Analysis

  • max time kernel
    3s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-01-2025 11:10

General

  • Target

    5f66861b9dbb28ac8ac2ffea9d2712cb722bc213df2f2b26080b84f7e0b99475.exe

  • Size

    2.0MB

  • MD5

    11f55f9ee5e486b1a56bf4e3cd1fe25f

  • SHA1

    626ee2b115753567fa46252f96b814ea7fc8b771

  • SHA256

    5f66861b9dbb28ac8ac2ffea9d2712cb722bc213df2f2b26080b84f7e0b99475

  • SHA512

    bc467c5b7ec0b9423fd339e97b3e4f628c78ec38406fb37718b8a862942754922a347acddc5e0564a21f850a2dc6154f2c6d5826250ae17e4283cb5ad576fd06

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

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.

  • Azorult family
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f66861b9dbb28ac8ac2ffea9d2712cb722bc213df2f2b26080b84f7e0b99475.exe
    "C:\Users\Admin\AppData\Local\Temp\5f66861b9dbb28ac8ac2ffea9d2712cb722bc213df2f2b26080b84f7e0b99475.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2200
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:3008
    • 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
      PID:3012
      • 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:1796
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:3032
          • 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⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2092
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\13l3HFnV7B54.bat" "
            4⤵
              PID:1004
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1904
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1800
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1732
                    • 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:1652
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\a1X7oENmrd9g.bat" "
                      6⤵
                        PID:2856
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2960
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:928
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 756
                          6⤵
                          • Program crash
                          PID:2680
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 1508
                      4⤵
                      • Program crash
                      PID:108
                • C:\Users\Admin\AppData\Local\Temp\5f66861b9dbb28ac8ac2ffea9d2712cb722bc213df2f2b26080b84f7e0b99475.exe
                  "C:\Users\Admin\AppData\Local\Temp\5f66861b9dbb28ac8ac2ffea9d2712cb722bc213df2f2b26080b84f7e0b99475.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:2828
                • 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:2988
              • C:\Windows\system32\taskeng.exe
                taskeng.exe {3F8A31CB-EFE3-42FC-945B-3E3AEF84349F} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
                1⤵
                  PID:1948
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    2⤵
                      PID:848
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        3⤵
                          PID:2248
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            4⤵
                              PID:2028
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            3⤵
                              PID:2172
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              3⤵
                                PID:1276
                              • 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
                                3⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:520

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Users\Admin\AppData\Local\Temp\13l3HFnV7B54.bat

                            Filesize

                            208B

                            MD5

                            24b5d79e05bb04943a7638f0e3784f65

                            SHA1

                            1828bc2720cb0670284b1b6b88053a50be7eacc8

                            SHA256

                            a2c8b220b73e2bf06a062161bbbf7dd7ff5244f8ca1e819c6659f1b6613b7a43

                            SHA512

                            511684d006b032d1f1b5b267e704f3d6a525c3b53d0f0114ee9170e145d1b63f69266feb90a15f4145e2d5bdf02a4be6659b8dd6fd1768bff16ead04e102a4fd

                          • C:\Users\Admin\AppData\Local\Temp\a1X7oENmrd9g.bat

                            Filesize

                            208B

                            MD5

                            ee3be1c6f6c73c93fbea8c1b4d9cc13f

                            SHA1

                            0fcc15ab757553b42b7bed8b282a0c83c15d3b1a

                            SHA256

                            c21781d1e4bf8f00bb54c1c29073367fffd03a893ace13d00316e7f50b8a75cd

                            SHA512

                            608207194744f95d3005b425ea5bddecb879b6b3e0b0d0c3fba0aabcd28f7eba1dbf1189587c6ba784ed039dc55307fd1017d4646db41c09d2521736db77326e

