Analysis

  • max time kernel
    4s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-01-2025 05:17

General

  • Target

    95b8602c651e71a3e60e64b8258f0cbf06796ec93e8f0688d8d838347bdb2bff.exe

  • Size

    2.0MB

  • MD5

    08094eb21e80198ee301ab2f467713f7

  • SHA1

    21d6b0c4047d7a4d22d5d448eda51a398e630ebf

  • SHA256

    95b8602c651e71a3e60e64b8258f0cbf06796ec93e8f0688d8d838347bdb2bff

  • SHA512

    1d2f82949286ecea6d1ab742f5e2d03cc6f276e3e371526838bc65d55f42ea753931fc8f3717b2a5a0ccd93841611d102069493a922fa02e1a749ac12386c640

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYI:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ym

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 3 IoCs
  • Loads dropped DLL 13 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.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95b8602c651e71a3e60e64b8258f0cbf06796ec93e8f0688d8d838347bdb2bff.exe
    "C:\Users\Admin\AppData\Local\Temp\95b8602c651e71a3e60e64b8258f0cbf06796ec93e8f0688d8d838347bdb2bff.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:1160
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1200
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 160
          3⤵
          • Loads dropped DLL
          • Program crash
          PID:2952
      • 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:2636
        • 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:1764
        • 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:1756
          • 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:1260
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\2Tb0j8BbfCzQ.bat" "
            4⤵
              PID:3028
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2492
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2192
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1756 -s 1508
                4⤵
                • Program crash
                PID:3008
          • C:\Users\Admin\AppData\Local\Temp\95b8602c651e71a3e60e64b8258f0cbf06796ec93e8f0688d8d838347bdb2bff.exe
            "C:\Users\Admin\AppData\Local\Temp\95b8602c651e71a3e60e64b8258f0cbf06796ec93e8f0688d8d838347bdb2bff.exe"
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2804
          • 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:2012
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {3426B0AD-396F-4C88-8F3B-D6F79EFEE0BA} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]
          1⤵
            PID:1940
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              2⤵
                PID:1076
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  3⤵
                    PID:2936
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      4⤵
                        PID:1676
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 160
                        4⤵
                        • Program crash
                        PID:1184
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      3⤵
                        PID:1624
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        3⤵
                          PID:1884
                        • 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:1380

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Temp\2Tb0j8BbfCzQ.bat

                      Filesize

                      208B

                      MD5

                      2f2d983e3efc19f84d4c48ac9c1f26ba

                      SHA1

                      61ab498d8dde5d37e454d03cfb710287ef0fe742

                      SHA256

                      17e7b70ceea84effc565dfd36b0bce422601f65adf23fb761c170826a16f64d8

                      SHA512

                      b0edf8154bd8eb0d0753a5ff9b40be49c27fd72ceccd484cf508c4a9133b93f2cacdf9e284b1b5d802dffbce2c6e1b879f6948ab90de76c24b4e80c7f0304ea1

                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                      Filesize

                      405KB

                      MD5

                      b8ba87ee4c3fc085a2fed0d839aadce1

                      SHA1

                      b3a2e3256406330e8b1779199bb2b9865122d766

                      SHA256

                      4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                      SHA512

                      7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\OA5TJ2IP.txt

                      Filesize

                      213B

                      MD5

                      7a932d153c78b2a644df18d8a0f1cf5c

                      SHA1

                      4cd1a0cf4d2301eefe78fcc469a0055f4ecddee1

                      SHA256

                      875d34b680790809dfcca796e02dc9afc5997a25574c861ddd3c11d1b2fb427a

                      SHA512

                      4056c3cedfa845bb16abac691d7bc7b70ae0fb40306a0e2eb8102968f83034c7b2b5f6d0713b0c4fca8685b1377067b417d1d4c14332b10e8fdf3e94bc64be18

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

                      Filesize

                      2.0MB

                      MD5

                      d08b89f69c97926ee37d6330ccfdda55

                      SHA1

                      eb6ac1a283f538bfad141a931a77b57ad56de63c

                      SHA256

                      551464ad099b480efea5d4176967880f63a76d5f875acfd3d74cfd388a628b1e

                      SHA512

                      1d517d4a81376431564694c3ac806925d77eeb5e093ac9ccd5c644db9ec07dc13bfad389e0bb28dbf888e5cb33801a11485463562589919a75add37727098ed7

                    • \Users\Admin\AppData\Local\Temp\windef.exe

                      Filesize

                      349KB

                      MD5

                      b4a202e03d4135484d0e730173abcc72

                      SHA1

                      01b30014545ea526c15a60931d676f9392ea0c70

                      SHA256

                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                      SHA512

                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                    • memory/1160-30-0x0000000000300000-0x0000000000301000-memory.dmp

                      Filesize

                      4KB

                    • memory/1624-105-0x0000000001020000-0x000000000107E000-memory.dmp

                      Filesize

                      376KB

                    • memory/1756-58-0x00000000013D0000-0x000000000142E000-memory.dmp

                      Filesize

                      376KB

                    • memory/1884-98-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2636-46-0x0000000000950000-0x00000000009AE000-memory.dmp

                      Filesize

                      376KB

                    • memory/2804-33-0x0000000000080000-0x00000000000A0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2804-43-0x0000000000080000-0x00000000000A0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2804-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2804-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                      Filesize

                      4KB