Analysis

  • max time kernel
    4s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 23:44

General

  • Target

    856ed8013769af776eef34ca1d294c1d8746407e7b51c2380b9da7501f4cb53d.exe

  • Size

    2.0MB

  • MD5

    8d07d5f9e4d8868c87a2319720478ec7

  • SHA1

    92d1a1d47a79a359020d8b8bf8741d8f3e2a213a

  • SHA256

    856ed8013769af776eef34ca1d294c1d8746407e7b51c2380b9da7501f4cb53d

  • SHA512

    e56f18a795bc2d29a3b1957bbc7cdc641d9b366cc1502a1087c6a5b0c3d628f11d8887ef75ed9f79c7fd8cd572fbd99296602afdd5dc805357aa476ac5dbde3e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYP:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YV

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
  • 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\856ed8013769af776eef34ca1d294c1d8746407e7b51c2380b9da7501f4cb53d.exe
    "C:\Users\Admin\AppData\Local\Temp\856ed8013769af776eef34ca1d294c1d8746407e7b51c2380b9da7501f4cb53d.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:5100
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2056
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5100 -s 548
          3⤵
          • Program crash
          PID:1196
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5080
        • 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:1372
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:444
          • 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:3588
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5fS28DLn7ij1.bat" "
            4⤵
              PID:1460
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3624
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:4352
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2628
                    • 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:4504
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\qO5MXoXKVMXT.bat" "
                      6⤵
                        PID:5028
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:748
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • Runs ping.exe
                            PID:3612
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4632
                              • 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:4772
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 1964
                            6⤵
                            • Program crash
                            PID:3120
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 444 -s 2240
                        4⤵
                        • Program crash
                        PID:1616
                  • C:\Users\Admin\AppData\Local\Temp\856ed8013769af776eef34ca1d294c1d8746407e7b51c2380b9da7501f4cb53d.exe
                    "C:\Users\Admin\AppData\Local\Temp\856ed8013769af776eef34ca1d294c1d8746407e7b51c2380b9da7501f4cb53d.exe"
                    2⤵
                      PID:1756
                    • 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⤵
                      • Quasar RAT
                      • Scheduled Task/Job: Scheduled Task
                      PID:1924
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5100 -ip 5100
                    1⤵
                      PID:4104
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2488
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3432
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:944
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 520
                                3⤵
                                • Program crash
                                PID:3752
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:5084
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3352
                                • 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:1276
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3432 -ip 3432
                                1⤵
                                  PID:1804
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 444 -ip 444
                                  1⤵
                                    PID:1528
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2628 -ip 2628
                                    1⤵
                                      PID:3752
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1524
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:3028

                                        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\5fS28DLn7ij1.bat

                                          Filesize

                                          208B

                                          MD5

                                          9a26ed1382f105fe3731dd4efa696424

                                          SHA1

                                          0a9d69396b72a0a8559e5831128620688652b8ef

                                          SHA256

                                          1b697504240058b9b5aa80970eb043f3d20d4af4330bfef7ac0f8f8d577de464

                                          SHA512

                                          04e671e6c086565067ee126889cb46fb5ec2a1143c7a0f25a8863e86bc50c54dfbbfad407f7944ef03af756a44338c04e26260f3b3eb811c60401bc636daf12f

                                        • C:\Users\Admin\AppData\Local\Temp\qO5MXoXKVMXT.bat

                                          Filesize

                                          208B

                                          MD5

                                          30bf50eea8e31deb175afd25a96e5e03

                                          SHA1

                                          b8b57c337bd24d7c8e592aa8130f0c57881e73a2

                                          SHA256

                                          5c2ca5f1631ce8fc3f94620c4ea62e45bf77e8c9c430f9eb3282cfaeabc2187c

                                          SHA512

                                          9d19fd5aa3d7a659e39d702a2f21ef1cfe95c33cbcbe6cd8f62adab404c3160c2aebb6666fe36aca938a2317d98431778f82687a7ee49dfd92cba7ac1eb1bc37

                                        • 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\06-27-2024

                                          Filesize

                                          224B

                                          MD5

                                          c3558799a90a2aa9fcffa6045718b912

                                          SHA1

                                          a36fdd85c601772632643cbed47cb8c891773a11

                                          SHA256

                                          866f7c31096f611671e2d8181d1b964d71ec8c50ac6838dd1f8dd1b24c25a361

                                          SHA512

                                          147bb4cc6fba92282c4d625078ec19b4abd43d71d40934b5d2977e22b97a1119382ae8acfe47b7242154e7c9ab0787f02876a52c6b8f735ecc5d35b29744850a

                                        • C:\Users\Admin\AppData\Roaming\Logs\06-27-2024

                                          Filesize

                                          224B

                                          MD5

                                          5757bd60c9dcb6e15b0b9ad7bb308046

                                          SHA1

                                          657b50430d4a2ecaf3561b69e0350b553e084a80

                                          SHA256

                                          00ce79ea9d5cec2d45615fbb84c0093661e53d3f6b8a225a50195bb719a78dac

                                          SHA512

                                          f4d98e4a74f2a2fc773abe604e5c3d0ce24fcd77fb342ea39c2c864369f8bc22be589add90d41fc6a99f6465640792e0b0f0f10123a906e0df4eb5932497b618

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          ec6ce2a289a4c53ee2856a675af9f415

                                          SHA1

                                          2c5c85dde95333b775ae90090ede47e23f58102b

                                          SHA256

                                          9db8eb5da9f5297c1a25260e40556cefaf209d2891e223596be4f33166f89d4d

                                          SHA512

                                          84baa4b0904beca924ba0e2e90bdc12dd5069c407f08ccc5b6621762da998af239e30763aff839b69c102a75818ce8eea1d103aedc37911805115473bcd7af4c

                                        • memory/444-45-0x0000000006960000-0x000000000696A000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/1756-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/1756-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4860-21-0x0000000003E30000-0x0000000003E31000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/5080-36-0x0000000005330000-0x0000000005342000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/5080-37-0x0000000006020000-0x000000000605C000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/5080-35-0x0000000004DE0000-0x0000000004E46000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/5080-34-0x0000000004D20000-0x0000000004DB2000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/5080-33-0x0000000005390000-0x0000000005934000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/5080-30-0x00000000003A0000-0x00000000003FE000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/5080-23-0x0000000072C7E000-0x0000000072C7F000-memory.dmp

                                          Filesize

                                          4KB