Analysis

  • max time kernel
    5s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 14:54

General

  • Target

    46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.exe

  • Size

    2.0MB

  • MD5

    5e2a9b43af55a4d20c54b33f5feb1eaf

  • SHA1

    439473f9fd97745e896f921d9ee235d782ca4da9

  • SHA256

    46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c

  • SHA512

    89d0f318068466ef7116640595ee8341669862e0362b24f7d5e662f29f778afaa94588a660ea0b76f7f2dd3999657b2fa68074a691a8744cea12dab6b3aaf444

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYm:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y8

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

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 4 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 1 IoCs

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

  • AutoIT Executable 2 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 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 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\46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.exe
    "C:\Users\Admin\AppData\Local\Temp\46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.exe"
    1⤵
    • 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:4900
    • 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:1112
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1604
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 552
          3⤵
          • Program crash
          PID:4684
      • 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:2028
        • 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:3708
        • 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:4496
          • 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:2336
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Vi1Um3GAWubd.bat" "
            4⤵
              PID:4848
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:388
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2224
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1384
                    • 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:4672
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0KASOoPpYKsy.bat" "
                      6⤵
                        PID:1736
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 1944
                        6⤵
                        • Program crash
                        PID:4644
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 2220
                    4⤵
                    • Program crash
                    PID:3848
              • C:\Users\Admin\AppData\Local\Temp\46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.exe
                "C:\Users\Admin\AppData\Local\Temp\46caf7c74dffb2a6e9e9bb54a53f1dcfef74de13ecceadea76f7c97c11de481c.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                PID:3044
              • 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:1160
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1112 -ip 1112
              1⤵
                PID:4248
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:2624
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:3288
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:4512
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3288 -s 520
                          3⤵
                          • Program crash
                          PID:4004
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:3276
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          2⤵
                            PID:100
                          • 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:1524
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3288 -ip 3288
                          1⤵
                            PID:3576
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4496 -ip 4496
                            1⤵
                              PID:3532
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:3512
                              • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                1⤵
                                  PID:1696

                                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\Vi1Um3GAWubd.bat

                                  Filesize

                                  208B

                                  MD5

                                  4cbc2a0ca97dc6328a1b967443b53a56

                                  SHA1

                                  42eaa02cc17e7e5c3179b3374410c9950c60e830

                                  SHA256

                                  09b97b3861b103f77742bea992adeb0f5e68b7ff907b7c5b638c5bb2f540e32e

                                  SHA512

                                  347dd879d13e32f8e1b1be1e4b9e09c1d4c8f6f029282a4fea2ecfa77052fd5c21fd3b72e61fd2d3bf4c3bf9c92932706e8ab00c9b285bbbc238a1a53f88ff16

                                • 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\01-01-2025

                                  Filesize

                                  224B

                                  MD5

                                  40074d5793ff9892d247f1cc8b4eeceb

                                  SHA1

                                  92af15856af1245913fe212dd474ac55526e72a2

                                  SHA256

                                  c436f45a0dca3dc583fad42ea061205119ec23e263e59bfc1cba14687e37420f

                                  SHA512

                                  3036e7629e1646aab3cedf0637e2b0029178b4231ec1103eb1d1d382a8f0ff9b849fc69edf72b078489733be52ab8d9c8c9eab6db6e4cb6504b88bff6c9148fe

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

                                  Filesize

                                  2.0MB

                                  MD5

                                  eb334a03e3d001449037bf39c4de7bb9

                                  SHA1

                                  0a633f17bfb805510d4e980d7c4d4bfbf5af49df

                                  SHA256

                                  7ffdbe879d469d677a92bdabea574fa99d85ea0af30c5f30a26b407374f4bf4b

                                  SHA512

                                  c2801633d5f7fed2e6762fbb4cef4750eb70bb9170ca18f62f59963e77b52d74b5e0b709efa59b0f2db3614c6cfa962f737cb0b1fd9b1b57f4b6c504b022c0f9

                                • memory/100-73-0x0000000000650000-0x0000000000670000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/100-67-0x0000000000650000-0x0000000000670000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/2028-29-0x0000000072CFE000-0x0000000072CFF000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2028-35-0x0000000004FF0000-0x0000000005056000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/2028-36-0x0000000005560000-0x0000000005572000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2028-37-0x0000000006250000-0x000000000628C000-memory.dmp

                                  Filesize

                                  240KB

                                • memory/2028-34-0x0000000004F20000-0x0000000004FB2000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/2028-33-0x00000000055A0000-0x0000000005B44000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/2028-30-0x00000000005E0000-0x000000000063E000-memory.dmp

                                  Filesize

                                  376KB

                                • memory/3044-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/3044-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4496-45-0x0000000006D60000-0x0000000006D6A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/4900-19-0x0000000003A20000-0x0000000003A21000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4900-87-0x0000000075090000-0x0000000075098000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/4900-86-0x0000000000560000-0x000000000076A000-memory.dmp

                                  Filesize

                                  2.0MB