Analysis

  • max time kernel
    5s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 08:19

General

  • Target

    b7eddc6f4b8eb8c16594227525c57eb86ce1536ea3b03cdf51a49fd04b48eb4b.exe

  • Size

    2.0MB

  • MD5

    72d2a64c93f6bc5bad4671495bc34ea9

  • SHA1

    967f1ea878dd672643189f38cf3daebe9eee3e13

  • SHA256

    b7eddc6f4b8eb8c16594227525c57eb86ce1536ea3b03cdf51a49fd04b48eb4b

  • SHA512

    f37f0c5852381f631d1b1b959199f5b11f789ed3e16b64b2185fc3c4ecfbd869ebbd3349bc4a0be05c285e2d578e53d33eee3a8f5cbde5bd2e583ca33a8ae3f1

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYc:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y2

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.

  • Azorult family
  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 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 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 3 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 4 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 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7eddc6f4b8eb8c16594227525c57eb86ce1536ea3b03cdf51a49fd04b48eb4b.exe
    "C:\Users\Admin\AppData\Local\Temp\b7eddc6f4b8eb8c16594227525c57eb86ce1536ea3b03cdf51a49fd04b48eb4b.exe"
    1⤵
    • Quasar RAT
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:60
    • 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:856
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 856 -s 548
          3⤵
          • Program crash
          PID:3712
      • 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
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4424
        • 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:4948
        • 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:2772
          • 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:3028
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\vJLLo84IgdRn.bat" "
            4⤵
              PID:4804
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2944
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1400
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:740
                    • 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:2516
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0KASOoPpYKsy.bat" "
                      6⤵
                        PID:4428
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2148
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3140
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4848
                              • 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
                                8⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:4772
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 2216
                            6⤵
                            • Program crash
                            PID:5056
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 2224
                        4⤵
                        • Program crash
                        PID:2812
                  • C:\Users\Admin\AppData\Local\Temp\b7eddc6f4b8eb8c16594227525c57eb86ce1536ea3b03cdf51a49fd04b48eb4b.exe
                    "C:\Users\Admin\AppData\Local\Temp\b7eddc6f4b8eb8c16594227525c57eb86ce1536ea3b03cdf51a49fd04b48eb4b.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3340
                  • 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:4476
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 856 -ip 856
                  1⤵
                    PID:3056
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2772 -ip 2772
                    1⤵
                      PID:4816
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2492
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2748
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4968
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 520
                                3⤵
                                • Program crash
                                PID:2252
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:1956
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3312
                                • 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⤵
                                  • Scheduled Task/Job: Scheduled Task
                                  PID:2112
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2748 -ip 2748
                                1⤵
                                  PID:2072
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 740 -ip 740
                                  1⤵
                                    PID:4952

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log

                                    Filesize

                                    1KB

                                    MD5

                                    10eab9c2684febb5327b6976f2047587

                                    SHA1

                                    a12ed54146a7f5c4c580416aecb899549712449e

                                    SHA256

                                    f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928

                                    SHA512

                                    7e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50

                                  • C:\Users\Admin\AppData\Local\Temp\0KASOoPpYKsy.bat

                                    Filesize

                                    208B

                                    MD5

                                    84e7e25d9d91e1233c3ed608a88fc3e8

                                    SHA1

                                    3e2dd1b5a87f8064a076271587baf52b0a2c5694

                                    SHA256

                                    a432fbfc967c2e63d3683844f6d0d4df1f3ea3905c4317e1e0c9059a14765327

                                    SHA512

                                    97d7c8910d64bd766604c6a10a83abbff9c76bb9e099fca8a97de5593eed498826524344c77cffdc74433d6a44dc5ae6fe85593761a8abe9b20760354a44b925

                                  • C:\Users\Admin\AppData\Local\Temp\vJLLo84IgdRn.bat

                                    Filesize

                                    208B

                                    MD5

                                    4f8f8e637356d0cc6f6f66c55228f5b8

                                    SHA1

                                    c33626e99cad04bcc5bb42fd93b904c1fd4b47e0

                                    SHA256

                                    e273d33a9a60a4f139ee5252afaa511805f2f7029640f18d2cfede537e9b525d

                                    SHA512

                                    173d08b502f54ecc370981e541b2607d7f40ff6405a3bbbeb45af9d85aa77a635939f791442b7d490ac0de6926f1bb601ac4fe1f057c7ce328c3884bdcdfc330

                                  • 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\Logs\12-19-2024

                                    Filesize

                                    224B

                                    MD5

                                    5be1f197bbff98e26c5423632c92dc9f

                                    SHA1

                                    d31b570935d54070e840adbc78d7c704be09e899

                                    SHA256

                                    3d4598005d7974b94cf0804a1e645efcace0b288165b59884b48834f30d55bc8

                                    SHA512

                                    9feb17dfe5ba1817740d055acc37c93ef6fe62b425ab1abe30343670a92dcaff3fc1181a9471f89fa4e975d76ca0e70cae547116034cefcc80298900eae7de15

                                  • C:\Users\Admin\AppData\Roaming\Logs\12-19-2024

                                    Filesize

                                    224B

                                    MD5

                                    046b760e45ddd22ad47ca58ea5106aad

                                    SHA1

                                    58c9491d5ae766a9935ad4333ff1badbd50def90

                                    SHA256

                                    63c89ebcbcaf716eba6f4304ebc53639e6cd4811f03e8eca2c70f8edc2b783ac

                                    SHA512

                                    98ec6548b2834c4f19323f30c94e062f431089ccd0a53fc73229ba5344b6ccdeaa400e9de943a2e837a09c219bdc233940396a6750c1ab791f52f7d3277df15a

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    39c0486cfb2c731e281e5c21565521e3

                                    SHA1

                                    cc742d7c9514bbdc52ac719406c85935b65789b9

                                    SHA256

                                    a68928d977d4fe119cfb4bfc513a9a343d57b41089ce635590d9cbb87d49e89a

                                    SHA512

                                    22b835c15988805d66b3ce24f3a7c3070b58794b7df301bba1743d6c5916b8e2607560fb5964102d06787662298c8ea304425710673e419256563c38949e5581

                                  • memory/60-19-0x00000000044A0000-0x00000000044A1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/60-88-0x0000000000890000-0x0000000000A9A000-memory.dmp

                                    Filesize

                                    2.0MB

                                  • memory/2492-89-0x0000000000E30000-0x000000000103A000-memory.dmp

                                    Filesize

                                    2.0MB

                                  • memory/2772-45-0x0000000005FA0000-0x0000000005FAA000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3340-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3340-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4424-29-0x0000000072FBE000-0x0000000072FBF000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4424-37-0x0000000006220000-0x000000000625C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/4424-36-0x0000000005CE0000-0x0000000005CF2000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4424-35-0x0000000004FB0000-0x0000000005016000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/4424-34-0x0000000004F10000-0x0000000004FA2000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/4424-33-0x00000000054C0000-0x0000000005A64000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/4424-30-0x00000000005B0000-0x000000000060E000-memory.dmp

                                    Filesize

                                    376KB