Analysis

  • max time kernel
    4s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-01-2025 08:58

General

  • Target

    2a3f984188188e38044b89449ad57e17160ed21c456d3315028cce4c43287f29N.exe

  • Size

    2.0MB

  • MD5

    6e098fb785751f6b3385ec13120732c0

  • SHA1

    d4a0a1a2a23ee57d1e6d35b1d1cbc7d81a82c7c3

  • SHA256

    2a3f984188188e38044b89449ad57e17160ed21c456d3315028cce4c43287f29

  • SHA512

    b56500f33d45c2ee3dfbec50d311281606086e0b4f0cbde6cdbf034894531d6ad981d87d95a6cd2dc080d5ced48fab5d0763c37ccfa22cb52e42594d972bd9c0

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

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.

  • Azorult family
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 6 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 1 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 1 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 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a3f984188188e38044b89449ad57e17160ed21c456d3315028cce4c43287f29N.exe
    "C:\Users\Admin\AppData\Local\Temp\2a3f984188188e38044b89449ad57e17160ed21c456d3315028cce4c43287f29N.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:2376
    • 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:2840
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2980
    • 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:2740
      • 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:588
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:1032
          • 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:1500
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\yv0170y41Sis.bat" "
            4⤵
              PID:920
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2352
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1864
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2500
                    • 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:2880
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1032 -s 1224
                  4⤵
                  • Program crash
                  PID:2420
            • C:\Users\Admin\AppData\Local\Temp\2a3f984188188e38044b89449ad57e17160ed21c456d3315028cce4c43287f29N.exe
              "C:\Users\Admin\AppData\Local\Temp\2a3f984188188e38044b89449ad57e17160ed21c456d3315028cce4c43287f29N.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3028
            • 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:2168
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {0BFD5AE2-12C3-4984-8852-2434C39D962A} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
            1⤵
              PID:2772
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:1128
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:1044
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:2288
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:2208
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          3⤵
                            PID:3060
                          • 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:1260

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\yv0170y41Sis.bat

                        Filesize

                        208B

                        MD5

                        562091a0bc184d2f283bf86dbdb88f64

                        SHA1

                        4947448d3c415da930d938411928f2ec8fd74e0e

                        SHA256

                        43d5ce707db37ab9eb3071f4ee36421428abd2f87f74e465e4f33b4b9b1af40b

                        SHA512

                        21236ab84496f4780454867f3b3793bedf6ce69caef1dad90d40d0c49c437cda6784e09c7cd4b4b342d7523cb91c187a287585a724098194853b76db7e30dd5f

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

                        Filesize

                        224B

                        MD5

                        94c10abb12be2f97b7ccd9611fe344d9

                        SHA1

                        eb88377ea0e4be554bca31de09823c313adff0aa

                        SHA256

                        96874af696dcdebcfdf85cb81e527bd15f5e77332c6aa9edee7b03d8758539f9

                        SHA512

                        53e9d8e2db3d38378e55c0d02076bab8f5a5dc716f0d64cc9b414567d7fb1acb7cbc0f3615aaf25fedb548326194b5b4d89e33695275a946639a275bec1dd98c

                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\7NP31GEW.txt

                        Filesize

                        213B

                        MD5

                        f6996c9afc48e92cdc4ae1becf00f78e

                        SHA1

                        6164cb6afdb7e33c5932daa8983be4ca7b5c7cac

                        SHA256

                        7a82e95f64e73b459bbff863f5612c64a8e70e5957b8d9d2f56a140fdcefb55b

                        SHA512

                        c40cd6984f3839d95c5b5117126d10eb2fb4eb3ea280b428927d4a32588a72dfdbf94b6a5a241161d7d2c30e9b45b1405f07ff955852d2b73e34e1357ae063b0

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

                        Filesize

                        2.0MB

                        MD5

                        f08d4619bd569c8cabfc84448cddb670

                        SHA1

                        8dad0b6be1d7687038848da39ae8279de5336c09

                        SHA256

                        7c7eb97e9459ad9c2b4132ab42070e9d56735256826e56811b365f6c5c6ae3cd

                        SHA512

                        30a8da931b8b4872098040feb6056beda312699504efe5bbf3aa60766cc98acac0227e1618d8a66f0aac302ec05b1df40425b426d34c6e977cd886d2b755ced7

                      • \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/1032-64-0x0000000001100000-0x000000000115E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2208-112-0x0000000001300000-0x000000000135E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2288-111-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

                        Filesize

                        4KB

                      • memory/2288-117-0x00000000000D0000-0x000000000016C000-memory.dmp

                        Filesize

                        624KB

                      • memory/2288-113-0x00000000000D0000-0x000000000016C000-memory.dmp

                        Filesize

                        624KB

                      • memory/2376-30-0x0000000000F50000-0x0000000000F51000-memory.dmp

                        Filesize

                        4KB

                      • memory/2500-134-0x0000000000A10000-0x0000000000A6E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2740-54-0x0000000000BD0000-0x0000000000C2E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2980-51-0x00000000001D0000-0x000000000026C000-memory.dmp

                        Filesize

                        624KB

                      • memory/2980-46-0x000007FFFFFDB000-0x000007FFFFFDC000-memory.dmp

                        Filesize

                        4KB

                      • memory/2980-47-0x00000000001D0000-0x000000000026C000-memory.dmp

                        Filesize

                        624KB

                      • memory/2980-44-0x0000000000020000-0x0000000000021000-memory.dmp

                        Filesize

                        4KB

                      • memory/3028-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/3028-33-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/3028-43-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/3028-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/3060-104-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB