Analysis

  • max time kernel
    4s
  • max time network
    69s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2024 19:30

General

  • Target

    1db1e0377cc6b828f9ddd191788d026e657e7d15c304aad019f8d746dfc9bfdd.exe

  • Size

    2.0MB

  • MD5

    77aaab17261168e0809a75e21f38d48f

  • SHA1

    5a5a38361e8b749f25cc2c1c5f195b4c5da180ee

  • SHA256

    1db1e0377cc6b828f9ddd191788d026e657e7d15c304aad019f8d746dfc9bfdd

  • SHA512

    bf67f494a770d434695de00f269c28d1ed95fb8eb73ed6a04bfe74711a9b82cfddcf01a4add9243081d1c23421c91c2d07944ce7c6af000ecc2f5511ae444982

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

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 3 IoCs
  • 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\1db1e0377cc6b828f9ddd191788d026e657e7d15c304aad019f8d746dfc9bfdd.exe
    "C:\Users\Admin\AppData\Local\Temp\1db1e0377cc6b828f9ddd191788d026e657e7d15c304aad019f8d746dfc9bfdd.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2904
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:5076
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 548
          3⤵
          • Program crash
          PID:3436
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1420
        • 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:3884
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1536
          • 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:4092
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\xR3Dpo7P6p9h.bat" "
            4⤵
              PID:2544
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3132
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:3896
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3520
                    • 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:1312
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 2276
                  4⤵
                  • Program crash
                  PID:4848
            • C:\Users\Admin\AppData\Local\Temp\1db1e0377cc6b828f9ddd191788d026e657e7d15c304aad019f8d746dfc9bfdd.exe
              "C:\Users\Admin\AppData\Local\Temp\1db1e0377cc6b828f9ddd191788d026e657e7d15c304aad019f8d746dfc9bfdd.exe"
              2⤵
                PID:4824
              • 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⤵
                • Quasar RAT
                • Scheduled Task/Job: Scheduled Task
                PID:216
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5076 -ip 5076
              1⤵
                PID:2016
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1536 -ip 1536
                1⤵
                  PID:4572
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:3592
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:4528
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:4964
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 520
                            3⤵
                            • Program crash
                            PID:3684
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:4844
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:4516
                            • 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:3676
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4528 -ip 4528
                            1⤵
                              PID:60
                            • C:\Windows\system32\sihost.exe
                              sihost.exe
                              1⤵
                                PID:4728
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:1388
                                • C:\Windows\system32\sihost.exe
                                  sihost.exe
                                  1⤵
                                    PID:3024
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2784
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3124

                                      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\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\Local\Temp\xR3Dpo7P6p9h.bat

                                        Filesize

                                        208B

                                        MD5

                                        f96cc771fea336419e0bbcfdd4f80116

                                        SHA1

                                        3acb62b23791a7a84f7491d76949e296d7157ba2

                                        SHA256

                                        4fff2face606b18284ff0dadbb318a3b7b2d06d008f41dc3634674f8fcb6e403

                                        SHA512

                                        4a49facf6325d2559d599841b11f0ab2489fef0c6ab76cb17a084fd500852834cda60a77a40d95292374fe932a34c8d56327ef3cd545d30ec8609f118cff7a24

                                      • C:\Users\Admin\AppData\Roaming\Logs\07-04-2024

                                        Filesize

                                        224B

                                        MD5

                                        1541832304ffda40d3fda142f2f62ada

                                        SHA1

                                        77c5623453476e2ef2417f863bdb7d437d3297cb

                                        SHA256

                                        30b31387895ab73cbbf19e58abc380234d115fc1573a02345c41dd2c63d3add5

                                        SHA512

                                        4673793e126a32cfc276366c59243cf15fb25a4f215c301cac67b46043a4d899d3d0a5db7f64537c53ea5a74a71511b3e97ceeae54f77423b9cc189af25fa776

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        afa7d6eefbd231a43811eac2ba9e91af

                                        SHA1

                                        c1ad459a373844024a5255b672f344ac40315d0c

                                        SHA256

                                        e3f973cb48daf691517a81aed9db4c2a5d10701570891beb2cd54607ab2c5eb7

                                        SHA512

                                        9b92ccf0a024ef5248c52d761f97558b597636bec40f10bd81050f3d410b96bbd896763c4f9ac39a812f0e9bbcb9f22dc63dff83934fafa4aad76975a5d141c5

                                      • memory/1420-32-0x0000000000860000-0x00000000008BE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/1420-33-0x00000000058C0000-0x0000000005E64000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/1420-34-0x0000000005200000-0x0000000005292000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/1420-35-0x0000000005310000-0x0000000005376000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/1420-36-0x0000000005E90000-0x0000000005EA2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1420-37-0x00000000063D0000-0x000000000640C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/1420-29-0x0000000072FCE000-0x0000000072FCF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1536-45-0x0000000006980000-0x000000000698A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2904-46-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2904-28-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4824-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4824-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB