Analysis

  • max time kernel
    5s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 16:09

General

  • Target

    a7f9aa50d1994d996533baf022e293275ab7dc27e6c039753a9ca1ac29d5f5ae.exe

  • Size

    2.0MB

  • MD5

    bbba3db918e2eb93332d6689336bf660

  • SHA1

    b913c58793097f42b7d2eeea45b0f4dd31b7379a

  • SHA256

    a7f9aa50d1994d996533baf022e293275ab7dc27e6c039753a9ca1ac29d5f5ae

  • SHA512

    ccd487931047f919ee911e0be3286b00f69d6355d4fdf89e5bf9bad7aa394b3f322a04f11c9b9afb00fdcd2f338d4302526e70a3fd3e1c80a3635e2adff14d22

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYN:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

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\a7f9aa50d1994d996533baf022e293275ab7dc27e6c039753a9ca1ac29d5f5ae.exe
    "C:\Users\Admin\AppData\Local\Temp\a7f9aa50d1994d996533baf022e293275ab7dc27e6c039753a9ca1ac29d5f5ae.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:1200
    • 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:1848
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:5100
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 556
          3⤵
          • Program crash
          PID:1588
      • 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:4304
        • 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:2708
        • 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:3168
          • 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:3212
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\aQOn6JLBQmoA.bat" "
            4⤵
              PID:1336
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3820
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2380
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4736
                    • 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:4216
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CALP1sOXhvCT.bat" "
                      6⤵
                        PID:4076
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2972
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:912
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1116
                              • 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:744
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 2252
                            6⤵
                            • Program crash
                            PID:1344
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 2284
                        4⤵
                        • Program crash
                        PID:1968
                  • C:\Users\Admin\AppData\Local\Temp\a7f9aa50d1994d996533baf022e293275ab7dc27e6c039753a9ca1ac29d5f5ae.exe
                    "C:\Users\Admin\AppData\Local\Temp\a7f9aa50d1994d996533baf022e293275ab7dc27e6c039753a9ca1ac29d5f5ae.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3204
                  • 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:5048
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1848 -ip 1848
                  1⤵
                    PID:4100
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:816
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3380
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4356
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 520
                              3⤵
                              • Program crash
                              PID:3796
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2508
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:1740
                              • 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:3980
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3380 -ip 3380
                              1⤵
                                PID:508
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3168 -ip 3168
                                1⤵
                                  PID:860
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4736 -ip 4736
                                  1⤵
                                    PID:5084
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3320
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1540

                                      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\CALP1sOXhvCT.bat

                                        Filesize

                                        208B

                                        MD5

                                        650e3c43057c69901149411c4e2f7101

                                        SHA1

                                        c2276165ca65da432749f30a733a6ac5ca1c2bb4

                                        SHA256

                                        bdf46ba75561b0fcf2f8687df010399be4c63d831b615ce01cbe9a4b70aad6ba

                                        SHA512

                                        4420aec8cb8630d01d76acedc55540ac0c184ccf24385ceef5d6f5952c353b974b4d17f5e018486a9ff09eef381d81088063b453a4062477e0b0747f40beade0

                                      • C:\Users\Admin\AppData\Local\Temp\aQOn6JLBQmoA.bat

                                        Filesize

                                        208B

                                        MD5

                                        aa41864cf74da59a9cf618f518e9bf7c

                                        SHA1

                                        380cc0ce8878534fa7e63b801414b8514c135784

                                        SHA256

                                        653ef6f739584b11c7bd0957d0d64f36c1917bc7378c7087706ccb5e7738148a

                                        SHA512

                                        26496186b79be76eac35cd75775d07f06a9a0692496b291e793ab3ad50b69cf4f29a208435e2449b607132e03249c529d78f0cb02b2c105b2a5e2d4d16787123

                                      • 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\01-21-2025

                                        Filesize

                                        224B

                                        MD5

                                        268f38076f3849ac02b1f4cbceed6301

                                        SHA1

                                        2e1a11af7db26d932f846077dfaa678b47587878

                                        SHA256

                                        3bbacdf9eec454cbe69480499635637160d934dab26afb34d8bc48725e470b94

                                        SHA512

                                        a92526b4b42eab03262fbb03610855461f702d1fcb717729ddfc63d842c1af06c4b6b79bd6ff75058363bca00eac8f8a0cbd5f0aacf3b8ffd76a1285585c96f6

                                      • C:\Users\Admin\AppData\Roaming\Logs\01-21-2025

                                        Filesize

                                        224B

                                        MD5

                                        bc7101c6f3e3c17fb3dcff04d99d3422

                                        SHA1

                                        d664ad4e5025a7452786d297a3852512268331a9

                                        SHA256

                                        ba03b00ba5187d444b03a1f474d59715bf68b75bce9123f01c18eec2def83155

                                        SHA512

                                        b57902309e7c005e6fa170884beb642be350bbc0c71a84fe4c1d65cef78b0d55b0c233bc813096a73314b797ee3ff09e0e09fe17d4c82cb6a5cf5ec218f0a531

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        5bf0119e8a3940a1c5e3c62a9aaa503d

                                        SHA1

                                        e9662d6e349128c7e821c5a78a8066fb55dfb248

                                        SHA256

                                        50875a38672f8a784688f9eb8dc56e7e09b131888aa9ab96643b6a5a0c8ecf41

                                        SHA512

                                        2d09525e8a8925a37f3934d42a96a67183e483ec1304f912ef1205c03fa50adf09c1243e32807bf225aad68f8a13c8e6e160db4771c72a96c529db5f9b87622e

                                      • memory/1200-19-0x00000000042C0000-0x00000000042C1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3168-45-0x00000000064A0000-0x00000000064AA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3204-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3204-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4304-37-0x00000000064C0000-0x00000000064FC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4304-36-0x00000000057D0000-0x00000000057E2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4304-35-0x0000000005360000-0x00000000053C6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4304-34-0x0000000005280000-0x0000000005312000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4304-33-0x0000000005830000-0x0000000005DD4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4304-30-0x0000000000950000-0x00000000009AE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4304-29-0x0000000072A8E000-0x0000000072A8F000-memory.dmp

                                        Filesize

                                        4KB