Analysis

  • max time kernel
    3s
  • max time network
    100s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-10-2024 18:37

General

  • Target

    ee053d3856b81a03ab4c2981bf526ab1c2107368792d0e68ea565bec5d2758a4N.exe

  • Size

    2.0MB

  • MD5

    c7e19de57b0ffdf49f72d73bc2d42740

  • SHA1

    204a01b3956392779343e615228bfa7124806208

  • SHA256

    ee053d3856b81a03ab4c2981bf526ab1c2107368792d0e68ea565bec5d2758a4

  • SHA512

    dbea489c9e6fb4140b3c88b84d1ca26c1eabaacca454eac6c009b643416b29f3b9559c6fed8d3518b7929d93b35a53af0fdd6cb2bce04281a9fed2a498978bec

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yl

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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 7 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee053d3856b81a03ab4c2981bf526ab1c2107368792d0e68ea565bec5d2758a4N.exe
    "C:\Users\Admin\AppData\Local\Temp\ee053d3856b81a03ab4c2981bf526ab1c2107368792d0e68ea565bec5d2758a4N.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2292
    • 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
      PID:2712
      • 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:2940
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:360
          • 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:1868
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\pWolyXgi0iQ7.bat" "
            4⤵
              PID:1748
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2380
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:424
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1952
                    • 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:1652
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\oppk6Dzu31Yr.bat" "
                      6⤵
                        PID:2924
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2236
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2756
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2008
                              • 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:1976
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 1516
                            6⤵
                            • Program crash
                            PID:2996
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 360 -s 1476
                        4⤵
                        • Program crash
                        PID:656
                  • C:\Users\Admin\AppData\Local\Temp\ee053d3856b81a03ab4c2981bf526ab1c2107368792d0e68ea565bec5d2758a4N.exe
                    "C:\Users\Admin\AppData\Local\Temp\ee053d3856b81a03ab4c2981bf526ab1c2107368792d0e68ea565bec5d2758a4N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2832
                  • 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:2644
                • C:\Windows\system32\taskeng.exe
                  taskeng.exe {6320F60C-92EB-4AC4-9CBE-271C77760C56} S-1-5-21-457978338-2990298471-2379561640-1000:WOUOSVRD\Admin:Interactive:[1]
                  1⤵
                    PID:580
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      2⤵
                        PID:1996
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          3⤵
                            PID:2108
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              4⤵
                                PID:1764
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              3⤵
                                PID:2112
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                3⤵
                                  PID:2248
                                • 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
                                  3⤵
                                  • Scheduled Task/Job: Scheduled Task
                                  PID:2280

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • C:\Users\Admin\AppData\Local\Temp\oppk6Dzu31Yr.bat

                              Filesize

                              208B

                              MD5

                              1178a2d3ef2af5bd2e0a6f702446e102

                              SHA1

                              1e9028f6ff4764ef93589545c2315b0d3884859d

                              SHA256

                              65eabd11939f4bae05361ef2c0ff6d08b5f56fca3ca02acd999d9a25eff7b165

                              SHA512

                              b34f89a6e4e528f5621d8d28d6d0b3319affb7292c157b370daeda82ff650d688edba828712a6c14973261856ca8fb9360048de52b24b9efc95e4db7ad0ad46d

                            • C:\Users\Admin\AppData\Local\Temp\pWolyXgi0iQ7.bat

                              Filesize

                              208B

                              MD5

                              b15fbb2f5038aa16bdaad806f6dbc037

                              SHA1

                              ad3938d492f2cf57d37a7c8fb87ac25cf004ad07

                              SHA256

                              4538249c7967fe865da9ab0e964f660ed2f8407e8685799856a6a44d351d70a6

                              SHA512

                              3386bf4a3eeab9739368f54402cf948e742c2795243339393c333dccc0ca7bca9854550e73b2b662600766986a4412d427d922240515950983f562b4fb2fbdd7

                            • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                            • C:\Users\Admin\AppData\Roaming\Logs\10-05-2024

                              Filesize

                              224B

                              MD5

                              d66b6d447fb2b76f7d5737b83d1e0760

                              SHA1

                              09dfb5da42392e119a1420253b55bef4ed2dbf54

                              SHA256

                              902eae64ff30c7acf4ab908a77398828e43c970546eef062c52dc7d93e8dad28

                              SHA512

                              344791241ae1e2564d4e46c15bc5b89569b03ec18704d82489b4f8e783cbc6e4e67bc5ba70c72896086b4663c677a471366e679de1e5922da61de994bf3040b0

