Analysis

  • max time kernel
    5s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 06:31

General

  • Target

    7662c298db108d90a128b11b4ebbe05e046849c2478bf000045b224eb1dbf3cd.exe

  • Size

    2.0MB

  • MD5

    2b28eeea79a33366457f6195d55f21bd

  • SHA1

    d4faa668b62d8c6bf36c7dcd1d24e8cc485c2ba3

  • SHA256

    7662c298db108d90a128b11b4ebbe05e046849c2478bf000045b224eb1dbf3cd

  • SHA512

    949e5e1dadf0905b2ad7ff5278fe1797206e799a5018fd027ecb2718a5aa898500dfe143812cbf5078b7d08a06375b8eef70ef90776be352a9101c7eafbb36df

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYa:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YQ

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 4 IoCs
  • Loads dropped DLL 9 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 9 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 5 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7662c298db108d90a128b11b4ebbe05e046849c2478bf000045b224eb1dbf3cd.exe
    "C:\Users\Admin\AppData\Local\Temp\7662c298db108d90a128b11b4ebbe05e046849c2478bf000045b224eb1dbf3cd.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:2524
    • 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:804
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2796
    • C:\Users\Admin\AppData\Local\Temp\windef.exe
      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2344
      • 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⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2012
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1800
        • 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⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1216
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\kde4VR4sBjPd.bat" "
          4⤵
            PID:1364
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              5⤵
                PID:2988
              • 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:2396
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 1488
                4⤵
                • Program crash
                PID:2084
          • C:\Users\Admin\AppData\Local\Temp\7662c298db108d90a128b11b4ebbe05e046849c2478bf000045b224eb1dbf3cd.exe
            "C:\Users\Admin\AppData\Local\Temp\7662c298db108d90a128b11b4ebbe05e046849c2478bf000045b224eb1dbf3cd.exe"
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2848
          • 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:2828
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {E676F8F2-6684-4776-959F-D59E6432B9EA} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:1004
          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            2⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:1556
            • C:\Users\Admin\AppData\Local\Temp\vnc.exe
              "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
              3⤵
                PID:1424
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k
                  4⤵
                    PID:2192
                • C:\Users\Admin\AppData\Local\Temp\windef.exe
                  "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                  3⤵
                    PID:3068
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                    3⤵
                      PID:2072
                    • 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:1848

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Temp\kde4VR4sBjPd.bat

                  Filesize

                  208B

                  MD5

                  6e8a2afe725f439ddab95b1dfea249b1

                  SHA1

                  1e05eef304959a3d853c56a0f82e8672e3d07a85

                  SHA256

                  88df0a327c380aa4179002c43790994ae3c3ac529d5b864afc2fdd5101f1e911

                  SHA512

                  0d4ed6a200b990532421833dfe944774a84d606f3d4398078b029d2f4f47a86125cd889bc60ddeaf5f49874a1d82c3fa58be13b2a95d0ec232c57622989fd075

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

                  Filesize

                  213B

                  MD5

                  01f4e7a7e0b5a4028c90d52d1d4c3bfd

                  SHA1

                  3fefd3ea63a4bcca96dbd549f1d658835f71935b

                  SHA256

                  0642143b90d3df05b09ef343267035a73379b9eca4cf25d11ef6270c9aa3e8fb

                  SHA512

                  7977138f1eb6f063fea9b4aa4ad1efebe969e6ae249c87484a0bc2a3641b219f19c49274ef05158b79a5d40a0f67a866a644e3717741f2df17b97d17e63b9287

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

                  Filesize

                  2.0MB

                  MD5

                  1330019cb11fee37515ea791538a07be

                  SHA1

                  abc127af0c4d417b588b7823de63e04c472aae25

                  SHA256

                  1b63349fb9ca0f5e5f8116181500a35519bccd4072221e785b8799a5cb1816ed

                  SHA512

                  c671e849e530b0fd424d95158862ddd4f95cc297e5e501b5dc64c63c19262e19d84b71bca71f863a58f14e570453c6fcce4c9c69e0285eb170b618e892635b4a

                • \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/1800-63-0x0000000000220000-0x000000000027E000-memory.dmp

                  Filesize

                  376KB

                • memory/2072-103-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/2192-114-0x0000000000270000-0x000000000030C000-memory.dmp

                  Filesize

                  624KB

                • memory/2192-113-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

                  Filesize

                  4KB

                • memory/2192-118-0x0000000000270000-0x000000000030C000-memory.dmp

                  Filesize

                  624KB

                • memory/2344-45-0x00000000013C0000-0x000000000141E000-memory.dmp

                  Filesize

                  376KB

                • memory/2344-30-0x0000000073DAE000-0x0000000073DAF000-memory.dmp

                  Filesize

                  4KB

                • memory/2524-31-0x0000000000300000-0x0000000000301000-memory.dmp

                  Filesize

                  4KB

                • memory/2796-48-0x0000000000020000-0x0000000000021000-memory.dmp

                  Filesize

                  4KB

                • memory/2796-55-0x00000000001A0000-0x000000000023C000-memory.dmp

                  Filesize

                  624KB

                • memory/2796-51-0x00000000001A0000-0x000000000023C000-memory.dmp

                  Filesize

                  624KB

                • memory/2796-50-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

                  Filesize

                  4KB

                • memory/2848-32-0x0000000000080000-0x00000000000A0000-memory.dmp

                  Filesize

                  128KB

                • memory/2848-34-0x0000000000080000-0x00000000000A0000-memory.dmp

                  Filesize

                  128KB

                • memory/2848-40-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/2848-44-0x0000000000080000-0x00000000000A0000-memory.dmp

                  Filesize

                  128KB

                • memory/3068-110-0x00000000009F0000-0x0000000000A4E000-memory.dmp

                  Filesize

                  376KB