Analysis

  • max time kernel
    4s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 04:00

General

  • Target

    cb2415e49e19caab6e2a11bf12680e658e1ddb3ea6a49fec96d4032d273aa726.exe

  • Size

    2.0MB

  • MD5

    504cf9feb93d2675977bc11db8929172

  • SHA1

    50b1f0258a439e42608e039260d6a098283b2197

  • SHA256

    cb2415e49e19caab6e2a11bf12680e658e1ddb3ea6a49fec96d4032d273aa726

  • SHA512

    d5c9e98458ccdb62c7291d9e59c446292d4d88a71c0d0b7e43edac236698b1fc1c0c81afa6e6985f812bee816fc1da1d30a16c4866c9b34fdbcbd43e13223789

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYZ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yr

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 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 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 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\cb2415e49e19caab6e2a11bf12680e658e1ddb3ea6a49fec96d4032d273aa726.exe
    "C:\Users\Admin\AppData\Local\Temp\cb2415e49e19caab6e2a11bf12680e658e1ddb3ea6a49fec96d4032d273aa726.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:2536
    • 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:1748
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2976
    • 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:2860
      • 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:2580
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:2904
          • 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:2220
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\6ZCQTgTXBUDt.bat" "
            4⤵
              PID:2192
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2416
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2148
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1188
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 1436
                  4⤵
                  • Program crash
                  PID:1384
            • C:\Users\Admin\AppData\Local\Temp\cb2415e49e19caab6e2a11bf12680e658e1ddb3ea6a49fec96d4032d273aa726.exe
              "C:\Users\Admin\AppData\Local\Temp\cb2415e49e19caab6e2a11bf12680e658e1ddb3ea6a49fec96d4032d273aa726.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2628
            • 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:2588
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {A2E7580C-B032-4776-A992-6AC07CBD46B1} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
            1⤵
              PID:2120
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:2020
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:1600
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:1700
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:1772
                          • 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
                            4⤵
                            • Scheduled Task/Job: Scheduled Task
                            PID:2444
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            4⤵
                              PID:1236
                              • 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
                                5⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:2832
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            3⤵
                              PID:1472
                            • 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:1604

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\6ZCQTgTXBUDt.bat

                          Filesize

                          208B

                          MD5

                          fd7608f77c937c0dc41103dd16ce493b

                          SHA1

                          f755a8bb80a7317025d2ab773ed6b89a3fab0816

                          SHA256

                          11d990c5caf21c6f26caa7112d6931692d516147d894824f890c0c8ed93d5804

                          SHA512

                          9a58063b215741c3f559edd43d88a9ad8f1417329301b0645fdef33b95880543021c05212c032c897629a0e7cc262ce8bd7e46186aa0bde1e2aa79a014b9b451

                        • C:\Users\Admin\AppData\Roaming\Logs\11-26-2024

                          Filesize

                          224B

                          MD5

                          6092b0f941bceed5c01cd3b56916d2fa

                          SHA1

                          ae3e116c94f290e9fbf0471635cb9c22d337a282

                          SHA256

                          79d2c6bfb48b78829db5a0648fd94f023fc03a9d0b4af8f85c924e6f801e225a

                          SHA512

                          b39ba5e878dc77087fda4b4249b52f4790aa5424e103d01eb97b595541845bbade11725c486c09e5daa43e23a2619f43edc898eb74ad3f83dd53ada500c2d742

                        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\O6UOLXXZ.txt

                          Filesize

                          213B

                          MD5

                          2535e97ce6a423fae99e80bfbfa40b4f

                          SHA1

                          5a712aa345be4138efb4a2d295f4dc332629d00e

                          SHA256

                          d112144fc5b606a4bc5d9f1a8128b607898ad6d41e857a0880fc8636d5f4382c

                          SHA512

                          0bdbcc1802aee8861e65988df2f262f74f6e3e6e7b34a605e53ce36e181c928575a558717dc8c1c35db3ee47a7e3742edff4a9b8db691ef4ca1d80c26998ea33

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

                          Filesize

                          2.0MB

                          MD5

                          6e2ecb237b8aa6ab572f93204b0cbe91

                          SHA1

                          5ec740f47979cbb5f0018403d1b4ac0c011a28a8

                          SHA256

                          667f19572cda145bfc1ac73dca48a3a824c2d3c84a858aa9db56abdd418e6976

                          SHA512

                          9409ed8dd1d7312b5df198580f69a8d35443b690152663911666b844faa5c9be300f150d90f7064f271b639baa908beb78586d14a2b561e8f640b412ce1db9d6

                        • \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/1188-134-0x0000000000D20000-0x0000000000D7E000-memory.dmp

                          Filesize

                          376KB

                        • memory/1236-143-0x00000000011C0000-0x000000000121E000-memory.dmp

                          Filesize

                          376KB

                        • memory/1472-121-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/1472-117-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                          Filesize

                          4KB

                        • memory/1472-114-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/1700-126-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

                          Filesize

                          4KB

                        • memory/1700-127-0x00000000000D0000-0x000000000016C000-memory.dmp

                          Filesize

                          624KB

                        • memory/1700-131-0x00000000000D0000-0x000000000016C000-memory.dmp

                          Filesize

                          624KB

                        • memory/1772-123-0x0000000000BE0000-0x0000000000C3E000-memory.dmp

                          Filesize

                          376KB

                        • memory/2536-29-0x0000000000520000-0x0000000000521000-memory.dmp

                          Filesize

                          4KB

                        • memory/2628-43-0x0000000000400000-0x0000000000420000-memory.dmp

                          Filesize

                          128KB

                        • memory/2628-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                          Filesize

                          4KB

                        • memory/2628-33-0x0000000000400000-0x0000000000420000-memory.dmp

                          Filesize

                          128KB

                        • memory/2628-31-0x0000000000400000-0x0000000000420000-memory.dmp

                          Filesize

                          128KB

                        • memory/2860-54-0x0000000000350000-0x00000000003AE000-memory.dmp

                          Filesize

                          376KB

                        • memory/2904-64-0x0000000000B90000-0x0000000000BEE000-memory.dmp

                          Filesize

                          376KB

                        • memory/2976-51-0x0000000000290000-0x000000000032C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2976-44-0x0000000000020000-0x0000000000021000-memory.dmp

                          Filesize

                          4KB

                        • memory/2976-47-0x0000000000290000-0x000000000032C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2976-46-0x000007FFFFFDD000-0x000007FFFFFDE000-memory.dmp

                          Filesize

                          4KB