Analysis

  • max time kernel
    5s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 14:07

General

  • Target

    799c6db9d7230eb6b0acce1885ab60e0a3f3694d22bb2f539b69ace67e533b4dN.exe

  • Size

    2.0MB

  • MD5

    98e14a04630eb45454969adad2f9cb60

  • SHA1

    0e824009ada1c4a7a5b367807c18f201adca3f5b

  • SHA256

    799c6db9d7230eb6b0acce1885ab60e0a3f3694d22bb2f539b69ace67e533b4d

  • SHA512

    fbf5b4fdca4d4db40a67ba95c7ebd647b0a72c7b4f11eb3cd9d9f58040e329f9a2fd831e3ca92c54b54615d81dc02dd87be549b30cd31dabb7b74e959ed909b2

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYq:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y4

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\799c6db9d7230eb6b0acce1885ab60e0a3f3694d22bb2f539b69ace67e533b4dN.exe
    "C:\Users\Admin\AppData\Local\Temp\799c6db9d7230eb6b0acce1885ab60e0a3f3694d22bb2f539b69ace67e533b4dN.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:3408
    • 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:3684
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3056
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 544
          3⤵
          • Program crash
          PID:3716
      • 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:3204
        • 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:3564
        • 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:4948
          • 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:3700
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\rJbwFWSAQxGA.bat" "
            4⤵
              PID:2648
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4056
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4016
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:832
                    • 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:2696
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\adFdbEdfKltr.bat" "
                      6⤵
                        PID:4480
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:5084
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1452
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4452
                              • 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:2156
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 1976
                            6⤵
                            • Program crash
                            PID:4652
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1704
                        4⤵
                        • Program crash
                        PID:364
                  • C:\Users\Admin\AppData\Local\Temp\799c6db9d7230eb6b0acce1885ab60e0a3f3694d22bb2f539b69ace67e533b4dN.exe
                    "C:\Users\Admin\AppData\Local\Temp\799c6db9d7230eb6b0acce1885ab60e0a3f3694d22bb2f539b69ace67e533b4dN.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2788
                  • 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:4524
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3684 -ip 3684
                  1⤵
                    PID:3008
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4948 -ip 4948
                    1⤵
                      PID:4364
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3016
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:748
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2340
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 520
                                3⤵
                                • Program crash
                                PID:3888
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:3556
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:464
                                • 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:4052
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 748 -ip 748
                                1⤵
                                  PID:3936
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 832 -ip 832
                                  1⤵
                                    PID:4816
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4108
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3164

                                      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\adFdbEdfKltr.bat

                                        Filesize

                                        208B

                                        MD5

                                        43da36bee8986ecef8420b38d5abc86d

                                        SHA1

                                        5a83ab3a49697c4400a84d86e5872611ae822256

                                        SHA256

                                        0a565c3dfc38728326c04c281b5ba8bba25948d11fe3f057fb85f877f517e419

                                        SHA512

                                        b3e07fba15ff8f6507a0a069a79e417c54cd3b6250ac5b17cc2f55e9be79839d0a81b7136d61f050a99cfcab0fa005f1fcd773823b56c3f4671e18bb423ac498

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

                                        Filesize

                                        208B

                                        MD5

                                        779932c7b6ca41865903f975f242b15f

                                        SHA1

                                        49f30ce3f3c58b433973d62b26b410e448e787bc

                                        SHA256

                                        707d03463bd09e5ff1a1244177ee02e0409dc6f1ade1f54068cb83feca03897c

                                        SHA512

                                        36dd9122204fd44a0386048828e53f185f9572d7182c7ce2cbcc9750ab24feb6d4502b67f080a61a9f6af88d9858cdd4833ab6a437e52c7d4d2fcbe2562f74d1

                                      • 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\11-01-2024

                                        Filesize

                                        224B

                                        MD5

                                        4014cb11e0005722a97afdecb4cae0af

                                        SHA1

                                        5683c363bebaed9254a7076f096401294de049e8

                                        SHA256

                                        5199430a54d48458c55baf22cad99e292d2dead397a6dd05cf3fa20f395aed26

                                        SHA512

                                        f7b74a57444ab2472a534cf055f605dd390b962e21dccdddfc647fc548e3f9b0616003ce768480b31841c523c3cfe0795be9dbb3818c39922e679d83a2a2f5b3

                                      • C:\Users\Admin\AppData\Roaming\Logs\11-01-2024

                                        Filesize

                                        224B

                                        MD5

                                        88f068e29171db45761a21c88389fa95

                                        SHA1

                                        c4c30a7228b44f3f5db1f5cfb2d0eee4f593a0a5

                                        SHA256

                                        409d75fb335e4bd246609a880ab02b883f09236a3710a2fc355a700c5669d16a

                                        SHA512

                                        5a20d05859ebb1da21ea47668d8ff20c59cc36b9bd7386ae162294e0ee7cd25bb37787da3ccceebea8ee48787e41294c8251d00651e1082ead126818e0af91d7

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        4c623d28fd6ef477a192220ff34a0d59

                                        SHA1

                                        85f7173497467a20c16e4893d89ce3459b8aec40

                                        SHA256

                                        70f4312f1a4c78c2f6c20287efb68dd80df5160658559d504adc793d07ee6bbb

                                        SHA512

                                        64034129891e6dbea697f199da56041dec0ab36ab938e4a3e4f235294873f0ad188bc5b193b2b9c348e3c43c1ccc8beb9aca7b795a8c95473dde175b1bed35bf

                                      • memory/2788-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2788-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3204-34-0x0000000004F40000-0x0000000004FD2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/3204-37-0x0000000006160000-0x000000000619C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/3204-36-0x0000000005020000-0x0000000005032000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3204-35-0x0000000005060000-0x00000000050C6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/3204-33-0x0000000005610000-0x0000000005BB4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3204-30-0x00000000005E0000-0x000000000063E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3204-29-0x000000007324E000-0x000000007324F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3408-19-0x0000000004140000-0x0000000004141000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4948-45-0x0000000006B30000-0x0000000006B3A000-memory.dmp

                                        Filesize

                                        40KB