Analysis

  • max time kernel
    4s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 12:48

General

  • Target

    fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.exe

  • Size

    2.0MB

  • MD5

    7cd2f6334fc4e452e1833b739469a870

  • SHA1

    290b3da7d706b90f1a44364db8545fc52499fa5f

  • SHA256

    fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081

  • SHA512

    efd0e30b0ed566d78bdc8034b7b505a74fde7ef03f3f98d156c4090c32f66954b161070006b20b2c2e3827f12cb84a9d7c2d6c858a078599654e8c04f92e5a8f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

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 5 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 3 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 3 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\fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.exe
    "C:\Users\Admin\AppData\Local\Temp\fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.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:3228
    • 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:4464
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1400
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 548
          3⤵
          • Program crash
          PID:1828
      • 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:3208
        • 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:4284
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
            PID:404
            • 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:3448
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JWlu1SPacddT.bat" "
              4⤵
                PID:2800
                • C:\Windows\SysWOW64\chcp.com
                  chcp 65001
                  5⤵
                    PID:3040
                  • C:\Windows\SysWOW64\PING.EXE
                    ping -n 10 localhost
                    5⤵
                    • System Network Configuration Discovery: Internet Connection Discovery
                    • Runs ping.exe
                    PID:3532
                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                    5⤵
                      PID:216
                      • 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:2356
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mjvFbKWE9Bj3.bat" "
                        6⤵
                          PID:4668
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            7⤵
                              PID:4676
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              7⤵
                              • System Network Configuration Discovery: Internet Connection Discovery
                              • Runs ping.exe
                              PID:2924
                            • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                              "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                              7⤵
                                PID:3168
                                • 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:4216
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\rIqx3feHdw1p.bat" "
                                  8⤵
                                    PID:2216
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 65001
                                      9⤵
                                        PID:676
                                      • C:\Windows\SysWOW64\PING.EXE
                                        ping -n 10 localhost
                                        9⤵
                                        • System Network Configuration Discovery: Internet Connection Discovery
                                        • Runs ping.exe
                                        PID:384
                                      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                        9⤵
                                          PID:772
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 2304
                                        8⤵
                                        • Program crash
                                        PID:2232
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 1988
                                    6⤵
                                    • Program crash
                                    PID:2680
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 404 -s 2264
                                4⤵
                                • Program crash
                                PID:4208
                          • C:\Users\Admin\AppData\Local\Temp\fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.exe
                            "C:\Users\Admin\AppData\Local\Temp\fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.exe"
                            2⤵
                            • System Location Discovery: System Language Discovery
                            PID:3560
                          • 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:2800
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4464 -ip 4464
                          1⤵
                            PID:2400
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 404 -ip 404
                            1⤵
                              PID:2508
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              1⤵
                                PID:1776
                                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                                  2⤵
                                    PID:4228
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k
                                      3⤵
                                        PID:3268
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -u -p 4228 -s 520
                                        3⤵
                                        • Program crash
                                        PID:4232
                                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                                      2⤵
                                        PID:1488
                                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                        2⤵
                                          PID:3640
                                        • 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:952
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4228 -ip 4228
                                        1⤵
                                          PID:3476
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 216 -ip 216
                                          1⤵
                                            PID:4164
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3168 -ip 3168
                                            1⤵
                                              PID:868

                                            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\JWlu1SPacddT.bat

                                              Filesize

                                              208B

                                              MD5

                                              6ac7ba10b03ae7107f739be7337e3623

                                              SHA1

                                              ffd5d4d8a55359d44123f37f0df4c60eaf04f05f

                                              SHA256

                                              0223f8443924f9109e22fdcd3545be65e546fd944d0b77288670aa37376e137c

                                              SHA512

                                              80ecf26b019887c2c18d3482e4ca7a9732c7186ed0aa4c49de7a895ada45ae383a86c957b6e3203670e366a434949c17e0cc3648f7c7379dafbbe0dfa40be060

