Analysis

  • max time kernel
    4s
  • max time network
    76s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2025 01:59

General

  • Target

    1f0e1cdabcfa169ca3ffd5df3b2dd9bfa2f441c138a70d16da83b2a2ae879492.exe

  • Size

    2.0MB

  • MD5

    fcb93501d62df3432b276be483ae69fc

  • SHA1

    841661015bd135ad3b8991f5fb08a9c04b9f4c2e

  • SHA256

    1f0e1cdabcfa169ca3ffd5df3b2dd9bfa2f441c138a70d16da83b2a2ae879492

  • SHA512

    dfc751b79056f5cb5d8c143d1d01a8baea1cb807b39e3c99abcbb5b5a263c6bbb4a43784d531fa6cd84a3fc1755141faa0774107627d67cc4e13a315aac5b1ad

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y4

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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

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 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 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 4 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 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f0e1cdabcfa169ca3ffd5df3b2dd9bfa2f441c138a70d16da83b2a2ae879492.exe
    "C:\Users\Admin\AppData\Local\Temp\1f0e1cdabcfa169ca3ffd5df3b2dd9bfa2f441c138a70d16da83b2a2ae879492.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1700
    • 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:3084
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 548
          3⤵
          • Program crash
          PID:2344
      • 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
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1904
        • 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:832
        • 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:1224
          • 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:428
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\k1uaKDcfZFlS.bat" "
            4⤵
              PID:4348
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3448
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3728
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1920
                    • 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:3052
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Ik2TT1VhKaSr.bat" "
                      6⤵
                        PID:3796
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2592
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1100
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3668
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 2308
                            6⤵
                            • Program crash
                            PID:4640
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 2008
                        4⤵
                        • Program crash
                        PID:2612
                  • C:\Users\Admin\AppData\Local\Temp\1f0e1cdabcfa169ca3ffd5df3b2dd9bfa2f441c138a70d16da83b2a2ae879492.exe
                    "C:\Users\Admin\AppData\Local\Temp\1f0e1cdabcfa169ca3ffd5df3b2dd9bfa2f441c138a70d16da83b2a2ae879492.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:392
                  • 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:1172
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3084 -ip 3084
                  1⤵
                    PID:1132
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1224 -ip 1224
                    1⤵
                      PID:4576
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4404
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2996
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:60
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 520
                                3⤵
                                • Program crash
                                PID:1564
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:1348
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2260
                                • 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⤵
                                  • Scheduled Task/Job: Scheduled Task
                                  PID:5088
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2996 -ip 2996
                                1⤵
                                  PID:1132
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1920 -ip 1920
                                  1⤵
                                    PID:4992

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log

                                    Filesize

                                    1KB

                                    MD5

                                    10eab9c2684febb5327b6976f2047587

                                    SHA1

                                    a12ed54146a7f5c4c580416aecb899549712449e

                                    SHA256

                                    f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928

                                    SHA512

                                    7e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50

                                  • C:\Users\Admin\AppData\Local\Temp\Ik2TT1VhKaSr.bat

                                    Filesize

                                    208B

                                    MD5

                                    1580e81d870351e776319534f2903940

                                    SHA1

                                    84e8ae9a5fda5b310ce04128ddb26cbcffc4e722

                                    SHA256

                                    e712d8155d77ec81e466077efd115d2f59a1374c3759a8fe005057eddf6ebaff

                                    SHA512

                                    5bad1832756013cb8385cc3ee7de80e5a7283b44b01faaec62bd76ad9de7248025e758eef1026843fadd51cf3b36bff81b1bb9e57e59b9874cd2bf04a69531ee

                                  • C:\Users\Admin\AppData\Local\Temp\k1uaKDcfZFlS.bat

                                    Filesize

                                    208B

                                    MD5

                                    4357205af193c63ab042c5cebe69fc28

                                    SHA1

                                    7cde3c47ed3182f75134ba5872740d5b75d89ce3

                                    SHA256

                                    3970cf73762dc751eb74dfacc30d35fde6c167743ce511623096b028037b62cc

                                    SHA512

                                    2f4f5ea820caf1b437ba8c19cc5034f8f386eb33603bf4eb348bfcae8ac3c5c1541449ff2866093bc5a171b6f7345f905fd3f1b2b04a81a6a919eac7c497f49b

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

                                    Filesize

                                    405KB

                                    MD5

                                    b8ba87ee4c3fc085a2fed0d839aadce1

                                    SHA1

                                    b3a2e3256406330e8b1779199bb2b9865122d766

                                    SHA256

                                    4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                    SHA512

                                    7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

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

                                    Filesize

                                    349KB

                                    MD5

                                    b4a202e03d4135484d0e730173abcc72

                                    SHA1

                                    01b30014545ea526c15a60931d676f9392ea0c70

                                    SHA256

                                    7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                    SHA512

                                    632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                                  • C:\Users\Admin\AppData\Roaming\Logs\01-12-2025

                                    Filesize

                                    224B

                                    MD5

                                    82cd066c5e96ff7a6a806d2de7e52e5e

                                    SHA1

                                    eb114838ff6d6730839e2163848efe82dbcc3b97

                                    SHA256

                                    0926129e9e467063ab173046270c85fc8ae425f6e6a0320f868e040e74f34245

                                    SHA512

                                    279653c2e26df1c319ab1513696edf4bb936d8fa277c15c60d510d7386cf19a44ce601b8a68803733e3c2bfb2bfaee233953ab59cdb0d45de4e0d1f84d6f8feb

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    54c19591fbee17366b101e0be102d53c

                                    SHA1

                                    2dbcfc1181a1f19a92c021aad55b91ae25e779b0

                                    SHA256

                                    9803a09908ed7758d4be75d1e1af28e75d4c8d34b893a9e9ee1ba14cc1f0f482

                                    SHA512

                                    9d510a179650c39e2555d27618e52615273d61f06eea97595a742b5500dfc7485e5a91bb88f35948db93db08c2031ee455b2993b00cb7107d2f8b48bc97620d7

                                  • memory/392-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/392-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1224-45-0x0000000006490000-0x000000000649A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/1700-19-0x00000000022A0000-0x00000000022A1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1904-36-0x0000000005F30000-0x0000000005F42000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1904-37-0x0000000006470000-0x00000000064AC000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/1904-35-0x00000000052E0000-0x0000000005346000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/1904-34-0x0000000005230000-0x00000000052C2000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/1904-33-0x0000000005720000-0x0000000005CC4000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/1904-32-0x0000000000900000-0x000000000095E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/1904-29-0x0000000072C8E000-0x0000000072C8F000-memory.dmp

                                    Filesize

                                    4KB