Analysis

  • max time kernel
    4s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 10:13

General

  • Target

    3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe

  • Size

    2.0MB

  • MD5

    6845e591eb8e4ae6ed050f660f8b033d

  • SHA1

    ee37cea5a67e37fb093defc2de51b25a02ad3e65

  • SHA256

    3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566

  • SHA512

    25eab1af5ea0b10a0e793618b7d00c863087ecb9cf6fd7673eba12511c4dc942c6c49e6d4c44940220ba9a30cceb6752d68db5bc8ac581a7c55ca84a3579e231

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

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\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe
    "C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.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:2236
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2972
    • 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:2840
      • 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:2532
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:2784
          • 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:2488
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\XAmSTQE7EjUz.bat" "
            4⤵
              PID:2012
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2796
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:688
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2660
                    • 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:2988
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\Hg44d4eCo7zd.bat" "
                      6⤵
                        PID:2768
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 1388
                    4⤵
                    • Program crash
                    PID:2388
              • C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe
                "C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                PID:3032
              • 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:2788
            • C:\Windows\system32\taskeng.exe
              taskeng.exe {EAC5BA21-7865-4345-8AE7-A7244B4DAC4B} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
              1⤵
                PID:1636
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  2⤵
                    PID:1240
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      3⤵
                        PID:2480
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          4⤵
                            PID:2084
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          3⤵
                            PID:2332
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            3⤵
                              PID:2556
                            • 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:824

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\Hg44d4eCo7zd.bat

                          Filesize

                          208B

                          MD5

                          bc76d6f561ebdb8ad088996eb3e68a3a

                          SHA1

                          20b6e874a52470e12bfa21396fe5301c2930ab7e

                          SHA256

                          68f94b11296bad4497a68aeb8fd10540eaf7ee04599f65b717dc1e784f9dff61

                          SHA512

                          5c18e4e9fafb6c1a2a28f7e0f3dd29cf7ef27ae6842ee2430f00a2986dcb54aac4894f283fc71c97a494850a84778abf49d70ab4eeba2c8548470776f7707b7a

                        • C:\Users\Admin\AppData\Local\Temp\XAmSTQE7EjUz.bat

                          Filesize

                          208B

                          MD5

                          2c82880999182f47a53afb67cb5d1b59

                          SHA1

                          5436e28af9ea007faabaefb6bf48863861384fe6

                          SHA256

                          df0cd5de53f54f03a7a9ecacec058d666aca31b9483d0337f3e741aab7c55320

                          SHA512

                          0e8b5d9f25749489c569adc7d3b9ff479cf9da48a1ebcc5c82ad322e217c966bfc594b92ea2dc17fba4c844e5c931116234ff9668ecba9ac9ccb068018df5dca

                        • 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

                          f987214cc60f983666e37a6e49eaa2ab

                          SHA1

                          7a6283815803b458887de625c3cb79c12bae66c7

                          SHA256

                          cbf3a5dd7cf0a52d6e63a1c2e821fd33472f33c61ad0c7846fbc952426871791

                          SHA512

                          e47e36de4890db79ab6ddb6ed760e583f4159a69a466d445b659bfb9eacc40c42653965fab2d002e48b3eb87435869197b2fc514bde769abc0b89a1e031a2336

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

                          Filesize

                          2.0MB

                          MD5

                          3d334b4584b41ae63487ca41ea4d4838

                          SHA1

                          65f83f45608d22e859ab273c460ee30409de22d8

                          SHA256

                          7c487a496ea3ce350d150750d59a0f63e9eefd30b4d8324c5b7b311a8b144bb3

                          SHA512

                          0d477a3afdc02d284344f7c7081005bcd755c9427a3153417c3249a741f384686bf17044b4b88ed168705ca949b2738268d670cc899c4f794c519a2d70c222c8

                        • \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/2084-113-0x0000000000250000-0x00000000002EC000-memory.dmp

                          Filesize

                          624KB

                        • memory/2084-117-0x0000000000250000-0x00000000002EC000-memory.dmp

                          Filesize

                          624KB

                        • memory/2084-112-0x000007FFFFFDD000-0x000007FFFFFDE000-memory.dmp

                          Filesize

                          4KB

                        • memory/2332-109-0x0000000000DD0000-0x0000000000E2E000-memory.dmp

                          Filesize

                          376KB

                        • memory/2536-30-0x0000000000780000-0x0000000000781000-memory.dmp

                          Filesize

                          4KB

                        • memory/2556-106-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/2556-102-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                          Filesize

                          4KB

                        • memory/2556-99-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/2660-133-0x00000000001B0000-0x000000000020E000-memory.dmp

                          Filesize

                          376KB

                        • memory/2784-63-0x0000000000B60000-0x0000000000BBE000-memory.dmp

                          Filesize

                          376KB

                        • memory/2840-55-0x00000000009F0000-0x0000000000A4E000-memory.dmp

                          Filesize

                          376KB

                        • memory/2972-65-0x0000000000170000-0x000000000020C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2972-43-0x0000000000020000-0x0000000000021000-memory.dmp

                          Filesize

                          4KB

                        • memory/2972-48-0x0000000000170000-0x000000000020C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2972-45-0x000007FFFFFD6000-0x000007FFFFFD7000-memory.dmp

                          Filesize

                          4KB

                        • memory/2972-52-0x0000000000170000-0x000000000020C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2972-46-0x0000000000020000-0x0000000000021000-memory.dmp

                          Filesize

                          4KB

                        • memory/2972-47-0x0000000000170000-0x000000000020C000-memory.dmp

                          Filesize

                          624KB

                        • memory/3032-42-0x00000000004D0000-0x00000000004F0000-memory.dmp

                          Filesize

                          128KB

                        • memory/3032-32-0x00000000004D0000-0x00000000004F0000-memory.dmp

                          Filesize

                          128KB

                        • memory/3032-38-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                          Filesize

                          4KB

                        • memory/3032-31-0x00000000004D0000-0x00000000004F0000-memory.dmp

                          Filesize

                          128KB