Analysis

  • max time kernel
    4s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2025 02:01

General

  • Target

    75525bc3a40352260ad303b11a0dfa3ac276a225291add89a16147b8018fce67.exe

  • Size

    2.0MB

  • MD5

    9fa761c26e404761b4f66db72de1f189

  • SHA1

    0e3273ae4bd3987876d45fa7dfea2444d801105c

  • SHA256

    75525bc3a40352260ad303b11a0dfa3ac276a225291add89a16147b8018fce67

  • SHA512

    ecc8b66efeb7ad3c96db56034cfaba6e950875deca556d9032db851a3a621f0e4846eaac930674268fe50c149ed0182fddb086a80ca809a656d3b3536e82cfcc

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYC: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

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 7 IoCs
  • Enumerates connected drives 3 TTPs 46 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 2 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 13 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75525bc3a40352260ad303b11a0dfa3ac276a225291add89a16147b8018fce67.exe
    "C:\Users\Admin\AppData\Local\Temp\75525bc3a40352260ad303b11a0dfa3ac276a225291add89a16147b8018fce67.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:4308
    • 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:3528
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1632
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 552
          3⤵
          • Program crash
          PID:1744
      • 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:4684
        • 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:3204
        • 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:4612
          • 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:1328
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Iuhx1Jui1HjX.bat" "
            4⤵
              PID:2924
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2636
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4396
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2876
                    • 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:2392
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\n5vWVjquelrS.bat" "
                      6⤵
                        PID:3696
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2340
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3432
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 1968
                          6⤵
                          • Program crash
                          PID:3680
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 1980
                      4⤵
                      • Program crash
                      PID:1040
                • C:\Users\Admin\AppData\Local\Temp\75525bc3a40352260ad303b11a0dfa3ac276a225291add89a16147b8018fce67.exe
                  "C:\Users\Admin\AppData\Local\Temp\75525bc3a40352260ad303b11a0dfa3ac276a225291add89a16147b8018fce67.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  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⤵
                  • System Location Discovery: System Language Discovery
                  • Scheduled Task/Job: Scheduled Task
                  PID:3740
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3528 -ip 3528
                1⤵
                  PID:4352
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Enumerates connected drives
                  • Suspicious use of SetThreadContext
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of WriteProcessMemory
                  PID:5012
                  • 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:4292
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 520
                        3⤵
                        • Program crash
                        PID:1204
                    • 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
                      PID:2880
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                      2⤵
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      PID:3420
                    • 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:1452
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3184 -ip 3184
                    1⤵
                      PID:1976
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4612 -ip 4612
                      1⤵
                        PID:3540
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2876 -ip 2876
                        1⤵
                          PID:2232
                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                          1⤵
                            PID:1352
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:2192

                            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\Iuhx1Jui1HjX.bat

                              Filesize

                              208B

                              MD5

                              2c5b72a9def0df50d1c50a5a9780e603

                              SHA1

                              90e12113ee8bab86033a52939ef89baa5ea0a7e3

                              SHA256

                              7f7f20102628755bf2191bade21d496717023e31c6812bca0a307ee70b99aee1

                              SHA512

                              2582b4fca7d5e85ecb7b64dcc89c2c96ab70603b970d0c2e9dc620c05c8d606dcdf7268e5fe538ac89b9f398b7bed42df36a9a5aeb6fce951c2c758272c0b12c

                            • C:\Users\Admin\AppData\Local\Temp\n5vWVjquelrS.bat

                              Filesize

                              208B

                              MD5

                              c1e18aaec5b189d0e9417a8c18e87105

                              SHA1

                              91d65354b6949bd96adc9be441dc7d38b10289d7

                              SHA256

                              48acf71ef1f56cab1c287c0f322e365a895f072a8505d09a9f65ba4083bfe1df

                              SHA512

                              ad929095148c9131b2a7c1ad124353e3e5eb68b135b9dcd5e887e467d9811b5fee39eac11140035e9be8867a37a4829c70bdf20d8a1fa8b4d1a12c5df33f5515

                            • 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\01-12-2025

                              Filesize

                              224B

                              MD5

                              e3079a4eaa1bb2d634de6117ec1540fd

                              SHA1

                              3a581ab004611703a35803c206f503c4da26ed10

                              SHA256

                              a189a04d56ff33275fb04efa432b2a3a65c49050d73d2ddd3294ed4c1db640d7

                              SHA512

                              26c41532127a7a70303ea34afc78e31822570033315803d3791cdbf755b16585d7a5508a0f1cf8ad49553b5b759358a9fa6ae550cd19cbc182272f9a3d6774ef

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

                              Filesize

                              2.0MB

                              MD5

                              dc084bff60f857e8aae04ef5f21d7b02

                              SHA1

                              ae24ce4c868fc127855f7ae0e50e710b45118f93

                              SHA256

                              e73e6dac69c3acb8b2a5aabdb460dfda11a5bcbaa7ff27fed6f104164f0ace03

                              SHA512

                              e7dd7b109d93f658e69dbc234cf38f37d786203c2c3d5cefda5965d524ce649162ff305a4ac7b9d7a8590b415c961e38a2582ff850b7b7b05f32f597377d6686

                            • memory/3092-28-0x0000000000390000-0x00000000003B0000-memory.dmp

                              Filesize

                              128KB

                            • memory/3092-19-0x0000000000390000-0x00000000003B0000-memory.dmp

                              Filesize

                              128KB

                            • memory/3420-72-0x0000000000400000-0x0000000000420000-memory.dmp

                              Filesize

                              128KB

                            • memory/3420-66-0x0000000000400000-0x0000000000420000-memory.dmp

                              Filesize

                              128KB

                            • memory/4308-18-0x00000000034B0000-0x00000000034B1000-memory.dmp

                              Filesize

                              4KB

                            • memory/4612-65-0x0000000006CF0000-0x0000000006CFA000-memory.dmp

                              Filesize

                              40KB

                            • memory/4684-36-0x00000000066A0000-0x00000000066DC000-memory.dmp

                              Filesize

                              240KB

                            • memory/4684-35-0x0000000006160000-0x0000000006172000-memory.dmp

                              Filesize

                              72KB

                            • memory/4684-34-0x0000000005450000-0x00000000054B6000-memory.dmp

                              Filesize

                              408KB

                            • memory/4684-33-0x0000000005510000-0x00000000055A2000-memory.dmp

                              Filesize

                              584KB

                            • memory/4684-32-0x0000000005990000-0x0000000005F34000-memory.dmp

                              Filesize

                              5.6MB

                            • memory/4684-31-0x0000000000B30000-0x0000000000B8E000-memory.dmp

                              Filesize

                              376KB