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Analysis

  • max time kernel
    5s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2025, 02:28

General

  • Target

    c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.exe

  • Size

    2.0MB

  • MD5

    eb37bef34881d2353e4cb76bfefa7d37

  • SHA1

    855dd99b54b63e9372d2d3a2436250d1e1b50739

  • SHA256

    c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6

  • SHA512

    7e487e5d70af4a57051a0bec77812651a299b0de522f704d4b24dd541f34e46f6393deab4ed63e5d80703c4fa73cdd491dac513c4ca2991db23489c7d704e5e8

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYg:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yq

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 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\c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.exe
    "C:\Users\Admin\AppData\Local\Temp\c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.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:2548
    • 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:4500
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 520
          3⤵
          • Program crash
          PID:704
      • 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:2868
        • 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:1636
        • 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:4584
          • 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:4588
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\qxbfL79UvO7k.bat" "
            4⤵
              PID:2084
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1876
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2036
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3776
                    • 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:4736
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MGypmswPo2hI.bat" "
                      6⤵
                        PID:5004
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4856
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4576
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3776 -s 1996
                          6⤵
                          • Program crash
                          PID:2080
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4584 -s 2036
                      4⤵
                      • Program crash
                      PID:2716
                • C:\Users\Admin\AppData\Local\Temp\c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.exe
                  "C:\Users\Admin\AppData\Local\Temp\c9fc6dc8c8dbff7eff9a199440ef52348cf2d410da5d6940d3648d6fa1f568e6.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:3036
                • 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:812
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4500 -ip 4500
                1⤵
                  PID:1576
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4584 -ip 4584
                  1⤵
                    PID:2696
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3152
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3268
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4436
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 520
                              3⤵
                              • Program crash
                              PID:636
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2776
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2092
                              • 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:1196
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3268 -ip 3268
                              1⤵
                                PID:4088
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3776 -ip 3776
                                1⤵
                                  PID:1512

                                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\MGypmswPo2hI.bat

                                  Filesize

                                  208B

                                  MD5

                                  c178a6d7b32035cbcd3f0fe209b60637

                                  SHA1

                                  528da5af7eea6415c1f6c41a59ce9508938bcf9a

                                  SHA256

                                  5e34bc186c4ccdd82c392a6244db9b9f81f1435c45d9db4f660213320fd702a6

                                  SHA512

                                  06d3c14e1f71aa701f0d19362b8ce8a9f3f2da55b6d9c3bdc4b511f5c2097e4d6e8fd8d2ae872f25d2e5814f17f2ff4e6f7c6f2e6e49e662a9e22344d3ceb31a

                                • C:\Users\Admin\AppData\Local\Temp\qxbfL79UvO7k.bat

                                  Filesize

                                  208B

                                  MD5

                                  8758d0fcb3ce35a2534b6bbf484dbe8c

                                  SHA1

                                  0d6600e9a035c975a7156074b575ad4a4ee74816

                                  SHA256

                                  d7e217cc97c11fd79c8159f6e22e1dccb2d33ac9162d25e83bbabc93816e7961

                                  SHA512

                                  7291760c7f089c8ca42a3522ad279660d8fdcfe6c2f397a908fdb9cfa1f02a4fd8b166e304e35e769f14c3f7aa14545294251b0cc375ba9871ed57c7327ceffe

                                • 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\03-06-2025

                                  Filesize

                                  224B

                                  MD5

                                  b632da8f3dc97f63ed8b818e87b2e59b

                                  SHA1

                                  6588354fa21c23e0ac7485f908945ff0065b3c5b

                                  SHA256

                                  8d1dcf25f2aa9d989b9cc6f1b775999e817f1f0b8229c13f3d8e9e8a6f2ac5c4

                                  SHA512

                                  5fcaaeeb7024829c53b59c834219fb5fc5c847eba7949a4707c36a6e50515b8a8bf99a159d31f9df36adc4c2de41a36505dffce755099c58b414bf348069f871

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

                                  Filesize

                                  2.0MB

                                  MD5

                                  a7916a7f38ecfa959e8f3efed3691002

                                  SHA1

                                  679f89000bc8f118e973e17a1376f526b452025f

                                  SHA256

                                  6af8bb7029e2688d170d211bdefbd73d1b3fa2d0c819bfeca1c49f022aeffbb8

                                  SHA512

                                  cf548b4bffbf5c7f00a0b2a53c4b2bf83effc39cf57820c1f6a38d0add00b2ca6e3f42587323a7e8c7fa94a00e5119c7b0c8da2a0f4c3e723e4bcc6d72b12d28

                                • memory/2548-19-0x00000000035F0000-0x00000000035F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2868-30-0x0000000000730000-0x000000000078E000-memory.dmp

                                  Filesize

                                  376KB

                                • memory/2868-35-0x0000000005130000-0x0000000005196000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/2868-36-0x00000000055A0000-0x00000000055B2000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2868-37-0x0000000006290000-0x00000000062CC000-memory.dmp

                                  Filesize

                                  240KB

                                • memory/2868-34-0x0000000005090000-0x0000000005122000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/2868-33-0x0000000005640000-0x0000000005BE4000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/2868-29-0x0000000072E0E000-0x0000000072E0F000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3036-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/3036-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4584-45-0x0000000006750000-0x000000000675A000-memory.dmp

                                  Filesize

                                  40KB