Analysis

  • max time kernel
    4s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2025 14:50

General

  • Target

    9cd3e3e21e14295f8551c5b9a1f153c52e6c523459b5ca523ab53273d08ede92N.exe

  • Size

    2.0MB

  • MD5

    3c9eb96b7abe50046c099772cfe34400

  • SHA1

    44b66273c96efaf6160d64b1ee3cfa32ac158566

  • SHA256

    9cd3e3e21e14295f8551c5b9a1f153c52e6c523459b5ca523ab53273d08ede92

  • SHA512

    c313d35405e7d31e1158bc16ff5876cffc32de3a7fcf9603f4f71d1455e267d88588bcb77a97217a3931723644bb98e35fc83ba8ef07b8784d059216034c97bc

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY1:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yn

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\9cd3e3e21e14295f8551c5b9a1f153c52e6c523459b5ca523ab53273d08ede92N.exe
    "C:\Users\Admin\AppData\Local\Temp\9cd3e3e21e14295f8551c5b9a1f153c52e6c523459b5ca523ab53273d08ede92N.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:3576
    • 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:1912
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3252
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 552
          3⤵
          • Program crash
          PID:400
      • 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:4724
        • 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:3824
        • 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:2960
          • 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:2044
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mQEb5bu8dy9c.bat" "
            4⤵
              PID:5036
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3320
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:312
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:372
                    • 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:744
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\otAN1tHpOo1K.bat" "
                      6⤵
                        PID:1756
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2380
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1844
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 372 -s 2220
                          6⤵
                          • Program crash
                          PID:3892
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 2248
                      4⤵
                      • Program crash
                      PID:2480
                • C:\Users\Admin\AppData\Local\Temp\9cd3e3e21e14295f8551c5b9a1f153c52e6c523459b5ca523ab53273d08ede92N.exe
                  "C:\Users\Admin\AppData\Local\Temp\9cd3e3e21e14295f8551c5b9a1f153c52e6c523459b5ca523ab53273d08ede92N.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:4860
                • 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:2796
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1912 -ip 1912
                1⤵
                  PID:2416
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2960 -ip 2960
                  1⤵
                    PID:3896
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3756
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:2472
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:5004
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 520
                              3⤵
                              • Program crash
                              PID:1508
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2464
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4708
                              • 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:1896
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2472 -ip 2472
                              1⤵
                                PID:4932
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 372 -ip 372
                                1⤵
                                  PID:2424
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:2480

                                  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\mQEb5bu8dy9c.bat

                                    Filesize

                                    208B

                                    MD5

                                    e6b4f0d4051e2b84ff28af704e021645

                                    SHA1

                                    b05c62611c1916abdbf8856a7d6dc7016b6e3d05

                                    SHA256

                                    ee56d6a1dab9f1ceaa46b3811f1c3fe0735b47d3ac780e5a9a178feeadc46f41

                                    SHA512

                                    f5f02879eb0b9aaa95a36ef827c7ab83ffd566f4640dae18a0af7cc2348832bb21884989d339902d92e3d77c3f7ec985decf5d9b537c58f7fe353257154608cb

                                  • C:\Users\Admin\AppData\Local\Temp\otAN1tHpOo1K.bat

                                    Filesize

                                    208B

                                    MD5

                                    31e883eebaf22166616c1cd46f68f9c0

                                    SHA1

                                    70ddce487bbca87483eb3a685a5f7f0095901631

                                    SHA256

                                    8f5748e16911805438337e843456618db7b789205d8bdbd063df57702b2f03a6

                                    SHA512

                                    34ac18d95e528308cd8813e207b310ff62a4908c0684c366587d7dd334e3a98871775d4edc26037bb18760e7c9dd09c410b3364b855dfc4d1753f718926a5a6e

                                  • 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\01-25-2025

                                    Filesize

                                    224B

                                    MD5

                                    81646755dfd0b9da84eeace59f6097d5

                                    SHA1

                                    557138f767523336fbb594e6652a970915e22fd6

                                    SHA256

                                    ee584338d7e6a92fed7a075b7f17e4cee565504d9fbce5dfd9924786b72d0382

                                    SHA512

                                    c0557ed607d017b25caeab5d737f7977900df87e15c49bd831ccd21ddddd615983026d3bb6e769025a4eaf36b2693548b39ee481b8e2eebbcdfdc4657d23f511

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    3734af418474fd154e23bba7275197e9

                                    SHA1

                                    c50d75590221ba2b5f14284004e8b7b203c09a3a

                                    SHA256

                                    85210ffd0f8469beffe4e2d191143db86e7db67055301b3f5b0ef751ce5dda07

                                    SHA512

                                    6591e456d877d6c953a0d0bcc439d542622b59a27d44585c781f3a9f67c471cb8dc9a725dea64a56d14d39fde3d56e0c51e80c02007f7170674626ad5f56bf00

                                  • memory/2960-45-0x0000000006FE0000-0x0000000006FEA000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3576-19-0x0000000003BC0000-0x0000000003BC1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4708-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4708-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4724-29-0x000000007375E000-0x000000007375F000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4724-37-0x00000000061C0000-0x00000000061FC000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/4724-36-0x0000000005C80000-0x0000000005C92000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4724-35-0x0000000005020000-0x0000000005086000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/4724-34-0x0000000004F80000-0x0000000005012000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/4724-33-0x0000000005470000-0x0000000005A14000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/4724-32-0x0000000000640000-0x000000000069E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/4860-20-0x0000000000390000-0x00000000003B0000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4860-28-0x0000000000390000-0x00000000003B0000-memory.dmp

                                    Filesize

                                    128KB