Analysis

  • max time kernel
    4s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2024 04:04

General

  • Target

    SystemPropertiesPerformance.exe

  • Size

    2.0MB

  • MD5

    f4d7ad283b2db80eb3c4ffbf159e6ead

  • SHA1

    a801b87f3e2d01a08a8953fddc9cf0964843dbd5

  • SHA256

    072f6a8def0bc18d8c4fa08119f6d2578476276e9b9b181cbf61301dcc84a09c

  • SHA512

    01f2f23983d0985d27ec1f6322529cfdd9bc81789af3c9cb8c79b3462f5c65bb9fc4c525c73a39b232956a68736989c0fc32b7f4cb4f7563dab456db92d6cde2

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYf:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y9

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 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe
    "C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.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:948
    • 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:932
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:456
    • 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
      PID:2704
      • 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:2936
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:2380
          • 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:2696
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\G95UsqlmD3qW.bat" "
            4⤵
              PID:1880
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2364
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2040
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2108
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 1536
                  4⤵
                  • Program crash
                  PID:2692
            • C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe
              "C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2864
            • 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:2880
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {A4E9B7FC-B36E-4FD3-BE1A-39E816CA6181} S-1-5-21-457978338-2990298471-2379561640-1000:WOUOSVRD\Admin:Interactive:[1]
            1⤵
              PID:956
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:788
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:1788
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:1940
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:580
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          3⤵
                            PID:2504
                          • 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:3068

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\G95UsqlmD3qW.bat

                        Filesize

                        208B

                        MD5

                        99a028269187fd741522990caf6bef63

                        SHA1

                        c8ab380cce1ae0053700772d5f730379ac245810

                        SHA256

                        ba3f7a05da0bd744d14d2f8b154cdb112743595a14b2a27dd56a5298762aa5cd

                        SHA512

                        432a3cb3edc6f05b2ef771321f1a744f07db03810a53b8045ca9bba4eadba3688284a5670bbd831e3f87ece7b0149f313a67a00f360e5d93ddd688e7e97273e9

                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\OE3UCGKF.txt

                        Filesize

                        211B

                        MD5

                        c16396b2d8d19e7a6544dc5b86a2db53

                        SHA1

                        5bf7878b45775012a0355e85a6afd389b34ce0c0

                        SHA256

                        eef24c762ac18f699e0b5715f9f4ae2ee4c8bf975a0fd444f5bb661fcd648321

                        SHA512

                        9c4fe0a9baca9222f3e0e9b2869dc24709178fa28173394ca3ddd70375cbc1e90989e2c4265144502afc3dd6f3308db30c0264f79a70509fad02799bc9d18a0c

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

                        Filesize

                        2.0MB

                        MD5

                        d29268414eb2fd0f10babbe08553a379

                        SHA1

                        5732b839bc408465ae903a8a00b87914c77dd5c5

                        SHA256

                        321e3c20e6ae2b45c628bcdbd5b4ea39c0ba12dc6e661b49c204b5e3dd7da993

                        SHA512

                        6dfdb52b3cfd08075d727acc1799b65535aaf6a0422db7e3da100654e9439e7a61f2f4e47b2c2c1dd8c57445284f0410c0a19c6adb5ab99c30cc1bf24a3d81e5

                      • \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/456-46-0x000007FFFFFDB000-0x000007FFFFFDC000-memory.dmp

                        Filesize

                        4KB

                      • memory/456-53-0x0000000000290000-0x000000000032C000-memory.dmp

                        Filesize

                        624KB

                      • memory/456-44-0x0000000000020000-0x0000000000021000-memory.dmp

                        Filesize

                        4KB

                      • memory/456-47-0x0000000000290000-0x000000000032C000-memory.dmp

                        Filesize

                        624KB

                      • memory/580-132-0x0000000000BB0000-0x0000000000C0E000-memory.dmp

                        Filesize

                        376KB

                      • memory/948-66-0x0000000002660000-0x0000000002661000-memory.dmp

                        Filesize

                        4KB

                      • memory/948-43-0x0000000002660000-0x0000000002661000-memory.dmp

                        Filesize

                        4KB

                      • memory/1940-103-0x0000000000380000-0x000000000041C000-memory.dmp

                        Filesize

                        624KB

                      • memory/1940-108-0x0000000000380000-0x000000000041C000-memory.dmp

                        Filesize

                        624KB

                      • memory/1940-102-0x000007FFFFFD6000-0x000007FFFFFD7000-memory.dmp

                        Filesize

                        4KB

                      • memory/2380-64-0x0000000000200000-0x000000000025E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2504-127-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2704-54-0x0000000000FF0000-0x000000000104E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2864-40-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2864-28-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2864-30-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2864-36-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB