Analysis

  • max time kernel
    5s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 19:27

General

  • Target

    2286022158c06d125069d9b67bf9cd92103ded9766a34223eec22d4afbea8098.exe

  • Size

    2.0MB

  • MD5

    6455707048e4074c71d0b58d63f2c485

  • SHA1

    fca6aebb1eaac4e375647613fddf0e44d86b50be

  • SHA256

    2286022158c06d125069d9b67bf9cd92103ded9766a34223eec22d4afbea8098

  • SHA512

    d359d45dcd469a4e103ac043989111eeceda0ccdd1a05d5915a747f666187c323ad3b95e96188f98c5c49dd3df94ba4e8735e794e1cfaf104d46d5437579e2f6

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYy:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YM

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • 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 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 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 12 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 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2286022158c06d125069d9b67bf9cd92103ded9766a34223eec22d4afbea8098.exe
    "C:\Users\Admin\AppData\Local\Temp\2286022158c06d125069d9b67bf9cd92103ded9766a34223eec22d4afbea8098.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:628
    • 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:2776
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1808
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 556
          3⤵
          • Program crash
          PID:5112
      • 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:1568
        • 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:3548
        • 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:4252
          • 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:4976
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Y6ZOtITYBn2g.bat" "
            4⤵
              PID:3916
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2940
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2248
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:5064
                    • 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:4504
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YUlewNVUWkFo.bat" "
                      6⤵
                        PID:4400
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2972
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3688
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3152
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 5064 -s 2296
                            6⤵
                            • Program crash
                            PID:4076
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4252 -s 1204
                        4⤵
                        • Program crash
                        PID:3216
                  • C:\Users\Admin\AppData\Local\Temp\2286022158c06d125069d9b67bf9cd92103ded9766a34223eec22d4afbea8098.exe
                    "C:\Users\Admin\AppData\Local\Temp\2286022158c06d125069d9b67bf9cd92103ded9766a34223eec22d4afbea8098.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1580
                  • 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:2348
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2776 -ip 2776
                  1⤵
                    PID:5092
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                    • Checks computer location settings
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of WriteProcessMemory
                    PID:2028
                    • 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:4176
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:4700
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 488
                          3⤵
                          • Program crash
                          PID:2540
                      • 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:4844
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        2⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3560
                      • 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:684
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4176 -ip 4176
                      1⤵
                        PID:1800
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4252 -ip 4252
                        1⤵
                          PID:536
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 5064 -ip 5064
                          1⤵
                            PID:3600
                          • C:\Windows\system32\dwm.exe
                            "dwm.exe"
                            1⤵
                              PID:744
                            • C:\Windows\system32\dwm.exe
                              "dwm.exe"
                              1⤵
                                PID:940
                              • C:\Windows\system32\dwm.exe
                                "dwm.exe"
                                1⤵
                                  PID:3564
                                • C:\Windows\system32\dwm.exe
                                  "dwm.exe"
                                  1⤵
                                    PID:3856
                                  • C:\Windows\system32\dwm.exe
                                    "dwm.exe"
                                    1⤵
                                      PID:1536

                                    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\Y6ZOtITYBn2g.bat

                                      Filesize

                                      208B

                                      MD5

                                      be3eacf8f6c3c55add48f47a51c57274

                                      SHA1

                                      b9d9a124c43390442c9405fc5333c0ed232c9cf5

                                      SHA256

                                      ca8ac599aa0ebf15ca73d558e55b1cb92003d13c4b1f9ec023c7a22beb3daed8

                                      SHA512

                                      8817b1e786dec069fcbee34ac9ecfb7f28326f581612c6ed58328f1ed950c79a3ce957b3f8c472f37c6e5eb71d21953c6d5676cc68e92186e9d1775568e7c805

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

                                      Filesize

                                      208B

                                      MD5

                                      8253c9a2d1229d2d7f6ff25a072054e6

                                      SHA1

                                      230224d46164e78a3730903fa8f63d323e5c7717

                                      SHA256

                                      0164c1807c4fe065c4d8c19423249614ba4df6a4af0ad5ffd204a59c03c99546

                                      SHA512

                                      b8d5fa9f6e6cc8f75b6320c8783f9246dd6a188912778538e1d6cb3147786a05fc19bc358e27cd6cdf41520df46fc84de576aacd0b7015a0b5bf0cace548145c

                                    • 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\09-14-2024

                                      Filesize

                                      224B

                                      MD5

                                      fc62825c0fe2d589ba15fc202240f261

                                      SHA1

                                      82e6f90bd06e3b08dbdb676ccdaa07a2d3f2f6c9

                                      SHA256

                                      57757283ac4a68ab8204d8b22f03a12dedcdcfddd34c93eea476fd276a25c9af

                                      SHA512

                                      8bdebacb8f66f6966ac6f2f6b960ac6dc2364f5df7c5a8961dee6bee0ed17614c787951ff3f00e9be7c3fd89ea0f35c0f1308f58648455d8ea007e191c3f9cb1

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      0ebeefe1af50c584d7bc2418afa9f0a3

                                      SHA1

                                      441c98c4f3d0120ce4bb657c4040911d885cae1e

                                      SHA256

                                      098469643cb190784bde7f49fdaed4ccd6ce696001665cda98ca7f94bf510382

                                      SHA512

                                      88ef85443b99c1a41acfa55c4177feefdef6c13c493d7d5e7864d7ec48b19a5f30ec92ad53684b96a573aea6842107208e287c128d56c60283e9f2258f94065e

                                    • memory/628-18-0x00000000027A0000-0x00000000027A1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1568-32-0x0000000005B00000-0x00000000060A4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/1568-35-0x0000000006450000-0x0000000006462000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1568-36-0x0000000006990000-0x00000000069CC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/1568-34-0x0000000005740000-0x00000000057A6000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/1568-33-0x00000000056A0000-0x0000000005732000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/1568-31-0x0000000000BD0000-0x0000000000C2E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/1580-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1580-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3560-72-0x0000000000BD0000-0x0000000000BF0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3560-66-0x0000000000BD0000-0x0000000000BF0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4252-47-0x0000000006FD0000-0x0000000006FDA000-memory.dmp

                                      Filesize

                                      40KB