Analysis

  • max time kernel
    5s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-08-2024 02:25

General

  • Target

    bb229311d94e5d3c475a01e496ed93f68eac22f5c362fb34165d08a47f5c65c9.exe

  • Size

    2.0MB

  • MD5

    60c77bd6f8153ff0468fc96258f3ae47

  • SHA1

    3f2fd4e6f1e6f12d31d63ba88b545ed878526df1

  • SHA256

    bb229311d94e5d3c475a01e496ed93f68eac22f5c362fb34165d08a47f5c65c9

  • SHA512

    fd3dc7734cca2743aaf33f34f0a33dbc97d1f23b036992e91a184387fad7fa729d7135e2571a49e6411b7f101ba1bdb66bc072504eba8d0b3e0a2a4c44113d83

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YN

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 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\bb229311d94e5d3c475a01e496ed93f68eac22f5c362fb34165d08a47f5c65c9.exe
    "C:\Users\Admin\AppData\Local\Temp\bb229311d94e5d3c475a01e496ed93f68eac22f5c362fb34165d08a47f5c65c9.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:3484
    • 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:640
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3328
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 548
          3⤵
          • Program crash
          PID:4340
      • 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:312
        • 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:1296
        • 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:3780
          • 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:428
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\eydYZm8p9GGB.bat" "
            4⤵
              PID:4664
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4712
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4612
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4716
                    • 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:5024
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VEEQWJ5kkgfR.bat" "
                      6⤵
                        PID:4300
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3876
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:624
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4568
                              • 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:720
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4716 -s 2220
                            6⤵
                            • Program crash
                            PID:3980
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 1984
                        4⤵
                        • Program crash
                        PID:2656
                  • C:\Users\Admin\AppData\Local\Temp\bb229311d94e5d3c475a01e496ed93f68eac22f5c362fb34165d08a47f5c65c9.exe
                    "C:\Users\Admin\AppData\Local\Temp\bb229311d94e5d3c475a01e496ed93f68eac22f5c362fb34165d08a47f5c65c9.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2552
                  • 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:3932
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 640 -ip 640
                  1⤵
                    PID:3892
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3780 -ip 3780
                    1⤵
                      PID:3876
                    • C:\Windows\system32\backgroundTaskHost.exe
                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                      1⤵
                        PID:1296
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        1⤵
                          PID:652
                          • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                            "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                            2⤵
                              PID:3636
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k
                                3⤵
                                  PID:4992
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 3636 -s 520
                                  3⤵
                                  • Program crash
                                  PID:4248
                              • C:\Users\Admin\AppData\Local\Temp\windef.exe
                                "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                                2⤵
                                  PID:4872
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:3652
                                  • 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:4084
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3636 -ip 3636
                                  1⤵
                                    PID:464
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4716 -ip 4716
                                    1⤵
                                      PID:2640
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1832
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:4604

                                        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\VEEQWJ5kkgfR.bat

                                          Filesize

                                          208B

                                          MD5

                                          fc2a9a80fb70ff2cd50520292b76b07f

                                          SHA1

                                          06cdc4e4811b732f44ffa91697dd4c490494fc48

                                          SHA256

                                          c58ae2890b7c0862aacfa286d2e5b9c540f917613d2859ec62479db6bbc4b1b2

                                          SHA512

                                          03726a488dd4525c5de1d1851f22e165f1c9dde67d198d87e6fe5a322db87d2a511fec3d0cf7b3a6ad55726df43a9d3e90fd42e9380c312fa4451969a15909f9

                                        • C:\Users\Admin\AppData\Local\Temp\eydYZm8p9GGB.bat

                                          Filesize

                                          208B

                                          MD5

                                          6ad2e1c5d7d00d6a825fef8bedb31e4b

                                          SHA1

                                          88840d8d9368523ba8ac00768749dde3294b2d86

                                          SHA256

                                          6d5f63185d89f6eacacd7b884bb8dda70cdf8448be4e8d051404e5995f2357ce

                                          SHA512

                                          bf87de265c5705e8e1b90595625178bec887012624cd5599a1da969feba03bfe3715218579bcb0b0d571c76c5684d1da40ba250e93bbedb46d938365fd9ede3e

                                        • 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\08-29-2024

                                          Filesize

                                          224B

                                          MD5

                                          5ac6642df1072474e20272c89905bbdf

                                          SHA1

                                          3f981af08dad72af8e84a3148507fe2b58761582

                                          SHA256

                                          b0044119387cf86ee5490f7ea776ab60d76a878adae1c329bad2a7f2e394dc72

                                          SHA512

                                          be5a0f96bc13e745aacb589c98b03a49257611835e32d117a9f808cf515ddb9f25cc4977c5cbb9ac87b5c2ae890ca889153a90b2a2c920034164b4c698efab83

                                        • C:\Users\Admin\AppData\Roaming\Logs\08-29-2024

                                          Filesize

                                          224B

                                          MD5

                                          1eafdbb5e49f6256359181f0260c5d9d

                                          SHA1

                                          88b9ad2974d3c07522e89da618b9d36f59613d4b

                                          SHA256

                                          a092fbf99c5e0b0f60a74a7adcc91fac24bf9b66d21e3ed72ff5c69c7445eff8

                                          SHA512

                                          cbdca5f5f29a6392d08feeea34116c89e2008288215dc461036be4b2a06e14982102bf348aea197068c23425844d35bd6d71109d3dd046c43dc97e4df9af53b7

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          f1b2cf495ae3e48342980fa7dd59f239

                                          SHA1

                                          01b0b5b144a1c5ab709bf642ee3d9bff3a1be384

                                          SHA256

                                          04fb6cd6412106ec8d03f60c9c1fbf0dd08ee972be30ec33838da05f8c10ed63

                                          SHA512

                                          1934e451b53adcdfd8c6a5fe06c1c46cef9b642ec95709b1c96d141b08e1ad3695f450bb3cee73b97042c43641b4f29fa1fc552757f2e2a1cd1dce7a8d5b8e73

                                        • memory/312-29-0x00000000734EE000-0x00000000734EF000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/312-35-0x0000000004F80000-0x0000000004FE6000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/312-36-0x0000000005CE0000-0x0000000005CF2000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/312-37-0x0000000006220000-0x000000000625C000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/312-34-0x0000000004ED0000-0x0000000004F62000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/312-33-0x0000000005530000-0x0000000005AD4000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/312-32-0x00000000005A0000-0x00000000005FE000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/2552-28-0x0000000000470000-0x0000000000490000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2552-20-0x0000000000470000-0x0000000000490000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3484-18-0x0000000004420000-0x0000000004421000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3652-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3652-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3780-45-0x0000000006B40000-0x0000000006B4A000-memory.dmp

                                          Filesize

                                          40KB