Analysis

  • max time kernel
    5s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 04:44

General

  • Target

    e8cabc1c9b84f0c5ae3e1f9617ee0545e7d7599aa997abfcc06b3e124aa42a22.exe

  • Size

    2.0MB

  • MD5

    0162684567a69530c945aca1ef2891a1

  • SHA1

    4d291c774ef5e00a33d1177d14faf1721d776f5e

  • SHA256

    e8cabc1c9b84f0c5ae3e1f9617ee0545e7d7599aa997abfcc06b3e124aa42a22

  • SHA512

    f91b4ca6ef43febba691b31b25790b30e0413537d28685aa8016bfb552d2ba6cb4999c22bfb4ea98ae675c21f85a2529a36cb1f2f0b3a3e6f733327df377d13e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYY:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YW

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 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8cabc1c9b84f0c5ae3e1f9617ee0545e7d7599aa997abfcc06b3e124aa42a22.exe
    "C:\Users\Admin\AppData\Local\Temp\e8cabc1c9b84f0c5ae3e1f9617ee0545e7d7599aa997abfcc06b3e124aa42a22.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:2940
    • 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:3372
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 560
          3⤵
          • Program crash
          PID:3532
      • 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:5052
        • 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:3744
        • 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:2956
          • 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:2472
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1HsvnunijVwb.bat" "
            4⤵
              PID:3836
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3592
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2172
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4656
                    • 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:3220
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\zoA9flb9AeqY.bat" "
                      6⤵
                        PID:3744
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4600
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:412
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1544
                              • 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:1388
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 1748
                            6⤵
                            • Program crash
                            PID:4108
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 2296
                        4⤵
                        • Program crash
                        PID:4680
                  • C:\Users\Admin\AppData\Local\Temp\e8cabc1c9b84f0c5ae3e1f9617ee0545e7d7599aa997abfcc06b3e124aa42a22.exe
                    "C:\Users\Admin\AppData\Local\Temp\e8cabc1c9b84f0c5ae3e1f9617ee0545e7d7599aa997abfcc06b3e124aa42a22.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3052
                  • 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:1696
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3372 -ip 3372
                  1⤵
                    PID:1596
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2956 -ip 2956
                    1⤵
                      PID:3364
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:888
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2452
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4320
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 520
                                3⤵
                                • Program crash
                                PID:2544
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:3168
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3064
                                • 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:64
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2452 -ip 2452
                                1⤵
                                  PID:1328
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4656 -ip 4656
                                  1⤵
                                    PID:2876
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:4544
                                      • C:\Windows\explorer.exe
                                        explorer.exe /LOADSAVEDWINDOWS
                                        2⤵
                                          PID:2668

                                      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\1HsvnunijVwb.bat

                                        Filesize

                                        208B

                                        MD5

                                        4fe03aad62db1da4489950c043e804e3

                                        SHA1

                                        ba13d003be4e6160bff03d5328bf9f93b028ae61

                                        SHA256

                                        0ebae175d40fd212fcc6b4b2b353e397faa4534dd45282826fcd689ba3aaf483

                                        SHA512

                                        d3dd1e69c9b06c0385dc6d660c0cd37345cddbffba67f0626404606e688c72b22737443f03084d64855d88990996d3134cc7f670987b2ea33d6840e70cb2cb11

                                      • 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\Local\Temp\zoA9flb9AeqY.bat

                                        Filesize

                                        208B

                                        MD5

                                        d5cde494ebd6432f84a40781933e87f3

                                        SHA1

                                        081828d60e424f5524ac3cf4702ff65548883395

                                        SHA256

                                        7f8cb12697bd1f080061aa13202bd2815ccdcd695174b69788d424e417c94a65

                                        SHA512

                                        7bd742fe6e3d03363d2d492188e1ad7b0b75e3927492e5699bae2e8d5f39b188c99a8ea13d990269bc7d8ccf32cdfc6a671eedc69046cf723d6d3aabbdc6a3f5

                                      • C:\Users\Admin\AppData\Roaming\Logs\11-29-2024

                                        Filesize

                                        224B

                                        MD5

                                        c4f4df15ee743be4074acd3586339c31

                                        SHA1

                                        aad67f56d53d1bb3eacd8bb334dddaf1b21cc7ca

                                        SHA256

                                        9b6a5ab4d2a2bcf869ca0279e0d5683fe0476e8f3638fbf64edcbdc31bf58ecb

                                        SHA512

                                        0dd1247ef68e929f5c48339a1972a4a228d3c964ab915c2426ef593bff4dd7f4bfb4a117396abfa592cd8c80755c7d006c73b59841378a2ce8f252bb6af8b788

                                      • C:\Users\Admin\AppData\Roaming\Logs\11-29-2024

                                        Filesize

                                        224B

                                        MD5

                                        c442763105b97c530f40469e5dce3fb2

                                        SHA1

                                        21a4fdde9c43c7b65e16df6684f2032d301b7bab

                                        SHA256

                                        8afd65aa4bcb22e0f0c35489e329d7f8fbab9386834b45d70eb1bb665caaaf07

                                        SHA512

                                        e80a0e0d0dbe7997202d0cd3036a9110f7e738ff1e8e0ad028b0ee23c615b4c74aa9320ae1e01d77f20b7cb5c5936279fda35a99c99aa9926da92eb0e8f81659

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        b78775a0879d5492ee88a3f29bc8ee97

                                        SHA1

                                        6ed773e40c3a7cede76d306dfa8d8bca1c811c54

                                        SHA256

                                        33adbc160529f1e15e486d1f14abbb73b89f35caad73856aab3e8e62911c21ed

                                        SHA512

                                        049f00a3c576ae4702cb61abe79a788309607b9ccea5ea84cb2a82318f54b9228848df0e5d00d26adce921ee23db81c1a324f4f0a84270fde6842643691a1d61

                                      • memory/2940-19-0x0000000003F20000-0x0000000003F21000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2956-44-0x0000000006260000-0x000000000626A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3052-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3052-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3064-73-0x0000000000C90000-0x0000000000CB0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3064-79-0x0000000000C90000-0x0000000000CB0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/5052-31-0x0000000000170000-0x00000000001CE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/5052-36-0x0000000005CF0000-0x0000000005D2C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/5052-35-0x00000000057B0000-0x00000000057C2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/5052-34-0x0000000004A80000-0x0000000004AE6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/5052-33-0x0000000004B30000-0x0000000004BC2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/5052-32-0x00000000050E0000-0x0000000005684000-memory.dmp

                                        Filesize

                                        5.6MB