Analysis

  • max time kernel
    6s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-08-2024 08:37

General

  • Target

    2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.exe

  • Size

    2.0MB

  • MD5

    7648bec482b7a6bb22407308c882cf12

  • SHA1

    edb98d630998a2852de05c4c2b5d9a3400f52418

  • SHA256

    2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9

  • SHA512

    085a3101e44213b06c8347cd61eca834d2b28f2506ce62e4658c1840f375b4e5faeeb54af8c6213b2fba08426536e8bf464376bff1ba8aa4f63049af07647686

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y4

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.

  • Quasar RAT

    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 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 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 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.exe
    "C:\Users\Admin\AppData\Local\Temp\2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.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:1228
    • 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:64
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4852
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 552
          3⤵
          • Program crash
          PID:216
      • 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:3048
        • 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:4788
        • 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:4084
          • 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:5060
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7xkAxMUvYHv9.bat" "
            4⤵
              PID:460
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1724
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4356
                • 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:4220
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Xb1BspejzyTF.bat" "
                      6⤵
                        PID:2924
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:872
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3868
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 2252
                          6⤵
                          • Program crash
                          PID:4408
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 2264
                      4⤵
                      • Program crash
                      PID:720
                • C:\Users\Admin\AppData\Local\Temp\2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.exe
                  "C:\Users\Admin\AppData\Local\Temp\2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:5064
                • 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:232
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 64 -ip 64
                1⤵
                  PID:752
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4084 -ip 4084
                  1⤵
                    PID:2736
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4256
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4936
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4596
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 520
                              3⤵
                              • Program crash
                              PID:4784
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3972
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2272
                              • 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:2784
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4936 -ip 4936
                              1⤵
                                PID:1780
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4188 -ip 4188
                                1⤵
                                  PID:4312
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:1384
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4592

                                    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\7xkAxMUvYHv9.bat

                                      Filesize

                                      208B

                                      MD5

                                      f92dff6bc17a7017152ccb8ff35c7614

                                      SHA1

                                      e9fe3efee878cee63fd08b948c787fc58a711792

                                      SHA256

                                      9ac4da47e7f8754cc3efe393f0df4b60fb2033e0e896bdc86caca5ae526cdf30

                                      SHA512

                                      3e44096c9f2fe92f4d2fafa930b7469e9e1758e379430e4f9c876f4f647037a434816cb1952589cb8c36d3d78f16eaa7566ac54779b50195b4cf1cda836bd777

                                    • C:\Users\Admin\AppData\Local\Temp\Xb1BspejzyTF.bat

                                      Filesize

                                      208B

                                      MD5

                                      42704b21765156439f68aa4038812e6b

                                      SHA1

                                      2868f26229270e4bf3e93cc66aba4491bfcb5ebd

                                      SHA256

                                      a5c8bca64d8748e629c85baa0391894d046059484d1f79f3a95013b957699956

                                      SHA512

                                      fb488ffb55a182d0ea1c51c33ee058a35030335c7a8b8c171300abd7346f14cff4e2980599d8b3e404bc839e8440a10a3e4f12058d927bdc95e8488971a25084

                                    • 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\08-24-2024

                                      Filesize

                                      224B

                                      MD5

                                      74cfd3b947dedacf8450119167c56c41

                                      SHA1

                                      eab26ca570676c74eaa515b8efd3b9f094548a8a

                                      SHA256

                                      e4d31b75348fbd293db14d73848e098524264a1f9a58501d1926914dea743774

                                      SHA512

                                      eafa18c4f3a802cfd6539cc282d94141ba90f570b9bfb39bbeef79a2e41799f444eda0de3d14dd3eee7f2f2c0aa0486db60282dfcb8c81d468355139fd1d661f

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      92ff6fa0a30909be109cdceab91a71e5

                                      SHA1

                                      89dd89e01c0ccecf422371a7bd3c9dc28d8facc8

                                      SHA256

                                      b09f26c1ac3bb900dce461d1958118d780d8457df3bdf572a90279dc44610355

                                      SHA512

                                      8be016999a37dcf01f31472edab7a8c109414705dda6d4ff4ade956dbae442caf8d67f70aec878fc078f961bf846b904fb0662c2ac1b10d5d4ce8c629e1c796f

                                    • memory/1228-19-0x0000000003A90000-0x0000000003A91000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2272-79-0x0000000000310000-0x0000000000330000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2272-73-0x0000000000310000-0x0000000000330000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3048-34-0x0000000005410000-0x0000000005476000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/3048-36-0x00000000064F0000-0x000000000652C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/3048-35-0x0000000005800000-0x0000000005812000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3048-33-0x0000000005370000-0x0000000005402000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/3048-32-0x0000000005880000-0x0000000005E24000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/3048-29-0x0000000000990000-0x00000000009EE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/4084-44-0x0000000006160000-0x000000000616A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/5064-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/5064-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB