Analysis

  • max time kernel
    6s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 20:14

General

  • Target

    SystemPropertiesPerformance.exe

  • Size

    2.0MB

  • MD5

    dfbc6ca1e054a26d40e2ca06c8ebecdf

  • SHA1

    0b8445b40da39496c44080baef5928bc1a3d54bc

  • SHA256

    76189a74bf343877a2099a2d970eccbc354d8eabd07bc6acc018e99e067bb9fe

  • SHA512

    73319d7c2bdef5196eaf8de0a26d92bc2d34c278ca32b8d1000f03d6ef451900e22f42cfe4e8dc72a9be09428048675625184e1c3021ecfde49b039fec3dcfc7

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYC:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YM

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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 5 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:1648
    • 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:1212
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 548
          3⤵
          • Program crash
          PID:3608
      • 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:3428
        • 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:3820
        • 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:4904
          • 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:4768
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6C7u4DKgtmru.bat" "
            4⤵
              PID:5000
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3448
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4944
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4772
                    • 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\pWlbQvUCnZUb.bat" "
                      6⤵
                        PID:3708
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2352
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4628
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2464
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4772 -s 2232
                            6⤵
                            • Program crash
                            PID:4508
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 1668
                        4⤵
                        • Program crash
                        PID:4892
                  • C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe
                    "C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4068
                  • 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:4040
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3272 -ip 3272
                  1⤵
                    PID:1104
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4960
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3380
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2356
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 520
                              3⤵
                              • Program crash
                              PID:1724
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3636
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4964
                              • 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:1332
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3380 -ip 3380
                              1⤵
                                PID:832
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4904 -ip 4904
                                1⤵
                                  PID:3500
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4772 -ip 4772
                                  1⤵
                                    PID:1660
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4388
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:760
                                      • C:\Windows\system32\dwm.exe
                                        "dwm.exe"
                                        1⤵
                                          PID:4172
                                        • C:\Windows\system32\dwm.exe
                                          "dwm.exe"
                                          1⤵
                                            PID:3012
                                          • C:\Windows\system32\dwm.exe
                                            "dwm.exe"
                                            1⤵
                                              PID:3028
                                            • C:\Windows\system32\dwm.exe
                                              "dwm.exe"
                                              1⤵
                                                PID:3656
                                              • C:\Windows\system32\dwm.exe
                                                "dwm.exe"
                                                1⤵
                                                  PID:1356
                                                • C:\Windows\system32\dwm.exe
                                                  "dwm.exe"
                                                  1⤵
                                                    PID:3388
                                                  • C:\Windows\system32\sihost.exe
                                                    sihost.exe
                                                    1⤵
                                                      PID:4004
                                                    • C:\Windows\system32\sihost.exe
                                                      sihost.exe
                                                      1⤵
                                                        PID:432
                                                      • C:\Windows\system32\sihost.exe
                                                        sihost.exe
                                                        1⤵
                                                          PID:2004
                                                        • C:\Windows\system32\sihost.exe
                                                          sihost.exe
                                                          1⤵
                                                            PID:4512
                                                          • C:\Windows\system32\sihost.exe
                                                            sihost.exe
                                                            1⤵
                                                              PID:1080
                                                            • C:\Windows\system32\sihost.exe
                                                              sihost.exe
                                                              1⤵
                                                                PID:4524

                                                              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\6C7u4DKgtmru.bat

                                                                Filesize

                                                                208B

                                                                MD5

                                                                7dd06cc88a4e5b7292159d73c2111f28

                                                                SHA1

                                                                b8b426b66c4940235097085a4eeb9320dc34ee03

                                                                SHA256

                                                                89206c970a2e298e5a029b69b6b6d97e1b385a7b11b64e82a299e507d31e5ecc

                                                                SHA512

                                                                bd33787213c0ad31aefd9f51aa67038f18260b3faba10361c761c8c2d4818ca5067b67ffc4e02fa61771ae134f2061959c6512a00052ba277089bd3109f400e8

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

                                                                Filesize

                                                                208B

                                                                MD5

                                                                e6e5f6b16c701ba9d64e32445d31a863

                                                                SHA1

                                                                d11f5944cf4d6e0b7dd15c3f9e3257e2eb832a74

                                                                SHA256

                                                                d372cea26b8310d301443c646e337f6249b9ef57afcd0c0bc615cb2142665edc

                                                                SHA512

                                                                54ef802c532075047056619cb75d618090f6d1244d419a18e0e632707d9f50eac4efc94f80bcbbeabecd215be9cf553800626119aec51115c15391646bfc0b69

                                                              • 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\09-16-2024

                                                                Filesize

                                                                224B

                                                                MD5

                                                                91cfa8199810f46d41399f07101fbf85

                                                                SHA1

                                                                54fda62dec94d3a9d7e64dd3d40ebb1e1e7c996f

                                                                SHA256

                                                                c4ee6ed7fe5eaf7f19d4aab7c472f44019dd0ea9a1dfcfcc29e12eb4f8e8bc5c

                                                                SHA512

                                                                9dccf168ce40c760cee266093f6f939cfe5101b9fb4a92bb5433a551462cb668f747fc3ec0b20ee898222f9c90e6ed7ff7e98cdaaf88cdf23921f351112929f4

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

                                                                Filesize

                                                                2.0MB

                                                                MD5

                                                                d5841b5501109d580c91d3b3f56d0a57

                                                                SHA1

                                                                d1d8052577cc85095621453096dd8266980d5b8c

                                                                SHA256

                                                                b33107fd74ec9a913aa4a8544c4666e2ee36422b383d638bb7d5a14328ce4b0a

                                                                SHA512

                                                                0fa578bab4b865d4ce23f7c3243001b7ef8d684dc38f692d50c428c2d65671b5af8afc81688bd9dd90d7ebb6449a6256d42d0909654529059193e78e77e02612

                                                              • memory/1648-19-0x00000000028C0000-0x00000000028C1000-memory.dmp

                                                                Filesize

                                                                4KB

                                                              • memory/3428-30-0x0000000000ED0000-0x0000000000F2E000-memory.dmp

                                                                Filesize

                                                                376KB

                                                              • memory/3428-35-0x0000000005930000-0x0000000005996000-memory.dmp

                                                                Filesize

                                                                408KB

                                                              • memory/3428-36-0x0000000005D40000-0x0000000005D52000-memory.dmp

                                                                Filesize

                                                                72KB

                                                              • memory/3428-37-0x0000000006A30000-0x0000000006A6C000-memory.dmp

                                                                Filesize

                                                                240KB

                                                              • memory/3428-34-0x0000000005890000-0x0000000005922000-memory.dmp

                                                                Filesize

                                                                584KB

                                                              • memory/3428-33-0x0000000005DA0000-0x0000000006344000-memory.dmp

                                                                Filesize

                                                                5.6MB

                                                              • memory/3428-29-0x0000000072EDE000-0x0000000072EDF000-memory.dmp

                                                                Filesize

                                                                4KB

                                                              • memory/4068-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                                                Filesize

                                                                128KB

                                                              • memory/4068-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                                                Filesize

                                                                128KB

                                                              • memory/4904-45-0x0000000005F60000-0x0000000005F6A000-memory.dmp

                                                                Filesize

                                                                40KB