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Analysis

  • max time kernel
    4s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10/06/2024, 17:49

General

  • Target

    d45c242007c1a7f217a2a4b6dbf958cee3b0b822c3429f10e2c906aa93c30df1.exe

  • Size

    2.0MB

  • MD5

    1f5b62291bf8b27a1b18bd51a359a7ea

  • SHA1

    9366b653c81efb5b3aaf308c5cb2bc165e16aa2c

  • SHA256

    d45c242007c1a7f217a2a4b6dbf958cee3b0b822c3429f10e2c906aa93c30df1

  • SHA512

    16be59938b57a072b2676109defef27ea504821ea1226288464d158d95bf3f304538a5be7409756dd532829766809287ab53bc4e6f816be35686a58c65710174

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY2:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y8

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
  • Detects Windows executables referencing non-Windows User-Agents 5 IoCs
  • Detects executables containing common artifacts observed in infostealers 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
  • Creates scheduled task(s) 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d45c242007c1a7f217a2a4b6dbf958cee3b0b822c3429f10e2c906aa93c30df1.exe
    "C:\Users\Admin\AppData\Local\Temp\d45c242007c1a7f217a2a4b6dbf958cee3b0b822c3429f10e2c906aa93c30df1.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1208
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:1316
    • C:\Users\Admin\AppData\Local\Temp\windef.exe
      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
      2⤵
      • Executes dropped EXE
      PID:1268
      • 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⤵
        • Creates scheduled task(s)
        PID:2468
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:2460
          • 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⤵
            • Creates scheduled task(s)
            PID:2632
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\1EJH45JgBkhT.bat" "
            4⤵
              PID:2148
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1936
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:2144
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2128
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 1556
                  4⤵
                  • Program crash
                  PID:2296
            • C:\Users\Admin\AppData\Local\Temp\d45c242007c1a7f217a2a4b6dbf958cee3b0b822c3429f10e2c906aa93c30df1.exe
              "C:\Users\Admin\AppData\Local\Temp\d45c242007c1a7f217a2a4b6dbf958cee3b0b822c3429f10e2c906aa93c30df1.exe"
              2⤵
                PID:1264
              • 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⤵
                • Creates scheduled task(s)
                PID:592
            • C:\Windows\system32\taskeng.exe
              taskeng.exe {F023CF91-7A13-4EB5-B441-46298AF607F6} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
              1⤵
                PID:2700
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  2⤵
                    PID:1792
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      3⤵
                        PID:1804
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          4⤵
                            PID:2928
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          3⤵
                            PID:3000
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            3⤵
                              PID:1524
                            • 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⤵
                              • Creates scheduled task(s)
                              PID:2808

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\1EJH45JgBkhT.bat

                          Filesize

                          208B

                          MD5

                          8edf83f5c3a979683b43254e11aa850d

                          SHA1

                          4952efc8d626d1abff17af22c8fbb5127f01142f

                          SHA256

                          869e8c00f7d450b142ddd29b6c554bbfd073c3cbb9a376d18ab99c0c28cf4d58

                          SHA512

                          70ac7275427231c02c8017b27c4d3796e34a0e8ee73ff9f5e5b537897f80678f38c0670ffa2282848216263b140c9ebbf4e783cc7c5f627d051eaddb90615f7b

                        • 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\Microsoft\Windows\Cookies\ZVCKY6NF.txt

                          Filesize

                          213B

                          MD5

                          b2c5cc173b2f1debe29356a6bd32eb55

                          SHA1

                          f8dac86e8e3ce8e5480d3112ffad0d2af8763edc

                          SHA256

                          75790218e9b6e4a341c9c2b75512896319e73a6b659520269d7f89a9fef32399

                          SHA512

                          c0ef6610e5d2c8958338810089d4b37b331818ad5041e15f1feffb98c2f27c95a9fbca7b6814c167b3fbb18a6fa562159bb2601ab7457b86f43a7f88a10fc07e

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

                          Filesize

                          2.0MB

                          MD5

                          1f8b6305044b6175aec459ebb175e7c3

                          SHA1

                          0a3f96b35e21e4baba3b3d717722ad4f3310b489

                          SHA256

                          310ec7dd28056d12e439e3e09ae7e643bc83a875c3936f2352811d38f41cf7a7

                          SHA512

                          97141a21eaa15d7b574852038445b21eaa25b240922bbcacc291b92cc640f51ff81cb285eddc6b3f4d7f44bb0e850e78f636dcbea06d0ccdfdb2a25d01966e9c

                        • memory/1264-48-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/1264-40-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/1264-42-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/1264-45-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                          Filesize

                          4KB

                        • memory/1268-52-0x0000000000040000-0x000000000009E000-memory.dmp

                          Filesize

                          376KB

                        • memory/1316-38-0x00000000000D0000-0x000000000016C000-memory.dmp

                          Filesize

                          624KB

                        • memory/1316-37-0x0000000000020000-0x0000000000021000-memory.dmp

                          Filesize

                          4KB

                        • memory/1316-33-0x00000000000D0000-0x000000000016C000-memory.dmp

                          Filesize

                          624KB

                        • memory/1316-32-0x000007FFFFFD4000-0x000007FFFFFD5000-memory.dmp

                          Filesize

                          4KB

                        • memory/1316-30-0x0000000000020000-0x0000000000021000-memory.dmp

                          Filesize

                          4KB

                        • memory/1316-49-0x00000000000D0000-0x000000000016C000-memory.dmp

                          Filesize

                          624KB

                        • memory/1316-116-0x00000000000D0000-0x000000000016C000-memory.dmp

                          Filesize

                          624KB

                        • memory/1524-111-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                          Filesize

                          4KB

                        • memory/2236-39-0x0000000002B50000-0x0000000002B51000-memory.dmp

                          Filesize

                          4KB

                        • memory/2460-62-0x0000000000840000-0x000000000089E000-memory.dmp

                          Filesize

                          376KB

                        • memory/2928-90-0x0000000000400000-0x000000000049C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2928-86-0x0000000000400000-0x000000000049C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2928-85-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

                          Filesize

                          4KB

                        • memory/3000-107-0x0000000000120000-0x000000000017E000-memory.dmp

                          Filesize

                          376KB