Analysis

  • max time kernel
    4s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 10:02

General

  • Target

    a27cdf949a48d415bb06199cbb8026c2faaa6ae0b710ec6c6100d481b9f1f68b.exe

  • Size

    2.0MB

  • MD5

    be2baefa4af1a2980147957da2507912

  • SHA1

    2cb510577c22d8950396740453106864d2b84cda

  • SHA256

    a27cdf949a48d415bb06199cbb8026c2faaa6ae0b710ec6c6100d481b9f1f68b

  • SHA512

    79ec22fca7b42879d142d902a3b0ce37a83dcd70a21bbe6fe85f7d2c7b3cc93bc0a91a862618d2fc8eb833598ce9da114c4a5ddb82de580f2a09d67ae999f78e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYA:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ya

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 7 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 WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a27cdf949a48d415bb06199cbb8026c2faaa6ae0b710ec6c6100d481b9f1f68b.exe
    "C:\Users\Admin\AppData\Local\Temp\a27cdf949a48d415bb06199cbb8026c2faaa6ae0b710ec6c6100d481b9f1f68b.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:4068
    • 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:1516
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3852
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 560
          3⤵
          • Program crash
          PID:2400
      • 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:456
        • 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:2272
        • 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 WriteProcessMemory
          PID:748
          • 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:3828
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MBFCRNKSnLJv.bat" "
            4⤵
              PID:4948
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4156
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4880
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3400
                    • 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:244
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9P1KbA84sx1H.bat" "
                      6⤵
                        PID:4272
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2032
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1592
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4368
                              • 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:2388
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 2232
                            6⤵
                            • Program crash
                            PID:3284
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 1176
                        4⤵
                        • Program crash
                        PID:4620
                  • C:\Users\Admin\AppData\Local\Temp\a27cdf949a48d415bb06199cbb8026c2faaa6ae0b710ec6c6100d481b9f1f68b.exe
                    "C:\Users\Admin\AppData\Local\Temp\a27cdf949a48d415bb06199cbb8026c2faaa6ae0b710ec6c6100d481b9f1f68b.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:216
                  • 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:1920
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1516 -ip 1516
                  1⤵
                    PID:1176
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 748 -ip 748
                    1⤵
                      PID:4888
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4932
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4808
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3956
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 520
                                3⤵
                                • Program crash
                                PID:5084
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4640
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3092
                                • 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:3840
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4808 -ip 4808
                                1⤵
                                  PID:4904
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3400 -ip 3400
                                  1⤵
                                    PID:4420
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1220
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1160

                                      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\9P1KbA84sx1H.bat

                                        Filesize

                                        208B

                                        MD5

                                        68b19c3e693b2344b42f8f9c3cfeaf58

                                        SHA1

                                        60862f63e2144500306bb5a558ff908835d7b70f

                                        SHA256

                                        7b3fdf9b77b5c9d80d4103246eda88f07126a155800f45260e2aad44e1962a7b

                                        SHA512

                                        6aca667bcfe0ad0ac8c2557cf5a091d16d19d77c47da73524b8497fed16c19a401b836ea011e3d0a3845abb5e5eda7f42623bfdb173a2427a8cf1cc719e0fe07

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

                                        Filesize

                                        208B

                                        MD5

                                        3e714c48f162d5992372dca3b55a17cd

                                        SHA1

                                        636603613c97b2ef7c872c5090113cae87362859

                                        SHA256

                                        53bbe8686c436bc3db708721e33a5a4351002576327ac703eacac55a4b3700c9

                                        SHA512

                                        fa8d2a46b5a1589d7c6fb28d884dc4cb2b1b70ed3231ce721f158870c6f0b3e2718ed3a2f0734574f003faf42535d264bf90dbb13f3ff3e493afedf9dacbb3fc

                                      • 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\01-16-2025

                                        Filesize

                                        224B

                                        MD5

                                        1cec93f53dbb8e4da12ba244dc289fe9

                                        SHA1

                                        1afbfc831c60a8bf560b98496344bf9c027bebbd

                                        SHA256

                                        5681c34846ebc641620a70cbf1acb3fd8f3a07f77d66b84ef166929d0d29ffd9

                                        SHA512

                                        5a3238e9f8f05b60b126b57a8e35481487471c9ee6ced0f652bb3965d3dc0a7b14db64121c4893f6f5db94e23c5aa49ef033e490a35dc5557685c19147e4be0a

                                      • C:\Users\Admin\AppData\Roaming\Logs\01-16-2025

                                        Filesize

                                        224B

                                        MD5

                                        6dc898810137cbf4d1d1f1a50d09c650

                                        SHA1

                                        fbf98d7a44ea2ad8be0796f2d3190d3e9502c68f

                                        SHA256

                                        f91da18a5856d2d020d933ca9ae01aff6c92618a9fd5cf3fb2c7a72aee6be68f

                                        SHA512

                                        dbfe68c297a667d33d407e9aa5dc33bd89f5d2c06a26d7fb422584a1db07421f49d500789632d45b89604c50f46c4757cc778e09eb210d6204e72a95e7fe0098

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        c860be4e089a934336287d686c41dd12

                                        SHA1

                                        9b5511a021543c2adb385acb5890c30404cf7bc7

                                        SHA256

                                        75a7de08594c78181b9679006a1fd26f8fe44c720f972edc74c825c2d653e9ba

                                        SHA512

                                        c849b35109d5034acf1c176bc3b7965df60fcb6054f8f5adf199f50c045235f605a321937fdc8a552ee8c7e6c3dc21a673b01cedb5f840f47e9ebfa8ed531fa5

                                      • memory/216-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/216-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/456-34-0x0000000005400000-0x0000000005492000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/456-37-0x0000000006610000-0x000000000664C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/456-36-0x00000000060D0000-0x00000000060E2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/456-35-0x00000000054A0000-0x0000000005506000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/456-31-0x00000000059B0000-0x0000000005F54000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/456-30-0x0000000000AA0000-0x0000000000AFE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/456-19-0x00000000734EE000-0x00000000734EF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/748-45-0x00000000060E0000-0x00000000060EA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4068-20-0x00000000041E0000-0x00000000041E1000-memory.dmp

                                        Filesize

                                        4KB