Analysis

  • max time kernel
    4s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2024 07:48

General

  • Target

    005f817c7c2f3fa6911fde1e2be34653e4518feb45a79442f0bd0e930f98637cN.exe

  • Size

    2.0MB

  • MD5

    2874eed770eb9c67ded0643e813a00a0

  • SHA1

    7b5ed1e6164fca1b0c82b256c238840c965661c7

  • SHA256

    005f817c7c2f3fa6911fde1e2be34653e4518feb45a79442f0bd0e930f98637c

  • SHA512

    203ae06889e57029d663dc56c6f693cb224baa12d1c434672a39ca6dbc62acac2e291de6f4acba9db6ed562a9fb7fe5f5b8c24d6201bc1f377a2dc7df2459562

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yr

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

    Quasar is an open source Remote Access Tool.

  • 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 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 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\005f817c7c2f3fa6911fde1e2be34653e4518feb45a79442f0bd0e930f98637cN.exe
    "C:\Users\Admin\AppData\Local\Temp\005f817c7c2f3fa6911fde1e2be34653e4518feb45a79442f0bd0e930f98637cN.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:1976
    • 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:2532
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:268
    • 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:784
      • 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:2832
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:2116
          • 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:1720
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\uayUsyjMknaz.bat" "
            4⤵
              PID:736
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1688
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1124
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    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
                      6⤵
                      • Scheduled Task/Job: Scheduled Task
                      PID:1636
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 1544
                  4⤵
                  • Program crash
                  PID:2552
            • C:\Users\Admin\AppData\Local\Temp\005f817c7c2f3fa6911fde1e2be34653e4518feb45a79442f0bd0e930f98637cN.exe
              "C:\Users\Admin\AppData\Local\Temp\005f817c7c2f3fa6911fde1e2be34653e4518feb45a79442f0bd0e930f98637cN.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:2988
            • 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:2616
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {2D4F8556-AB22-42A9-A65A-2AB3A29F236C} S-1-5-21-457978338-2990298471-2379561640-1000:WOUOSVRD\Admin:Interactive:[1]
            1⤵
              PID:2916
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                2⤵
                  PID:2568
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    3⤵
                      PID:1960
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        4⤵
                          PID:2264
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        3⤵
                          PID:2240
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          3⤵
                            PID:2252
                          • 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:3004

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

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

                        Filesize

                        208B

                        MD5

                        a5cba5c79dbf861f3cfebd939bb6f495

                        SHA1

                        c9a3cc0799a02d186e5318738a85fb20a6b5ad17

                        SHA256

                        5edbee4ccff3b78341af925685e635cf2662129b6fc9d9f51a37e392284afa18

                        SHA512

                        d5997036446d2f07682dbd56f407761ef06aaa37f6f055843028e5ae43f8ec5d090d63e836bb3bf967b21c29a28c5ce600ebb811240d544c7d1a3587b6ee07f5

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

                        MD5

                        d41d8cd98f00b204e9800998ecf8427e

                        SHA1

                        da39a3ee5e6b4b0d3255bfef95601890afd80709

                        SHA256

                        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                        SHA512

                        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

                        Filesize

                        349KB

                        MD5

                        b4a202e03d4135484d0e730173abcc72

                        SHA1

                        01b30014545ea526c15a60931d676f9392ea0c70

                        SHA256

                        7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                        SHA512

                        632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                      • C:\Users\Admin\AppData\Roaming\Logs\10-04-2024

                        Filesize

                        224B

                        MD5

                        efa7832dbaff440a42c3ad9afb43fbbe

                        SHA1

                        f9d90ae57cd746cfc03417139f0bfb1bf30579e2

                        SHA256

                        ca2eb5186b8ad7c417a9a9d53737e3df1423c0f18007a4a14b594a301bc22b21

                        SHA512

                        999a4d1621034983f34a80ce2c28b43117caaa671b73a84995b1b3ed5104d3c13873b7e272c282d5c9e3fcbf65cffffbb217f703ba915a655ba121037a9105ac

                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\0OPGLKXY.txt

                        Filesize

                        211B

                        MD5

                        820b01cdaebdcd395455019055e281fd

                        SHA1

                        f6e34c14d4c2cdc0de75e3dd70b5299b8d591d4e

                        SHA256

                        60c0c72096b2b357329863a2cced84d0548449fd0d462c0b052083bfb4751350

                        SHA512

                        51a9ed33dd616ee97b9c3fe4bef34c5ec0123729c2ba7f69c223b5ddbe53ac2584c25a2fc0c4ea2e62c873405efa4956ef2d2081889a5fdd22d369dd66c48c9b

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

                        Filesize

                        2.0MB

                        MD5

                        36684bb1f437945b0e04c0916ef059cf

                        SHA1

                        3b933ab18ab364b952ddfc461005f024a16088ba

                        SHA256

                        32feaf21c289a81a8f245451b6eb096befad2edb2799f4a79ebf7fbcba07bdad

                        SHA512

                        c73cfb5059e1763ab59ab6ab0e291537e1cf6e64ed4e6edeee2601c48927290d022b1539b64ec0a720144f49f49619567ffc4ebc59f2a6109860ef408978ce18

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

                        Filesize

                        405KB

                        MD5

                        b8ba87ee4c3fc085a2fed0d839aadce1

                        SHA1

                        b3a2e3256406330e8b1779199bb2b9865122d766

                        SHA256

                        4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                        SHA512

                        7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                      • memory/268-34-0x00000000003F0000-0x000000000048C000-memory.dmp

                        Filesize

                        624KB

                      • memory/268-30-0x0000000000020000-0x0000000000021000-memory.dmp

                        Filesize

                        4KB

                      • memory/268-33-0x0000000000020000-0x0000000000021000-memory.dmp

                        Filesize

                        4KB

                      • memory/268-36-0x00000000003F0000-0x000000000048C000-memory.dmp

                        Filesize

                        624KB

                      • memory/268-40-0x00000000003F0000-0x000000000048C000-memory.dmp

                        Filesize

                        624KB

                      • memory/268-32-0x000007FFFFFD9000-0x000007FFFFFDA000-memory.dmp

                        Filesize

                        4KB

                      • memory/268-63-0x00000000003F0000-0x000000000048C000-memory.dmp

                        Filesize

                        624KB

                      • memory/784-52-0x0000000000260000-0x00000000002BE000-memory.dmp

                        Filesize

                        376KB

                      • memory/1976-39-0x0000000000910000-0x0000000000911000-memory.dmp

                        Filesize

                        4KB

                      • memory/2116-62-0x0000000000FE0000-0x000000000103E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2240-129-0x0000000000330000-0x000000000038E000-memory.dmp

                        Filesize

                        376KB

                      • memory/2252-99-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2252-102-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2252-106-0x0000000000080000-0x00000000000A0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2264-117-0x000007FFFFFDC000-0x000007FFFFFDD000-memory.dmp

                        Filesize

                        4KB

                      • memory/2264-125-0x00000000000D0000-0x000000000016C000-memory.dmp

                        Filesize

                        624KB

                      • memory/2988-49-0x00000000000D0000-0x00000000000F0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2988-41-0x00000000000D0000-0x00000000000F0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2988-43-0x00000000000D0000-0x00000000000F0000-memory.dmp

                        Filesize

                        128KB

                      • memory/2988-46-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/3032-133-0x0000000001010000-0x000000000106E000-memory.dmp

                        Filesize

                        376KB