Analysis

  • max time kernel
    5s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-08-2024 01:06

General

  • Target

    2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.exe

  • Size

    2.0MB

  • MD5

    7648bec482b7a6bb22407308c882cf12

  • SHA1

    edb98d630998a2852de05c4c2b5d9a3400f52418

  • SHA256

    2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9

  • SHA512

    085a3101e44213b06c8347cd61eca834d2b28f2506ce62e4658c1840f375b4e5faeeb54af8c6213b2fba08426536e8bf464376bff1ba8aa4f63049af07647686

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y4

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

    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 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\2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.exe
    "C:\Users\Admin\AppData\Local\Temp\2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.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:4376
    • 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:4564
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1636
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 552
          3⤵
          • Program crash
          PID:2996
      • 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:3128
        • 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:4464
        • 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:3344
          • 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:2952
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\yzFLAhongKrw.bat" "
            4⤵
              PID:1820
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1012
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3444
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2416
                    • 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:904
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3344 -s 1760
                  4⤵
                  • Program crash
                  PID:4048
            • C:\Users\Admin\AppData\Local\Temp\2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.exe
              "C:\Users\Admin\AppData\Local\Temp\2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:4668
            • 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:2944
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4564 -ip 4564
            1⤵
              PID:4032
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3344 -ip 3344
              1⤵
                PID:2976
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:4824
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:3044
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:4544
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 520
                          3⤵
                          • Program crash
                          PID:1292
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:3972
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          2⤵
                            PID:992
                          • 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:3340
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3044 -ip 3044
                          1⤵
                            PID:2712
                          • C:\Windows\system32\sihost.exe
                            sihost.exe
                            1⤵
                              PID:2976
                              • C:\Windows\explorer.exe
                                explorer.exe /LOADSAVEDWINDOWS
                                2⤵
                                  PID:2632
                              • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                1⤵
                                  PID:4564
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:2372
                                  • C:\Windows\system32\WerFaultSecure.exe
                                    "C:\Windows\system32\WerFaultSecure.exe" -protectedcrash -p 2412 -i 2412 -h 472 -j 540 -s 544 -d 0
                                    1⤵
                                      PID:1264

                                    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\yzFLAhongKrw.bat

                                      Filesize

                                      208B

                                      MD5

                                      560a2e5834bfe0e972121174c9451a9f

                                      SHA1

                                      b4dcaeb83f003298a721bc88930348942a04efb4

                                      SHA256

                                      a1df08ca681aa658cd4a81cf46140961c915f7f8fffaafc7ad7b91eaa6caea16

                                      SHA512

                                      35fafa2249c14561950f65d47261434499c8d5584c8845dc6a9868e67a06b0f5eaaeedda2531a1cc45b810b7f47360c1ce8919e3489e1fb902cbd2b5fe7de13e

                                    • C:\Users\Admin\AppData\Roaming\Logs\08-24-2024

                                      Filesize

                                      224B

                                      MD5

                                      7b28cd68f1563a573a6e0281f8e8c5b9

                                      SHA1

                                      8efef1a6323b2116d0d89fcba15a4b655808146d

                                      SHA256

                                      082e2f78be93248ed64763d000b6ee9d7b8f2812919a45e2867c5e0cdcc0c8aa

                                      SHA512

                                      473d79bfbcf8123d13f32980bb824c8c1d3a76d7d8f8a5e37ec6029c88d96770f65e096028d136b1ac2611507b89f9c4f927c266b7a5aab5873870628b175471

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      2f3a9253f0b94b8bba7941a9add65fc5

                                      SHA1

                                      b9f10aacb3947fcf28ad20f40d1efef9fa53f8a4

                                      SHA256

                                      ea09cbc65e15e5781e048d8a452fd28d60800d5a2eae5770c2be85a182811839

                                      SHA512

                                      fd6cf6b4ea5f04f96790a87b26b2dc03b0c7f0140a4689c1625dd2518eae0ff4f54e5f00b3a2e4ff800be5416a820c54fd67a2b4303d4dee7da314ed5421beca

                                    • memory/992-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/992-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3128-32-0x0000000000030000-0x000000000008E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/3128-35-0x0000000004A40000-0x0000000004AA6000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/3128-36-0x0000000005670000-0x0000000005682000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3128-37-0x0000000005BB0000-0x0000000005BEC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/3128-34-0x0000000004990000-0x0000000004A22000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/3128-33-0x0000000004E60000-0x0000000005404000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/3128-29-0x00000000732BE000-0x00000000732BF000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3344-45-0x0000000006FC0000-0x0000000006FCA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/4376-19-0x00000000012F0000-0x00000000012F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4668-28-0x0000000000D20000-0x0000000000D40000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4668-20-0x0000000000D20000-0x0000000000D40000-memory.dmp

                                      Filesize

                                      128KB