Analysis

  • max time kernel
    3s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 16:28

General

  • Target

    51830643a7642e597a85229779b0cb714c31eac0fb78a22bda2064ebd5f9667fN.exe

  • Size

    2.0MB

  • MD5

    242a76f4255c96b4ad6bf3f41600ad10

  • SHA1

    367542f77eb1dd3051958ff6d801f2230a7f0897

  • SHA256

    51830643a7642e597a85229779b0cb714c31eac0fb78a22bda2064ebd5f9667f

  • SHA512

    bcc801a53bda81091007782811c681405093dbebffc802767ca93a5c1c765ecd127b004ebd43f7267237038668b14a9c7f2c87bc5e2549dc47f3ad832e1d5697

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YD

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 5 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 4 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\51830643a7642e597a85229779b0cb714c31eac0fb78a22bda2064ebd5f9667fN.exe
    "C:\Users\Admin\AppData\Local\Temp\51830643a7642e597a85229779b0cb714c31eac0fb78a22bda2064ebd5f9667fN.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:3040
    • 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:1504
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2880
    • 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:2892
      • 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:1612
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:2908
          • 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:1532
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\Ky52ZTqMS7Z6.bat" "
            4⤵
              PID:2408
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2300
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2424
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:996
                    • 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:1300
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 1416
                  4⤵
                  • Program crash
                  PID:2168
            • C:\Users\Admin\AppData\Local\Temp\51830643a7642e597a85229779b0cb714c31eac0fb78a22bda2064ebd5f9667fN.exe
              "C:\Users\Admin\AppData\Local\Temp\51830643a7642e597a85229779b0cb714c31eac0fb78a22bda2064ebd5f9667fN.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2768
            • 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:2704
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {EBDCEF42-E7BE-4C2B-A0B8-EFFC6DD7E79C} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
            1⤵
              PID:2100
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:1400

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\Ky52ZTqMS7Z6.bat

                Filesize

                208B

                MD5

                45a0e7d573437e615c4f77bb55a09dec

                SHA1

                49db7d8af7f1d75d0378be872abce54840b83248

                SHA256

                2cff7c4f463e24145d8e61673bdc61f1935f6f9f7f1434194c613e73e141d9e2

                SHA512

                77a4d564210c89812108ac790134f667395cae52815fb9b1c39797963b7797cf07566c14054a3d3e4d3c20c6ce985e1a194e2f05f015d697a61e8541c282f2bd

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

                MD5

                d41d8cd98f00b204e9800998ecf8427e

                SHA1

                da39a3ee5e6b4b0d3255bfef95601890afd80709

                SHA256

                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                SHA512

                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

              • C:\Users\Admin\AppData\Roaming\Logs\11-25-2024

                Filesize

                224B

                MD5

                b723f937ec74bc1c919714537dc16998

                SHA1

                c9dbbe1729b459148ec508e5c453f73715058cb5

                SHA256

                6b3009ad94a49fc453832141f5a943b099d960888d83df203c1cb8b29e72715e

                SHA512

                3734af5bb451f134a3e933078be931eaa567a9c2518a61936ae1455f6cd289a1d3d5b2f039b871a199845bcfca53e52a757dd33f361a487782be4a9de2e41231

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

                Filesize

                2.0MB

                MD5

                2ee3277f3b4559469d87ef166e3c5497

                SHA1

                9416506a713dc082108d8d170d10c42c978a977e

                SHA256

                4631ed5bab0b727d62932b6d5e0e1c3cd15336a1e8a5006257d7d86b0a74a9ff

                SHA512

                5745d808c4d0f98fb13c3249520aaf8549eb5897c9bbd0840d08d3223c8aa4a9e2e6162a59735fad67f7bbd062ffd4f8f367456d05fd91ceb6851b0e700d99be

              • \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/996-82-0x0000000000FC0000-0x000000000101E000-memory.dmp

                Filesize

                376KB

              • memory/2768-42-0x00000000000C0000-0x00000000000E0000-memory.dmp

                Filesize

                128KB

              • memory/2768-38-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/2768-32-0x00000000000C0000-0x00000000000E0000-memory.dmp

                Filesize

                128KB

              • memory/2768-30-0x00000000000C0000-0x00000000000E0000-memory.dmp

                Filesize

                128KB

              • memory/2880-44-0x0000000000020000-0x0000000000021000-memory.dmp

                Filesize

                4KB

              • memory/2880-53-0x00000000004B0000-0x000000000054C000-memory.dmp

                Filesize

                624KB

              • memory/2880-47-0x00000000004B0000-0x000000000054C000-memory.dmp

                Filesize

                624KB

              • memory/2880-46-0x000007FFFFFD5000-0x000007FFFFFD6000-memory.dmp

                Filesize

                4KB

              • memory/2892-56-0x0000000000280000-0x00000000002DE000-memory.dmp

                Filesize

                376KB

              • memory/2908-64-0x0000000001030000-0x000000000108E000-memory.dmp

                Filesize

                376KB

              • memory/3040-65-0x0000000000C60000-0x0000000000C61000-memory.dmp

                Filesize

                4KB

              • memory/3040-43-0x0000000000C60000-0x0000000000C61000-memory.dmp

                Filesize

                4KB