Analysis

  • max time kernel
    5s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 08:26

General

  • Target

    d4e9c4c14b78e34bc1e44727c47ee86db12cd8443b87def1b58cb2017b265ac9.exe

  • Size

    2.0MB

  • MD5

    ee37334bf6b4c82c303b70c20ccaabb9

  • SHA1

    f51e3b9fba2247fb88e4c759a50915de78aa8eb3

  • SHA256

    d4e9c4c14b78e34bc1e44727c47ee86db12cd8443b87def1b58cb2017b265ac9

  • SHA512

    0061c1e01099f8dfa51929aac6258f5cd37e1049da9796523bc0f7a6a449fd5768da40776210483e0798d268ec5c160dac57e82c53252c96b50999853c565ac7

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYz:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YZ

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\d4e9c4c14b78e34bc1e44727c47ee86db12cd8443b87def1b58cb2017b265ac9.exe
    "C:\Users\Admin\AppData\Local\Temp\d4e9c4c14b78e34bc1e44727c47ee86db12cd8443b87def1b58cb2017b265ac9.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:4368
    • 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:3980
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3420
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3980 -s 560
          3⤵
          • Program crash
          PID:3552
      • 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:964
        • 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:3016
        • 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:3496
          • 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:2728
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SVRbVUYlj93b.bat" "
            4⤵
              PID:384
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4760
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • 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"
                  5⤵
                    PID:3592
                    • 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:3028
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0EZVeIQnUUk0.bat" "
                      6⤵
                        PID:2296
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2016
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:712
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4236
                              • 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:1892
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 2252
                            6⤵
                            • Program crash
                            PID:3884
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3496 -s 2276
                        4⤵
                        • Program crash
                        PID:2920
                  • C:\Users\Admin\AppData\Local\Temp\d4e9c4c14b78e34bc1e44727c47ee86db12cd8443b87def1b58cb2017b265ac9.exe
                    "C:\Users\Admin\AppData\Local\Temp\d4e9c4c14b78e34bc1e44727c47ee86db12cd8443b87def1b58cb2017b265ac9.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3436
                  • 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:1224
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3980 -ip 3980
                  1⤵
                    PID:212
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3044
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:1752
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2444
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 520
                              3⤵
                              • Program crash
                              PID:1528
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:1132
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:3844
                              • 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:1012
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1752 -ip 1752
                              1⤵
                                PID:4472
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3496 -ip 3496
                                1⤵
                                  PID:4032
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3592 -ip 3592
                                  1⤵
                                    PID:4992
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1816
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3652

                                      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\0EZVeIQnUUk0.bat

                                        Filesize

                                        208B

                                        MD5

                                        f1f660af947e7e62d6808e688b2b1070

                                        SHA1

                                        ee9f4ecb7c17fdfb0a3f0efdd8309ef3dedfb9d5

                                        SHA256

                                        12f178d2b3fc1b52696a2162fe23ba42473eeec1f979a1fe5564f479b5d9c4af

                                        SHA512

                                        f1db0f3fabec6a227cbc1d0a0b8bc21b0e96dbee631812557d9a6e1ea477f6904d1505eb7694cc9aa709c3bd60b8287db1db2e47c981a91cf930155132b7b924

                                      • C:\Users\Admin\AppData\Local\Temp\SVRbVUYlj93b.bat

                                        Filesize

                                        208B

                                        MD5

                                        b8a090edc1fdfd90d8de31e79ff1a59f

                                        SHA1

                                        3e54ceeef41a421c198da94b2e758eeed5caabb2

                                        SHA256

                                        acd654b3d16cac0b7584566712850eb2ae39f56ebb01b698138e15af012afa4f

                                        SHA512

                                        3d7465a7fb94db766ff54cea74a9af0886b11ec54865d714cc30eb33d22c1b96168b0eb470febe55c0e5cce660dea75e000857409571b8d3dbeb8797986a8893

                                      • 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\12-04-2024

                                        Filesize

                                        224B

                                        MD5

                                        329905e430bcb2c76d93263a3129a7cb

                                        SHA1

                                        9f9c10f82def4cd4bb9334227afb9fd2ab7f89bd

                                        SHA256

                                        0bbf16bd5cf568b9cad5f46689ae5db7b32aca58907d5d515448af4623fcd22b

                                        SHA512

                                        abf97d84ee05f1a45806c75bc83301b495203076aee26b7243658b8f50a0edbbe6e821acdbee5529d19c53b12683ad976313e64743389384224f15bb096c1643

                                      • C:\Users\Admin\AppData\Roaming\Logs\12-04-2024

                                        Filesize

                                        224B

                                        MD5

                                        0337ffcda251a7df1f76d1725788c2cd

                                        SHA1

                                        9bcdedfd2fd38193af40d858f6ffcca235790d5e

                                        SHA256

                                        c4ddacf0ca27f6034bf710cc4ea3a8f591e095cf51ecfb60936a9db4e8688cee

                                        SHA512

                                        ca7d5869ff7602fbd02d5283a7eb1b20a7bc15482ba9d522fd8eeb9a337a260cb3ca4138ec47acd428d403eb23e7e1850edb25b610c8b9d3ec69ab89d153679a

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        7b9b48bea653d316c4acceb149d9b91e

                                        SHA1

                                        269e9da26b557c5713e809abf10fae95f5d38225

                                        SHA256

                                        dc54d91300cc971f85cbca6b678fb65760ff810a5a672700b82e4f7d3d97a9b6

                                        SHA512

                                        d07d90f2688527eedebb577544a8efaed4723ef56414760ab7e0a1ede302af68e220ddb4ad7aa93832a39f9a0730a1f51dabe745f7f999400423e2cac65c3d60

                                      • memory/964-34-0x0000000005530000-0x0000000005596000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/964-35-0x0000000005B50000-0x0000000005B62000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/964-36-0x0000000006790000-0x00000000067CC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/964-33-0x0000000005670000-0x0000000005702000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/964-32-0x0000000005B80000-0x0000000006124000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/964-31-0x0000000000C10000-0x0000000000C6E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3436-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3436-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3496-44-0x0000000006700000-0x000000000670A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4368-19-0x0000000003460000-0x0000000003461000-memory.dmp

                                        Filesize

                                        4KB