Analysis

  • max time kernel
    4s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2025 16:44

General

  • Target

    d2ce208686117de75efa6f7b3ea6afdd314afd01d82e0d7a68e5500285e33f7a.exe

  • Size

    2.0MB

  • MD5

    e673d22d960664c16cc8380cc96f5ef9

  • SHA1

    b964d1ccf438ce1f5989b2652234c81721890b1b

  • SHA256

    d2ce208686117de75efa6f7b3ea6afdd314afd01d82e0d7a68e5500285e33f7a

  • SHA512

    e89b4503bf7e156ea914457bc90d3430fb84461173c994ff30e7f401a510d13c164abc6e6c8f4ccf94917533ac0af94adbf4db31a06c8762359abd6c61cac904

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYh:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YD

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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 7 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 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d2ce208686117de75efa6f7b3ea6afdd314afd01d82e0d7a68e5500285e33f7a.exe
    "C:\Users\Admin\AppData\Local\Temp\d2ce208686117de75efa6f7b3ea6afdd314afd01d82e0d7a68e5500285e33f7a.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:4960
    • 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:2796
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2120
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 548
          3⤵
          • Program crash
          PID:3260
      • 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:3652
        • 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:3520
        • 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
          PID:4580
          • 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⤵
            • Scheduled Task/Job: Scheduled Task
            PID:3272
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\w69UOehaairx.bat" "
            4⤵
              PID:4128
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1640
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1020
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1780
                    • 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:3708
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VpHNWSacL2YM.bat" "
                      6⤵
                        PID:4404
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:644
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:5068
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:756
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 2276
                            6⤵
                            • Program crash
                            PID:3064
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 2016
                        4⤵
                        • Program crash
                        PID:2940
                  • C:\Users\Admin\AppData\Local\Temp\d2ce208686117de75efa6f7b3ea6afdd314afd01d82e0d7a68e5500285e33f7a.exe
                    "C:\Users\Admin\AppData\Local\Temp\d2ce208686117de75efa6f7b3ea6afdd314afd01d82e0d7a68e5500285e33f7a.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1144
                  • 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:4928
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2796 -ip 2796
                  1⤵
                    PID:1180
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4580 -ip 4580
                    1⤵
                      PID:2464
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3452
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2832
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:376
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 520
                                3⤵
                                • Program crash
                                PID:844
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4936
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2720
                                • 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:1520
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2832 -ip 2832
                                1⤵
                                  PID:2532
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1780 -ip 1780
                                  1⤵
                                    PID:3924
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:5020

                                    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\VpHNWSacL2YM.bat

                                      Filesize

                                      208B

                                      MD5

                                      0dc6faa1f8f1f45f3fa81c45273a698f

                                      SHA1

                                      b0b4b385907cfb7f5c20a4d17e3193233891bfc2

                                      SHA256

                                      49199be08e1527ea0ed4d3ae511f88547ad5e1fb51fcdedba540c8cbf7a264c4

                                      SHA512

                                      6b5a10beda2be210d32529bc3e0ea00a2e3b81015775fa8fb0e7afc80652b9cfb47f2a79e37c6036ff89b02ccd8f8d7342668945b68f18e71b34d791a30a2b61

                                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                                      Filesize

                                      405KB

                                      MD5

                                      b8ba87ee4c3fc085a2fed0d839aadce1

                                      SHA1

                                      b3a2e3256406330e8b1779199bb2b9865122d766

                                      SHA256

                                      4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                      SHA512

                                      7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                                    • C:\Users\Admin\AppData\Local\Temp\w69UOehaairx.bat

                                      Filesize

                                      208B

                                      MD5

                                      fd513e3e86ae2aee8437912e3798ba2b

                                      SHA1

                                      025c326026633f105a1c362bbbdfaa148ce165c7

                                      SHA256

                                      c6807ecebd4ece33060d094103ed6509a526178f7df6c32c807d861f6edf5174

                                      SHA512

                                      2240729e64f3bca4885da4a815d7b578bc91e35c4bea8db6a96b3f6b32fb9062ad0d14d6e7bb34f838eba6237147c4ecb8b3ebc1bfca76a1e753c3be1ad94c16

                                    • C:\Users\Admin\AppData\Local\Temp\windef.exe

                                      Filesize

                                      349KB

                                      MD5

                                      b4a202e03d4135484d0e730173abcc72

                                      SHA1

                                      01b30014545ea526c15a60931d676f9392ea0c70

                                      SHA256

                                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                      SHA512

                                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                                    • C:\Users\Admin\AppData\Roaming\Logs\01-12-2025

                                      Filesize

                                      224B

                                      MD5

                                      a9675b91654abf2997c3ffa44ffe67f1

                                      SHA1

                                      4977050343994aee0b669090f4fc278b55841197

                                      SHA256

                                      e1bfcab87a41ccb3e69941ebb89c269907532c98caafbe4c1b93843e1dea60a5

                                      SHA512

                                      423041ffea6a49792bd3284a888587ddb3184fd367aeb81b720b6d6f57d87d92fb27fc5879927c5dc4a0a15b0eff8f96a32ad9c95922f0fd512d8db4165c190d

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      59e0ee43b4ad7a66c612eaeece98bb04

                                      SHA1

                                      e4285478f7dc8b152cd08885d2932d96d6690b83

                                      SHA256

                                      473164fee37b81a2afcf8214e6edcea74bf94e9f3e6e174a569f8ae5305edd21

                                      SHA512

                                      79b08262b519b22b4f7305eadd8ebf07773eaf5fb3dfebc58284379a1e249b463c4ab38abd4ed712d3766edb1c6433581404ac17cf7316c9ce08c6482cfc3cff

                                    • memory/1144-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/1144-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3652-34-0x0000000005140000-0x00000000051D2000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/3652-36-0x0000000005630000-0x0000000005642000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/3652-37-0x0000000006320000-0x000000000635C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/3652-35-0x00000000051E0000-0x0000000005246000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/3652-33-0x0000000005650000-0x0000000005BF4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/3652-30-0x00000000007B0000-0x000000000080E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/3652-26-0x0000000072D8E000-0x0000000072D8F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4580-45-0x0000000005F40000-0x0000000005F4A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/4960-19-0x0000000003B00000-0x0000000003B01000-memory.dmp

                                      Filesize

                                      4KB