Analysis

  • max time kernel
    5s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-08-2024 01:33

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 3 IoCs

    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 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\2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.exe
    "C:\Users\Admin\AppData\Local\Temp\2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.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:3852
    • 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:5112
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4492
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 548
          3⤵
          • Program crash
          PID:1592
      • 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:4476
        • 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:3868
        • 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:4448
          • 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:4600
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ZAfIU05lAXvg.bat" "
            4⤵
              PID:2796
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2424
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:768
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:760
                    • 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:1792
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8MhalAAHKokV.bat" "
                      6⤵
                        PID:5116
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1932
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2716
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3544
                              • 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:1040
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 760 -s 1976
                            6⤵
                            • Program crash
                            PID:3532
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 1084
                        4⤵
                        • Program crash
                        PID:5112
                  • C:\Users\Admin\AppData\Local\Temp\2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.exe
                    "C:\Users\Admin\AppData\Local\Temp\2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2628
                  • 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:460
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5112 -ip 5112
                  1⤵
                    PID:4652
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:2148
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4572
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:5092
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 520
                              3⤵
                              • Program crash
                              PID:5000
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3504
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:1768
                              • 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:3156
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4572 -ip 4572
                              1⤵
                                PID:3148
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4448 -ip 4448
                                1⤵
                                  PID:4716
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 760 -ip 760
                                  1⤵
                                    PID:3588
                                  • C:\Windows\system32\WerFault.exe -u -p 2780 -s 788
                                    1⤵
                                      PID:3008
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4956
                                      • C:\Windows\system32\dwm.exe
                                        "dwm.exe"
                                        1⤵
                                          PID:228
                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                          1⤵
                                            PID:4360
                                          • C:\Windows\system32\dwm.exe
                                            "dwm.exe"
                                            1⤵
                                              PID:2064
                                            • C:\Windows\system32\dwm.exe
                                              "dwm.exe"
                                              1⤵
                                                PID:464
                                              • C:\Windows\system32\dwm.exe
                                                "dwm.exe"
                                                1⤵
                                                  PID:4688
                                                • C:\Windows\system32\dwm.exe
                                                  "dwm.exe"
                                                  1⤵
                                                    PID:3080
                                                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                    1⤵
                                                      PID:3472
                                                    • C:\Windows\system32\dwm.exe
                                                      "dwm.exe"
                                                      1⤵
                                                        PID:3024
                                                      • C:\Windows\system32\dwm.exe
                                                        "dwm.exe"
                                                        1⤵
                                                          PID:1180
                                                        • C:\Windows\system32\sihost.exe
                                                          sihost.exe
                                                          1⤵
                                                            PID:3188
                                                          • C:\Windows\system32\sihost.exe
                                                            sihost.exe
                                                            1⤵
                                                              PID:3828

                                                            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\8MhalAAHKokV.bat

                                                              Filesize

                                                              208B

                                                              MD5

                                                              893c4ba264b9e9da094fa5c8d91e2325

                                                              SHA1

                                                              f4f4574cc481befb8a96f80b7ab316cc3f22c280

                                                              SHA256

                                                              4a2ae756dee6d8c508678afbb20382cebd49e7812a6e1d8270a7462383072afb

                                                              SHA512

                                                              7fdc1666106e4b14e025117cf20b0c243fbe2ccf552d9dbb46818327d097e745cced57d29b3e9632472dc5740eccaafc2280f13769aa4bbb2b5f0b4163d26050

                                                            • C:\Users\Admin\AppData\Local\Temp\ZAfIU05lAXvg.bat

                                                              Filesize

                                                              208B

                                                              MD5

                                                              7c825c9554e2cdc02934b5445a73fe60

                                                              SHA1

                                                              f4116a5dc07f6fd940f79b41d6fe16a32f199fd7

                                                              SHA256

                                                              6780502b3fcd40628235aa6ee3b6eeb5850b7e987ce43f6504310c2f09f21c07

                                                              SHA512

                                                              9d7caae20e5ed524a87b3aa637e2f80f84ab295d31a0f8cd450a299cb05587264e2c372e970d43d6ec6f78a127b1e9fb30634bb20012dff6b99d007e6c190355

                                                            • 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\08-25-2024

                                                              Filesize

                                                              224B

                                                              MD5

                                                              0f08025155193f93ca693a1616225efa

                                                              SHA1

                                                              ad8f3e62c1ffd5d4c0277ce2e675619c997cf998

                                                              SHA256

                                                              5888a0f2ae276066d9ed42cf88fd136ae91d7133305086ecf61947a876b12cdf

                                                              SHA512

                                                              48cf87e434479fe548e40fbf76c5f3fe9227da9b09d3d5dfe3c5f02ff42b6ae5e55d34bf74315b930fa436da2921b2e3039bbb0eebe1689645f0febef9890504

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

                                                              Filesize

                                                              2.0MB

                                                              MD5

                                                              0c9655e88e89d086934bb3e56b970b45

                                                              SHA1

                                                              62a080b9dac3da5c272958984ddaa71855f3937c

                                                              SHA256

                                                              eeb8b87fa112252011f6aaeacc959575ab1a007283aacc1a6b20f834d0736f38

                                                              SHA512

                                                              e3df65975f57869529b60e145b6034d7a8716e0abf2a7ffd3edf59b668cce34cbaeac592c190e06c7f29230cf4c3577c9d6067d91d831075355f2f237347e6c7

                                                            • memory/1768-67-0x0000000000600000-0x0000000000620000-memory.dmp

                                                              Filesize

                                                              128KB

                                                            • memory/1768-73-0x0000000000600000-0x0000000000620000-memory.dmp

                                                              Filesize

                                                              128KB

                                                            • memory/2148-92-0x0000000075560000-0x0000000075633000-memory.dmp

                                                              Filesize

                                                              844KB

                                                            • memory/2628-28-0x00000000001D0000-0x00000000001F0000-memory.dmp

                                                              Filesize

                                                              128KB

                                                            • memory/2628-20-0x00000000001D0000-0x00000000001F0000-memory.dmp

                                                              Filesize

                                                              128KB

                                                            • memory/3852-19-0x0000000003FC0000-0x0000000003FC1000-memory.dmp

                                                              Filesize

                                                              4KB

                                                            • memory/4448-45-0x0000000006C10000-0x0000000006C1A000-memory.dmp

                                                              Filesize

                                                              40KB

                                                            • memory/4476-29-0x000000007303E000-0x000000007303F000-memory.dmp

                                                              Filesize

                                                              4KB

                                                            • memory/4476-37-0x00000000061E0000-0x000000000621C000-memory.dmp

                                                              Filesize

                                                              240KB

                                                            • memory/4476-36-0x0000000005CA0000-0x0000000005CB2000-memory.dmp

                                                              Filesize

                                                              72KB

                                                            • memory/4476-35-0x0000000004FA0000-0x0000000005006000-memory.dmp

                                                              Filesize

                                                              408KB

                                                            • memory/4476-34-0x0000000005020000-0x00000000050B2000-memory.dmp

                                                              Filesize

                                                              584KB

                                                            • memory/4476-33-0x00000000055D0000-0x0000000005B74000-memory.dmp

                                                              Filesize

                                                              5.6MB

                                                            • memory/4476-30-0x0000000000650000-0x00000000006AE000-memory.dmp

                                                              Filesize

                                                              376KB