Analysis

  • max time kernel
    3s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2025 06:24

General

  • Target

    f71ff5c20bc5151ac0df6b84e655660a7f9ed8de0729c526827c599bd9f649aaN.exe

  • Size

    2.0MB

  • MD5

    f79eefb90995844a704c85e10d6acf80

  • SHA1

    57ae598f7d019def8f4efc16427d97faef61e64f

  • SHA256

    f71ff5c20bc5151ac0df6b84e655660a7f9ed8de0729c526827c599bd9f649aa

  • SHA512

    ce4b0f21c969d06c5181c1a102c95520f5234e88751d2fa376e70210da371cc75b3039774d378018cfbbc9863b1ea5e7c9aa5e5d7eeabbe1288f163088f3ccec

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYh:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yj

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.

  • Azorult family
  • Quasar RAT

    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 1 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 7 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 5 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 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f71ff5c20bc5151ac0df6b84e655660a7f9ed8de0729c526827c599bd9f649aaN.exe
    "C:\Users\Admin\AppData\Local\Temp\f71ff5c20bc5151ac0df6b84e655660a7f9ed8de0729c526827c599bd9f649aaN.exe"
    1⤵
    • 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:224
    • 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:4240
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3236
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 552
          3⤵
          • Program crash
          PID:3408
      • 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:4868
        • 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:1816
        • 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
          PID:1560
          • 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:3488
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\s8IjwR4OiJT6.bat" "
            4⤵
              PID:2956
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1432
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2888
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2264
                    • 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:4488
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VK9l0LJDNO0p.bat" "
                      6⤵
                        PID:1696
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3744
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1092
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 2232
                          6⤵
                          • Program crash
                          PID:3380
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1560 -s 1072
                      4⤵
                      • Program crash
                      PID:1128
                • C:\Users\Admin\AppData\Local\Temp\f71ff5c20bc5151ac0df6b84e655660a7f9ed8de0729c526827c599bd9f649aaN.exe
                  "C:\Users\Admin\AppData\Local\Temp\f71ff5c20bc5151ac0df6b84e655660a7f9ed8de0729c526827c599bd9f649aaN.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:1916
                • 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:5116
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4240 -ip 4240
                1⤵
                  PID:2300
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:2316
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:5064
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:4956
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 5064 -s 520
                            3⤵
                            • Program crash
                            PID:3004
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:448
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:2800
                            • 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:3652
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5064 -ip 5064
                            1⤵
                              PID:1160
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1560 -ip 1560
                              1⤵
                                PID:4664
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2264 -ip 2264
                                1⤵
                                  PID:4684
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:4988
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4144

                                    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\VK9l0LJDNO0p.bat

                                      Filesize

                                      208B

                                      MD5

                                      ba8edf28f280c62f5898cd2e8b9b8908

                                      SHA1

                                      fb0a381adb5d7315265bdadb9c6d811b3a1d9156

                                      SHA256

                                      897ef9c0fe0a9afb045b80e0684f40e3f26dc6e3fe5b7229e7bb20c0a104966e

                                      SHA512

                                      1d7a73c5590527e61a7c766f9067c0f619f67d0ccf98b0da8a5ddeb0c6a3c1a2d3d214b4fb037b9ef66ca5bdb0121ade09d3563d98aea63f289ceeb1fa8fdd0c

                                    • C:\Users\Admin\AppData\Local\Temp\s8IjwR4OiJT6.bat

                                      Filesize

                                      208B

                                      MD5

                                      18fe2e249dccf19db49f75d17df39bd1

                                      SHA1

                                      c11e5449f9dbc3875777f7a8433fe2e575b4a8bf

                                      SHA256

                                      33b622bd31671e802cd61a90c50c1aa963ba32e47376d862868dd654b5eba997

                                      SHA512

                                      be0e07fc5b590a721a7297330912067034067be7fadead7ca92aac93fafb59c8b93ad32da2bda40964eb43288c3ebfa88ede0c2e710d677f88d5dddbb89c992d

                                    • 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\01-24-2025

                                      Filesize

                                      224B

                                      MD5

                                      98b864cc66a0d0d669d5fe95875c58bf

                                      SHA1

                                      34fa75851994bf084089d9a2975360e8c5be2105

                                      SHA256

                                      e983c49195829004ae7ef78500d92ca13a807abc7ee13ab079ec711cc90066e1

                                      SHA512

                                      f520cb464b0a648eaac44c33e5c09e182e1341cf180e6fad50a3c94ec801bb13081b8cbebd91455d01f80f766260e9cdc957d065fca7b71dd5a87003056100d6

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      eefb856bf81d856e5d327c80556ae3aa

                                      SHA1

                                      11ea431ef26f2429b48949153d280ab3f607fe7d

                                      SHA256

                                      3fc32c64a9fdab0cdc8ac29aa121a0b9b5b96574edfd92653e2c01d037360cc0

                                      SHA512

                                      d94ee4a3c24d2560693fa868345192f033b8fbf34bfdc85baa11d668b5d768da3557fafad9f4f3d13ce1e3401fc29d4425959a0bf2c02e9a81740b23a7a7a337

                                    • memory/224-19-0x0000000004070000-0x0000000004071000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1560-45-0x0000000006A00000-0x0000000006A0A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/1916-20-0x0000000000AC0000-0x0000000000AE0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1916-28-0x0000000000AC0000-0x0000000000AE0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2800-67-0x0000000000390000-0x00000000003B0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2800-73-0x0000000000390000-0x00000000003B0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4868-37-0x0000000006B10000-0x0000000006B4C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/4868-36-0x00000000065D0000-0x00000000065E2000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4868-35-0x00000000057A0000-0x0000000005806000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/4868-34-0x0000000005830000-0x00000000058C2000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/4868-33-0x0000000005DE0000-0x0000000006384000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/4868-32-0x0000000000D50000-0x0000000000DAE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/4868-29-0x000000007340E000-0x000000007340F000-memory.dmp

                                      Filesize

                                      4KB