Analysis

  • max time kernel
    4s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 17:42

General

  • Target

    25296f138f74f38c8949c754b86d3a44917090dd8ea3bcbfd734177f8104f344N.exe

  • Size

    2.0MB

  • MD5

    6a7d5d573ac1865bf1850548b081ad50

  • SHA1

    aea59900513c06a3a95f93696a86492105e4fa1a

  • SHA256

    25296f138f74f38c8949c754b86d3a44917090dd8ea3bcbfd734177f8104f344

  • SHA512

    26cf795a921799554e201fd896df02c9837f0cb2538dd9bafe1d960f156a3901c5237135fd21fa4489e601b9e2625d1f83ce08c571ba57f1f7ece63c3def924f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY/:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y5

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 3 IoCs

    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 2 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 2 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 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 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 6 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25296f138f74f38c8949c754b86d3a44917090dd8ea3bcbfd734177f8104f344N.exe
    "C:\Users\Admin\AppData\Local\Temp\25296f138f74f38c8949c754b86d3a44917090dd8ea3bcbfd734177f8104f344N.exe"
    1⤵
    • Quasar RAT
    • 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:1624
    • 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:3648
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 548
          3⤵
          • Program crash
          PID:384
      • 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
        PID:2820
        • 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:2024
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
            PID:4412
            • 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:3188
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4Yqs8c15KXGf.bat" "
              4⤵
                PID:1948
                • C:\Windows\SysWOW64\chcp.com
                  chcp 65001
                  5⤵
                    PID:2220
                  • C:\Windows\SysWOW64\PING.EXE
                    ping -n 10 localhost
                    5⤵
                    • System Network Configuration Discovery: Internet Connection Discovery
                    • Runs ping.exe
                    PID:3388
                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                    5⤵
                      PID:3404
                      • 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:4576
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\vyLRifvpXx3f.bat" "
                        6⤵
                          PID:2056
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            7⤵
                              PID:1280
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              7⤵
                              • System Network Configuration Discovery: Internet Connection Discovery
                              • Runs ping.exe
                              PID:1328
                            • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                              "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                              7⤵
                                PID:4524
                                • 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
                                  8⤵
                                  • Scheduled Task/Job: Scheduled Task
                                  PID:4928
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 2240
                              6⤵
                              • Program crash
                              PID:4156
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 1748
                          4⤵
                          • Program crash
                          PID:3620
                    • C:\Users\Admin\AppData\Local\Temp\25296f138f74f38c8949c754b86d3a44917090dd8ea3bcbfd734177f8104f344N.exe
                      "C:\Users\Admin\AppData\Local\Temp\25296f138f74f38c8949c754b86d3a44917090dd8ea3bcbfd734177f8104f344N.exe"
                      2⤵
                      • System Location Discovery: System Language Discovery
                      PID:4964
                    • 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:2220
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3648 -ip 3648
                    1⤵
                      PID:2672
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3856
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4568
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2736
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 520
                                3⤵
                                • Program crash
                                PID:2936
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4516
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2128
                                • 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:1732
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4568 -ip 4568
                                1⤵
                                  PID:4836
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4412 -ip 4412
                                  1⤵
                                    PID:2672
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3404 -ip 3404
                                    1⤵
                                      PID:2652
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2148
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:3920

                                        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\4Yqs8c15KXGf.bat

                                          Filesize

                                          208B

                                          MD5

                                          a199cfaafecf104762cf108ae3dd00e5

                                          SHA1

                                          488053bf1540029e991768f960130b94b6bbcac0

                                          SHA256

                                          eca44792e8767fb9b4b486a3dac48c35ad905d77a24bf95cccfe101ae6c2b539

                                          SHA512

                                          235c19af38c7a5b7cf0de02a433875330d94f2d9828a9b7d42ea056e0ba8d73b6e797ed59c07c7ea1cbe305cfcec69e7bf1940b8875a978e2e8d6fb0276db08e

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

                                          Filesize

                                          405KB

                                          MD5

                                          b8ba87ee4c3fc085a2fed0d839aadce1

                                          SHA1

                                          b3a2e3256406330e8b1779199bb2b9865122d766

                                          SHA256

                                          4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                          SHA512

                                          7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                                        • C:\Users\Admin\AppData\Local\Temp\vyLRifvpXx3f.bat

                                          Filesize

                                          208B

                                          MD5

                                          4bc774825febf670ae7c8d3a4fd4296f

                                          SHA1

                                          d905bc3750db23b0490d7c8000383a7efed15d76

                                          SHA256

                                          350fc27d00e5262b327b003969eed551ca6c57ea266d5fdc05a754547eae41f4

                                          SHA512

                                          39b2a852a6609e25139b9945dc093c5b42dafab9bf27b6b96e8e8a2057b31ffd1bc573bd1c3608dc7b966de3220d6946534aa56fe7ad9694258fb160ad39a677

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

                                          Filesize

                                          349KB

                                          MD5

                                          b4a202e03d4135484d0e730173abcc72

                                          SHA1

                                          01b30014545ea526c15a60931d676f9392ea0c70

                                          SHA256

                                          7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                          SHA512

                                          632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

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

                                          Filesize

                                          224B

                                          MD5

                                          dd8a6cdeab6fde4f01977cb38ba7602d

                                          SHA1

                                          cb30b39030df36f71a78ebb723970012a2abb021

                                          SHA256

                                          db3b497337d3f3b2f958024fbba1d0fa6fe3f7e691eac94a8d087fb602d6c8c6

                                          SHA512

                                          bfe2223feb29de091506ae333d68d44f3f55c2dd5c342e83aaa59513a7909c75f393faa92ec5ea43f1fa82739d95747b78c169800ab6a8c91acecce2852ef3b3

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

                                          Filesize

                                          224B

                                          MD5

                                          c3bd911bbdd7093eff5223d82b0a7884

                                          SHA1

                                          d6591c713e6773cc9948c63f54b61b982e7a3534

                                          SHA256

                                          a1042a317e7723004033522b8b553f588ce3d9cbaefa10a9338744f4a46a6fad

                                          SHA512

                                          1de0765bf2e1924f22b28f7c4722f7c71d972e3fc17135bc2fda414a0b725ca447967d05c5041718a018c5c50ad1759112e7f6600a42494e1e41c89a3583401e

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          c5d6f148a9344e1794ffa3224d55d36c

                                          SHA1

                                          a6bd4a53fc2b1b597c943eb6c9fce5e84cf31e77

                                          SHA256

                                          ce0c38fb882afe6174848cec2c140b57596fa62fc4114564b87b59a1cc389c7a

                                          SHA512

                                          190a809c355e759fe954f7141a9c328c396be16808c8a1ac4f147218323360d9a16ac993cea9b2635c638017cf603d107f556fb715d155213ce1387aac5c6818

                                        • memory/1624-19-0x0000000000B00000-0x0000000000B01000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2820-34-0x00000000054F0000-0x0000000005556000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/2820-36-0x0000000006730000-0x000000000676C000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/2820-35-0x0000000005940000-0x0000000005952000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2820-33-0x0000000005450000-0x00000000054E2000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/2820-32-0x0000000005960000-0x0000000005F04000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/2820-31-0x0000000000970000-0x00000000009CE000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/4412-44-0x0000000006450000-0x000000000645A000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/4964-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4964-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB