Analysis

  • max time kernel
    6s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 01:29

General

  • Target

    981934aad8f0c0c54faeebf7b46e07a92aed5f2b370d9efdc97b299f78ced80e.exe

  • Size

    2.0MB

  • MD5

    3d45e810ab946e8a5916eb219533c996

  • SHA1

    210ac59fd930b10393e4a62fb07f87c97ca7db41

  • SHA256

    981934aad8f0c0c54faeebf7b46e07a92aed5f2b370d9efdc97b299f78ced80e

  • SHA512

    54a75569abcf13b7849e3adefea742802c0c909ff4af473a3179e04873d114a5a98ef611232a523e0d3023c588c27d3934063fb153fcfc0756cc1592613935ad

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYI:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

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

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 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\981934aad8f0c0c54faeebf7b46e07a92aed5f2b370d9efdc97b299f78ced80e.exe
    "C:\Users\Admin\AppData\Local\Temp\981934aad8f0c0c54faeebf7b46e07a92aed5f2b370d9efdc97b299f78ced80e.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:4764
    • 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:1212
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1820
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 556
          3⤵
          • Program crash
          PID:1380
      • 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:4720
        • 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:2468
        • 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:3716
          • 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:4248
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\uRmkRxfaOR19.bat" "
            4⤵
              PID:4792
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1516
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3056
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4152
                    • 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:2452
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 2236
                  4⤵
                  • Program crash
                  PID:1216
            • C:\Users\Admin\AppData\Local\Temp\981934aad8f0c0c54faeebf7b46e07a92aed5f2b370d9efdc97b299f78ced80e.exe
              "C:\Users\Admin\AppData\Local\Temp\981934aad8f0c0c54faeebf7b46e07a92aed5f2b370d9efdc97b299f78ced80e.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:432
            • 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:4792
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1212 -ip 1212
            1⤵
              PID:3632
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:4376
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:4292
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:2728
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 520
                        3⤵
                        • Program crash
                        PID:1220
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:4344
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        2⤵
                          PID:2648
                        • 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:3960
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4292 -ip 4292
                        1⤵
                          PID:4736
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3716 -ip 3716
                          1⤵
                            PID:1508
                          • 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:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:4772

                              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\uRmkRxfaOR19.bat

                                Filesize

                                208B

                                MD5

                                f987b9813bf63287aefde805235cb927

                                SHA1

                                060931d5b656dfe8de20dd0cad814f3ecc393287

                                SHA256

                                bf4f56fa9862a6fa7feb2deb0e3b47ad7a4e6b4e929ed4b6f444debe30e53112

                                SHA512

                                e0932adcf1c9cc9ab79ebb6024b85c1851db79714b4e58879a1fcb5551b31b4cd667a98f6430ee18f1ffd399a17576b779d172db058c5edd2de70223265cd26c

                              • 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\12-09-2024

                                Filesize

                                224B

                                MD5

                                ea9533b7bad1fcec301745d5b6bafaae

                                SHA1

                                2bb37ac92ac9751430b860059c0448276e8f0ab8

                                SHA256

                                51c372ca6237877b559a3cb50ec4cc51da7ba59b0d89265d03e2efa4639d1247

                                SHA512

                                c43540aeab2918de744069aa025428b680c528657188626cd5ec33e38987d455ed563945e70b7611aedbdb36940099bdd718207f4ce4bf30eafc9ddca1162139

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

                                Filesize

                                2.0MB

                                MD5

                                eecdbc5242afa39a16a96cb3c473a616

                                SHA1

                                940f28a0381f929fed47ef3934bdac8d13a39523

                                SHA256

                                e82d4e8d37b0ef5554e48e5dc7bf7cadbe6ff5ebd352c1eab073ad67bf4821f6

                                SHA512

                                831fd4f7f654de4d4004b18782939b7e6e6e6e6980736e570c6b77fe5011f5af93f848bcd0cd17ef5ae69e41cc95124f4f9185393ad0ed347453457bf824c7c9

                              • memory/432-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/432-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/3716-44-0x0000000006BB0000-0x0000000006BBA000-memory.dmp

                                Filesize

                                40KB

                              • memory/4720-33-0x0000000004CE0000-0x0000000004D72000-memory.dmp

                                Filesize

                                584KB

                              • memory/4720-34-0x0000000004D80000-0x0000000004DE6000-memory.dmp

                                Filesize

                                408KB

                              • memory/4720-35-0x0000000005960000-0x0000000005972000-memory.dmp

                                Filesize

                                72KB

                              • memory/4720-36-0x0000000005EA0000-0x0000000005EDC000-memory.dmp

                                Filesize

                                240KB

                              • memory/4720-32-0x0000000005290000-0x0000000005834000-memory.dmp

                                Filesize

                                5.6MB

                              • memory/4720-31-0x00000000001F0000-0x000000000024E000-memory.dmp

                                Filesize

                                376KB

                              • memory/4764-18-0x0000000004130000-0x0000000004131000-memory.dmp

                                Filesize

                                4KB

                              • memory/4764-80-0x0000000075370000-0x0000000075376000-memory.dmp

                                Filesize

                                24KB

                              • memory/4764-81-0x00000000752E0000-0x00000000752E8000-memory.dmp

                                Filesize

                                32KB