Analysis

  • max time kernel
    3s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 10:23

General

  • Target

    883bb35946ee7ae3614db571731b2709a096f8ea3eb057d4e35d973e99b8204c.exe

  • Size

    2.0MB

  • MD5

    4d6da9c6608dcb49d0d80811daa72cd9

  • SHA1

    65aa094146b36010606c9dfb14dc66460dac409e

  • SHA256

    883bb35946ee7ae3614db571731b2709a096f8ea3eb057d4e35d973e99b8204c

  • SHA512

    6003a98297df26bda509df3e12fb028b6820219fd0a4cb06ea7da9f583184bdd6fceab5b463f528126fd5034e2aa2f326e243ef5abec8eaeebd5f689282e495b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y8

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 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\883bb35946ee7ae3614db571731b2709a096f8ea3eb057d4e35d973e99b8204c.exe
    "C:\Users\Admin\AppData\Local\Temp\883bb35946ee7ae3614db571731b2709a096f8ea3eb057d4e35d973e99b8204c.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:432
    • 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:2116
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2424
    • 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:2800
      • 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:2868
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:1576
          • 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:2676
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\YgpyNdO0Fm2V.bat" "
            4⤵
              PID:544
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2096
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2164
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2336
                    • 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:1548
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 1512
                  4⤵
                  • Program crash
                  PID:2204
            • C:\Users\Admin\AppData\Local\Temp\883bb35946ee7ae3614db571731b2709a096f8ea3eb057d4e35d973e99b8204c.exe
              "C:\Users\Admin\AppData\Local\Temp\883bb35946ee7ae3614db571731b2709a096f8ea3eb057d4e35d973e99b8204c.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2964
            • 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:2924
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {4FBCFC94-6454-4689-966E-91AC7BB2E6DA} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
            1⤵
              PID:952
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:1624
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:308

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\YgpyNdO0Fm2V.bat

                  Filesize

                  208B

                  MD5

                  74927b56d5da1b0ebd016257085f4297

                  SHA1

                  644933843a784feb4b7717ab76f30a158f59951a

                  SHA256

                  0448150a69710ca8b0d4edebaf8e5bd3397df59e261d321518e9eb8f39e596b0

                  SHA512

                  73ec130156c5560c0ec6f78dc677ca59c1cef681930c60fe16d441afb10985d48b8cd42aafd34dfbe9fbbf0b994d4a05b0f98b389bfec39eb2cc2a8e89b0fb7c

                • C:\Users\Admin\AppData\Roaming\Logs\11-27-2024

                  Filesize

                  224B

                  MD5

                  f850898d3deb210f783e03a8018c9649

                  SHA1

                  8e0bb6dc0888637a66c8e6308a587a34b592720c

                  SHA256

                  6a80c35ffa6c839f803e46cbb011b72b8bacbc2f2343e330d4e970505cad5f5c

                  SHA512

                  7cb610fd0947d6eabdb15b3515aa840944a5b95e2e180e4d9e10af16abd890b1dad7af9985d43c43859db72f47168d6db6fca7c280349eec4a43d80f999ff1df

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

                  Filesize

                  2.0MB

                  MD5

                  e501e002dd8e9b715ed223080d9a9a60

                  SHA1

                  3eb01d2dea6aa90fc8515b7922b2a7a41596fd7b

                  SHA256

                  2e66885e7076db1a056a764ad7c46b01a0b1ec5698dca809707fe66223bd42e1

                  SHA512

                  a601b8742654522c6eae4cedb404a3c8d8cda072b57c8880596053f2fa2ca73092e027c436a23218badfe006cd685d24088f115f7901edae1fd1e70e723771f8

                • \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/432-57-0x00000000008C0000-0x00000000008C1000-memory.dmp

                  Filesize

                  4KB

                • memory/1576-64-0x0000000000020000-0x000000000007E000-memory.dmp

                  Filesize

                  376KB

                • memory/2336-83-0x0000000001240000-0x000000000129E000-memory.dmp

                  Filesize

                  376KB

                • memory/2424-48-0x00000000000D0000-0x000000000016C000-memory.dmp

                  Filesize

                  624KB

                • memory/2424-47-0x000007FFFFFDC000-0x000007FFFFFDD000-memory.dmp

                  Filesize

                  4KB

                • memory/2424-52-0x00000000000D0000-0x000000000016C000-memory.dmp

                  Filesize

                  624KB

                • memory/2424-45-0x0000000000020000-0x0000000000021000-memory.dmp

                  Filesize

                  4KB

                • memory/2800-55-0x0000000000010000-0x000000000006E000-memory.dmp

                  Filesize

                  376KB

                • memory/2964-40-0x0000000000080000-0x00000000000A0000-memory.dmp

                  Filesize

                  128KB

                • memory/2964-28-0x0000000000080000-0x00000000000A0000-memory.dmp

                  Filesize

                  128KB

                • memory/2964-30-0x0000000000080000-0x00000000000A0000-memory.dmp

                  Filesize

                  128KB

                • memory/2964-36-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                  Filesize

                  4KB