Analysis

  • max time kernel
    22s
  • max time network
    435s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 11:04

General

  • Target

    964221e2d1782fa804dc6e965ee4f920N.exe

  • Size

    2.0MB

  • MD5

    964221e2d1782fa804dc6e965ee4f920

  • SHA1

    be0fcc6e0e64cee8bf68ca0f8665b06dc26933e6

  • SHA256

    b3c2f56de0655f102fe52ba1aec7369f7a79bf37f563c5f1efe41211d26b2d09

  • SHA512

    ab4a683dc080d1c0f5f584a20631255d47e2745305c5e116f89e5cdb636f611fd8cf28b62acca95a8ab4c224a9bc62b21208b81722383323d1357da777305bc6

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYu:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y0

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 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 7 IoCs
  • Enumerates connected drives 3 TTPs 46 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 6 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 13 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 8 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\964221e2d1782fa804dc6e965ee4f920N.exe
    "C:\Users\Admin\AppData\Local\Temp\964221e2d1782fa804dc6e965ee4f920N.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:3664
    • 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:2468
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:5000
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 548
          3⤵
          • Program crash
          PID:4972
      • 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:4820
        • 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:4756
        • 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:388
          • 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:4828
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\p5jtVWp0ofp5.bat" "
            4⤵
              PID:2664
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2136
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2740
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1416
                    • 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:5088
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JJtE5OweMEwf.bat" "
                      6⤵
                        PID:4488
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3288
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4548
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 2212
                          6⤵
                          • Program crash
                          PID:4380
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 388 -s 1188
                      4⤵
                      • Program crash
                      PID:3556
                • C:\Users\Admin\AppData\Local\Temp\964221e2d1782fa804dc6e965ee4f920N.exe
                  "C:\Users\Admin\AppData\Local\Temp\964221e2d1782fa804dc6e965ee4f920N.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:1928
                • 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:2476
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2468 -ip 2468
                1⤵
                  PID:3496
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Enumerates connected drives
                  • Suspicious use of SetThreadContext
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of WriteProcessMemory
                  PID:2776
                  • 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:1340
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:2244
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 520
                        3⤵
                        • Program crash
                        PID:3992
                    • 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
                      PID:2660
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                      2⤵
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      PID:4852
                    • 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:2276
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 1200
                      2⤵
                      • Program crash
                      PID:3056
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1340 -ip 1340
                    1⤵
                      PID:4780
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 388 -ip 388
                      1⤵
                        PID:2796
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1416 -ip 1416
                        1⤵
                          PID:1524
                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                          1⤵
                            PID:436
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:2292
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2776 -ip 2776
                              1⤵
                                PID:4992
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                1⤵
                                  PID:1004
                                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                                    2⤵
                                      PID:388
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k
                                        3⤵
                                          PID:2200
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -u -p 388 -s 520
                                          3⤵
                                          • Program crash
                                          PID:3352
                                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                                        2⤵
                                          PID:728
                                          • 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:5108
                                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                            3⤵
                                              PID:4488
                                              • 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:2436
                                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                            2⤵
                                              PID:1192
                                            • 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:2780
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 388 -ip 388
                                            1⤵
                                              PID:468

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            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\JJtE5OweMEwf.bat

                                              Filesize

                                              208B

                                              MD5

                                              1a5ef3727eb479937653b9c97e4758a2

                                              SHA1

                                              1b0266994ecfee51bea1942b5317768554acbec8

                                              SHA256

                                              f3d1008983c7fc079ce2ec486d27646446bf76378b280c9a07f0c84686104c13

                                              SHA512

                                              14c618dcb585798112e1e01e8bd356e149037cc71d89b7b471037aaff0a2a0d49f12792d4647e585fb347dad8d314182fb4fcfc95e0b76f79d702abc4c53ab45

                                            • C:\Users\Admin\AppData\Local\Temp\p5jtVWp0ofp5.bat

                                              Filesize

                                              208B

                                              MD5

                                              1c96f6c9f54cfd3b1b188a9bc3b55149

                                              SHA1

                                              90be3cc24106c4bd62fcd19805d5fd73ba0e12fd

                                              SHA256

                                              4eb87d49223d30ed148215c7b914425bc6aab9c6d50ac9d7c853eda6d82006c9

                                              SHA512

                                              c2afb244c696f8977d9c85c9f6f9dc570f794db18dbd57c3482d252e3ffb4890a2b9775f451da96fe6dadd9a97f0896330e5e40cbb58ef4029193b5e814a096a

                                            • 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\09-12-2024

                                              Filesize

                                              224B

                                              MD5

                                              544377751fe3b7a58bc9c9359115b6c8

                                              SHA1

                                              dc90733ec6a0c262846b911792a9f160605a9b51

                                              SHA256

                                              6f3e4c58da649fd053a0fd0b3176cc9ede2181f44f4ab10725a22ecf721cc60e

                                              SHA512

                                              e5e28caf3f0a28b6783d5563626d910e7251c466e0b179d4c2ef9c956a2b4f417bd542fd910f8e50fa257240c310666d84de950586144479adca577fba2b4b6e

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

                                              Filesize

                                              2.0MB

                                              MD5

                                              79fc4b0890b7bcfe814f38e7a83016d3

                                              SHA1

                                              e84383f1da035f588f0f54abeec93e7c3c5c7c82

                                              SHA256

                                              83f9072ce9392cec01f6119fa84e3b6c2954c72654e4ef576efff24ab674e476

                                              SHA512

                                              c2abf45a33b384674fb3fbffdd34efdb967a127ffba61251dcdb6413d734b6837b1a28bd8f47e43c91c82b00476e3b7bbe9a917df4ca33b400cebb2951de6e02

                                            • memory/388-45-0x00000000069B0000-0x00000000069BA000-memory.dmp

                                              Filesize

                                              40KB

                                            • memory/1928-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/1928-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/3664-19-0x0000000003E80000-0x0000000003E81000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/4820-35-0x0000000005500000-0x0000000005566000-memory.dmp

                                              Filesize

                                              408KB

                                            • memory/4820-36-0x0000000005440000-0x0000000005452000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/4820-37-0x0000000006600000-0x000000000663C000-memory.dmp

                                              Filesize

                                              240KB

                                            • memory/4820-34-0x0000000005460000-0x00000000054F2000-memory.dmp

                                              Filesize

                                              584KB

                                            • memory/4820-33-0x0000000005970000-0x0000000005F14000-memory.dmp

                                              Filesize

                                              5.6MB

                                            • memory/4820-30-0x0000000000AA0000-0x0000000000AFE000-memory.dmp

                                              Filesize

                                              376KB

                                            • memory/4820-29-0x00000000732BE000-0x00000000732BF000-memory.dmp

                                              Filesize

                                              4KB