Analysis

  • max time kernel
    5s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-01-2025 07:49

General

  • Target

    bc420198a53c205a68d843dd17da4303332b97e7f045a22b742655fa858bbd36.exe

  • Size

    2.0MB

  • MD5

    932eff3ae0d69f2ba6046e6c87cafb25

  • SHA1

    47fe72b556145e0440210697bbc8b1b518ad00a5

  • SHA256

    bc420198a53c205a68d843dd17da4303332b97e7f045a22b742655fa858bbd36

  • SHA512

    b327fcb232205e9feba8f4ce17c9c17b280ef41e2059b1bf0a893dc42ecbc0e1b95b57106db2efbc986cb3130c15aa891847fd34d8f8e2398d8f1bf5045e933a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYO:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YI

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 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 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\bc420198a53c205a68d843dd17da4303332b97e7f045a22b742655fa858bbd36.exe
    "C:\Users\Admin\AppData\Local\Temp\bc420198a53c205a68d843dd17da4303332b97e7f045a22b742655fa858bbd36.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:1904
    • 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:2724
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:536
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 548
          3⤵
          • Program crash
          PID:2600
      • 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:3704
        • 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:4980
        • 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:3708
          • 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:3772
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\F3SX8ZQlZdCx.bat" "
            4⤵
              PID:3828
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:780
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3368
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4264
                    • 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:4348
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PyQ5WLOPc9gn.bat" "
                      6⤵
                        PID:5072
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4124
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:436
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3324
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4264 -s 1984
                            6⤵
                            • Program crash
                            PID:640
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 1972
                        4⤵
                        • Program crash
                        PID:1492
                  • C:\Users\Admin\AppData\Local\Temp\bc420198a53c205a68d843dd17da4303332b97e7f045a22b742655fa858bbd36.exe
                    "C:\Users\Admin\AppData\Local\Temp\bc420198a53c205a68d843dd17da4303332b97e7f045a22b742655fa858bbd36.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1972
                  • 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:864
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2724 -ip 2724
                  1⤵
                    PID:4460
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3708 -ip 3708
                    1⤵
                      PID:3504
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:5016
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3332
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3344
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 520
                                3⤵
                                • Program crash
                                PID:4120
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:3436
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2212
                                • 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:2956
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3332 -ip 3332
                                1⤵
                                  PID:1880
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4264 -ip 4264
                                  1⤵
                                    PID:4988
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3564
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1508

                                      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\F3SX8ZQlZdCx.bat

                                        Filesize

                                        208B

                                        MD5

                                        8e1868b4085d599cbdcb7d06d3fadda1

                                        SHA1

                                        bee7630789cca094ebc33f793c7f4b7853bd16b5

                                        SHA256

                                        86ab2c771b1aa217fe45bc793405db42c14d2d3bf1d46b3308ad5112c2ad3143

                                        SHA512

                                        b344b80cd9843f75b3b03700fcf2f8004e1222c8a77e2c6a5e34ce94a92c2e31d84af507290c75f61077cd4f4f91bdb4fd33d3d7147fc6370afc3120e9255c37

                                      • C:\Users\Admin\AppData\Local\Temp\PyQ5WLOPc9gn.bat

                                        Filesize

                                        208B

                                        MD5

                                        034ed7cf3bc19a3790705c8b86d70fae

                                        SHA1

                                        0ed974ac87a2c96c68d7f1b134885f2ab3be7ded

                                        SHA256

                                        fe29b6d9b59d983d20d2e697ff25d1669138d0871f299f3b46e99c7be691c131

                                        SHA512

                                        fbf99f0e7dbd41f19a2573d2cb37f6df5504df7fd20e856897d7b4434fb1c6b05036e06294f005a95faa08ebf9787e765e24092034aa1da7d360b3bc45892967

                                      • 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\01-14-2025

                                        Filesize

                                        224B

                                        MD5

                                        a54e9c822b2103294f4d7bf786583a52

                                        SHA1

                                        4c5e108e940d6adf4dd565dc42534796ff3e7cab

                                        SHA256

                                        a52d093027555a09e1916a275d010c2c68c5efde70a40ab9b34196c41d066c9b

                                        SHA512

                                        bacf51e28e0e281d901bd2cbc594871a1f1d5834c4566444d35fb831dfd8d4c3d172d3a1dedfa6110d3bf024237cc035fe54e46659a8c0034794ff19d3cdfbb6

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        accdf6deafa76dc17a4bf05a9440be58

                                        SHA1

                                        a428bc57ac3b5cf682d9509f3fd1e1d13de8a013

                                        SHA256

                                        4e44fcb74756d8adaf889ce1227e1de6d27d5b45b90489c16ee0e66b6946100b

                                        SHA512

                                        8391a8ebbc3ee094859652b0fabffeb181f013f06b4c9a497f571d2ff1c8a9ed38cdc4369c1ff73f2e84892f9d81c97cf0886a83e090f9eac6b4d3e1dd21bc77

                                      • memory/1904-18-0x0000000002210000-0x0000000002211000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1972-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1972-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3704-35-0x0000000005980000-0x0000000005992000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3704-36-0x0000000006580000-0x00000000065BC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/3704-34-0x0000000005360000-0x00000000053C6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/3704-33-0x0000000005420000-0x00000000054B2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/3704-32-0x00000000059D0000-0x0000000005F74000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3704-29-0x0000000000A00000-0x0000000000A5E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3708-44-0x0000000006930000-0x000000000693A000-memory.dmp

                                        Filesize

                                        40KB