Resubmissions

16-12-2024 06:33

241216-ha7vjsylds 10

15-12-2024 22:48

241215-2rbyzs1kdz 10

Analysis

  • max time kernel
    5s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 06:33

General

  • Target

    299e2db9c107fc6e55b5fdf3cc94ceeb26fe3656237526b6f15b614c2a2d4e5cN.exe

  • Size

    2.0MB

  • MD5

    6fb49dfcb9c5989157d919612eca3340

  • SHA1

    5bed16ffcd23eb7766dae8b58cb5b5a54f2fe0bc

  • SHA256

    299e2db9c107fc6e55b5fdf3cc94ceeb26fe3656237526b6f15b614c2a2d4e5c

  • SHA512

    87ec239cd31352d248825dc6536d37d8574702a2dff3d63cdef4a2e73e0575776693bc44c83e98527ad47aeb5d1bc99de5e0eb9ad0412c163510b7a4e5953300

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYY: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.

  • Azorult family
  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • 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\299e2db9c107fc6e55b5fdf3cc94ceeb26fe3656237526b6f15b614c2a2d4e5cN.exe
    "C:\Users\Admin\AppData\Local\Temp\299e2db9c107fc6e55b5fdf3cc94ceeb26fe3656237526b6f15b614c2a2d4e5cN.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:956
    • 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:1884
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1124
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 556
          3⤵
          • Program crash
          PID:1568
      • 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:3824
        • 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:1960
        • 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:1672
          • 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:3372
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\X1PA4QJAwvdP.bat" "
            4⤵
              PID:4548
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3620
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2292
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4292
                    • 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:1768
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9lLmzzMVC31j.bat" "
                      6⤵
                        PID:3420
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1536
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4748
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:5032
                              • 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:2420
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 2280
                            6⤵
                            • Program crash
                            PID:996
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 1108
                        4⤵
                        • Program crash
                        PID:2712
                  • C:\Users\Admin\AppData\Local\Temp\299e2db9c107fc6e55b5fdf3cc94ceeb26fe3656237526b6f15b614c2a2d4e5cN.exe
                    "C:\Users\Admin\AppData\Local\Temp\299e2db9c107fc6e55b5fdf3cc94ceeb26fe3656237526b6f15b614c2a2d4e5cN.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1496
                  • 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:4836
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1884 -ip 1884
                  1⤵
                    PID:380
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1672 -ip 1672
                    1⤵
                      PID:3588
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3868
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3628
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3732
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3628 -s 520
                                3⤵
                                • Program crash
                                PID:1568
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:5080
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3604
                                • 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:3136
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3628 -ip 3628
                                1⤵
                                  PID:536
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4292 -ip 4292
                                  1⤵
                                    PID:4612
                                  • C:\Windows\system32\dwm.exe
                                    "dwm.exe"
                                    1⤵
                                      PID:2436

                                    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\9lLmzzMVC31j.bat

                                      Filesize

                                      208B

                                      MD5

                                      87a210389714c8fdd87d44af58121418

                                      SHA1

                                      53c75d5165203af8142945128682f1b0e0731c78

                                      SHA256

                                      dd58f22baed18060944ea6a9fa122d1dfd82b1640bf9dcba2f931f3f7fe8c367

                                      SHA512

                                      4b11bbe6ec30a81e3570eba1d36484edddd4f2e476705dfe3859e9affed8f4e1affd7699c199ec6fd68624ea1652b2bb3900e0f36e3b8e13100a15cf5fe22428

                                    • C:\Users\Admin\AppData\Local\Temp\X1PA4QJAwvdP.bat

                                      Filesize

                                      208B

                                      MD5

                                      f138e6bf56e9429426d12c9c830a2974

                                      SHA1

                                      e6e6133415e3e23b0b56c461b22ce87be8e9b154

                                      SHA256

                                      c4dfadcf0d60ac44da7effdfca4e896834c52e008cb46a8d85aaca594610aae0

                                      SHA512

                                      f5e4f41134bcd309c2551472ca81d2827db1226f9a71c98cb23e4ee06277f496ef44adc60244069d32c394d9340eb3cc750cf4824af278457d6f5abde31944d9

                                    • 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\12-16-2024

                                      Filesize

                                      224B

                                      MD5

                                      b4ac25db1ff7c19190370aaa91ce6a30

                                      SHA1

                                      b872556aea686b2b67f834074b60b75b6d001172

                                      SHA256

                                      402e06a7da15190c178befbc079d3a7ba0d57f22895ec4ac4bb0ac152d75cd04

                                      SHA512

                                      1199e663a8c9f15e1fbdaaab5d652efedb71f2929cee29595d3484ba86672d41fa580eee17fbeabd62108a2a11689660e2cc03ca85fb32fe225f6acb2354682c

                                    • C:\Users\Admin\AppData\Roaming\Logs\12-16-2024

                                      Filesize

                                      224B

                                      MD5

                                      2c0a65c309d4d99abd33b15e97630dcb

                                      SHA1

                                      5850971cd8c1842bc665f91eb3efd9385c3f7b74

                                      SHA256

                                      e4f41b2b9c39b2e9b6925fa02c62882e009abd5ca4ef1da4a5843bc84979ee72

                                      SHA512

                                      6296eea9c051e87294ee46ca5aaed88d8103b628520516ea5d74dec0126c8961119988e80b36691b1c0e4e7a0d98798e0a1faf8d9398a1c5bbbc46d18fa0102f

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      c75e09cb66eb2e06f6e5d96187ea8b21

                                      SHA1

                                      3d3a18df68b71bb20f935aad9e76cf47d089bd6d

                                      SHA256

                                      dd5275978657ab18427891ac53c704722001482c4b51802ddb73fa728b5d9c96

                                      SHA512

                                      45b0fb89127a7d2c0774a71a3704272f9211e8ba9d18ef9ff5692cfbc583c54e7671d4181742c3ff6327e840d7f08fec5599f821090136a89a1cceb1d24e2298

                                    • memory/956-19-0x0000000004390000-0x0000000004391000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1496-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1496-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1672-45-0x0000000006910000-0x000000000691A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/3604-74-0x00000000002D0000-0x00000000002F0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3604-80-0x00000000002D0000-0x00000000002F0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3824-29-0x0000000072CBE000-0x0000000072CBF000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3824-37-0x0000000005C50000-0x0000000005C8C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/3824-36-0x0000000005050000-0x0000000005062000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3824-35-0x00000000049F0000-0x0000000004A56000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/3824-34-0x0000000004B30000-0x0000000004BC2000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/3824-33-0x00000000050E0000-0x0000000005684000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/3824-30-0x00000000000D0000-0x000000000012E000-memory.dmp

                                      Filesize

                                      376KB