Analysis

  • max time kernel
    4s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-01-2025 03:20

General

  • Target

    3a4a38ed839a1f73825b8456fc1efa73a65a7af25ba3513472d05cfac5ecef78.exe

  • Size

    2.0MB

  • MD5

    7b88dc02a3b11e27a3e4595c442d30ea

  • SHA1

    2546ae7b96ffc096d2f4cf5093290d0a74c09948

  • SHA256

    3a4a38ed839a1f73825b8456fc1efa73a65a7af25ba3513472d05cfac5ecef78

  • SHA512

    9125ed37e104c25779ec7e402e4d55894a9e2764604f786bbc6c54918775eb48c46b0373a8800117c314ff9eb6c6ee2224f48aa0fd8bf7efaa30f98f8bf3c9b8

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj: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

    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 1 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 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\3a4a38ed839a1f73825b8456fc1efa73a65a7af25ba3513472d05cfac5ecef78.exe
    "C:\Users\Admin\AppData\Local\Temp\3a4a38ed839a1f73825b8456fc1efa73a65a7af25ba3513472d05cfac5ecef78.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:4916
    • 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:4712
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4548
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4712 -s 552
          3⤵
          • Program crash
          PID:4664
      • 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:3992
        • 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:2756
        • 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:408
          • 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:2952
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\960INwGXmtCQ.bat" "
            4⤵
              PID:756
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3188
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1552
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4432
                    • 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:1268
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D35t5QFIEgy2.bat" "
                      6⤵
                        PID:3328
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3312
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4704
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 2260
                          6⤵
                          • Program crash
                          PID:2212
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 2228
                      4⤵
                      • Program crash
                      PID:3012
                • C:\Users\Admin\AppData\Local\Temp\3a4a38ed839a1f73825b8456fc1efa73a65a7af25ba3513472d05cfac5ecef78.exe
                  "C:\Users\Admin\AppData\Local\Temp\3a4a38ed839a1f73825b8456fc1efa73a65a7af25ba3513472d05cfac5ecef78.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:1724
                • 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:2460
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4712 -ip 4712
                1⤵
                  PID:3472
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 408 -ip 408
                  1⤵
                    PID:2072
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:2908
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3292
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:1336
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 520
                              3⤵
                              • Program crash
                              PID:1684
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3796
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:1692
                              • 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:2416
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3292 -ip 3292
                              1⤵
                                PID:5116
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4432 -ip 4432
                                1⤵
                                  PID:3736
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:1492
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4520

                                    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\960INwGXmtCQ.bat

                                      Filesize

                                      208B

                                      MD5

                                      22c05d18857890382eef81fb2dd61e83

                                      SHA1

                                      d3908953e4d3acd579c068d4d1e2c3a8e3ba2a2e

                                      SHA256

                                      1ba5a1ac5a9aa8e9a006ce530907c7c9834ff4fd0e850da6165af8e752001d69

                                      SHA512

                                      6f17c95d16a0dec991892fdb0ec95869c75380ca10297939644677578fc382dbeffa513a0fb067374fff06fa377683c6a9aa47b3629299055e8527db8d0c18ff

                                    • C:\Users\Admin\AppData\Local\Temp\D35t5QFIEgy2.bat

                                      Filesize

                                      208B

                                      MD5

                                      3d009e1bb7c9fe1862276c35cf0e8f21

                                      SHA1

                                      8b63b686705ba525b6ddad53cd941ab4ef6dbaaf

                                      SHA256

                                      f29c1ca745a855d3ab72c5eb28a101deca7958f98374d238db2d64ebd380f7b1

                                      SHA512

                                      2072ae7e3d2fd9b0e2a7ac8709272250a1fab59c9fc6270c185d864dcf17d5522916b6d9ead097ba4f5d56329da1fea711fbbcfaa95d07bd06aaaaed685e3366

                                    • 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\01-26-2025

                                      Filesize

                                      224B

                                      MD5

                                      db95f7410604549739f465f01917eafd

                                      SHA1

                                      cdf3cfb6d8c3a9f3fae353b30afb654245746813

                                      SHA256

                                      2ab13cc56099030cba07a5edf5c9cda087162e79905e7f0046b0faeb14009cb1

                                      SHA512

                                      99d1260c06fa9f8616ed0de4b6ab6b6a851684b543eccb91ffab660d4ffeadb92319254f0092bc60aa586d5669ce184f4d6e0dc078cc29715726ab2943c2a541

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      e08a50edaadee50b044b6c0a830b8a93

                                      SHA1

                                      c5bab4c35a1ada9056278962b7b7052410ea9921

                                      SHA256

                                      1ad9708151fc34958064d1d5856c5093b87266a4b4fa1988a211283a7c2e3b9a

                                      SHA512

                                      018c8898ca56e636252aae9a8d6ae177df05e8713cdee1a8eda8c6ebc61638459299d7f3df819f59f4096293f0101c054c9dba8f8d903742e24a410e26b8a7bd

                                    • memory/408-45-0x0000000006BC0000-0x0000000006BCA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/1692-80-0x00000000004C0000-0x00000000004E0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1692-74-0x00000000004C0000-0x00000000004E0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1724-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1724-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3992-29-0x000000007384E000-0x000000007384F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3992-37-0x0000000005D90000-0x0000000005DCC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/3992-36-0x0000000005090000-0x00000000050A2000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3992-35-0x0000000004B30000-0x0000000004B96000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/3992-34-0x0000000004C10000-0x0000000004CA2000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/3992-33-0x00000000050E0000-0x0000000005684000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/3992-30-0x0000000000210000-0x000000000026E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/4916-19-0x0000000003F80000-0x0000000003F81000-memory.dmp

                                      Filesize

                                      4KB