                                            • C:\Users\Admin\AppData\Local\Temp\mjvFbKWE9Bj3.bat

                                              Filesize

                                              208B

                                              MD5

                                              db1521010eb2360df2baef31fe7d457a

                                              SHA1

                                              43302f6610210c84dcdb4985d524a561a818d430

                                              SHA256

                                              949642c5bc6ac7b5c5d535e7c5ab18c46f459b8a654873050e4d11bbe074bc5d

                                              SHA512

                                              113b3453f69bc8775bebe925ee6a9d0e819b25cf6353eca54e87422ae43de3370b03f0b61838f156a6b0c1e0c0db02d3fff1dab49a848373fb7ea2979dbbe6a7

                                            • C:\Users\Admin\AppData\Local\Temp\rIqx3feHdw1p.bat

                                              Filesize

                                              208B

                                              MD5

                                              b5124a742d1741709038e1439c71932d

                                              SHA1

                                              18b6a80340de8210fef68a4b9075bc044743c474

                                              SHA256

                                              12d0e545e6f36d3eace2317d4882d1740a890f3d5a468340736a2b53e5980074

                                              SHA512

                                              57fb3b242837dc3e2db1b0bf7223b7bd8bd04ce214195aa13464b5ae13d2d592c687a0d3b957be6c2748ea7c19a6784a3a3fd10bb58771cfedec0a34a5471121

                                            • 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\11-02-2024

                                              Filesize

                                              224B

                                              MD5

                                              be8b7acb502b834a7a0e322154a1cd60

                                              SHA1

                                              5bb4cc49c0640a3be579ccdd5c7144bbb4310d6d

                                              SHA256

                                              a88de50d74ccc3d670400cc98c6f397a20b5955a8e2c530276c9485d2dc5d052

                                              SHA512

                                              8bf4d93a27251fd36e7df8602f95cfbd2e88f079114d3c1a95b027c273410d59352f3524c3eb6799d01d1387d676bede0b3106414ea67c349f683115a3fa9d25

                                            • C:\Users\Admin\AppData\Roaming\Logs\11-02-2024

                                              Filesize

                                              224B

                                              MD5

                                              cd2202a9193f303c9acbb514edd5cd89

                                              SHA1

                                              9b918d86e6536c0410627aaec0d25e132107fb9a

                                              SHA256

                                              745fdf98e2f4b03328dee03543cd0c9ca6736d1141de9d9f97da07941f57b407

                                              SHA512

                                              30445c6027999a85b241ff5504eef7d8d50be715b1850600b5b7d80c9d79b16e8dc9f0c6a92ca0f5da8c53198f92d303e2e7ec85f06e12d0700745a53aa008c6

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

                                              Filesize

                                              2.0MB

                                              MD5

                                              2d7f32c56fc4609bf9e6e10256302a73

                                              SHA1

                                              d186c2916253e2d4ad9723912582446f8ac20675

                                              SHA256

                                              5d32248d78940d9c8e4328cd4025ebe87590ba90be3dbfb7414f4ee0b2ddb1e0

                                              SHA512

                                              d28b8b3c9a177d032edc750e7bf50e86dc5a3281049dd73cdb3742eb4d942907d7a30f7c3e8c551b4f11e3494b7936f9f36241609a10818494701f5f8b0d5568

                                            • memory/404-45-0x0000000006410000-0x000000000641A000-memory.dmp

                                              Filesize

                                              40KB

                                            • memory/3208-29-0x0000000072DFE000-0x0000000072DFF000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3208-37-0x0000000005E40000-0x0000000005E7C000-memory.dmp

                                              Filesize

                                              240KB

                                            • memory/3208-36-0x0000000005900000-0x0000000005912000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/3208-35-0x0000000004BE0000-0x0000000004C46000-memory.dmp

                                              Filesize

                                              408KB

                                            • memory/3208-34-0x0000000004C90000-0x0000000004D22000-memory.dmp

                                              Filesize

                                              584KB

                                            • memory/3208-33-0x0000000005110000-0x00000000056B4000-memory.dmp

                                              Filesize

                                              5.6MB

                                            • memory/3208-32-0x00000000002D0000-0x000000000032E000-memory.dmp

                                              Filesize

                                              376KB

                                            • memory/3228-19-0x0000000003F70000-0x0000000003F71000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3560-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                              Filesize

                                              128KB

                                            • memory/3560-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                              Filesize

                                              128KB