Analysis

  • max time kernel
    5s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 05:44

General

  • Target

    c332f4d57dabe228b40ae4a6003b31647cb9241658b79f681680ff5f89d68be1.exe

  • Size

    2.0MB

  • MD5

    3033d164767ec699060e7a437da7e85c

  • SHA1

    e0d86c8c42d4d1225eee24dde5a1448b02707129

  • SHA256

    c332f4d57dabe228b40ae4a6003b31647cb9241658b79f681680ff5f89d68be1

  • SHA512

    e8468d885040bb69919a1110a60ab67624028ea5c36de7b9d0baec6a078530dce65ac56a4e442a355a38bb2f73f6cf92e0a38485d16e50ba4e10fc6487a0a6ea

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYt:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YP

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 2 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 5 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 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 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c332f4d57dabe228b40ae4a6003b31647cb9241658b79f681680ff5f89d68be1.exe
    "C:\Users\Admin\AppData\Local\Temp\c332f4d57dabe228b40ae4a6003b31647cb9241658b79f681680ff5f89d68be1.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:1708
    • 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:3308
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4332
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3308 -s 544
          3⤵
          • Program crash
          PID:8
      • 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
        PID:4516
        • 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⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2244
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
            PID:5008
            • 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:3904
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\X14lLv3iN4Qz.bat" "
              4⤵
                PID:2156
                • C:\Windows\SysWOW64\chcp.com
                  chcp 65001
                  5⤵
                    PID:916
                  • C:\Windows\SysWOW64\PING.EXE
                    ping -n 10 localhost
                    5⤵
                    • System Network Configuration Discovery: Internet Connection Discovery
                    • Runs ping.exe
                    PID:4500
                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                    5⤵
                      PID:1028
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 5008 -s 2260
                    4⤵
                    • Program crash
                    PID:1432
              • C:\Users\Admin\AppData\Local\Temp\c332f4d57dabe228b40ae4a6003b31647cb9241658b79f681680ff5f89d68be1.exe
                "C:\Users\Admin\AppData\Local\Temp\c332f4d57dabe228b40ae4a6003b31647cb9241658b79f681680ff5f89d68be1.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                PID:316
              • 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:2688
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3308 -ip 3308
              1⤵
                PID:2004
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:2348
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:4796
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:3580
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4796 -s 520
                          3⤵
                          • Program crash
                          PID:4772
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:4492
                          • 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⤵
                            • Scheduled Task/Job: Scheduled Task
                            PID:4584
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            3⤵
                              PID:212
                              • 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:4804
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\iSGTj2CcOgJ1.bat" "
                                4⤵
                                  PID:2892
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 212 -s 2012
                                  4⤵
                                  • Program crash
                                  PID:4276
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2376
                              • 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:688
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4796 -ip 4796
                              1⤵
                                PID:2636
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 5008 -ip 5008
                                1⤵
                                  PID:2852
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 212 -ip 212
                                  1⤵
                                    PID:3824
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4984
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3924

                                      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\X14lLv3iN4Qz.bat

                                        Filesize

                                        208B

                                        MD5

                                        46af98355ff8524010454228ea211984

                                        SHA1

                                        432a64394563e38042822ad0fde880c354162450

                                        SHA256

                                        8c3921dc00e2494d9891ccb40cf6796afcafbbc3a7720ad47dd85610c2740c9a

                                        SHA512

                                        9f68296cffa3421ad963ac5d5bda82904414099f03bb1599948ee5c8d81859335feff0980e7865652d0224a5e283975dd604bb1676a8a25cdc9ac05bf13f890d

                                      • 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\07-26-2024

                                        Filesize

                                        224B

                                        MD5

                                        14f9e41b2595e22bb414872674419b0c

                                        SHA1

                                        06826d172d5b7760c3a81c3282176aa3a329a487

                                        SHA256

                                        86146e9a11a849f08d100ae7ee7ff26b7cae1cf632beebb3a5c31512d9b9da96

                                        SHA512

                                        350955f2d9bd065ea516b107b73fb307edcd2a4c4ffda6b12efe85921df865e7c5ecb0409001ebded18e875002950045fb051ebe93fa64f0ba8f94780f241f5e

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        30c62289e4bbe90a7d73ddc9fc59a889

                                        SHA1

                                        ea502aab8579e23f25c8ec781a010e5dffa94321

                                        SHA256

                                        dfe5b815a05eb899353931fcb664ea2098823d9fb5462d6430c2e9f002fa9863

                                        SHA512

                                        a4299b212fe17ab6d44dd282f1e00d818b5795aca79855dcb8b55410a1fa0bbcdc682567223a89a645f04891b0917a963bbe9fde9522a599ac16ca74c4d5093d

                                      • memory/316-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/316-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1708-19-0x0000000000D30000-0x0000000000D31000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4516-34-0x0000000005380000-0x0000000005412000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4516-36-0x00000000058F0000-0x0000000005902000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4516-37-0x0000000006510000-0x000000000654C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4516-35-0x00000000052E0000-0x0000000005346000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4516-33-0x00000000059E0000-0x0000000005F84000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4516-30-0x0000000000970000-0x00000000009CE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4516-29-0x00000000733BE000-0x00000000733BF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/5008-45-0x00000000061B0000-0x00000000061BA000-memory.dmp

                                        Filesize

                                        40KB