Analysis

  • max time kernel
    3s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

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 5 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 1 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 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 4 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\08de07b701a1c1643ff078609253000e53f9534a123ed03aa1b26ace6fee12e7.exe
    "C:\Users\Admin\AppData\Local\Temp\08de07b701a1c1643ff078609253000e53f9534a123ed03aa1b26ace6fee12e7.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:1292
    • 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:1928
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:1512
    • 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:2732
      • 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:2360
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:1376
          • 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:1712
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\yi3vpeojVLyt.bat" "
            4⤵
              PID:2028
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2580
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2504
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2224
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 1492
                  4⤵
                  • Program crash
                  PID:684
            • C:\Users\Admin\AppData\Local\Temp\08de07b701a1c1643ff078609253000e53f9534a123ed03aa1b26ace6fee12e7.exe
              "C:\Users\Admin\AppData\Local\Temp\08de07b701a1c1643ff078609253000e53f9534a123ed03aa1b26ace6fee12e7.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3036
            • 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:2968
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {BF657BB9-43E9-4605-B2F7-096E501C0836} S-1-5-21-457978338-2990298471-2379561640-1000:WOUOSVRD\Admin:Interactive:[1]
            1⤵
              PID:1764
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:2996
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:2404
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:1660
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:3040
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          3⤵
                            PID:2016
                          • 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:2168

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\yi3vpeojVLyt.bat

                        Filesize

                        208B

                        MD5

                        9c588fc8e15db5d87576fc299956f5e0

                        SHA1

                        3c6e70ac030aff21dd9a9003c83ce1ce5d75c2e3

                        SHA256

                        0eab34950306df3f88cfea7bd68c99248a7c748cf69c0e18e808db9b9e21c1c7

                        SHA512

                        9afe6b4d695b61fb0bb711ef0914450ae75d1513d81a36c57032c96f766e68aaf0ba71be9fcec6a2723a708759998653eb1911b890bcdf44d6cf350a35b6245a

                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\VOEL2C0X.txt

                        Filesize

                        211B

                        MD5

                        7fbad48be1610996c7464ee2843af6df

                        SHA1

                        7c787d3c39320ca88804ed5f1f93b440415f1ac6

                        SHA256

                        f3bbae0f70ef605679181016ee4e5bc8b98564e412217d57574d4b2fc8b22619

                        SHA512

                        6627b7c7eb695e2335c07e6d60977ce4bcc96cf57bdb94f7315bbfa0b2af4e0bef7a06e5ce3a86b862da8a8bbb0f3ea2c9949a95f6fb894628af35f9eb338862

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

                        Filesize

                        2.0MB

                        MD5

                        fad2cea98bea594f4c777fb535951762

                        SHA1

                        5a844d1a29a9638503d536be4d16d66f3db21f2b

                        SHA256

                        b7429acc527e123f67273185b643ae1e23205f311eafa7945c8413e091bea755

                        SHA512

                        9820e80df7bf7c9c0860e410b706b60a85737c8dab23a478ea2873caeda7ca2b3c7c84fea57b20fe4331431dc85d0b7cca0017d67a729b240406a6580edb05a3

                      • \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/1292-36-0x0000000000930000-0x0000000000931000-memory.dmp

                        Filesize

                        4KB

                      • memory/1376-64-0x0000000000370000-0x00000000003CE000-memory.dmp

                        Filesize

                        376KB

                      • memory/1512-48-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

                        Filesize

                        4KB

                      • memory/1512-49-0x0000000000420000-0x00000000004BC000-memory.dmp

                        Filesize

                        624KB

                      • memory/1512-53-0x0000000000420000-0x00000000004BC000-memory.dmp

                        Filesize

                        624KB

                      • memory/1512-46-0x0000000000020000-0x0000000000021000-memory.dmp

                        Filesize

                        4KB

                      • memory/1660-110-0x000007FFFFFD6000-0x000007FFFFFD7000-memory.dmp

                        Filesize

                        4KB

                      • memory/1660-111-0x0000000000410000-0x00000000004AC000-memory.dmp

                        Filesize

                        624KB

                      • memory/2016-106-0x00000000000C0000-0x00000000000E0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2016-99-0x00000000000C0000-0x00000000000E0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2016-102-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2732-54-0x0000000000A90000-0x0000000000AEE000-memory.dmp

                        Filesize

                        376KB

                      • memory/3036-43-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/3036-29-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/3036-32-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/3036-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/3040-116-0x00000000008A0000-0x00000000008FE000-memory.dmp

                        Filesize

                        376KB