Analysis

  • max time kernel
    6s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-10-2024 13:31

General

  • Target

    eeec820df52d72538a05989c3371c74a02622ee6da11bffefd5aef456d719e49N.exe

  • Size

    2.0MB

  • MD5

    22dcf13c8c7773b9f71214f165cd4fe0

  • SHA1

    bcbaf372629a11b3e986d0953d94b80a91124f50

  • SHA256

    eeec820df52d72538a05989c3371c74a02622ee6da11bffefd5aef456d719e49

  • SHA512

    d66efdd83bb4517a9fee2a70f3aa23f498acd3b249feaa81bf00f0346bce5c9b31dfe566bdfba84cefc7cc8d721d0858374117c1f03966a9783d02bf05a1e871

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY+: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.

  • 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\eeec820df52d72538a05989c3371c74a02622ee6da11bffefd5aef456d719e49N.exe
    "C:\Users\Admin\AppData\Local\Temp\eeec820df52d72538a05989c3371c74a02622ee6da11bffefd5aef456d719e49N.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:4680
    • 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:2604
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3604
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 548
          3⤵
          • Program crash
          PID:5028
      • 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:2728
        • 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:1640
        • 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:3224
          • 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:2236
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GPmzVOeDtjDO.bat" "
            4⤵
              PID:3692
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3616
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4352
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1472
                    • 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:1828
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JMraDsezLWy1.bat" "
                      6⤵
                        PID:3652
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:396
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4264
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1980
                              • 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:3500
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 2240
                            6⤵
                            • Program crash
                            PID:2236
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 2240
                        4⤵
                        • Program crash
                        PID:3924
                  • C:\Users\Admin\AppData\Local\Temp\eeec820df52d72538a05989c3371c74a02622ee6da11bffefd5aef456d719e49N.exe
                    "C:\Users\Admin\AppData\Local\Temp\eeec820df52d72538a05989c3371c74a02622ee6da11bffefd5aef456d719e49N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1936
                  • 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:3056
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2604 -ip 2604
                  1⤵
                    PID:224
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3224 -ip 3224
                    1⤵
                      PID:5012
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:216
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2692
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2392
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 520
                                3⤵
                                • Program crash
                                PID:2284
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4184
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:1248
                                • 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:2252
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2692 -ip 2692
                                1⤵
                                  PID:1556
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1472 -ip 1472
                                  1⤵
                                    PID:3780
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4508
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:912

                                      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\GPmzVOeDtjDO.bat

                                        Filesize

                                        208B

                                        MD5

                                        67f49622af826ecf6afc13e0dcff151b

                                        SHA1

                                        964408d954bee8c5be3ab142b543e29b56c30c61

                                        SHA256

                                        52b146c00e3e3a365641f640757bc5867a0ae16887e878b1ea446fb8cc267190

                                        SHA512

                                        7a719cf3141764c93ac0512453ac85aa3acf2ec81d2f9ac2aca94953dc1d80fbdd15ca7d65b5c0459f89e8e802b70fcac88ea6a48d6393a95e16f055cf0a4f8d

                                      • C:\Users\Admin\AppData\Local\Temp\JMraDsezLWy1.bat

                                        Filesize

                                        208B

                                        MD5

                                        dd37b51db064042db51b80ce3db1fe58

                                        SHA1

                                        05ce34cf22635036d035af815fbf156af2963cca

                                        SHA256

                                        6ca98154fab1560f29374e790d6556f1e1eff27c6345675a7675f3aef13b2561

                                        SHA512

                                        3b91ffd732f246081ca5a0535c3529c12250eb45619780b7267afa5bb788f1bd3e3e6676738bb40df2c85ea70835811f9cfb9e49db5e57c2e2777062f30cbf0f

                                      • 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\10-17-2024

                                        Filesize

                                        224B

                                        MD5

                                        0ee74d09f303c28e17ddb792e681965b

                                        SHA1

                                        92745fc6fb5353a9a799742ed015861c3f302528

                                        SHA256

                                        87541aadcb39d1aeb3b3e07cbd89820e52c262b5b4f45d0f35e239f62d640f42

                                        SHA512

                                        45764f47abe5620bfbff34849c8e8abbe13ceab919c51155c708f754ebe24b798d74d265dc30f4d879f94103df2da18b2bf821c8b8ab917cf9ed573a868db0d6

                                      • C:\Users\Admin\AppData\Roaming\Logs\10-17-2024

                                        Filesize

                                        224B

                                        MD5

                                        4fe8c91e819e4bb3af862a170a8b1cc2

                                        SHA1

                                        e8be6d4b2aa843e9da7b5c6449b194af16f8a915

                                        SHA256

                                        94a6e0bf55880524870a170df99a90648d099a20633246bf9c52e07a9f99e991

                                        SHA512

                                        2fbfdd1c38899007dbee35271c887770d04ae0d133d8a378fa71bbe3ed7095a2417f63e2bc14dbdac1775d90cb2c28cd0c9a70ba19713f144a215c2ec21da678

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        1b79e24780895235311ae1b7c2708d41

                                        SHA1

                                        049a126deb63beea672e689009374a9831a358a7

                                        SHA256

                                        511318d4b0d61e2d84d47e436ac4a88ac4814ae3c795018cdecda623f80730de

                                        SHA512

                                        de6abdfdaef270b02947cd2f0f58a3a852a93d26d2d5bf57a558c969edcbc5bfd8a0d64a4e749243c2c6bb0f608b6fa9a1e71a1d6bb76165bc6dcf3b751c4d64

                                      • memory/1248-79-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1248-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1936-28-0x0000000000450000-0x0000000000470000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1936-20-0x0000000000450000-0x0000000000470000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2728-29-0x0000000000EE0000-0x0000000000F3E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/2728-36-0x0000000006A50000-0x0000000006A8C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/2728-35-0x0000000006510000-0x0000000006522000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2728-34-0x0000000005820000-0x0000000005886000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2728-33-0x00000000058A0000-0x0000000005932000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2728-32-0x0000000005D60000-0x0000000006304000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3224-44-0x0000000006A40000-0x0000000006A4A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4680-19-0x00000000022D0000-0x00000000022D1000-memory.dmp

                                        Filesize

                                        4KB