Analysis

  • max time kernel
    6s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 13:17

General

  • Target

    a33a7b143bdb641237978065c79f9dea9b5b849bf1278ef9df1918f23a278b4b.exe

  • Size

    2.0MB

  • MD5

    90a584019ecca4da43b46d7bca7745ab

  • SHA1

    eddc7d3d8871e48f88462dc069175fb962ebfaca

  • SHA256

    a33a7b143bdb641237978065c79f9dea9b5b849bf1278ef9df1918f23a278b4b

  • SHA512

    5c8755b0e27841ac71b28de8b0027cb8f3a08112c16a50cbdb962a32439f4b284ea44ec8c4478b4f93fe355891fe0a9aafcfa3f1366c314eea8a469d7c738359

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YD

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 3 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 1 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 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a33a7b143bdb641237978065c79f9dea9b5b849bf1278ef9df1918f23a278b4b.exe
    "C:\Users\Admin\AppData\Local\Temp\a33a7b143bdb641237978065c79f9dea9b5b849bf1278ef9df1918f23a278b4b.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:1472
    • 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:2968
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:5064
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 552
          3⤵
          • Program crash
          PID:4740
      • 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:3892
        • 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:3776
        • 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:1568
          • 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:4816
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\M5POQZ0q95oB.bat" "
            4⤵
              PID:2220
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3220
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3696
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3716
                    • 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:4632
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7N8Jhozu9nUD.bat" "
                      6⤵
                        PID:3592
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2736
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:5068
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1600
                              • 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:2040
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 1952
                            6⤵
                            • Program crash
                            PID:1628
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 1752
                        4⤵
                        • Program crash
                        PID:4300
                  • C:\Users\Admin\AppData\Local\Temp\a33a7b143bdb641237978065c79f9dea9b5b849bf1278ef9df1918f23a278b4b.exe
                    "C:\Users\Admin\AppData\Local\Temp\a33a7b143bdb641237978065c79f9dea9b5b849bf1278ef9df1918f23a278b4b.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3000
                  • 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:4976
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2968 -ip 2968
                  1⤵
                    PID:2624
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1568 -ip 1568
                    1⤵
                      PID:4592
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4132
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3480
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3752
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 520
                                3⤵
                                • Program crash
                                PID:3776
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:3244
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3628
                                • 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:1044
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3480 -ip 3480
                                1⤵
                                  PID:636
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3716 -ip 3716
                                  1⤵
                                    PID:1232

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  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\7N8Jhozu9nUD.bat

                                    Filesize

                                    208B

                                    MD5

                                    4ad8a8b487c2db8c7e4b01919be795e8

                                    SHA1

                                    b5e326662e22b4563b03eccae4150f19da1b2a44

                                    SHA256

                                    9b88fda47fc72481815956e6802842c4e640fa4705038454c6050a5c7d5c1fd3

                                    SHA512

                                    fa98cfee100c9562aa85d56bf4a47b22a445660d549837c5daf5630eb82d09b00cc52a6d3e26b14a03fa638dd6939843e98331b5866434f027af8e6803595e0e

                                  • C:\Users\Admin\AppData\Local\Temp\M5POQZ0q95oB.bat

                                    Filesize

                                    208B

                                    MD5

                                    2546b9c21e615423cdbe2f3a3aa76c90

                                    SHA1

                                    e74ce2e7fbfee96b655738e335d6c6b0cbb55d36

                                    SHA256

                                    abd4aa781c6c0ed6f61674bd67270f435895b062fe266c7edfcd9d8b59b90e64

                                    SHA512

                                    4e2b0ee6c9bb4ba0d23e3a961acaccdfadd282a490c039fffae5b7e3c40ce5b4c5657fd43edca48e7ec229d05682dcc3a7fac97fc6f1d9997d0ba7bf730577b7

                                  • 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\11-26-2024

                                    Filesize

                                    224B

                                    MD5

                                    34ac8fc02af7b45832b0c33cf56656c0

                                    SHA1

                                    f27c9f937f98d365c4384ec2f0a32fd0d42a4109

                                    SHA256

                                    febab7b6b4fad6309859246b569cdef2c3a77a3b33305ea898ebadac55fbda46

                                    SHA512

                                    a412039aca923a410d7fe27c3006878fe00906df2ba173d1077934870f3f5a37f4e99ee72e363c80f0d761750321e062e3e326c9317cf1de3fdeb3e8267bfbf1

                                  • C:\Users\Admin\AppData\Roaming\Logs\11-26-2024

                                    Filesize

                                    224B

                                    MD5

                                    929fd95c09cab87217043f229dab0b1e

                                    SHA1

                                    841831e0d087e09c92f6b82dd04818332368f9a3

                                    SHA256

                                    6e127254ce15c1f9780f5bb63d6f2be59018e93e9d7c2ca31f869c08c4e64753

                                    SHA512

                                    67783ccf52c1fdb3e76277fa356d842630d172059b2ba9d6613ba18e096c60aa3f3b01999dcebbfd46a36ba2fe4a19de630ee1677ed7ffaac3edea9edfa58790

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    a060414ec9719a8b32629b3d917e01f8

                                    SHA1

                                    ec23b82bd8589f763a8ee08955d7324ca1994737

                                    SHA256

                                    2816e4a1226a62cc7ba5e021e2e55e74ae131906647ee98309babbac434bb423

                                    SHA512

                                    a25b969e7b44467ca026c5c4b7515b69edc36dc3ab38e0f8cf32ce62200c401f4376dd623fa00e0cc199ed7faea0b3a08bf7ad37b4be53bd1a4bb437a44c8286

                                  • memory/1472-19-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1568-44-0x0000000006DD0000-0x0000000006DDA000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3000-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3000-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3628-73-0x00000000003B0000-0x00000000003D0000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3628-79-0x00000000003B0000-0x00000000003D0000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3892-31-0x0000000000190000-0x00000000001EE000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/3892-36-0x0000000005E40000-0x0000000005E7C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/3892-35-0x0000000005900000-0x0000000005912000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3892-34-0x0000000004CE0000-0x0000000004D46000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/3892-33-0x0000000004C40000-0x0000000004CD2000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/3892-32-0x00000000050E0000-0x0000000005684000-memory.dmp

                                    Filesize

                                    5.6MB