Analysis

  • max time kernel
    5s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2024 01:27

General

  • Target

    9cd53b67ffc5d720f598cad4364a9d66aea3781cb8fb1f5bf97dc939b4f00b87.exe

  • Size

    2.0MB

  • MD5

    29d986c356c45b3710217431f23e4c11

  • SHA1

    4e474d9290013775f93c48b6e2a1193d90db7393

  • SHA256

    9cd53b67ffc5d720f598cad4364a9d66aea3781cb8fb1f5bf97dc939b4f00b87

  • SHA512

    592417dcf3d23a4ae28dd9f7f85edbe2c614f67da81be3ebef22305c9675ab9b490e5d2d4c52d88e08e8d25d01d17fef15954af059d4ae25fe18be2ac7e15c5a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yr

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\9cd53b67ffc5d720f598cad4364a9d66aea3781cb8fb1f5bf97dc939b4f00b87.exe
    "C:\Users\Admin\AppData\Local\Temp\9cd53b67ffc5d720f598cad4364a9d66aea3781cb8fb1f5bf97dc939b4f00b87.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:3348
    • 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:4356
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4540
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 540
          3⤵
          • Program crash
          PID:3148
      • 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:2244
        • 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:4572
        • 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:1960
          • 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:2100
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ARt2o6gLI0UA.bat" "
            4⤵
              PID:3000
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3128
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4100
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3308
                    • 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:3396
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JMraDsezLWy1.bat" "
                      6⤵
                        PID:3292
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4748
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4464
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:316
                              • 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:4080
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3308 -s 2232
                            6⤵
                            • Program crash
                            PID:2068
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 2000
                        4⤵
                        • Program crash
                        PID:1692
                  • C:\Users\Admin\AppData\Local\Temp\9cd53b67ffc5d720f598cad4364a9d66aea3781cb8fb1f5bf97dc939b4f00b87.exe
                    "C:\Users\Admin\AppData\Local\Temp\9cd53b67ffc5d720f598cad4364a9d66aea3781cb8fb1f5bf97dc939b4f00b87.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4176
                  • 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:672
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4356 -ip 4356
                  1⤵
                    PID:4184
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1960 -ip 1960
                    1⤵
                      PID:4472
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4812
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4308
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4900
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4308 -s 520
                                3⤵
                                • Program crash
                                PID:4820
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:368
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3784
                                • 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:2036
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4308 -ip 4308
                                1⤵
                                  PID:4628
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3308 -ip 3308
                                  1⤵
                                    PID:2292
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3416
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:384
                                      • C:\Windows\system32\dwm.exe
                                        "dwm.exe"
                                        1⤵
                                          PID:2964

                                        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\ARt2o6gLI0UA.bat

                                          Filesize

                                          208B

                                          MD5

                                          68a173ea4eedd2f6242c7bf1555c1d53

                                          SHA1

                                          8bc3fe42d98a05966c4cf9aa3eb33f650e1d3913

                                          SHA256

                                          9002ab88db5b29f0c086d7a5296cdd2e3cf5f9565827bf639dbb6086c6174b7d

                                          SHA512

                                          09992302b3cb59b743eadc79f090b499dbb201e0265703efc06125e13418919b137f00912770892ab08678cee2a58d5f0e57ee497039c59f2a22bd9b0f2b398d

                                        • C:\Users\Admin\AppData\Local\Temp\JMraDsezLWy1.bat

                                          Filesize

                                          208B

                                          MD5

                                          dd37b51db064042db51b80ce3db1fe58

                                          SHA1

                                          05ce34cf22635036d035af815fbf156af2963cca

                                          SHA256

                                          6ca98154fab1560f29374e790d6556f1e1eff27c6345675a7675f3aef13b2561

                                          SHA512

                                          3b91ffd732f246081ca5a0535c3529c12250eb45619780b7267afa5bb788f1bd3e3e6676738bb40df2c85ea70835811f9cfb9e49db5e57c2e2777062f30cbf0f

                                        • 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\12-08-2024

                                          Filesize

                                          224B

                                          MD5

                                          f699464b34a26f28c4a8602db99f0480

                                          SHA1

                                          6c6269cc559b9d17354725dfe406923f7ee6c53b

                                          SHA256

                                          732e2f4e2214da0e2f8d7e445f7f89fc62644a6b306a1d30ce293196fc9200ab

                                          SHA512

                                          f0d8293f1f82d56a01cd71febc676cc0e53ac147d04e7219d98c1dfdea05209b1cdff14f7b89da5be0d60431dac693b9178bb3011dd2ac36c6679a866aace515

                                        • C:\Users\Admin\AppData\Roaming\Logs\12-08-2024

                                          Filesize

                                          224B

                                          MD5

                                          223b67d8dc473fec22fe5a5167fe53b4

                                          SHA1

                                          e2685004ad6bcd7c9856a6f1d1224f26f8fc3027

                                          SHA256

                                          02f2806dfee5973f2ac628555747f6c015d60560cb0e8ed59b6ddbd60fb41917

                                          SHA512

                                          509b62f1efcdab3490eb7b61055c4be70bf487b9d4560387d30447d92ca6864267947d3e9778c6e4c36867373425cf384ead9c1698151153b7da91f4f58f0d22

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          8d01ecf9b1ce9996cf9eabb9818a0a6a

                                          SHA1

                                          315f69ec7886b9c8fce4f538632daf1e1127d0be

                                          SHA256

                                          b44091d9d8fd4b46be4b249c6dd091d97c128ac818984e67d9d3442f1ed0d1f0

                                          SHA512

                                          e26922fb41018a2f82d48007936307768471bf238ac24e5169976becf4fbb0758b91b10ca44cf1b911af67c8ebd36119fb90f3d8b0befcf322c6bd3b6460a21c

                                        • memory/1960-45-0x0000000006D90000-0x0000000006D9A000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/2244-34-0x0000000004E50000-0x0000000004EE2000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/2244-36-0x00000000052F0000-0x0000000005302000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2244-37-0x0000000005FE0000-0x000000000601C000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/2244-35-0x0000000004DD0000-0x0000000004E36000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/2244-33-0x0000000005310000-0x00000000058B4000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/2244-30-0x0000000000470000-0x00000000004CE000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/2244-19-0x0000000072ABE000-0x0000000072ABF000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3348-20-0x0000000003A40000-0x0000000003A41000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4176-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4176-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB