Analysis

  • max time kernel
    5s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 21:16

General

  • Target

    07ca74ccb172eb82a059812a26353f10N.exe

  • Size

    2.0MB

  • MD5

    07ca74ccb172eb82a059812a26353f10

  • SHA1

    20f535f666d2bcfb338a81864a2ab71394972ad1

  • SHA256

    cf1932dc4b4ce7ada291ddecbacf96aea6a3598186198c0ac7fe2ce940246572

  • SHA512

    f96bd00f089c6fb806591518ca54e8126c3fc5bc64271a1b5eb8e13a71d92878f88bcd0401d54551317178a488197f2e5eeab4a4963a8b76f93fe73629f77460

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY6:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yo

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.

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • 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\07ca74ccb172eb82a059812a26353f10N.exe
    "C:\Users\Admin\AppData\Local\Temp\07ca74ccb172eb82a059812a26353f10N.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:3424
    • 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:4592
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2132
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 548
          3⤵
          • Program crash
          PID:1904
      • 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:1632
        • 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:3080
        • 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:3732
          • 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:832
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IG1PP89ALOkz.bat" "
            4⤵
              PID:5020
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4348
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3296
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:5000
                    • 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:220
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\bsfxl7yKkTuI.bat" "
                      6⤵
                        PID:3692
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:652
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1668
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 1956
                          6⤵
                          • Program crash
                          PID:2780
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1772
                      4⤵
                      • Program crash
                      PID:3340
                • C:\Users\Admin\AppData\Local\Temp\07ca74ccb172eb82a059812a26353f10N.exe
                  "C:\Users\Admin\AppData\Local\Temp\07ca74ccb172eb82a059812a26353f10N.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:640
                • 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:5060
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4592 -ip 4592
                1⤵
                  PID:4376
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3732 -ip 3732
                  1⤵
                    PID:1040
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:2064
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3784
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:536
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3784 -s 528
                              3⤵
                              • Program crash
                              PID:4224
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:1808
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4184
                              • 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:3928
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3784 -ip 3784
                              1⤵
                                PID:1496
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 5000 -ip 5000
                                1⤵
                                  PID:1960
                                • C:\Windows\system32\sihost.exe
                                  sihost.exe
                                  1⤵
                                    PID:4148
                                    • C:\Windows\explorer.exe
                                      explorer.exe /LOADSAVEDWINDOWS
                                      2⤵
                                        PID:2092
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4604
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:4536

                                        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\IG1PP89ALOkz.bat

                                          Filesize

                                          208B

                                          MD5

                                          6daba9683a6b8cdfd4d32b088dbbe03f

                                          SHA1

                                          6fa66641398784af9a4629f0202b61f14f3c3fd9

                                          SHA256

                                          361d5081d1178ae66bb4c4cc82aab2e1ce4c8c37a27af347eee1556462327477

                                          SHA512

                                          da0f39717e58f4262c70c95f06309ec69349a060a410af5b72304da754c7ac3f908d3825387d2e770202dac4143cee11e0ccac32de7c9af23fc7c651c9b37446

                                        • C:\Users\Admin\AppData\Local\Temp\bsfxl7yKkTuI.bat

                                          Filesize

                                          208B

                                          MD5

                                          f14cf7994dea445dab31b61740b41fbd

                                          SHA1

                                          6e1e45080538acd44d295d2c2fc25a3ad6732d61

                                          SHA256

                                          6979ccc04897093cce65882c962e193b875a2c828953ad49f6ae52d6fa046280

                                          SHA512

                                          0400c1147404bc0ec262bb1ce0f93ae298c2a978bbcea9d6bbf1bd0328f29b56cc69263167ef6d7aa91716139e9a963cedd570b1981cb733f2fdc45b91458ee1

                                        • 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\08-18-2024

                                          Filesize

                                          224B

                                          MD5

                                          ace79aaca630b5bf3f1fa591221d3f2d

                                          SHA1

                                          ff286db820bf52e218eeb32e277a47e96201f2fe

                                          SHA256

                                          cbfc8cab0cd7a2afa6dc73967b98fb14a71a5e3f5ec4ea75870ee50cb5160df6

                                          SHA512

                                          b4f5b8181202378c3236a9d953a28c421732fd25fde608d626563fd1ea46835af8e9320164970beb28b2697603fc421742938326c3e67ed9773e009b4b762dfe

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          db89dc8ec106a2fd861d45d5c4a4a7f3

                                          SHA1

                                          ab91125cbbeff0def03efd2d10ba176fb13b86b1

                                          SHA256

                                          0fedcc4b5b0b1f5c7a7bd4faf45ad1867466c11783d77a244950f17b9c296e32

                                          SHA512

                                          57759e314dbd00e7127b407c16a3873245cf68541f1bfbeff3d7df2f40a24bcfd20b501acc9343f64f61d517f0e139e5662471ce127028da5f13df74f6d0bd43

                                        • memory/640-20-0x0000000000140000-0x0000000000160000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/640-28-0x0000000000140000-0x0000000000160000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/1632-29-0x0000000072E9E000-0x0000000072E9F000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1632-36-0x00000000055A0000-0x00000000055B2000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/1632-37-0x0000000006290000-0x00000000062CC000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/1632-35-0x0000000005190000-0x00000000051F6000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/1632-34-0x00000000050F0000-0x0000000005182000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/1632-33-0x0000000005600000-0x0000000005BA4000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/1632-32-0x00000000005E0000-0x000000000063E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/3424-19-0x0000000004570000-0x0000000004571000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3732-45-0x0000000005FE0000-0x0000000005FEA000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/4148-85-0x00007FF9A3350000-0x00007FF9A3379000-memory.dmp

                                          Filesize

                                          164KB

                                        • memory/4148-89-0x00007FF993E10000-0x00007FF993EB1000-memory.dmp

                                          Filesize

                                          644KB

                                        • memory/4184-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4184-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB