Analysis

  • max time kernel
    5s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 23:25

General

  • Target

    747a3b577a33fbe1cf3351ebed502b57a1fe97ecc4ba450ef269f5ca25b748f4N.exe

  • Size

    2.0MB

  • MD5

    5ac6db8fcde40b25a1adb7865ea492b0

  • SHA1

    4e5f16c7e809c489f92d24bb70bda88a3e8c4d43

  • SHA256

    747a3b577a33fbe1cf3351ebed502b57a1fe97ecc4ba450ef269f5ca25b748f4

  • SHA512

    6948faceb1abdb9a0bc6a220a060e9ee64358442213b5f670784d602fa3c1b981f0f441b9972fbffab3f8ce7cb3158b7316f8e540d6f3b275a849703c03fefc1

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYp:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y/

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.

  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • 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\747a3b577a33fbe1cf3351ebed502b57a1fe97ecc4ba450ef269f5ca25b748f4N.exe
    "C:\Users\Admin\AppData\Local\Temp\747a3b577a33fbe1cf3351ebed502b57a1fe97ecc4ba450ef269f5ca25b748f4N.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:2924
    • 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:3860
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3860 -s 552
          3⤵
          • Program crash
          PID:3124
      • 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:2956
        • 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:1612
        • 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:1600
          • 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:4084
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1q437nU6J0ep.bat" "
            4⤵
              PID:1020
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4336
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3592
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:5068
                    • 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:2480
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\a17LOwacTHUf.bat" "
                      6⤵
                        PID:4900
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3316
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4788
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3688
                              • 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:4804
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 2224
                            6⤵
                            • Program crash
                            PID:2804
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 2216
                        4⤵
                        • Program crash
                        PID:5020
                  • C:\Users\Admin\AppData\Local\Temp\747a3b577a33fbe1cf3351ebed502b57a1fe97ecc4ba450ef269f5ca25b748f4N.exe
                    "C:\Users\Admin\AppData\Local\Temp\747a3b577a33fbe1cf3351ebed502b57a1fe97ecc4ba450ef269f5ca25b748f4N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4076
                  • 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:4184
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3860 -ip 3860
                  1⤵
                    PID:1404
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1600 -ip 1600
                    1⤵
                      PID:4684
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2184
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4216
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2052
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 520
                                3⤵
                                • Program crash
                                PID:3124
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:432
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3228
                                • 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:4324
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4216 -ip 4216
                                1⤵
                                  PID:1672
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5068 -ip 5068
                                  1⤵
                                    PID:2368
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4240
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:4288

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      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\1q437nU6J0ep.bat

                                        Filesize

                                        208B

                                        MD5

                                        32465522ab0cdfb20b3f5e20f1f94811

                                        SHA1

                                        3b1b0bdcac0446cc658713e99c96c0ef4f11bc10

                                        SHA256

                                        e883b24bc6724b8580b752b44477f3f763068aa34736dbfbca92224319a26873

                                        SHA512

                                        5761f8a9969b6deba59033a11779817acc225d16a6b354c4beb1d29a6c90d801602b768d82696a72138f007c689bc57750ff91cdbb3b442b7dd672ee07e2999d

                                      • C:\Users\Admin\AppData\Local\Temp\a17LOwacTHUf.bat

                                        Filesize

                                        208B

                                        MD5

                                        fafe9be17135ed6deb6880751da9c111

                                        SHA1

                                        1faac59e4a6b0faee6b1ed2640f9e6de6dc94234

                                        SHA256

                                        af613f0e37bec701f8e0f66cadce8c0934daa5b8df1582ab7281ed75675fe4a6

                                        SHA512

                                        17ddc758e522836a95bd5a62d2c0e9275edd6c92dbb052d1536954d968d30e69933e5ed56bef7d4477d5154f4bfe9974d2dc5aaaab8a5f856d1e59ceb35fca3c

                                      • 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\09-27-2024

                                        Filesize

                                        224B

                                        MD5

                                        7c8b393bd11e05b064c62efe4360a24a

                                        SHA1

                                        cf3f1cc3bc8db0bc952d78b731474eefc64b59e6

                                        SHA256

                                        7f917d9c113b8347386d86273f5065a05b6a8a327a332f1b516309fc11ee95c9

                                        SHA512

                                        9cab379d2828aab77e48980db140a09a207dd6777a67c9ecf3cd9e56043d8dc853b71f263caf7a989001b3eb9c910f53478280d39f1353044b4614b466e98705

                                      • C:\Users\Admin\AppData\Roaming\Logs\09-27-2024

                                        Filesize

                                        224B

                                        MD5

                                        15318b4fad97fb0404e8498900326a77

                                        SHA1

                                        3d40843eb1345d8d658849553dfd02affb33da37

                                        SHA256

                                        0e55eb300c01b93a20dfb5a82a9e6d26a6e2dec2b4558ffb755dd9f597c3bb98

                                        SHA512

                                        74d1583016b886eda9f897b29dca24e24f7bd47c2c511cfc2e3b6b255e9e8566dc5914a14d7aba13167868feb4c5b9d7cff7fa0899b3ae2b2917242fcb8311f0

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        0ac3f4880c9faad69da1593afc92460c

                                        SHA1

                                        dc2f759514481f3d1b9069c3d1e3e120f838fdf0

                                        SHA256

                                        0412b2b94169cb7576a2cbc43f057400bdeb2259b689dbee95531fc994afc388

                                        SHA512

                                        006058ae7030b81b57c9f4de2ee13e32db58809ec3367fa0b0b3191a3d0c8f1e3cd26c690e252a645fac5af56802c4b530a7f24c611b810cd65925c9e4cc11b4

                                      • memory/1600-45-0x0000000005F40000-0x0000000005F4A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2924-19-0x0000000000D80000-0x0000000000D81000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2956-29-0x00000000733BE000-0x00000000733BF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2956-37-0x0000000006B80000-0x0000000006BBC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/2956-36-0x0000000005D80000-0x0000000005D92000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2956-35-0x0000000005A50000-0x0000000005AB6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2956-34-0x0000000005940000-0x00000000059D2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2956-33-0x0000000005DB0000-0x0000000006354000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/2956-30-0x0000000000EC0000-0x0000000000F1E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4076-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4076-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB