Analysis

  • max time kernel
    4s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2024 23:02

General

  • Target

    446d87d8c1647b0a2990af18739edaa24109fe444fb66140f3ca211e9d0a99cf.exe

  • Size

    2.0MB

  • MD5

    8234337f5c641763124fb6bcef997c24

  • SHA1

    af41f1323d08284719c95f449c73b422e70d6391

  • SHA256

    446d87d8c1647b0a2990af18739edaa24109fe444fb66140f3ca211e9d0a99cf

  • SHA512

    34f45c0964b7071d8bff2a063f89c1ccfa5afda51e75ee5b5135993104190a0051fbde37188875f83f3658a715b5125717798df605732bf63d9bcd1c7cebf7dd

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY+:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YY

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 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 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 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 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\446d87d8c1647b0a2990af18739edaa24109fe444fb66140f3ca211e9d0a99cf.exe
    "C:\Users\Admin\AppData\Local\Temp\446d87d8c1647b0a2990af18739edaa24109fe444fb66140f3ca211e9d0a99cf.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:1272
    • 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:1188
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3296
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 548
          3⤵
          • Program crash
          PID:3500
      • 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:1812
        • 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:4896
        • 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:3596
          • 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:1892
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\K2lDlVDGzKes.bat" "
            4⤵
              PID:2696
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3228
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4236
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3852
                    • 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:2892
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HP8k1q5soSA7.bat" "
                      6⤵
                        PID:1340
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4796
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:5024
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3528
                              • 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:3148
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3852 -s 2256
                            6⤵
                            • Program crash
                            PID:4972
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 1996
                        4⤵
                        • Program crash
                        PID:3080
                  • C:\Users\Admin\AppData\Local\Temp\446d87d8c1647b0a2990af18739edaa24109fe444fb66140f3ca211e9d0a99cf.exe
                    "C:\Users\Admin\AppData\Local\Temp\446d87d8c1647b0a2990af18739edaa24109fe444fb66140f3ca211e9d0a99cf.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4948
                  • 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:1280
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1188 -ip 1188
                  1⤵
                    PID:1116
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:2436
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3416
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2500
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 520
                              3⤵
                              • Program crash
                              PID:5040
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2256
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4636
                              • 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:2340
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3416 -ip 3416
                              1⤵
                                PID:884
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3596 -ip 3596
                                1⤵
                                  PID:4416
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3852 -ip 3852
                                  1⤵
                                    PID:3920
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2820
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:940

                                      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\HP8k1q5soSA7.bat

                                        Filesize

                                        208B

                                        MD5

                                        1464d45d41139f37eec67ff2e8e36287

                                        SHA1

                                        c1dda56294977c477507952957c70e9294b9b100

                                        SHA256

                                        4d877d15d23dd1ed9e1f8d51231ada739fe323bacd23c539c30f15466cf303d7

                                        SHA512

                                        d2149c88c11ade13a5001b9c9af72e57ddb6bc726e1beee2f0e0525df8e5fcf5157687802ace76773d8b128c7edafe10edf6e32c703158c08349159c6fee1b09

                                      • C:\Users\Admin\AppData\Local\Temp\K2lDlVDGzKes.bat

                                        Filesize

                                        208B

                                        MD5

                                        0cd8850d70b3b420925068a58932fddb

                                        SHA1

                                        6e17726c80bdb0175baad6c9e158619eeeb5fa90

                                        SHA256

                                        d15d2c29aaf8dd050e85226c817f02a522b68f57b79b541ac1ecba3bf3ff0e6c

                                        SHA512

                                        6e22e78b58ac36b734e2f75e4accde2dc012117e612e95692220fd6b0c7b1a46a482cc70500cfd43a09dda5ea521c9983ae313458d795da169892809c49b4749

                                      • 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\11-27-2024

                                        Filesize

                                        224B

                                        MD5

                                        8ad03c5ffee9802814ef39df167d369e

                                        SHA1

                                        5bbce1165621a64951b307a69af7977bb3f24286

                                        SHA256

                                        a7318fd6710d1862996524715773ca94d41020bac4a6fcfb1af4808fe27e6c78

                                        SHA512

                                        3f234a4b8c54b49418859cce97f4a17e2db3a02d7362e3a9c7f32b86f85de3b73fad4e8dbe4d54124108d9ade4ba95fca93423de384967db865542b071d2619a

                                      • C:\Users\Admin\AppData\Roaming\Logs\11-27-2024

                                        Filesize

                                        224B

                                        MD5

                                        db583bf6b24c86b1ae196efc4925ce3b

                                        SHA1

                                        7da396136b80d059b86c02ef6991453ce45695e8

                                        SHA256

                                        583a5360f7b545a7e9937cd884efeb2c6dce90ac1a6e9a8e45667298143f10f6

                                        SHA512

                                        b751a2b2ef0a1a278427e3ed21e0b8dbe696ec159ef26a39f31aed31a18014f2cd55c8c69a24e4b18c85f831beb92fabe04e4905a56e6efa5da0d157bd28ab45

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        4b2eac4c15b31c6679253b9dafff41b3

                                        SHA1

                                        7d3ba8798a18b9dde6dccb69eafded92d6638d1f

                                        SHA256

                                        90bfbfe2f0cb7af5e8963dfc38be36f37d105dec4e7d77c7e62c0669ee0f8760

                                        SHA512

                                        70737760ce9ecdde3158471c55cfdcabe470bf1b9be11a76e903968a05ba1675acd9bc6c1bd14369724ecad7582ef7004f5a006dda5a0f3dc332ceaa4226224d

                                      • memory/1272-20-0x0000000000D50000-0x0000000000D51000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1812-33-0x00000000054D0000-0x0000000005A74000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/1812-34-0x0000000004FC0000-0x0000000005052000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/1812-35-0x0000000004F20000-0x0000000004F86000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/1812-36-0x0000000005480000-0x0000000005492000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1812-37-0x0000000006180000-0x00000000061BC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/1812-30-0x00000000005F0000-0x000000000064E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/1812-19-0x000000007328E000-0x000000007328F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3596-45-0x0000000006B70000-0x0000000006B7A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4948-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4948-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB