MB

  • MD5

    83e32263d325642ba70bb6d7ecf9bed4

  • SHA1

    66fd8758eae62532be0ef48c25512216156d7f61

  • SHA256

    59713df01c293ed2534f636768c25197408d8489cbee480720571972540d5a2b

  • SHA512

    2039a75aadad530a8cb4440516d22e561cc29bd236191fcd88e3e9cb631f6722880799522fabac76d526154391b92755605794128482dcd684a03015b90d3371

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYG:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YI

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

    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 1 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 5 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\59713df01c293ed2534f636768c25197408d8489cbee480720571972540d5a2b.exe
    "C:\Users\Admin\AppData\Local\Temp\59713df01c293ed2534f636768c25197408d8489cbee480720571972540d5a2b.exe"
    1⤵
    • 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:2976
    • 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:3184
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3460
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 548
          3⤵
          • Program crash
          PID:1976
      • 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:2440
        • 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:776
        • 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:2900
          • 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:2020
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\oqex49jnwo24.bat" "
            4⤵
              PID:3588
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3548
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3856
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2720
                    • 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:1304
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XBIeQruIqbgl.bat" "
                      6⤵
                        PID:4252
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1132
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:400
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4036
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 2248
                            6⤵
                            • Program crash
                            PID:2984
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 1764
                        4⤵
                        • Program crash
                        PID:4588
                  • C:\Users\Admin\AppData\Local\Temp\59713df01c293ed2534f636768c25197408d8489cbee480720571972540d5a2b.exe
                    "C:\Users\Admin\AppData\Local\Temp\59713df01c293ed2534f636768c25197408d8489cbee480720571972540d5a2b.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3244
                  • 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:2864
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3184 -ip 3184
                  1⤵
                    PID:1628
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2900 -ip 2900
                    1⤵
                      PID:1124
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:656
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:1164
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3008
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 520
                                3⤵
                                • Program crash
                                PID:1312
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2464
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2564
                                • 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:672
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1164 -ip 1164
                                1⤵
                                  PID:2320
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2720 -ip 2720
                                  1⤵
                                    PID:4344
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1828
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:808

                                      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\XBIeQruIqbgl.bat

                                        Filesize

                                        208B

                                        MD5

                                        0c150c47f0b20d3cfdb9ab4d7980bd7b

                                        SHA1

                                        97d14a596400ca2536f6fd383789bd1beab8c206

                                        SHA256

                                        4a43978150e998822d1b488a16dcb1b0788dd924bfe89101021cfbd58cc4f821

                                        SHA512

                                        32d7a7d39c88257a0f3ecfdd87877d3a2fed50e8527b1bdd9813ac97294144502f801326918db4ff028978f8f90d46bb43f212539cee53eb06baacb89edebcdd

                                      • C:\Users\Admin\AppData\Local\Temp\oqex49jnwo24.bat

                                        Filesize

                                        208B

                                        MD5

                                        72bfe0466ac3db3813a83b7a0189509c

                                        SHA1

                                        989cac2863ec70910474bc2ad0529802e69d87fa

                                        SHA256

                                        5c3cca6fe8d1fd796033cb2dfeb3013dc96bc3e491933a5a1a64fd1271037970

                                        SHA512

                                        484370c38f36c9d702e097c2d39f13a0aa68d00cce5c9b259e81b2ba10024c7f0457f1e9f6f77ff1a19a156e72fe8d8a2f612efeb3e82f2c4eb689056297ba4c

                                      • 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\08-15-2024

                                        Filesize

                                        224B

                                        MD5

                                        c1fb9fc4d4bb93c262c464e16596a4b5

                                        SHA1

                                        1e45efa1f65bcab23a912c2dd22b2ca832f288d9

                                        SHA256

                                        c2447bd95fde14b259432a1b7f63cc00a2ed8818e8fda8b99a12939686ddc11b

                                        SHA512

                                        ddfbccd948e4425af3ee98f380d8ca6d1d72646e61cae98c1f0ab54b7a03a7f133de93cfbc52f2642eee5d7724a3706e37598fccab0c7428a13400f7e7fa6e05

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        05e2e2cfaf9fd35abb01b7d55e96a21f

                                        SHA1

                                        dc3f2df224b45f796aa3c90f592901b96ed1b1e4

                                        SHA256

                                        17d02dd6ab829be8fd99d9a311af73a94a596084384b650649038fdc55fce96e

                                        SHA512

                                        681960df92d7f436137d037e51faae0f5d934e707d5eb26ae52a65be0e1532ec342d8a31d709875b1255c4286a958d0348384530d3cb859d7de7a1ea5bd7da16

                                      • memory/2440-36-0x0000000005A50000-0x0000000005A62000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2440-19-0x0000000072D1E000-0x0000000072D1F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2440-35-0x0000000004D40000-0x0000000004DA6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2440-33-0x0000000005280000-0x0000000005824000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/2440-37-0x0000000005F90000-0x0000000005FCC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/2440-34-0x0000000004E10000-0x0000000004EA2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2440-30-0x0000000000400000-0x000000000045E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/2564-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2564-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2900-45-0x0000000006610000-0x000000000661A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2976-20-0x0000000003F70000-0x0000000003F71000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2976-86-0x0000000075E30000-0x0000000075F0C000-memory.dmp

                                        Filesize

                                        880KB

                                      • memory/3244-21-0x0000000000380000-0x00000000003A0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3244-29-0x0000000000380000-0x00000000003A0000-memory.dmp

                                        Filesize

                                        128KB