Analysis

  • max time kernel
    5s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 21:45

General

  • Target

    4f10043fab91da7644be1100ada2093b7bdbdd1cd1ce8ab9b6121c2493347e2b.exe

  • Size

    2.0MB

  • MD5

    23c3754d9565df6ad592ce8a89442068

  • SHA1

    a734c9571929a7153cf543b130626ff9a65d7b95

  • SHA256

    4f10043fab91da7644be1100ada2093b7bdbdd1cd1ce8ab9b6121c2493347e2b

  • SHA512

    6bb9bd7795ba1ae282544e60109f093a96754a8c6c8ae777ba71001f51b7ecb42385ee7a1145329abd1b625e705ce8548cd237c7a15882c3e612ed941886a4fb

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yf

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

    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 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\4f10043fab91da7644be1100ada2093b7bdbdd1cd1ce8ab9b6121c2493347e2b.exe
    "C:\Users\Admin\AppData\Local\Temp\4f10043fab91da7644be1100ada2093b7bdbdd1cd1ce8ab9b6121c2493347e2b.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:856
    • 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:2964
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4016
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2964 -s 548
          3⤵
          • Program crash
          PID:1472
      • 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:2200
        • 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:1700
        • 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:3148
          • 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:5080
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\hirIlLp6i5w6.bat" "
            4⤵
              PID:5060
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3528
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:5004
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1004
                    • 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:1812
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GSzCuAi9SQdV.bat" "
                      6⤵
                        PID:4416
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:5056
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2236
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 1724
                          6⤵
                          • Program crash
                          PID:4204
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3148 -s 2240
                      4⤵
                      • Program crash
                      PID:4872
                • C:\Users\Admin\AppData\Local\Temp\4f10043fab91da7644be1100ada2093b7bdbdd1cd1ce8ab9b6121c2493347e2b.exe
                  "C:\Users\Admin\AppData\Local\Temp\4f10043fab91da7644be1100ada2093b7bdbdd1cd1ce8ab9b6121c2493347e2b.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:4020
                • 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:2752
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2964 -ip 2964
                1⤵
                  PID:4504
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3148 -ip 3148
                  1⤵
                    PID:3200
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3344
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4296
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4672
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4296 -s 520
                              3⤵
                              • Program crash
                              PID:60
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:888
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:3480
                              • 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:4908
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4296 -ip 4296
                              1⤵
                                PID:404
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1004 -ip 1004
                                1⤵
                                  PID:3868
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:4120
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2644

                                    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\GSzCuAi9SQdV.bat

                                      Filesize

                                      208B

                                      MD5

                                      dbc45359c8da3be52f3c08f2bb68ac23

                                      SHA1

                                      ae3603e334da3b1389dd920cc88d1ada418f0534

                                      SHA256

                                      8622625eaa45a73f24674b9835be99c42a71ac4c1aa655577be2615846da8212

                                      SHA512

                                      44f39d52ab85c36978c43970e2a9d43ab0f3aa007b613063dd0a81b96d30736687ac5bea96c69ba8f6027f29962b2c1cbd9a35ae1f0a2936725c4fc4ee8556f0

                                    • C:\Users\Admin\AppData\Local\Temp\hirIlLp6i5w6.bat

                                      Filesize

                                      208B

                                      MD5

                                      76985830ac1e62fb466673195a0eb4bb

                                      SHA1

                                      c7c2c0aa56b65248500cf5b8c3c615685d9b549f

                                      SHA256

                                      25b5ae7c686b54d8d7fae7d6dca62972695173e18aef4462b4cf345ff3dbc6c4

                                      SHA512

                                      c27287224d3f9de71c3a5c7a18d8aa7251f3498dc20c93fc5bd77dddf22277a84bafcf4e9ae05e2042c7ce4e4dfcba5c6a1cb071bd049c103a4a75ce3e03c5a4

                                    • 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\12-02-2024

                                      Filesize

                                      224B

                                      MD5

                                      9b9cc6e29ed2f917d14381e776c17eb9

                                      SHA1

                                      86f990a418375203c482b3bc28e83e6aac70a86f

                                      SHA256

                                      73ace68cda8534b94793f01757b7fa97801e0a0de376c993703b90aadc8192f8

                                      SHA512

                                      ae0155a07220d086a4155e71343783a524be143723778ae0d159fc8d81f5c5ceba15dfe1bf6b44acd07cbb87d298fcf15b78ae2496d4b8021c6471d704fb5e32

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      c991961ce62883ff117e39f4ca345924

                                      SHA1

                                      2fe8708263b6fc8ead0849dc24dcbda9acb6c70e

                                      SHA256

                                      5308883e562255ab229e0b167bd24a45e05a74556c9270bf9fd6020d372eae99

                                      SHA512

                                      1474c26e5c66cc7267a39258812fe563adaa021f1d89382a027c76d528726d805e5c6f7fc9c205f92ad7bda5bdf2cd2dbf220f3f24c702483f09500a036c1161

                                    • memory/856-19-0x0000000003C70000-0x0000000003C71000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2200-29-0x000000007352E000-0x000000007352F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2200-35-0x0000000004C00000-0x0000000004C66000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/2200-36-0x0000000005270000-0x0000000005282000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2200-37-0x0000000005E60000-0x0000000005E9C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/2200-34-0x0000000004D00000-0x0000000004D92000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/2200-33-0x00000000052B0000-0x0000000005854000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/2200-30-0x00000000002F0000-0x000000000034E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/3148-45-0x0000000006560000-0x000000000656A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/3480-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3480-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4020-28-0x0000000000150000-0x0000000000170000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4020-20-0x0000000000150000-0x0000000000170000-memory.dmp

                                      Filesize

                                      128KB