Analysis

  • max time kernel
    4s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 21:59

General

  • Target

    d998c458abbdf37ca12a59f1de27d15891499227258a8f09749aa18fba06c4b5N.exe

  • Size

    2.0MB

  • MD5

    0d8dec265b01d95ff12a6c68569120b0

  • SHA1

    5d6ad904fd08842d88ea108a3b4c768d5be3e5dd

  • SHA256

    d998c458abbdf37ca12a59f1de27d15891499227258a8f09749aa18fba06c4b5

  • SHA512

    20f380fe4b896e71bd7e80639c4e565a28bf14407cf075f0f33cb80b9340090a236c60657a81141f3a85c1a07d2e092b4cc9fb80567e4db9630b072f9c673a77

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYq:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yk

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 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 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 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d998c458abbdf37ca12a59f1de27d15891499227258a8f09749aa18fba06c4b5N.exe
    "C:\Users\Admin\AppData\Local\Temp\d998c458abbdf37ca12a59f1de27d15891499227258a8f09749aa18fba06c4b5N.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:4740
    • 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:1636
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1812
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 548
          3⤵
          • Program crash
          PID:2788
      • 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:932
        • 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:4388
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
            PID:2676
            • 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:4992
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GPmzVOeDtjDO.bat" "
              4⤵
                PID:4760
                • C:\Windows\SysWOW64\chcp.com
                  chcp 65001
                  5⤵
                    PID:4752
                  • C:\Windows\SysWOW64\PING.EXE
                    ping -n 10 localhost
                    5⤵
                    • System Network Configuration Discovery: Internet Connection Discovery
                    • Runs ping.exe
                    PID:644
                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                    5⤵
                      PID:1160
                      • 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:2792
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GnyFZTg9EfQW.bat" "
                        6⤵
                          PID:4744
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            7⤵
                              PID:4936
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              7⤵
                              • System Network Configuration Discovery: Internet Connection Discovery
                              • Runs ping.exe
                              PID:452
                            • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                              "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                              7⤵
                                PID:1100
                                • 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:3972
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1160 -s 1768
                              6⤵
                              • Program crash
                              PID:3824
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 2220
                          4⤵
                          • Program crash
                          PID:1288
                    • C:\Users\Admin\AppData\Local\Temp\d998c458abbdf37ca12a59f1de27d15891499227258a8f09749aa18fba06c4b5N.exe
                      "C:\Users\Admin\AppData\Local\Temp\d998c458abbdf37ca12a59f1de27d15891499227258a8f09749aa18fba06c4b5N.exe"
                      2⤵
                      • System Location Discovery: System Language Discovery
                      PID:2408
                    • 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:3672
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1636 -ip 1636
                    1⤵
                      PID:3092
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2064
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2708
                            • 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 2708 -s 520
                                3⤵
                                • Program crash
                                PID:896
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2844
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3708
                                • 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:1868
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2708 -ip 2708
                                1⤵
                                  PID:3600
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2676 -ip 2676
                                  1⤵
                                    PID:4684
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1160 -ip 1160
                                    1⤵
                                      PID:3752

                                    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\GnyFZTg9EfQW.bat

                                      Filesize

                                      208B

                                      MD5

                                      7056289d2def539eeecd3d1418916aed

                                      SHA1

                                      0fdb9c57c0f7f9b4c591a524e1ba611a341c6759

                                      SHA256

                                      f3e39b590d49786184c706e94e7395a26a699a4abc7fb414a827034f327899f8

                                      SHA512

                                      2c891e041bcf557ed6245f2b62dce8c4b1389457f0cb8e0f23720eb40594e24a59c9f697492ee19d20ab5e98d85733e455f35fdfd528643889ecc5e9fcbf9206

                                    • 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\11-26-2024

                                      Filesize

                                      224B

                                      MD5

                                      9bc460f0d39fe66d8dfa49af25a740f4

                                      SHA1

                                      b366e12b252ebc40faa6f2a5577236204a695fb8

                                      SHA256

                                      be9336d71aa007ed132d39efbd51f4be57baed18950e1c6bc78cb15087866c6f

                                      SHA512

                                      a1273aff70ac23416893facdd6e9f4a0d50461fb43d40d7800f827ffbc412792b29dc5ce0339418a25ab40c5bb8f3a6a65510a07c33afd17ee4ca8ac5d5b4f6b

                                    • C:\Users\Admin\AppData\Roaming\Logs\11-26-2024

                                      Filesize

                                      224B

                                      MD5

                                      dd1f4987eed2a2bb24abffb63d4be0a8

                                      SHA1

                                      95b07bd549ff24e8032e243acf34d2abce81ec60

                                      SHA256

                                      9ffcdb9960a89885b73c78bb8c56d3f743bc780b3643274027b75e92b4c1aa98

                                      SHA512

                                      e458928df3ffc4aa81e72113864fd12cb0cb8491205d3ba5bfa922c8f7406afcb82ee6161fc47054b567bf3f9a496107f85b34fe180c007623658331e62b1d20

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      aad74076c6faf60dbd61a28830dd8f5b

                                      SHA1

                                      538389fd40f387994e8919f43da240fab11fede7

                                      SHA256

                                      7f00250076d0dde6cec44f75c767ba4ab8d81a7731d1a317876495408d3dc906

                                      SHA512

                                      575c18f253cb24d76abfa7540c8c98fa959fee29fffd592bd2761e5fe9ab15957c7d07dcb089d8d3a8f684ce2c955e2200c28cb53595239c618d184f3b605f81

                                    • memory/932-36-0x0000000005980000-0x0000000005992000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/932-35-0x00000000055D0000-0x0000000005636000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/932-34-0x0000000005530000-0x00000000055C2000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/932-37-0x0000000006770000-0x00000000067AC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/932-33-0x00000000059C0000-0x0000000005F64000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/932-30-0x0000000000C00000-0x0000000000C5E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/932-29-0x000000007309E000-0x000000007309F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2408-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2408-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2676-45-0x0000000006620000-0x000000000662A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/3708-67-0x0000000000810000-0x0000000000830000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3708-73-0x0000000000810000-0x0000000000830000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4740-19-0x0000000003A40000-0x0000000003A41000-memory.dmp

                                      Filesize

                                      4KB