Analysis

  • max time kernel
    5s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2024 00:18

General

  • Target

    dc86d27676c9fbf2fb127d4d282d27baadd9223b404e082bcc8e1a80f7fe0a5cN.exe

  • Size

    2.0MB

  • MD5

    960ff540abee5ffceffa1542e18488d0

  • SHA1

    9777a87a1caac1e59e4f60f3aab007807a3a3f9a

  • SHA256

    dc86d27676c9fbf2fb127d4d282d27baadd9223b404e082bcc8e1a80f7fe0a5c

  • SHA512

    e912e09ae3d85729c7035a9d2f777637665891c728b35e0ccf04a6a22af3fa99cdcf010382241a9159a6236e3d7b8eec730a0f7a862c1b84d2a376a8fca764a1

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYR:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yr

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.

  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • 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\dc86d27676c9fbf2fb127d4d282d27baadd9223b404e082bcc8e1a80f7fe0a5cN.exe
    "C:\Users\Admin\AppData\Local\Temp\dc86d27676c9fbf2fb127d4d282d27baadd9223b404e082bcc8e1a80f7fe0a5cN.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:3560
    • 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:3216
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:5044
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 560
          3⤵
          • Program crash
          PID:1204
      • 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:4156
        • 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:1724
        • 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:1660
          • 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:3136
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ZF3NY9bkzohj.bat" "
            4⤵
              PID:2196
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3600
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3208
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1360
                    • 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:5104
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\wKR3pDnhIfgL.bat" "
                      6⤵
                        PID:4780
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4532
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2972
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1568
                              • 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:4116
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 2236
                            6⤵
                            • Program crash
                            PID:3348
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 2276
                        4⤵
                        • Program crash
                        PID:3544
                  • C:\Users\Admin\AppData\Local\Temp\dc86d27676c9fbf2fb127d4d282d27baadd9223b404e082bcc8e1a80f7fe0a5cN.exe
                    "C:\Users\Admin\AppData\Local\Temp\dc86d27676c9fbf2fb127d4d282d27baadd9223b404e082bcc8e1a80f7fe0a5cN.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1012
                  • 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:3832
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3216 -ip 3216
                  1⤵
                    PID:3132
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1660 -ip 1660
                    1⤵
                      PID:2664
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2824
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3956
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:728
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3956 -s 520
                                3⤵
                                • Program crash
                                PID:3528
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:3616
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3464
                                • 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:860
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3956 -ip 3956
                                1⤵
                                  PID:2400
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1360 -ip 1360
                                  1⤵
                                    PID:3944
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2220
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4988

                                      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\ZF3NY9bkzohj.bat

                                        Filesize

                                        208B

                                        MD5

                                        59cbeaa0f18f9628224eb5245e81898c

                                        SHA1

                                        f44efeb75fdedc4fc9803ca2dfa74e634c922633

                                        SHA256

                                        df7b9f9e5c76e38d3582525104eacbdd734ae2e99937e8470e16341c78ef719c

                                        SHA512

                                        50da5c47da29d47aacef4793e8b3041e4391e2cd7ed271e107d20c1b0ecfec39d0c7bd618c6572c03f51a5d1e77c8466c691f7bd5e839713cc5908ae698621cd

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

                                        Filesize

                                        405KB

                                        MD5

                                        b8ba87ee4c3fc085a2fed0d839aadce1

                                        SHA1

                                        b3a2e3256406330e8b1779199bb2b9865122d766

                                        SHA256

                                        4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                        SHA512

                                        7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                                      • C:\Users\Admin\AppData\Local\Temp\wKR3pDnhIfgL.bat

                                        Filesize

                                        208B

                                        MD5

                                        321f627e1d3401ff001f2e52c73f0543

                                        SHA1

                                        b56b18d815f731772e8b93c5777196f2578ca133

                                        SHA256

                                        8d74a9d627edc8f8a54298af92da6996bbd8c9981e7997fcadbe8d80514d3940

                                        SHA512

                                        85a09b90a47666afb1edc44ea448e90be987a85f7df4f10413ddc961031eda98d5f2320ced7337460a07fd01d070e2eb1604b07d3b4fc6569eb55743204a2910

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

                                        Filesize

                                        349KB

                                        MD5

                                        b4a202e03d4135484d0e730173abcc72

                                        SHA1

                                        01b30014545ea526c15a60931d676f9392ea0c70

                                        SHA256

                                        7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                        SHA512

                                        632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                                      • C:\Users\Admin\AppData\Roaming\Logs\10-22-2024

                                        Filesize

                                        224B

                                        MD5

                                        b457ad7e9cbdf0c93c5773054e3d4bbb

                                        SHA1

                                        09a230cee1a786d76449f3188e1c7455192e036e

                                        SHA256

                                        f9420a4be42a4b28668ef03ebed11451623b81d91a20f47284cc084e3e568016

                                        SHA512

                                        1a2b906de93275bd72b77404afc4b7716836346963e964c60e1370a31dca846bbd87e7a05c6e6f12f82f59562c00c067144e310eade8b4bccb06a552a108abce

                                      • C:\Users\Admin\AppData\Roaming\Logs\10-22-2024

                                        Filesize

                                        224B

                                        MD5

                                        365353114d5f38c4e4614b710e115633

                                        SHA1

                                        552e520f3956690448227b4850a312d542d9c949

                                        SHA256

                                        8f0c86616298874efd41de26cc72f5a4d89109e44d4e35d858b42add8f19f9cb

                                        SHA512

                                        5b9c2c60a16c6fe24ddab37d6295e798674446dffc016ac2ac32dd68815933ce3dff9aa8e6a73e9d841055cff1740ef7e1497c017e9d45926bcc9e04128301eb

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        89bb68bd6a8e6dc2bdedf828ae173e14

                                        SHA1

                                        da3b9cdd0139f2b85e9da60314fdee494c7ada31

                                        SHA256

                                        27b5ea3bc3d9d1b351c1cc168b603ab31242d5d040b24362b0d0704b7bc8e899

                                        SHA512

                                        4893d0a6d2ded6fe3ebb175e50c91fdfee7383882a3b6aeb0de8dd10706cd5520f3caf1c06b88478bf45a3ddbf36eddf9d34936b08c7ad4182c223b1715c2eee

                                      • memory/1012-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1012-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1568-89-0x0000000072A30000-0x0000000072ADB000-memory.dmp

                                        Filesize

                                        684KB

                                      • memory/1660-45-0x00000000064A0000-0x00000000064AA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3464-74-0x00000000003C0000-0x00000000003E0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3464-80-0x00000000003C0000-0x00000000003E0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3560-19-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4156-29-0x0000000072B0E000-0x0000000072B0F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4156-37-0x0000000006010000-0x000000000604C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4156-36-0x0000000005AD0000-0x0000000005AE2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4156-35-0x0000000004EC0000-0x0000000004F26000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4156-34-0x0000000004E20000-0x0000000004EB2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4156-33-0x00000000052C0000-0x0000000005864000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4156-30-0x0000000000490000-0x00000000004EE000-memory.dmp

                                        Filesize

                                        376KB