Analysis

  • max time kernel
    5s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-01-2025 09:30

General

  • Target

    200d840c21d20cca109dc29b0b8406d3e3e78d232921b390aa476be233852040.exe

  • Size

    2.0MB

  • MD5

    f16e2230ff6d7a1863976581db265c58

  • SHA1

    7acf5fe98ea0cc3a6c5f8fa9def759601c1b6205

  • SHA256

    200d840c21d20cca109dc29b0b8406d3e3e78d232921b390aa476be233852040

  • SHA512

    1f4f31a380a775a84de49e1c47032b86394ee3eda44726dbf21b81670e37bca1658af61687a49805ad76d543771928f24e6971eb83307b46cc51bed924514f8f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYz:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YV

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 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 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 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 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\200d840c21d20cca109dc29b0b8406d3e3e78d232921b390aa476be233852040.exe
    "C:\Users\Admin\AppData\Local\Temp\200d840c21d20cca109dc29b0b8406d3e3e78d232921b390aa476be233852040.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:2204
    • 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:3760
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3760 -s 552
          3⤵
          • Program crash
          PID:3220
      • 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:4612
        • 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:1368
        • 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:880
          • 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:5000
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mjahKxRFxl7j.bat" "
            4⤵
              PID:3904
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2184
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2228
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3728
                    • 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:100
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\hboPp5hm6wk3.bat" "
                      6⤵
                        PID:4516
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4620
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1692
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4572
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 2248
                            6⤵
                            • Program crash
                            PID:3424
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 880 -s 1972
                        4⤵
                        • Program crash
                        PID:436
                  • C:\Users\Admin\AppData\Local\Temp\200d840c21d20cca109dc29b0b8406d3e3e78d232921b390aa476be233852040.exe
                    "C:\Users\Admin\AppData\Local\Temp\200d840c21d20cca109dc29b0b8406d3e3e78d232921b390aa476be233852040.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4028
                  • 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:2176
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3760 -ip 3760
                  1⤵
                    PID:5064
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:2120
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:832
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:64
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 520
                              3⤵
                              • Program crash
                              PID:2572
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:1656
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4480
                              • 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:4928
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 832 -ip 832
                              1⤵
                                PID:2384
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 880 -ip 880
                                1⤵
                                  PID:540
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3728 -ip 3728
                                  1⤵
                                    PID:5020
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3428

                                    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\hboPp5hm6wk3.bat

                                      Filesize

                                      208B

                                      MD5

                                      cb248708e89a83f840a64bc744341512

                                      SHA1

                                      f4b01e9d3be7b94fe4e74ebc6bbd03a95b92a0a6

                                      SHA256

                                      b3d3dfdb7d77e35cd5f75a3eb86f12ef3a43bc566d82cae334c2bec2d28f506c

                                      SHA512

                                      acabe9a1acbc195b191c3b5878bdc449f565137d101b85b8d6d1251fc624b0144cb17c192e216e285f41e4795fd9c06d0662065f9e98bd7f29eb893f57e8c061

                                    • C:\Users\Admin\AppData\Local\Temp\mjahKxRFxl7j.bat

                                      Filesize

                                      208B

                                      MD5

                                      ebeb9423bb1e0eaa359e9a40ed6fec5e

                                      SHA1

                                      e898634049fea45bfcf37ef9ab862b5930e3f33b

                                      SHA256

                                      2a41d3893a47185f886a4931906544af3e4531a09912ae4e5d1ce098fd02cca6

                                      SHA512

                                      ec25ddd32950d81fdf8970a6698e3fd3f10d81878c8684a7e0c7c281d84f9ad30e70ee994a26feafeabe488099e3fdf0e8a679b9c17dd18abedd1622f8ec7d2c

                                    • 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\01-17-2025

                                      Filesize

                                      224B

                                      MD5

                                      af34a9410ee8f6e7d31173fbbfec0c9b

                                      SHA1

                                      02a784eb9712f9f5317cc040058b15133a8cf4d2

                                      SHA256

                                      a054575179f9476a3d9aea5cf222e8c39785a1aa274fdd0e8010f4515f76c6f6

                                      SHA512

                                      c2a49f1ee8800d1fea0c71453655e75d260b2fa60cd1c11565f2a4664fa544c935d080d24926d34dc8a2ac7c76d6c1f42779cfe5920e671b056ac063f9f0d7c7

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      cf2cddf2dc793614b3e28cac54855adf

                                      SHA1

                                      8e0abb01c557783617aa696d799c6f21802bc83d

                                      SHA256

                                      2ea923461ec420f26971f0bec0e7873366a7fb6fe000cfde0f1025fc179fa57d

                                      SHA512

                                      62af991b7c496df9e55881b1e551ccfdf90db53658225e357a4a412067f7bc1cc147900066af1321b09190660258e8831198ceb49124a94c45a29fd2e31cab1e

                                    • memory/880-44-0x0000000006070000-0x000000000607A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2204-87-0x0000000074B30000-0x0000000074B49000-memory.dmp

                                      Filesize

                                      100KB

                                    • memory/2204-86-0x0000000074D60000-0x0000000074D88000-memory.dmp

                                      Filesize

                                      160KB

                                    • memory/2204-19-0x0000000004150000-0x0000000004151000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4028-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4028-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4480-72-0x0000000000850000-0x0000000000870000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4480-66-0x0000000000850000-0x0000000000870000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4612-31-0x0000000000400000-0x000000000045E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/4612-36-0x0000000005F80000-0x0000000005FBC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/4612-35-0x0000000005A40000-0x0000000005A52000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4612-34-0x0000000004D20000-0x0000000004D86000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/4612-33-0x0000000004DE0000-0x0000000004E72000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/4612-32-0x0000000005390000-0x0000000005934000-memory.dmp

                                      Filesize

                                      5.6MB