Analysis

  • max time kernel
    6s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 18:32

General

  • Target

    08de07b701a1c1643ff078609253000e53f9534a123ed03aa1b26ace6fee12e7.exe

  • Size

    2.0MB

  • MD5

    86e6a8a6a4597cfc25ee49c4e96f3b58

  • SHA1

    70a8a48567497fc431c8d746d3a3e1e01fa65a62

  • SHA256

    08de07b701a1c1643ff078609253000e53f9534a123ed03aa1b26ace6fee12e7

  • SHA512

    aa4d39dea674d86a5a78059a5f40b9bca2b6ffa0c9727a5498cabf0fdded5e06f867479b55b070da9b7662110685c99ffaea739005887cbf35a71fdcb861f4ba

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV: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 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
  • 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\08de07b701a1c1643ff078609253000e53f9534a123ed03aa1b26ace6fee12e7.exe
    "C:\Users\Admin\AppData\Local\Temp\08de07b701a1c1643ff078609253000e53f9534a123ed03aa1b26ace6fee12e7.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:1116
    • 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:4188
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3344
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 544
          3⤵
          • Program crash
          PID:224
      • 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:3712
        • 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:3164
        • 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:656
          • 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:4168
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CkIi6TjLi1Xw.bat" "
            4⤵
              PID:228
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:348
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3732
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:644
                    • 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:116
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WoreanlzW3pf.bat" "
                      6⤵
                        PID:2536
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4420
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1288
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2092
                              • 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:1236
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 644 -s 2000
                            6⤵
                            • Program crash
                            PID:4044
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 656 -s 2256
                        4⤵
                        • Program crash
                        PID:692
                  • C:\Users\Admin\AppData\Local\Temp\08de07b701a1c1643ff078609253000e53f9534a123ed03aa1b26ace6fee12e7.exe
                    "C:\Users\Admin\AppData\Local\Temp\08de07b701a1c1643ff078609253000e53f9534a123ed03aa1b26ace6fee12e7.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1200
                  • 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:348
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4188 -ip 4188
                  1⤵
                    PID:5048
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:2612
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:5064
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4980
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 5064 -s 520
                              3⤵
                              • Program crash
                              PID:2076
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3320
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2188
                              • 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:2856
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5064 -ip 5064
                              1⤵
                                PID:2208
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 656 -ip 656
                                1⤵
                                  PID:3340
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 644 -ip 644
                                  1⤵
                                    PID:4540
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4668
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:348

                                      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\CkIi6TjLi1Xw.bat

                                        Filesize

                                        208B

                                        MD5

                                        80be202d32c19a76f4f2c6da089e8bf0

                                        SHA1

                                        715f7d1d779b27acbcb379cf007d8f643c02d009

                                        SHA256

                                        050b0f7beb8931dfb4869c0adcc823f7b443dbcff38f89e76c860f04a0906e60

                                        SHA512

                                        f5838122d188f0f897611f82462178bd35545686f52097fe6ad3d33e268e31fc891e0a3af477b5ae2fee290e31811bc2c5cc6e86a6825155f912837beed04955

                                      • C:\Users\Admin\AppData\Local\Temp\WoreanlzW3pf.bat

                                        Filesize

                                        208B

                                        MD5

                                        ebb7460db73aae7d8556bd1ff31cbe95

                                        SHA1

                                        37efc4426b7f8ed7474dea859e461c52a4b0a4e6

                                        SHA256

                                        d6c8046c5fbd05fe4abce8905ba9c8c7fc580fdf3e4dd22da825ee2f45e5e161

                                        SHA512

                                        065ce16177fe37a81aaa67e06957c1cfaebf413d6d5e086875bb1e1a01f10dbf94bce091c51943d6f0a89141239941f37b6fe7fd3de8f29de18e212a1305a3cb

                                      • 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\09-14-2024

                                        Filesize

                                        224B

                                        MD5

                                        a6071d6a914a2aa0e49ac0cdbf32520c

                                        SHA1

                                        d8f2d0f7b603751cdd633d308f0e9f1b7dbae501

                                        SHA256

                                        512ff8525fd68112c519619666a9a63ce0ed1acac4b4d165b1f535fe1de0d2b8

                                        SHA512

                                        c7c26cffbc0a94a8319bc4673b7f71fbe37ed0c0a69c058a4af3eabfc098e95c63a86c6f4c46be689d28f8eda77b8ad81e9fa999c7112f438fa83c61d3e28ce8

                                      • C:\Users\Admin\AppData\Roaming\Logs\09-14-2024

                                        Filesize

                                        224B

                                        MD5

                                        eaef2fd2328c7d0cf97c5b4c26a12395

                                        SHA1

                                        313b73ffebce413bf3c2f2ea608545cfeb479b2f

                                        SHA256

                                        dae181ba6735f71f20fa6360120a19eb1db7c1bc921181601408e2b6b3128c46

                                        SHA512

                                        115c9983f824680e5f32d399d6d6d45b85849f6b7590a226e42189e66639122bdee184e7ea99d7a2e6eecf76004cbe9b67514c064c31e8caac138b0d872d2fb6

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        d84083e80a0dbdb544ecf76e34d1e121

                                        SHA1

                                        6e2387a4345a50698cd86eb9896afd6303ea206f

                                        SHA256

                                        79ad4628325fd3eb901aa01a60a7c4de086551905cc63912f0c19937d8a0d361

                                        SHA512

                                        a0f5ebbdbe5c21202898ba77cfdf971ef775870bfedcaada0b2736adf91e5f645a1f17147558db31e9c693bdb5b102a5f794fd45c704eb1b37b37c2390191cf9

                                      • memory/656-45-0x0000000006DB0000-0x0000000006DBA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/1116-19-0x00000000045E0000-0x00000000045E1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1200-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1200-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3712-37-0x00000000064A0000-0x00000000064DC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/3712-36-0x0000000005F60000-0x0000000005F72000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3712-35-0x0000000005320000-0x0000000005386000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/3712-34-0x0000000005260000-0x00000000052F2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/3712-33-0x0000000005770000-0x0000000005D14000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3712-30-0x0000000000930000-0x000000000098E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3712-29-0x000000007332E000-0x000000007332F000-memory.dmp

                                        Filesize

                                        4KB