Analysis

  • max time kernel
    2s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    12-01-2025 23:25

General

  • Target

    ea51acdf415222a9f11ce58410075cacf92e5e335ff566887dbeec396632ac5b.exe

  • Size

    2.0MB

  • MD5

    94dd8b8ca039bd5e082063d06d839d1f

  • SHA1

    b37a260e6bf7b95ec7d9c16c5c05d902e9ba2361

  • SHA256

    ea51acdf415222a9f11ce58410075cacf92e5e335ff566887dbeec396632ac5b

  • SHA512

    aac7689ed3ff914b89a84d5973503dca0130471cdb41c18509603d109d236046098ab2aaae991906fd32ae44e3b220efa46e0aa06125e99957314c6b9d681f15

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYx:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YD

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 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea51acdf415222a9f11ce58410075cacf92e5e335ff566887dbeec396632ac5b.exe
    "C:\Users\Admin\AppData\Local\Temp\ea51acdf415222a9f11ce58410075cacf92e5e335ff566887dbeec396632ac5b.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:2376
    • 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:2180
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3060
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 160
          3⤵
          • Loads dropped DLL
          • Program crash
          PID:1732
      • 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:1316
        • 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:600
        • 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
          PID:2916
          • 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:1276
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\KPaZDIPfPWau.bat" "
            4⤵
              PID:1196
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2472
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1864
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 1504
                4⤵
                • Program crash
                PID:2260
          • C:\Users\Admin\AppData\Local\Temp\ea51acdf415222a9f11ce58410075cacf92e5e335ff566887dbeec396632ac5b.exe
            "C:\Users\Admin\AppData\Local\Temp\ea51acdf415222a9f11ce58410075cacf92e5e335ff566887dbeec396632ac5b.exe"
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2860
          • 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:2900
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {022E0867-E283-47EA-905F-9D914662324F} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
          1⤵
            PID:236
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              2⤵
                PID:2464
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  3⤵
                    PID:2456
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      4⤵
                        PID:1524
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      3⤵
                        PID:2088
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        3⤵
                          PID:1964
                        • 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:1348

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

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

                      Filesize

                      208B

                      MD5

                      533a74d14a658f9d0dbb0176505f20e3

                      SHA1

                      870a9db53057f5feffcea3b197ae1e3ce5535c05

                      SHA256

                      5be4b271bc782d531e0907c908de27812dcdaf865bfc80747a7426c015798715

                      SHA512

                      513aa9c9a0b2347010f10f19730f03e4669e404b5f546f04f6870a71f01f393d63173e1234d6368ec428ef59503d64f5392af632c5043ea50d4c2c4ac16bb175

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

                      Filesize

                      405KB

                      MD5

                      b8ba87ee4c3fc085a2fed0d839aadce1

                      SHA1

                      b3a2e3256406330e8b1779199bb2b9865122d766

                      SHA256

                      4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                      SHA512

                      7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

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

                      Filesize

                      2.0MB

                      MD5

                      34556f9f5554d733586c191b5456832e

                      SHA1

                      590412dde19b4c65c39d4af126abbc9fc01d5a4b

                      SHA256

                      9bf575ccc722ee0898aacb334e1b58c15e98a6556f761d629c8e35112d81efd3

                      SHA512

                      80f73ebe7f61e40440758124fa46f21ad9ce8903353d3c5ad585b2d906c5e096cb2501dc686b430c046c9ef516e5421f47bf2791ebd7d64b444b486146fb02e7

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

                      Filesize

                      349KB

                      MD5

                      b4a202e03d4135484d0e730173abcc72

                      SHA1

                      01b30014545ea526c15a60931d676f9392ea0c70

                      SHA256

                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                      SHA512

                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                    • memory/1316-46-0x0000000000D90000-0x0000000000DEE000-memory.dmp

                      Filesize

                      376KB

                    • memory/1524-111-0x00000000000D0000-0x000000000016C000-memory.dmp

                      Filesize

                      624KB

                    • memory/1524-104-0x0000000000020000-0x0000000000021000-memory.dmp

                      Filesize

                      4KB

                    • memory/1524-107-0x00000000000D0000-0x000000000016C000-memory.dmp

                      Filesize

                      624KB

                    • memory/1524-106-0x000007FFFFFD8000-0x000007FFFFFD9000-memory.dmp

                      Filesize

                      4KB

                    • memory/1964-97-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2088-102-0x0000000000A10000-0x0000000000A6E000-memory.dmp

                      Filesize

                      376KB

                    • memory/2376-30-0x0000000000B40000-0x0000000000B41000-memory.dmp

                      Filesize

                      4KB

                    • memory/2860-43-0x0000000000080000-0x00000000000A0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2860-33-0x0000000000080000-0x00000000000A0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2860-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2860-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                      Filesize

                      128KB

                    • memory/2916-58-0x0000000000100000-0x000000000015E000-memory.dmp

                      Filesize

                      376KB