Analysis

  • max time kernel
    5s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2024 11:55

General

  • Target

    SystemPropertiesPerformance.exe

  • Size

    2.0MB

  • MD5

    abd9d4324b9bd2b4baa2cc8367ac3714

  • SHA1

    59714941fa3ff42973897be78700883767c0932e

  • SHA256

    59ebb60e6d9327605a7781155cd83bcd2fc86c333a971fbbed93de1013407425

  • SHA512

    0f0eabde7de1d497622d8368e47690efc09c4d935eab115913a6c084c2f35291fbd19930bc00b05a3c2192abe65ac068b2463b97b1cb4f622a5aa7c8a692ad2f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YJ

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

    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 1 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\SystemPropertiesPerformance.exe
    "C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe"
    1⤵
    • 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:1652
    • 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:3272
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 548
          3⤵
          • Program crash
          PID:4576
      • 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:2556
        • 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:3140
        • 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:4516
          • 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:4752
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PbulT8hu2TJQ.bat" "
            4⤵
              PID:3248
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:624
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1348
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    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
                      6⤵
                      • Scheduled Task/Job: Scheduled Task
                      PID:5080
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ymx3jInPCk9F.bat" "
                      6⤵
                        PID:2288
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4920
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1336
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2952
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4236 -s 2276
                            6⤵
                            • Program crash
                            PID:2804
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 2008
                        4⤵
                        • Program crash
                        PID:4620
                  • C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe
                    "C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3292
                  • 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:3236
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3272 -ip 3272
                  1⤵
                    PID:1712
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4216,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=4244 /prefetch:8
                    1⤵
                      PID:1448
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4516 -ip 4516
                      1⤵
                        PID:4436
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        1⤵
                          PID:540
                          • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                            "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                            2⤵
                              PID:2320
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k
                                3⤵
                                  PID:4732
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 520
                                  3⤵
                                  • Program crash
                                  PID:3636
                              • C:\Users\Admin\AppData\Local\Temp\windef.exe
                                "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                                2⤵
                                  PID:3112
                                  • 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:2484
                                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                    3⤵
                                      PID:4928
                                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                    "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                    2⤵
                                      PID:1828
                                    • 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:2312
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2320 -ip 2320
                                    1⤵
                                      PID:1236
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4236 -ip 4236
                                      1⤵
                                        PID:3740
                                      • C:\Windows\system32\dwm.exe
                                        "dwm.exe"
                                        1⤵
                                          PID:4148
                                        • C:\Windows\system32\dwm.exe
                                          "dwm.exe"
                                          1⤵
                                            PID:388
                                          • C:\Windows\system32\dwm.exe
                                            "dwm.exe"
                                            1⤵
                                              PID:216
                                            • C:\Windows\system32\dwm.exe
                                              "dwm.exe"
                                              1⤵
                                                PID:4828
                                              • C:\Windows\system32\dwm.exe
                                                "dwm.exe"
                                                1⤵
                                                  PID:1360
                                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=3076,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=3064 /prefetch:3
                                                  1⤵
                                                    PID:4336
                                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=4020,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=1736 /prefetch:3
                                                    1⤵
                                                      PID:180
                                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=3064,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=3856 /prefetch:3
                                                      1⤵
                                                        PID:4152

                                                      Network

                                                      MITRE ATT&CK Enterprise v15

                                                      Replay Monitor

                                                      Loading Replay Monitor...

                                                      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\PbulT8hu2TJQ.bat

                                                        Filesize

                                                        208B

                                                        MD5

                                                        7b1a643100e228e47d16ee6e6770028e

                                                        SHA1

                                                        11d3c836140fd757ada1d5a4f35590ce7e285dbf

                                                        SHA256

                                                        1f6fafce36675a27ca9693b992024e2f0c425fd273bad48a31da92f524850b7f

                                                        SHA512

                                                        517a1895081ac74a53d83b4b7a80b0a729255318a06f999db051cb040380adf6ba377d998b0bf541b8af679388a749d8650e889c242daf32a5dec3de13712696

                                                      • 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\Local\Temp\ymx3jInPCk9F.bat

                                                        Filesize

                                                        208B

                                                        MD5

                                                        f9b41fdc9285300a0965919ce36497b3

                                                        SHA1

                                                        6105ea9ad0d1e840ff4119a91f9b5f25eefa4918

                                                        SHA256

                                                        ce04e2e7da9a97d6f55934da659b44bca7cc0085a77435b52891a0da43d13914

                                                        SHA512

                                                        ebba7a7baed62164e8e799efbef6ac7e384ea0be0e7175d11e22e5465c17e5399728d7c25624d8aafb7bacc689e5cef8aab11ad92a9863a4e74f5f864db46678

                                                      • C:\Users\Admin\AppData\Roaming\Logs\09-17-2024

                                                        Filesize

                                                        224B

                                                        MD5

                                                        cb13134f35b7e3d105682855e33f81cd

                                                        SHA1

                                                        759473f1ed7d8d168f81aecbac342c1a0fd3f23c

                                                        SHA256

                                                        ce89e87253e7bfb4d997b264ad1cd8193027138e5006ac4bb69b8429dd906d75

                                                        SHA512

                                                        3d680b0b2843ea116d05f00bbc19ad199db07595e7761df29f77b7ba0d584bf31127dd4e01b453ebcf9d16ccac3de2f0e6e4809dccef460076f9165077f007ff

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

                                                        Filesize

                                                        2.0MB

                                                        MD5

                                                        fe48e9a01128f5ad9c4088dfc90c4e17

                                                        SHA1

                                                        9411b2b0fa2391f7ca498a9cc8a3a22bdce5b886

                                                        SHA256

                                                        52afd9cd67f57dcb46be8bc429b31930718e450ddd50f8d61d89aca510071812

                                                        SHA512

                                                        216e0e739668bdb896274eb02359a5210d783aa96898a94c93aeaa7d74aab46fb711f7e66748658f77485cf6aa7dd3114f80bfb5258e1f17d24a5f82f8c0a1ca

                                                      • memory/1652-19-0x0000000004160000-0x0000000004161000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1828-77-0x0000000000A00000-0x0000000000A20000-memory.dmp

                                                        Filesize

                                                        128KB

                                                      • memory/1828-71-0x0000000000A00000-0x0000000000A20000-memory.dmp

                                                        Filesize

                                                        128KB

                                                      • memory/2556-28-0x00000000729CE000-0x00000000729CF000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2556-37-0x0000000005C90000-0x0000000005CCC000-memory.dmp

                                                        Filesize

                                                        240KB

                                                      • memory/2556-36-0x0000000005750000-0x0000000005762000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2556-35-0x0000000004A30000-0x0000000004A96000-memory.dmp

                                                        Filesize

                                                        408KB

                                                      • memory/2556-34-0x0000000004950000-0x00000000049E2000-memory.dmp

                                                        Filesize

                                                        584KB

                                                      • memory/2556-33-0x0000000004E60000-0x0000000005404000-memory.dmp

                                                        Filesize

                                                        5.6MB

                                                      • memory/2556-30-0x0000000000010000-0x000000000006E000-memory.dmp

                                                        Filesize

                                                        376KB

                                                      • memory/3292-29-0x0000000000A90000-0x0000000000AB0000-memory.dmp

                                                        Filesize

                                                        128KB

                                                      • memory/3292-20-0x0000000000A90000-0x0000000000AB0000-memory.dmp

                                                        Filesize

                                                        128KB

                                                      • memory/4516-45-0x00000000066B0000-0x00000000066BA000-memory.dmp

                                                        Filesize

                                                        40KB