Analysis

  • max time kernel
    4s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-11-2024 12:45

General

  • Target

    fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.exe

  • Size

    2.0MB

  • MD5

    7cd2f6334fc4e452e1833b739469a870

  • SHA1

    290b3da7d706b90f1a44364db8545fc52499fa5f

  • SHA256

    fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081

  • SHA512

    efd0e30b0ed566d78bdc8034b7b505a74fde7ef03f3f98d156c4090c32f66954b161070006b20b2c2e3827f12cb84a9d7c2d6c858a078599654e8c04f92e5a8f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

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 3 IoCs
  • Loads dropped DLL 13 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 2 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.exe
    "C:\Users\Admin\AppData\Local\Temp\fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.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:2372
    • 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:2784
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2692
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 160
          3⤵
          • Loads dropped DLL
          • Program crash
          PID:3016
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2680
        • 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:1164
        • 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:2532
          • 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:2856
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\ZLAGPE6a5Zb6.bat" "
            4⤵
              PID:1920
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1500
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2508
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1328
                    • 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:1580
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 1484
                  4⤵
                  • Program crash
                  PID:856
            • C:\Users\Admin\AppData\Local\Temp\fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.exe
              "C:\Users\Admin\AppData\Local\Temp\fed7a5e961adfd46c2e070e7a1a52478f0ce4d800cadf0bc548bb3da10981081N.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2568
            • 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:2576
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {75FCF368-B64E-4D35-BB83-A2D87B5D1109} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]
            1⤵
              PID:652
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:2332
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:2956
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:948
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:2960
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          3⤵
                            PID:664
                          • 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:1712

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\ZLAGPE6a5Zb6.bat

                        Filesize

                        208B

                        MD5

                        374bd8ca18eba7b7025fa070b899a52d

                        SHA1

                        65e85c0964aea27040ccfc1f2782a6f3bf752097

                        SHA256

                        bb1d97b081ae6efdc057ac99f7d7a04b69e95a5bb09cea2d185982ccfb3633ea

                        SHA512

                        b943899dc96ce70b011cf3343a29e36b6c96c3f20cd98fbc9f9fe8e50bdef8d2312dd8dbde86b6905078cfc1882ec8871e7ee5ac2b8839a3898db1a5f804a487

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

                        MD5

                        d41d8cd98f00b204e9800998ecf8427e

                        SHA1

                        da39a3ee5e6b4b0d3255bfef95601890afd80709

                        SHA256

                        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                        SHA512

                        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                      • C:\Users\Admin\AppData\Roaming\Logs\11-02-2024

                        Filesize

                        224B

                        MD5

                        75fba439c8737241b3a29ab35ef1625e

                        SHA1

                        290b9028364e28f623044d282ae2b3da88ad3f31

                        SHA256

                        81e69f728d6f6e9daf615a008010cacb3652bab58f64371b54cf66869db3945a

                        SHA512

                        7db4ec4d89952b775a39e9f87643e7d65d1bd8552c6e097917ce413bc6cd2f47b24a9df18a44ecef6cf294f180f144835e2999f89f876405a931ee63cb969f76

                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\331NWHHQ.txt

                        Filesize

                        209B

                        MD5

                        38534a56ffd50f9fbee229308d71b2da

                        SHA1

                        f512d655dc5720b3987b9c26bf204782ad032f72

                        SHA256

                        30f2a6532fbd5f94e21752e43ccf62475bf329cb4b64eca2d4ab1fa93f87c0bf

                        SHA512

                        e2fca79ef6b72b17cab4e250ac8a51d0b54a8df550528216f76b575c3115fa4cdb4fe7e8c44eb4ef1a0813318ce5a6047a04af94e9add9793fe0042e42ac7f86

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

                        Filesize

                        2.0MB

                        MD5

                        bf57253adfd3cad2c91bb096b1b40919

                        SHA1

                        db88feed418ef60dd1ecb08922d809c87e5677db

                        SHA256

                        ba79daa821064e952c2472bb692d260a5aca4f9c5838f941288115b7beb89de6

                        SHA512

                        ad70e642cb334e2c0ceaab49ca1d8e4d9bab1dd3abda35b63132f5341c74f2f713a335f1e6d2fcc3c2aa31c170e5ae8a3c4e277d98f5ee362c7721c0aa9f455b

                      • \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/664-105-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/664-96-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/664-99-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/948-106-0x0000000000020000-0x0000000000021000-memory.dmp

                        Filesize

                        4KB

                      • memory/948-108-0x000007FFFFFD8000-0x000007FFFFFD9000-memory.dmp

                        Filesize

                        4KB

                      • memory/948-109-0x0000000000270000-0x000000000030C000-memory.dmp

                        Filesize

                        624KB

                      • memory/948-113-0x0000000000270000-0x000000000030C000-memory.dmp

                        Filesize

                        624KB

                      • memory/1328-131-0x0000000000D00000-0x0000000000D5E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2372-30-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

                        Filesize

                        4KB

                      • memory/2532-60-0x00000000010D0000-0x000000000112E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2568-31-0x00000000000D0000-0x00000000000F0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2568-33-0x00000000000D0000-0x00000000000F0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2568-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2568-43-0x00000000000D0000-0x00000000000F0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2680-49-0x0000000000C90000-0x0000000000CEE000-memory.dmp

                        Filesize

                        376KB

                      • memory/2960-103-0x0000000001130000-0x000000000118E000-memory.dmp

                        Filesize

                        376KB