Analysis

  • max time kernel
    5s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-08-2024 07:57

General

  • Target

    6d2d9597bf74a1972625666c5dd9a420N.exe

  • Size

    2.0MB

  • MD5

    6d2d9597bf74a1972625666c5dd9a420

  • SHA1

    9eca62bac6ed59d6681b3216bee748cf1ba7db7b

  • SHA256

    baa82087d1953b284d466ded825573086d52362818d09616af8dc10352998cd2

  • SHA512

    7ada308a9bb8568d3b52765a95beef193443dc461383b077f58018fee44ec485e59d73decbb4843cfd94cb16cc30570f178d266aacc05bc9ae36cd3a040d3424

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYs:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yy

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\6d2d9597bf74a1972625666c5dd9a420N.exe
    "C:\Users\Admin\AppData\Local\Temp\6d2d9597bf74a1972625666c5dd9a420N.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:3084
    • 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:840
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4580
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 548
          3⤵
          • Program crash
          PID:4732
      • 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:3648
        • 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:1376
        • 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:4552
          • 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:4400
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\oCyPRzyFHu3W.bat" "
            4⤵
              PID:5100
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4280
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2696
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1504
                    • 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:4700
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GnJeHzwanWdx.bat" "
                      6⤵
                        PID:2880
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4588
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3972
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4740
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1504 -s 2212
                            6⤵
                            • Program crash
                            PID:2484
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 1972
                        4⤵
                        • Program crash
                        PID:2996
                  • C:\Users\Admin\AppData\Local\Temp\6d2d9597bf74a1972625666c5dd9a420N.exe
                    "C:\Users\Admin\AppData\Local\Temp\6d2d9597bf74a1972625666c5dd9a420N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1248
                  • 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:4564
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 840 -ip 840
                  1⤵
                    PID:4160
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4616
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4832
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2116
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 520
                              3⤵
                              • Program crash
                              PID:5060
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2008
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:1912
                              • 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:4424
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4832 -ip 4832
                              1⤵
                                PID:3764
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4552 -ip 4552
                                1⤵
                                  PID:2156
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1504 -ip 1504
                                  1⤵
                                    PID:1832

                                  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\GnJeHzwanWdx.bat

                                    Filesize

                                    208B

                                    MD5

                                    bbcf4434f1f3f72fa76863c67b52ee0d

                                    SHA1

                                    526d5bed275ef2fd2c023d38463b45eb3591b341

                                    SHA256

                                    15ebc64db8f1751dd6baf49a6a685bc73781f99c5481ea3bd67c4183a084e80b

                                    SHA512

                                    6f18ccdf9c87102826ed8a4c896a05911d41fcee110526de400a47897465c5ad2164b5a34b8ba8caa3ccf0b0f189b4de7fd26373cca63dff83f98897fe831b98

                                  • C:\Users\Admin\AppData\Local\Temp\oCyPRzyFHu3W.bat

                                    Filesize

                                    208B

                                    MD5

                                    489b88436a82079129a72c8cd4ba9598

                                    SHA1

                                    c62340b5693dd699c4e597b65ff2782635d0e2e4

                                    SHA256

                                    ebe77834afbe74ac8d0e02f0b50c7139220b5f157bcf794e50aed6205000ff89

                                    SHA512

                                    fb8744677df2824429aee149b65c00759064b1f7c8219df1666e8cc71d187decc424abace04ae7637e60f09201e8ddd395a821ae1c0ec8b12c72fd93ac6e8cdf

                                  • 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\08-27-2024

                                    Filesize

                                    224B

                                    MD5

                                    55bd7d6fa9134ad9e3bcc9e8d79a04b8

                                    SHA1

                                    90a767b2a302a5a926ab76f351838ef19c14c79c

                                    SHA256

                                    0f684d9d27f54f642e0d6f3d01cedc0757c71cdd8bc32baa6229977059b7904d

                                    SHA512

                                    bea7fced71521dbf5371403264b96c17b58bfe282d8fd3f136ada0bd65f9e1d08f897661301d1b37f05cb8ba7337942dcca047185d0656a18fec28989a042801

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    5515292de01c15a1c81be62dc4f1bd8a

                                    SHA1

                                    2381105babc81bee7afbdb9505864c24f051e2ad

                                    SHA256

                                    f1bde8ceb770aa71bfe92a08a2281bdbcc96d42dbac811c4259e7c5120566802

                                    SHA512

                                    3ccc4913986c168d784d501bee50d0ac6580ac97233a9364dd792f6a5007b9bc258050a0c1a3630acc008508ad460380ebf0b4d512ec68393fae111cef7b745c

                                  • memory/1248-26-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1248-18-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3084-28-0x0000000003D50000-0x0000000003D51000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3084-73-0x0000000003D50000-0x0000000003D51000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3648-36-0x0000000005DB0000-0x0000000005DEC000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/3648-35-0x0000000005870000-0x0000000005882000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3648-34-0x0000000004CC0000-0x0000000004D26000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/3648-33-0x0000000004BB0000-0x0000000004C42000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/3648-32-0x00000000050C0000-0x0000000005664000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/3648-31-0x0000000000220000-0x000000000027E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/4552-44-0x0000000006870000-0x000000000687A000-memory.dmp

                                    Filesize

                                    40KB