Analysis

  • max time kernel
    4s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 12:54

General

  • Target

    3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.exe

  • Size

    2.0MB

  • MD5

    3f8d4a67e8e2d15220f4ec2cb0caf28c

  • SHA1

    3fb979356e7978bc1663516e9ef93428635dcba3

  • SHA256

    3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed

  • SHA512

    5445ee21fe04d9772a3af88f31e5706b45d4c32533a9c230f70f66a2d50c637af6d7a43f96a85be68b786562e509a75ac345be92cc7758332a3987aec61f577d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB: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 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\3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.exe
    "C:\Users\Admin\AppData\Local\Temp\3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.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:2188
    • 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:2616
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2600
    • 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:2760
      • 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:2116
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:2736
          • 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:2576
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\6gFGKO2Xlrjq.bat" "
            4⤵
              PID:2312
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2160
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1896
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2444
                    • 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:2372
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\JPGAQq9kkhYC.bat" "
                      6⤵
                        PID:2080
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2012
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 1448
                          6⤵
                          • Program crash
                          PID:524
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 1532
                      4⤵
                      • Program crash
                      PID:1892
                • C:\Users\Admin\AppData\Local\Temp\3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.exe
                  "C:\Users\Admin\AppData\Local\Temp\3c9ebd2e1f1af4ab2cb896c569abe08902184e79c5eda929c0d662207162a4ed.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:2220
                • 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:2908
              • C:\Windows\system32\taskeng.exe
                taskeng.exe {34CE71E9-6342-4485-939A-BD2A40284EAD} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
                1⤵
                  PID:1924
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    2⤵
                      PID:2016
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        3⤵
                          PID:2960
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            4⤵
                              PID:1700
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            3⤵
                              PID:2276
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              3⤵
                                PID:2464
                              • 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:2440

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Users\Admin\AppData\Local\Temp\6gFGKO2Xlrjq.bat

                            Filesize

                            208B

                            MD5

                            8e9f6fd634803bf4fdcddf07d51aa2a5

                            SHA1

                            6f4e03211addd414870b41db2415c6bb00237f3d

                            SHA256

                            cdd5f678c080723827133ff86d994d2f014753c890c319ec81306e782d71318b

                            SHA512

                            a72f3c2dc200fc2930d6dc2c3a8fe1e0077c05a4b1229c5effea72a8395981f1396aa2787f098c7ada19420382f717e610c95b6bb569c4fcf8c7f703619ac027

                          • C:\Users\Admin\AppData\Local\Temp\JPGAQq9kkhYC.bat

                            Filesize

                            208B

                            MD5

                            d424bdd45d3c93996a3cd12e475218c4

                            SHA1

                            cd0cac3099079553f908cccfdd3e41276d9cad42

                            SHA256

                            e38a57ad80d45315ae56c5cd7a35efee6b865dfa0e4db265d6eeb284456a91e3

                            SHA512

                            bbf86ab44d0a85b94e4c38466454796ca10367685daadef50a6248f8b35e41f8b047cc38462bb0358b11e5c46313baa3dfa5af4cbaa1d9b7a09f6d7e9e331d6e

                          • C:\Users\Admin\AppData\Roaming\Logs\12-17-2024

                            Filesize

                            224B

                            MD5

                            01c3b0079536117115e6b9730f306ba1

                            SHA1

                            35a4f3f97194eb970032423875dcfa56b684e054

                            SHA256

                            5733c85df65fcef14127140a476efd1bc36be69aa30f76db97d741333e06f8ef

                            SHA512

                            addc93c30bf6cc5966ddbbcc72b21b50549884fab1bc323e85b63ff2b25588362fe08ff8ead442df3cf78df7366f03dcb03419afe243e50d47b7cd9fc7a19ed3

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

                            Filesize

                            213B

                            MD5

                            756c0edbf4a81f751131037c9f73f87c

                            SHA1

                            df6ea07255b3ea79dc5e3854bb68a68ba590d8a3

                            SHA256

                            f6caee32ec777c4c1e49a6d2a9c995372b32907f4ba722514f81217acd94fe4f

                            SHA512

                            7b08c6d48d526470f8e20513b38178b256802471b44aefd049a44935669e22517828a619f8f00052233e17524329ebe0c897bb818090c1b26f6d7208d8c6383c

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

                            Filesize

                            2.0MB

                            MD5

                            6618ad5c85cf35600761d789310d7582

                            SHA1

                            adb1393fb88ad5545331571d200a33de36840503

                            SHA256

                            e1055e5f15d9c385cf02ef0da4d1260deb4e6d8ffb9f329b8988dd2c9b203b0e

                            SHA512

                            2cf0f73e94c15a1e6987a4426845ba962010d62ac6ca92e90b04b9590754f9f3828e5fe7f60512880e4518c210f5856fb251b5f279cc83ac7195ba46adf0e60e

                          • \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/1700-120-0x00000000000D0000-0x000000000016C000-memory.dmp

                            Filesize

                            624KB

                          • memory/1700-116-0x00000000000D0000-0x000000000016C000-memory.dmp

                            Filesize

                            624KB

                          • memory/1700-115-0x000007FFFFFD7000-0x000007FFFFFD8000-memory.dmp

                            Filesize

                            4KB

                          • memory/2188-29-0x0000000000F70000-0x0000000000F71000-memory.dmp

                            Filesize

                            4KB

                          • memory/2220-33-0x0000000000080000-0x00000000000A0000-memory.dmp

                            Filesize

                            128KB

                          • memory/2220-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                            Filesize

                            128KB

                          • memory/2220-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                            Filesize

                            4KB

                          • memory/2220-46-0x0000000000080000-0x00000000000A0000-memory.dmp

                            Filesize

                            128KB

                          • memory/2276-112-0x0000000000CC0000-0x0000000000D1E000-memory.dmp

                            Filesize

                            376KB

                          • memory/2444-138-0x0000000000810000-0x000000000086E000-memory.dmp

                            Filesize

                            376KB

                          • memory/2464-105-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                            Filesize

                            4KB

                          • memory/2600-45-0x000007FFFFFD9000-0x000007FFFFFDA000-memory.dmp

                            Filesize

                            4KB

                          • memory/2600-43-0x0000000000060000-0x0000000000061000-memory.dmp

                            Filesize

                            4KB

                          • memory/2600-53-0x0000000000160000-0x00000000001FC000-memory.dmp

                            Filesize

                            624KB

                          • memory/2600-47-0x0000000000060000-0x0000000000061000-memory.dmp

                            Filesize

                            4KB

                          • memory/2600-49-0x0000000000160000-0x00000000001FC000-memory.dmp

                            Filesize

                            624KB

                          • memory/2600-68-0x0000000000160000-0x00000000001FC000-memory.dmp

                            Filesize

                            624KB

                          • memory/2600-48-0x0000000000160000-0x00000000001FC000-memory.dmp

                            Filesize

                            624KB

                          • memory/2736-66-0x00000000001E0000-0x000000000023E000-memory.dmp

                            Filesize

                            376KB

                          • memory/2760-56-0x0000000001110000-0x000000000116E000-memory.dmp

                            Filesize

                            376KB