                          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\AA1T7GM4.txt

                            Filesize

                            213B

                            MD5

                            efcbe5cdf621b78e46a4bf897c984880

                            SHA1

                            dbde4dab81c141c0077e7ceea1500b47986d6c5a

                            SHA256

                            87a39249d1673d30752a7697b1d02646f7e713f095b258af74db577c71277cd6

                            SHA512

                            7fa1a45bf32bec5627da4b7e2dfbd568a783227300b85596171d2e71745ead93090855d9b008d8ed64c02e630bb4ae76442430068b7270bc63241c8ee4138db9

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

                            Filesize

                            2.0MB

                            MD5

                            940f6b67fe386e9741f530653259816f

                            SHA1

                            418f3da762f889aba0722efc110f94ecda37035a

                            SHA256

                            67a04fad728fb4555a548d88fa540d9f6c0a775b549fdb6ebfa7906be140620e

                            SHA512

                            818309c3aa0b4c97b3fed321d47b2ce483c862ffea4e2f34986775c12921349884e5025cc9ec468a91489e272ecff8311c186a79df5e84f7ee1bbeb14654acce

                          • \Users\Admin\AppData\Local\Temp\vnc.exe

                            Filesize

                            405KB

                            MD5

                            b8ba87ee4c3fc085a2fed0d839aadce1

                            SHA1

                            b3a2e3256406330e8b1779199bb2b9865122d766

                            SHA256

                            4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                            SHA512

                            7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                          • \Users\Admin\AppData\Local\Temp\windef.exe

                            Filesize

                            349KB

                            MD5

                            b4a202e03d4135484d0e730173abcc72

                            SHA1

                            01b30014545ea526c15a60931d676f9392ea0c70

                            SHA256

                            7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                            SHA512

                            632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                          • memory/1236-30-0x0000000000890000-0x0000000000891000-memory.dmp

                            Filesize

                            4KB

                          • memory/1276-105-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                            Filesize

                            4KB

                          • memory/1732-138-0x0000000001230000-0x000000000128E000-memory.dmp

                            Filesize

                            376KB

                          • memory/2028-120-0x0000000000430000-0x00000000004CC000-memory.dmp

                            Filesize

                            624KB

                          • memory/2028-116-0x0000000000430000-0x00000000004CC000-memory.dmp

                            Filesize

                            624KB

                          • memory/2028-115-0x000007FFFFFD6000-0x000007FFFFFD7000-memory.dmp

                            Filesize

                            4KB

                          • memory/2172-112-0x0000000000080000-0x00000000000DE000-memory.dmp

                            Filesize

                            376KB

                          • memory/2828-43-0x0000000000080000-0x00000000000A0000-memory.dmp

                            Filesize

                            128KB

                          • memory/2828-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                            Filesize

                            128KB

                          • memory/2828-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                            Filesize

                            4KB

                          • memory/2828-33-0x0000000000080000-0x00000000000A0000-memory.dmp

                            Filesize

                            128KB

                          • memory/3008-68-0x00000000001B0000-0x000000000024C000-memory.dmp

                            Filesize

                            624KB

                          • memory/3008-53-0x00000000001B0000-0x000000000024C000-memory.dmp

                            Filesize

                            624KB

                          • memory/3008-44-0x0000000000020000-0x0000000000021000-memory.dmp

                            Filesize

                            4KB

                          • memory/3008-46-0x000007FFFFFDC000-0x000007FFFFFDD000-memory.dmp

                            Filesize

                            4KB

                          • memory/3008-49-0x00000000001B0000-0x000000000024C000-memory.dmp

                            Filesize

                            624KB

                          • memory/3008-47-0x0000000000020000-0x0000000000021000-memory.dmp

                            Filesize

                            4KB

                          • memory/3008-48-0x00000000001B0000-0x000000000024C000-memory.dmp

                            Filesize

                            624KB

                          • memory/3012-56-0x0000000000F90000-0x0000000000FEE000-memory.dmp

                            Filesize

                            376KB

                          • memory/3032-66-0x0000000001230000-0x000000000128E000-memory.dmp

                            Filesize

                            376KB