Analysis

  • max time kernel
    3s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-02-2025 07:10

General

  • Target

    0e81ed439bec31e745664f9fcf18d9d72aa845fdbec0dc36aeb4fd03fe11068aN.exe

  • Size

    2.0MB

  • MD5

    97422bf67d1b746db1347b70d91b5fc0

  • SHA1

    714d2b3ff3dd1c003548e177b121dce25554253f

  • SHA256

    0e81ed439bec31e745664f9fcf18d9d72aa845fdbec0dc36aeb4fd03fe11068a

  • SHA512

    7d5cdb27e31fdf71c1c5ba9d7cb1f977d0c6db9fd8b81018d6f2b1be3948bdc600ba7f59726606f5c2909092ca05429d74051bef4591937ca94473fdacd3599a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yd

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 4 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 3 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 3 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 1 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 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e81ed439bec31e745664f9fcf18d9d72aa845fdbec0dc36aeb4fd03fe11068aN.exe
    "C:\Users\Admin\AppData\Local\Temp\0e81ed439bec31e745664f9fcf18d9d72aa845fdbec0dc36aeb4fd03fe11068aN.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:5068
    • 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:4448
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1904
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 548
          3⤵
          • Program crash
          PID:4000
      • 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:3588
        • 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:4680
        • 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
          PID:1064
          • 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:1096
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tFEEyK7PyaDP.bat" "
            4⤵
              PID:4868
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1292
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4168
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2608
                    • 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:3608
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 2268
                  4⤵
                  • Program crash
                  PID:708
            • C:\Users\Admin\AppData\Local\Temp\0e81ed439bec31e745664f9fcf18d9d72aa845fdbec0dc36aeb4fd03fe11068aN.exe
              "C:\Users\Admin\AppData\Local\Temp\0e81ed439bec31e745664f9fcf18d9d72aa845fdbec0dc36aeb4fd03fe11068aN.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:4112
            • 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:3812
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4448 -ip 4448
            1⤵
              PID:2096
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:3232
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:4180
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:864
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4180 -s 520
                        3⤵
                        • Program crash
                        PID:100
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:4520
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        2⤵
                          PID:4704
                        • 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:3316
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4180 -ip 4180
                        1⤵
                          PID:3916
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1064 -ip 1064
                          1⤵
                            PID:2736
                          • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
                            "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI4IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NDY1NTI3NDU5Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
                            1⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            PID:4264
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:2540
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:924

                              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\tFEEyK7PyaDP.bat

                                Filesize

                                208B

                                MD5

                                ee26ace0bb11ad52ecd21013e219415f

                                SHA1

                                ef609f28bcfba5a5d6a9701a0b2e4cb79c7fe62d

                                SHA256

                                c5b74c65618a33154cbc376bee3b8ea2f1ecc48173d216495ac6e21b2938a5f3

                                SHA512

                                0c1a36aa6a02c11654c87c583d088b36770fc5f393e46fc8e9d3fcf9ba91e072039494de1c8b781ab2d10b7b4901d731d449f260cf19a3ce0adf3ab0a1f14855

                              • 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\02-16-2025

                                Filesize

                                224B

                                MD5

                                690133713397b40551d5cbdc522ed54b

                                SHA1

                                1cbbacf71f0e5c1d5856b56fabd6a40d8618ad6f

                                SHA256

                                0d58acb4b3991dacda58bca1910e27f8bf06c389c880e6f14092b5c9523913f5

                                SHA512

                                05d13ae55f0a86f3eb316c897fab4f73b19010221e0ed7fa2c48022c8bf44cae5af8f0f5eb1e75841ca76178f8868cb0930dd51bc1cdbd0a2196dabee431e9e2

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

                                Filesize

                                2.0MB

                                MD5

                                e50214404a51bc25496075e5880c0b0a

                                SHA1

                                81aacbc1ce9c73c3f44f784f0d9542fdf7f85689

                                SHA256

                                841f4119f68653d7aba39aef9e49143ecb5f71dc0ffb2f049db30b4c50943912

                                SHA512

                                7a99fc7d3e4e96827b90457e0dadae4176515c9861b5d95dd5b170447bdb46d1161a9f638f9db66be83787cfe7c2638fd8bf0fa073bf2d38bfec1b858a8ef1c8

                              • memory/1064-45-0x0000000006B30000-0x0000000006B3A000-memory.dmp

                                Filesize

                                40KB

                              • memory/3588-34-0x0000000005900000-0x0000000005992000-memory.dmp

                                Filesize

                                584KB

                              • memory/3588-33-0x0000000005EB0000-0x0000000006454000-memory.dmp

                                Filesize

                                5.6MB

                              • memory/3588-35-0x00000000059A0000-0x0000000005A06000-memory.dmp

                                Filesize

                                408KB

                              • memory/3588-36-0x0000000005E30000-0x0000000005E42000-memory.dmp

                                Filesize

                                72KB

                              • memory/3588-37-0x0000000006B20000-0x0000000006B5C000-memory.dmp

                                Filesize

                                240KB

                              • memory/3588-30-0x0000000000FC0000-0x000000000101E000-memory.dmp

                                Filesize

                                376KB

                              • memory/3588-19-0x0000000072D0E000-0x0000000072D0F000-memory.dmp

                                Filesize

                                4KB

                              • memory/4112-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/4112-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/5068-20-0x0000000004760000-0x0000000004761000-memory.dmp

                                Filesize

                                4KB