                            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\2APOLS31.txt

                              Filesize

                              211B

                              MD5

                              9999f20af26e28362ebd112dfb5e5ee9

                              SHA1

                              dd414f808a70abeb4b810ed28f596010ad2276f5

                              SHA256

                              b05a0bb8d4e1c0d13443d42f9d479acd74be908ae748cdd931b089b6617a0564

                              SHA512

                              334ff0cf644a893306c0c9bfc58efd0d30654fb5d59d2d6b20ae6ce7eb42d93bcf26e5f46349571391a8105f05636b54f942fe8d56986cbc778b22c9d416cefc

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

                              Filesize

                              2.0MB

                              MD5

                              dfc20c0ea507105cc6a0da83e707c305

                              SHA1

                              918585c9c0ea6fbad64287b33984daeb8270efbc

                              SHA256

                              78b013ce7aae7a80b7c2074562c4543f32ba4fa7eaeabd090e9dd2efdd91dce9

                              SHA512

                              7e685faa9b1069df120fdada0b40312e9b6cf6a89ffce3e4f58427bcd0515a30cd04aac8a03995d4bc729ed8cee94cec8966b2db3a3b6f2091ab5023cd80e659

                            • \Users\Admin\AppData\Local\Temp\vnc.exe

                              Filesize

                              405KB

                              MD5

                              b8ba87ee4c3fc085a2fed0d839aadce1

                              SHA1

                              b3a2e3256406330e8b1779199bb2b9865122d766

                              SHA256

                              4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                              SHA512

                              7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                            • \Users\Admin\AppData\Local\Temp\windef.exe

                              Filesize

                              349KB

                              MD5

                              b4a202e03d4135484d0e730173abcc72

                              SHA1

                              01b30014545ea526c15a60931d676f9392ea0c70

                              SHA256

                              7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                              SHA512

                              632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                            • memory/360-66-0x0000000000AA0000-0x0000000000AFE000-memory.dmp

                              Filesize

                              376KB

                            • memory/1764-129-0x000007FFFFFD5000-0x000007FFFFFD6000-memory.dmp

                              Filesize

                              4KB

                            • memory/1764-130-0x0000000000290000-0x000000000032C000-memory.dmp

                              Filesize

                              624KB

                            • memory/1952-135-0x0000000000F50000-0x0000000000FAE000-memory.dmp

                              Filesize

                              376KB

                            • memory/1956-30-0x0000000000200000-0x0000000000201000-memory.dmp

                              Filesize

                              4KB

                            • memory/2008-155-0x0000000000D90000-0x0000000000DEE000-memory.dmp

                              Filesize

                              376KB

                            • memory/2112-116-0x0000000001090000-0x00000000010EE000-memory.dmp

                              Filesize

                              376KB

                            • memory/2248-122-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                              Filesize

                              4KB

                            • memory/2292-46-0x0000000000020000-0x0000000000021000-memory.dmp

                              Filesize

                              4KB

                            • memory/2292-49-0x00000000004D0000-0x000000000056C000-memory.dmp

                              Filesize

                              624KB

                            • memory/2292-53-0x00000000004D0000-0x000000000056C000-memory.dmp

                              Filesize

                              624KB

                            • memory/2292-44-0x000007FFFFFD6000-0x000007FFFFFD7000-memory.dmp

                              Filesize

                              4KB

                            • memory/2292-68-0x00000000004D0000-0x000000000056C000-memory.dmp

                              Filesize

                              624KB

                            • memory/2292-48-0x00000000004D0000-0x000000000056C000-memory.dmp

                              Filesize

                              624KB

                            • memory/2292-42-0x0000000000020000-0x0000000000021000-memory.dmp

                              Filesize

                              4KB

                            • memory/2712-56-0x0000000000970000-0x00000000009CE000-memory.dmp

                              Filesize

                              376KB

                            • memory/2832-47-0x0000000000080000-0x00000000000A0000-memory.dmp

                              Filesize

                              128KB

                            • memory/2832-33-0x0000000000080000-0x00000000000A0000-memory.dmp

                              Filesize

                              128KB

                            • memory/2832-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                              Filesize

                              128KB

                            • memory/2832-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                              Filesize

                              4KB