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
    14-10-2024 00:49

General

  • Target

    826e029c9aeea20223d3dcd3ad31976f5d89e4cd5c21c38475a58cdc59e29700N.exe

  • Size

    2.0MB

  • MD5

    994a6ad010f19826841be4d903bec400

  • SHA1

    4abad8f214d4928845c1050095e58e1282c51814

  • SHA256

    826e029c9aeea20223d3dcd3ad31976f5d89e4cd5c21c38475a58cdc59e29700

  • SHA512

    c5e0d3d01b4da314fa2bc7db2f0769f386c3d5468436dd599a693872a88720e7cc02b31ac66baddd8cd1478e2191a65079d5afb6db659b3a46377ada76728b3c

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yg

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\826e029c9aeea20223d3dcd3ad31976f5d89e4cd5c21c38475a58cdc59e29700N.exe
    "C:\Users\Admin\AppData\Local\Temp\826e029c9aeea20223d3dcd3ad31976f5d89e4cd5c21c38475a58cdc59e29700N.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:2436
    • 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:1688
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4348
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 548
          3⤵
          • Program crash
          PID:2420
      • 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:944
        • 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:2968
        • 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:2932
          • 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:4900
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\G3nvq5gD8TQN.bat" "
            4⤵
              PID:4644
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1864
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1404
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2216
                    • 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:3216
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\jjsfZI0K4zfO.bat" "
                      6⤵
                        PID:1384
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:700
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3188
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3960
                              • 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:1216
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 1968
                            6⤵
                            • Program crash
                            PID:2132
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2932 -s 1084
                        4⤵
                        • Program crash
                        PID:968
                  • C:\Users\Admin\AppData\Local\Temp\826e029c9aeea20223d3dcd3ad31976f5d89e4cd5c21c38475a58cdc59e29700N.exe
                    "C:\Users\Admin\AppData\Local\Temp\826e029c9aeea20223d3dcd3ad31976f5d89e4cd5c21c38475a58cdc59e29700N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3208
                  • 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:1676
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1688 -ip 1688
                  1⤵
                    PID:3556
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3424
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3168
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2964
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 520
                              3⤵
                              • Program crash
                              PID:4756
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:4820
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:3204
                              • 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:4172
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3168 -ip 3168
                              1⤵
                                PID:4404
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2932 -ip 2932
                                1⤵
                                  PID:4116
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2216 -ip 2216
                                  1⤵
                                    PID:2076
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4412
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1868

                                      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\G3nvq5gD8TQN.bat

                                        Filesize

                                        208B

                                        MD5

                                        04485478cb9e9299eb7eb2ca38573f1e

                                        SHA1

                                        ba9314497314ac8183d3607aab1f0cd47aaefef6

                                        SHA256

                                        b512ad57855ce4f956d94235a743dc77d6f4372a069c64df7a4c5c48605a8a71

                                        SHA512

                                        ecbb20dce7a34569b54acbd4f4da84ece01c01787ffbe0554a7089009ca51f66b3ce6b613afe8f5c86d0c6beec90dcd2d847e42efe6e27513e50fb4f9e1199b3

                                      • C:\Users\Admin\AppData\Local\Temp\jjsfZI0K4zfO.bat

                                        Filesize

                                        208B

                                        MD5

                                        0ec466855df50d478a5cfc8cc8a7a88f

                                        SHA1

                                        37ea655e9236789e2cf20d57bb62559171565e1c

                                        SHA256

                                        66351419cc58fad55f0f968985d2f7e40260518ecd158affcf8b224ab2cf0c23

                                        SHA512

                                        ca99e8529528d07e20011e4911b104a341828fc87e8ce594d4634079367b7831ec622d7f5affe0a00fc856f44730fd51017e0db95fe414668f21cb26f475dcd0

                                      • 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\10-14-2024

                                        Filesize

                                        224B

                                        MD5

                                        bb14ea45ac7dba71b8cab8bbe16c883a

                                        SHA1

                                        97d4368d393a28c55158cf7a91092c1a16c52a12

                                        SHA256

                                        1136708e3f646a04b2c7c99f3e7140acff1136a8256a967182dab0d41a9b7862

                                        SHA512

                                        50a7ef14d4431f6ec1e7526ce12f1d23fdfb5d2e26ffdcf66c6184dcf58256be83a5731cd3c4b6b7984913d0b00706a5a919500fd2f346102b2479ce7252ac99

                                      • C:\Users\Admin\AppData\Roaming\Logs\10-14-2024

                                        Filesize

                                        224B

                                        MD5

                                        80cac78da6b815d2e5be38547b027b79

                                        SHA1

                                        8a4011a06dd1418366dfa33971da9ee6cf02444e

                                        SHA256

                                        09483464fc0b20521f3fce8aeec6bf8bfa6baf1954b3684e00619d752b9e0946

                                        SHA512

                                        81c402130775d8f85c6626e467ee208ac34dd3221138000b7f6c00d60a0c43d427d7ebe1e0671c8c10fb37846e89c12df19ba390a4d7c9a5864c7cfdb4978b0e

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        e129151d55dd5b3daaf8e913499c6a3e

                                        SHA1

                                        2ea25171f678e8cbc08edc0e864f1b49c60d8d97

                                        SHA256

                                        2ed879ffabfd97138e4989832b1e62fc7d5f30235278e520012348fd0eae12a8

                                        SHA512

                                        430b690d7c2778579f4196fbac8ba7f6042ce6a142190ed9b53ab8f11e87e8bce412b8a1a8e94b1a8b765232e7042f8ae6f5c3b7b8d2cb4780d2be4b91c8e1b9

                                      • memory/944-36-0x0000000005B90000-0x0000000005BA2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/944-35-0x0000000005800000-0x0000000005866000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/944-34-0x0000000005730000-0x00000000057C2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/944-37-0x0000000006990000-0x00000000069CC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/944-33-0x0000000005BE0000-0x0000000006184000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/944-30-0x0000000000E00000-0x0000000000E5E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/944-29-0x000000007354E000-0x000000007354F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2436-18-0x0000000003E20000-0x0000000003E21000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2932-45-0x0000000006160000-0x000000000616A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3204-67-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3204-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3208-28-0x00000000001A0000-0x00000000001C0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3208-19-0x00000000001A0000-0x00000000001C0000-memory.dmp

                                        Filesize

                                        128KB