Analysis

  • max time kernel
    4s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 19:55

General

  • Target

    d9c83214623af5c76e585f89161bd623e3f9efc389b9f0987dafe5e75a098c52N.exe

  • Size

    2.0MB

  • MD5

    732ee005431c7c06b67416bfbbc7dd70

  • SHA1

    a303e5e5f4a08dcdb8ce66d18646dc47ae9fc13d

  • SHA256

    d9c83214623af5c76e585f89161bd623e3f9efc389b9f0987dafe5e75a098c52

  • SHA512

    b2deb1eab4ecfda2c6c0191fee7c939847bb7b71a424c26375b1c41bd06ec40b124f7170b55bd9acf62f2f094023fc83f1c8126ef679e628e1cf3f4e60a1a75c

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YP

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 3 IoCs

    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 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\d9c83214623af5c76e585f89161bd623e3f9efc389b9f0987dafe5e75a098c52N.exe
    "C:\Users\Admin\AppData\Local\Temp\d9c83214623af5c76e585f89161bd623e3f9efc389b9f0987dafe5e75a098c52N.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:4436
    • 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:3996
      • 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 3996 -s 556
          3⤵
          • Program crash
          PID:1324
      • 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:904
        • 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:1264
        • 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:2084
          • 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:3436
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\woE65xy74scY.bat" "
            4⤵
              PID:4064
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1472
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3144
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3460
                    • 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:1440
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Gtn3ZH1ksvvG.bat" "
                      6⤵
                        PID:1324
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3656
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1792
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 2004
                          6⤵
                          • Program crash
                          PID:3724
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 2240
                      4⤵
                      • Program crash
                      PID:3120
                • C:\Users\Admin\AppData\Local\Temp\d9c83214623af5c76e585f89161bd623e3f9efc389b9f0987dafe5e75a098c52N.exe
                  "C:\Users\Admin\AppData\Local\Temp\d9c83214623af5c76e585f89161bd623e3f9efc389b9f0987dafe5e75a098c52N.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:1368
                • 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:1516
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3996 -ip 3996
                1⤵
                  PID:2572
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:116
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:712
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:4416
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 712 -s 520
                            3⤵
                            • Program crash
                            PID:5028
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:5064
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:4228
                            • 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:3288
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 712 -ip 712
                            1⤵
                              PID:1312
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2084 -ip 2084
                              1⤵
                                PID:5000
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3460 -ip 3460
                                1⤵
                                  PID:3640
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:700
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:5028

                                    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\Gtn3ZH1ksvvG.bat

                                      Filesize

                                      208B

                                      MD5

                                      e2c6da33830c887fc1dfc7b095befc65

                                      SHA1

                                      814be9916d05e8bd117ce9d0b9edbd0e51c71db6

                                      SHA256

                                      0f82ece57a03d093174c69ddf513e583d1a27a2d073ed56a8e9d3c1eefaa54da

                                      SHA512

                                      fc18283d8cc55796c7a82760a8f953d866948a588f880f32962f411a6218d0da532bf7dadc71c5bdcd77ab1cb9a1bc922e0a3d09274b651a6fbc2fec2536ee3a

                                    • 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\woE65xy74scY.bat

                                      Filesize

                                      208B

                                      MD5

                                      2c42f5825e115afe1d71e477243379d7

                                      SHA1

                                      5761c5764a3d8be24fd74a4db3567a490eae7a0c

                                      SHA256

                                      438410cc1d3df0398a684215d496ac219eb9bf268d0be1e05c04afc924e03a54

                                      SHA512

                                      325a10561827a7b5d7460ee71254e897cd265bcf0d09f91a19266def1a4eae193ae72ff155491024fbe5ba42b476998d7856a71cc6e3337ae46527746a6c99bb

                                    • C:\Users\Admin\AppData\Roaming\Logs\10-09-2024

                                      Filesize

                                      224B

                                      MD5

                                      ff9f2b8e28974731a3bffdf46cc92198

                                      SHA1

                                      9afc5b677ea249c27b021099126e953cb4ab1ecd

                                      SHA256

                                      3555297c8eff1f7c7269347b034b348b456ef7d7365d31ea3fa07578b8422a4f

                                      SHA512

                                      f8d55e534be566e96abbcdd6170f5d4b54e274f26c62390147973a8dde398657bd6ca610b11fe226af5d5ff6ff460f2f4f8ff547fcbead8d074b5fd72073f628

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      3945c43ba38f8a86d1d7757c6f0ceec8

                                      SHA1

                                      9b21eafee159f3e88c83e21469df4a39190f85d1

                                      SHA256

                                      7c22e06c2762014d5a3c9e9696cc603ac6f22f527a3354781f21072bbd6958af

                                      SHA512

                                      de7099b77b4f2500c4056d3a6bde38442e416cd683f39fe9f9c1ddca7d33b1166ce9c99f9292bb487581648d394a6b0f8a5ba520a779289aa5ed36f039936786

                                    • memory/904-34-0x00000000051E0000-0x0000000005246000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/904-33-0x0000000005140000-0x00000000051D2000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/904-35-0x0000000005DA0000-0x0000000005DB2000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/904-36-0x00000000062E0000-0x000000000631C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/904-32-0x00000000056F0000-0x0000000005C94000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/904-29-0x0000000000760000-0x00000000007BE000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/1368-20-0x0000000000760000-0x0000000000780000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1368-28-0x0000000000760000-0x0000000000780000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2084-44-0x00000000062F0000-0x00000000062FA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/4228-66-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4228-72-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4436-19-0x0000000004560000-0x0000000004561000-memory.dmp

                                      Filesize

                                      4KB