Analysis

  • max time kernel
    5s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 22:28

General

  • Target

    c1aca6d34068e5d64ce0bbfc4a95fdf51570da7c59670af9e96acaf2c1529f80N.exe

  • Size

    2.0MB

  • MD5

    6ea5bc2c7bef446b8c1b0074e916fea0

  • SHA1

    d475f750d80bafe7f17ad2acc0a6feb7afa0e637

  • SHA256

    c1aca6d34068e5d64ce0bbfc4a95fdf51570da7c59670af9e96acaf2c1529f80

  • SHA512

    dc953e0f1640efb4e53fd62e2c2c2d8150e206938c089413401cef0ad5c74bbd757c22965f062190098b988d195d9a53c2620dcd63ac0aed4bba348855afed64

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYu:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y8

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\c1aca6d34068e5d64ce0bbfc4a95fdf51570da7c59670af9e96acaf2c1529f80N.exe
    "C:\Users\Admin\AppData\Local\Temp\c1aca6d34068e5d64ce0bbfc4a95fdf51570da7c59670af9e96acaf2c1529f80N.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:4000
    • 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:3324
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:812
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3324 -s 548
          3⤵
          • Program crash
          PID:4332
      • 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:3564
        • 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:4204
        • 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:2192
          • 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:4816
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HpXjDSkKmPKG.bat" "
            4⤵
              PID:1040
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3992
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:376
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4188
                    • 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:2968
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IEjzGXmF6MXP.bat" "
                      6⤵
                        PID:4976
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3396
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2868
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1400
                              • 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:4496
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 2236
                            6⤵
                            • Program crash
                            PID:1700
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 1992
                        4⤵
                        • Program crash
                        PID:1972
                  • C:\Users\Admin\AppData\Local\Temp\c1aca6d34068e5d64ce0bbfc4a95fdf51570da7c59670af9e96acaf2c1529f80N.exe
                    "C:\Users\Admin\AppData\Local\Temp\c1aca6d34068e5d64ce0bbfc4a95fdf51570da7c59670af9e96acaf2c1529f80N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4920
                  • 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:968
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3324 -ip 3324
                  1⤵
                    PID:1972
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4416
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4652
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:1816
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 520
                              3⤵
                              • Program crash
                              PID:4888
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3508
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:3416
                              • 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:2580
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4652 -ip 4652
                              1⤵
                                PID:1056
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2192 -ip 2192
                                1⤵
                                  PID:3016
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4188 -ip 4188
                                  1⤵
                                    PID:1368
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4060

                                    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\HpXjDSkKmPKG.bat

                                      Filesize

                                      208B

                                      MD5

                                      9a28dda946d7a2ba9cb2437d107e49ca

                                      SHA1

                                      03926d3d534791570e5f920feaa622d6dff570b8

                                      SHA256

                                      0d39d2d319e4f7392121ec4f15f7304fbe1b0d00f5769f5e2b8f9d595b6fdf97

                                      SHA512

                                      768191783c54960c32beb1394cb64285fbb55b51576bcb2e79ce0e6a1f00076f1d26181386f7ff8ea088aac7f10e843000e08a3088a22edeb5902dca93b1f667

                                    • C:\Users\Admin\AppData\Local\Temp\IEjzGXmF6MXP.bat

                                      Filesize

                                      208B

                                      MD5

                                      fd89e8a92951ad091453a193e883be05

                                      SHA1

                                      279904520beb070568a43394c3e7cac116158b1e

                                      SHA256

                                      14a7a03c4e74e5c42b6940c7290175ee7efc6458ac04811c5c5305a0b096ecfb

                                      SHA512

                                      35be2eaad24d0a7a8f297f801350541350cadf728bbd6d6fceeb34fe53b668c731ac2396eb2a7f1f12127fe646d54699e6ff6d130736edd51579e21f0e17651c

                                    • 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\12-25-2024

                                      Filesize

                                      224B

                                      MD5

                                      c39aabc837e63dab855b02a08db25f2c

                                      SHA1

                                      c6d9582dbb3d1829936a275fd39fad5831873448

                                      SHA256

                                      77699620c0309d1b85210fe23b908950e6ff82bb8002cefbcb24bd3672f757bf

                                      SHA512

                                      ccce77da2c3512ffae096c2a3ec38f413a6379baa605705dab1a7fee591651c9f64a4c03bfbba780eb28c8a2abba676df652554b742efc6a7df854dff67e2159

                                    • C:\Users\Admin\AppData\Roaming\Logs\12-25-2024

                                      Filesize

                                      224B

                                      MD5

                                      6c2111f52d96164f8985be7551f04014

                                      SHA1

                                      f7f15f3249900bb22ff746255264ae2988491ff2

                                      SHA256

                                      eb04badf0726447540412f4429c456bee5d334703a70b895790c3495f3e00cf5

                                      SHA512

                                      0aa05dae75bc24931e045aeaee66909c69382e628ed7baba290f9b8cc2a4b321cd1939160a6a499c001177cefbe40b071f77ab84be40c1ec14cb19344f7780a8

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      4b1dbd7d1c3428119dc96fa9eb65a142

                                      SHA1

                                      dbab621cd68ca4f86ebd40fae1f95792be559984

                                      SHA256

                                      a72d712c9cfdf0e9b90e96696a7773225035f8073b74300e4c87745ac53df097

                                      SHA512

                                      731d37e332e81077beef16637234c71d01866ce43638833b8fad4f3907002dcd5f3604765d369c5e70defae2f1d98927482b9d1643e178ca78a461af483086a5

                                    • memory/2192-44-0x0000000006090000-0x000000000609A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/3564-34-0x00000000056D0000-0x0000000005736000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/3564-36-0x00000000067F0000-0x000000000682C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/3564-35-0x0000000005B00000-0x0000000005B12000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3564-33-0x0000000005630000-0x00000000056C2000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/3564-32-0x0000000005B40000-0x00000000060E4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/3564-31-0x0000000000C90000-0x0000000000CEE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/4000-18-0x0000000004330000-0x0000000004331000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4920-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4920-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB