Analysis

  • max time kernel
    6s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-01-2025 13:05

General

  • Target

    3ef7a2f1d060f050b9c979d7f1257b48000f2228221963fa24aa37fb703a1fc9.exe

  • Size

    2.0MB

  • MD5

    26dd4843ac07ce279ede80af797454f0

  • SHA1

    a62bf5ce5ffd33cad66c8c134ba215082aedd81a

  • SHA256

    3ef7a2f1d060f050b9c979d7f1257b48000f2228221963fa24aa37fb703a1fc9

  • SHA512

    85caff9b20456ad3ac5a654dd56f34a5508236d96cc84c4cfe92ce085adfaad1094c9770cc2501390c3b1dd642b4158ee8b5e28ce940f5dbca89902269e5ee7e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYZ: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 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\3ef7a2f1d060f050b9c979d7f1257b48000f2228221963fa24aa37fb703a1fc9.exe
    "C:\Users\Admin\AppData\Local\Temp\3ef7a2f1d060f050b9c979d7f1257b48000f2228221963fa24aa37fb703a1fc9.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:3292
    • 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:3524
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3524 -s 556
          3⤵
          • Program crash
          PID:3508
      • 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:376
        • 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:532
        • 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:3492
          • 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:4736
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6nqTLqZ7vHXP.bat" "
            4⤵
              PID:4684
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:648
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3456
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2284
                    • 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:2800
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7B2jOvb2GDkX.bat" "
                      6⤵
                        PID:4468
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2080
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3180
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3600
                              • 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:848
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 1980
                            6⤵
                            • Program crash
                            PID:1432
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3492 -s 2252
                        4⤵
                        • Program crash
                        PID:3184
                  • C:\Users\Admin\AppData\Local\Temp\3ef7a2f1d060f050b9c979d7f1257b48000f2228221963fa24aa37fb703a1fc9.exe
                    "C:\Users\Admin\AppData\Local\Temp\3ef7a2f1d060f050b9c979d7f1257b48000f2228221963fa24aa37fb703a1fc9.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:672
                  • 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:3332
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3524 -ip 3524
                  1⤵
                    PID:3380
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3492 -ip 3492
                    1⤵
                      PID:3020
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2644
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3532
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2668
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 520
                                3⤵
                                • Program crash
                                PID:5048
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:912
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:5092
                                • 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:3804
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3532 -ip 3532
                                1⤵
                                  PID:3132
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2284 -ip 2284
                                  1⤵
                                    PID:4824
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3608
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:5016
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:2228
                                        • C:\Windows\system32\sihost.exe
                                          sihost.exe
                                          1⤵
                                            PID:1700
                                          • C:\Windows\system32\sihost.exe
                                            sihost.exe
                                            1⤵
                                              PID:3340
                                            • C:\Windows\system32\sihost.exe
                                              sihost.exe
                                              1⤵
                                                PID:4584

                                              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\6nqTLqZ7vHXP.bat

                                                Filesize

                                                208B

                                                MD5

                                                ba77255e5e65ace96d0be29ff3f2fab2

                                                SHA1

                                                d88060b474a5b6aa8f7ec754524f44f02c97387f

                                                SHA256

                                                dc39e35019209eb0abbbbf8d91fc3411fac2220320a4af4a08a9795f574a2f2a

                                                SHA512

                                                756e3ca2ee4ece55f7f24577cc7861ea330bcd047f23ec9253714886518022f3b8399a658d9a7e39fc0b4ed06dfa0847c1460b4daed0e18dfcd03e77452e19f1

                                              • C:\Users\Admin\AppData\Local\Temp\7B2jOvb2GDkX.bat

                                                Filesize

                                                208B

                                                MD5

                                                2d0ae120e5d3876667f90fe2fc30f49f

                                                SHA1

                                                0f4cb04dd27ecf6259454c52146ea3be7d5cb644

                                                SHA256

                                                ac00a3c4fd0d499d13db96406fbd886e28b7c391d6345a1423ae1a0370936233

                                                SHA512

                                                3d47e75746ddccea7104674d42ed9a32df83f9d225f9363ebd567a84b851300dcf57c008e71d6638877c8b3b6434367d8cee151c438d46e8a4765bd7d4a42be3

                                              • 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\01-08-2025

                                                Filesize

                                                224B

                                                MD5

                                                f6f5c73389581f26d333e596749e575b

                                                SHA1

                                                7e6fa942acb6854f4bed864a8408b86e7c0bd41d

                                                SHA256

                                                235c31f0e87735e4f72f1a5aacc222f1d0ef51048d6b6bfe2c8ecaf09fac005a

                                                SHA512

                                                de05b54a6157bbf497b42a6e3fd53b1751d28d4693f758cf27d5cd1ce8f3b5cc5a33efe8a1e92e921256cde0d3bb1edabc7516e661ea9f01758f0e6aa7827632

                                              • C:\Users\Admin\AppData\Roaming\Logs\01-08-2025

                                                Filesize

                                                224B

                                                MD5

                                                b6dcfb0c0324311e8e1908794ee987d9

                                                SHA1

                                                c55b4e36147bc1708421a2cdf4add7404d51a017

                                                SHA256

                                                0b1e71d06c3056bfab9360ca6b6ed2009c1c6aee65c4a226015ee73c566b2083

                                                SHA512

                                                b2e000d88435a33b7f7c825907cb495aa0861a6114cd6949db648c1e8c0a844a818d8ba04be7fd7ee11ac73027631a4bc0f28848fa989e1dbf3259dc5c2d527e

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

                                                Filesize

                                                2.0MB

                                                MD5

                                                8949ea9137bc9ef6dabb26c29a04604d

                                                SHA1

                                                ee03576cfd4567d6fee647588aea8cb2183f8b3c

                                                SHA256

                                                6ecbf8ac676a2247207c5d0c4b247000e400c5c8352212d5e9a3aa8e86cbe6c9

                                                SHA512

                                                063fba077e0d1313f062d289a02ca190365ba0d1105859c7b0e5ba8a0380c08bd871074b4fb637b11ef073e5a0db2380e798060181d4ff7c3000e08beb5e63f0

                                              • memory/376-30-0x00000000002F0000-0x000000000034E000-memory.dmp

                                                Filesize

                                                376KB

                                              • memory/376-35-0x0000000004D30000-0x0000000004D96000-memory.dmp

                                                Filesize

                                                408KB

                                              • memory/376-36-0x0000000005940000-0x0000000005952000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/376-37-0x0000000005E80000-0x0000000005EBC000-memory.dmp

                                                Filesize

                                                240KB

                                              • memory/376-34-0x0000000004C60000-0x0000000004CF2000-memory.dmp

                                                Filesize

                                                584KB

                                              • memory/376-33-0x0000000005170000-0x0000000005714000-memory.dmp

                                                Filesize

                                                5.6MB

                                              • memory/376-29-0x00000000734AE000-0x00000000734AF000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/672-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                                Filesize

                                                128KB

                                              • memory/672-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                                Filesize

                                                128KB

                                              • memory/3292-19-0x0000000003F90000-0x0000000003F91000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/3492-45-0x00000000061E0000-0x00000000061EA000-memory.dmp

                                                Filesize

                                                40KB