Analysis

  • max time kernel
    5s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-08-2024 23:34

General

  • Target

    7f2a17039ef040be9fc5bbb63643db5c96a86c66f2f88f0ad2bf3d310074e42c.exe

  • Size

    2.0MB

  • MD5

    2aa63d5fbf31675b8d1da4bd56be8acb

  • SHA1

    44d4335e92151f65e9b2e1149e877aa63e5baa69

  • SHA256

    7f2a17039ef040be9fc5bbb63643db5c96a86c66f2f88f0ad2bf3d310074e42c

  • SHA512

    22b996e991e09ad0ffcc033ad35a50503cd40e3563dc387687c42fed8c606bf95f0258ffbd307abd337d2448b1b7a6715002afb2003088e3b9f73273c2f39ba4

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYh:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yn

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 3 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 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\7f2a17039ef040be9fc5bbb63643db5c96a86c66f2f88f0ad2bf3d310074e42c.exe
    "C:\Users\Admin\AppData\Local\Temp\7f2a17039ef040be9fc5bbb63643db5c96a86c66f2f88f0ad2bf3d310074e42c.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:3400
    • 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:5008
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4592
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5008 -s 548
          3⤵
          • Program crash
          PID:4416
      • 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:2668
        • 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:2864
        • 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:2356
          • 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:4884
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\fmDnnSpBRAdT.bat" "
            4⤵
              PID:2140
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2208
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4572
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:5108
                    • 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:3548
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 2252
                  4⤵
                  • Program crash
                  PID:2796
            • C:\Users\Admin\AppData\Local\Temp\7f2a17039ef040be9fc5bbb63643db5c96a86c66f2f88f0ad2bf3d310074e42c.exe
              "C:\Users\Admin\AppData\Local\Temp\7f2a17039ef040be9fc5bbb63643db5c96a86c66f2f88f0ad2bf3d310074e42c.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2932
            • 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:5068
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5008 -ip 5008
            1⤵
              PID:2308
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2356 -ip 2356
              1⤵
                PID:2224
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:3268
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:3576
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:2736
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 520
                          3⤵
                          • Program crash
                          PID:3428
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:4352
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          2⤵
                            PID:864
                          • 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:3988
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3576 -ip 3576
                          1⤵
                            PID:3704
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:2128
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:1672

                              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\fmDnnSpBRAdT.bat

                                Filesize

                                208B

                                MD5

                                c8b9a4d2149706bfed0800e683fa18a1

                                SHA1

                                0d725b2aca9b10471f34e3520f502ff7746ede63

                                SHA256

                                012e8afee4239f725112daece63eab5e9444d36ca499aa15663c84e60999a413

                                SHA512

                                23b51cb60f4eb27b8b458c1118fb2703c3b3fc4ca96dc217a2fd61cecfe0700ddea5e1949135b06c935c75aaab5ad57082fbef01222b5ead34f62a41467711f6

                              • 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\08-27-2024

                                Filesize

                                224B

                                MD5

                                7a86f375005289e924c5dc30580659ee

                                SHA1

                                d5c2e78dda6bb8b0e54b32c6956451225b3c12b3

                                SHA256

                                6d1705a1bb3f8618141d919056d24deded0273b57426a15e26209a51cc85a72d

                                SHA512

                                c6a674213f5f86e06cc4554d01d7723f69aeaa362af7e74e1bf356b22ad1082ef230a7c943ea595050e181c1a3edebe74e076c4fd6a28bdfb8127962a1ab1083

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

                                Filesize

                                2.0MB

                                MD5

                                1875e8c6d82f7390d7d8033fd7be2da8

                                SHA1

                                382ffc241038fcdabdb3760fe05acb8d7d747ab0

                                SHA256

                                58569500f707c743110c199ff7a0ef3f650976a59d5026f3fddcf850b9a26e11

                                SHA512

                                1ead4685bc9cf8d7a2fcb245267a6727479443b368b0034434f60e8b6729abdac9b1720a045da26d644a6b465ce73801e9300a882fdec75794009eb6262c522a

                              • memory/2356-45-0x0000000006E90000-0x0000000006E9A000-memory.dmp

                                Filesize

                                40KB

                              • memory/2668-34-0x00000000055D0000-0x0000000005662000-memory.dmp

                                Filesize

                                584KB

                              • memory/2668-33-0x0000000005A40000-0x0000000005FE4000-memory.dmp

                                Filesize

                                5.6MB

                              • memory/2668-35-0x0000000005530000-0x0000000005596000-memory.dmp

                                Filesize

                                408KB

                              • memory/2668-36-0x0000000006350000-0x0000000006362000-memory.dmp

                                Filesize

                                72KB

                              • memory/2668-37-0x0000000006890000-0x00000000068CC000-memory.dmp

                                Filesize

                                240KB

                              • memory/2668-32-0x0000000000C00000-0x0000000000C5E000-memory.dmp

                                Filesize

                                376KB

                              • memory/2668-29-0x00000000730DE000-0x00000000730DF000-memory.dmp

                                Filesize

                                4KB

                              • memory/2932-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/2932-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                Filesize

                                128KB

                              • memory/3400-19-0x0000000001280000-0x0000000001281000-memory.dmp

                                Filesize

                                4KB