Analysis

  • max time kernel
    4s
  • 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
    31-12-2024 16:16

General

  • Target

    34b05a27769dad2f44692a1943a75d756d482bc3cf1c98c86b058ba498093c07.exe

  • Size

    2.0MB

  • MD5

    940fc009a92e5cf51125a9a89d211932

  • SHA1

    9dbe96c771e4f7e7c3309ad35aba15890fc818b0

  • SHA256

    34b05a27769dad2f44692a1943a75d756d482bc3cf1c98c86b058ba498093c07

  • SHA512

    7282772403982fbecabbb42d507609365cdafb524dc041c54d8bd6e46578baf00ab6d4d4c95fc1644bda39ab4d32f6b75a4c8b4f7b0c5cecdd0e8004e97c7f54

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

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\34b05a27769dad2f44692a1943a75d756d482bc3cf1c98c86b058ba498093c07.exe
    "C:\Users\Admin\AppData\Local\Temp\34b05a27769dad2f44692a1943a75d756d482bc3cf1c98c86b058ba498093c07.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:1860
    • 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:2968
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3116
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 548
          3⤵
          • Program crash
          PID:3840
      • 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:4160
        • 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:216
        • 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:4616
          • 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:3616
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C2dnLpGS3pV3.bat" "
            4⤵
              PID:4248
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:652
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1548
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3508
                    • 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:4360
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Q8Kn8rKEF84X.bat" "
                      6⤵
                        PID:2652
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4336
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4440
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 1952
                          6⤵
                          • Program crash
                          PID:4060
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 2220
                      4⤵
                      • Program crash
                      PID:3760
                • C:\Users\Admin\AppData\Local\Temp\34b05a27769dad2f44692a1943a75d756d482bc3cf1c98c86b058ba498093c07.exe
                  "C:\Users\Admin\AppData\Local\Temp\34b05a27769dad2f44692a1943a75d756d482bc3cf1c98c86b058ba498093c07.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:4980
                • 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:4552
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2968 -ip 2968
                1⤵
                  PID:2156
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4616 -ip 4616
                  1⤵
                    PID:4912
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:2156
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:2016
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:1572
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 520
                              3⤵
                              • Program crash
                              PID:4692
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3192
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2780
                              • 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:1488
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2016 -ip 2016
                              1⤵
                                PID:4956
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 3508 -ip 3508
                                1⤵
                                  PID:1252
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:3568
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2280

                                    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\C2dnLpGS3pV3.bat

                                      Filesize

                                      208B

                                      MD5

                                      74cdbadc6ad44e81ce98cb5e1290c5de

                                      SHA1

                                      93e4418590a96767f0d5b628654e3d880c256e6a

                                      SHA256

                                      4ff14a784e190d3a6f0cb895f6ce71e43b3677f0c1326efbd2dc1d6a1471a979

                                      SHA512

                                      bccc17b00c9118b1b0deac818412265baf147b5fda2dc7ee9264d69888cae92ccf78195efd1480aecd6f9e082e3ad589373c93f9d19e05cbe3b506849a57f4e9

                                    • C:\Users\Admin\AppData\Local\Temp\Q8Kn8rKEF84X.bat

                                      Filesize

                                      208B

                                      MD5

                                      1fa6482bd4a0d08406f6e10461c30299

                                      SHA1

                                      c6110165388b3dcb737d7258cec1bf9915f16fa3

                                      SHA256

                                      e93b0efb3ec55523acd776950e3d78cff4a9d5bdf6682b5963f3c885d4ca2e6b

                                      SHA512

                                      614d8cc16a2e3f99a71237c48080d78fe4be5ac124bcfa820c2992aa342c06df5f8d701920218511163e03f32ec2d6581d81ddb3077e995df29883cb92b9c7f5

                                    • 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\12-31-2024

                                      Filesize

                                      224B

                                      MD5

                                      d423020601b5e951daf77730d8f91519

                                      SHA1

                                      4a58473f78c47752ab1f86e9f0573e4c958e1fbf

                                      SHA256

                                      f86bcda55aae585f251c37849e5366786efd8ee232e9aa2c89722dde127afc23

                                      SHA512

                                      6371ff69768be4d612a483bc2cd07c7b1122a344b5e36c2ac13a70ded9a6c00e6c1caeeeb76add5d75806975c1751ae38c68ee378e65f763d8ea6713659f87ab

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      df3a752a353e76e5ff489fbed1a462b2

                                      SHA1

                                      5527ca8a6148c8dc16e1bd3581718a6f29318e7a

                                      SHA256

                                      4798c62158d9d6c63777d9ac09a1738d140e7a9b19ff4b79e5a1f8225ee5e063

                                      SHA512

                                      7096c863a7f2ec66bb6aa5c89117accbc49e41967722ae0de6fb27cf6d25031c2fcf7e7cf2ae66adfdd92f8abb5c8d83238d0cc69bbfe7aaa775b232a3260972

                                    • memory/1860-19-0x0000000000D50000-0x0000000000D51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4160-30-0x0000000000F10000-0x0000000000F6E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/4160-35-0x0000000005AB0000-0x0000000005B16000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/4160-36-0x0000000006680000-0x0000000006692000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4160-37-0x0000000006BC0000-0x0000000006BFC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/4160-34-0x0000000005A10000-0x0000000005AA2000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/4160-33-0x0000000005E60000-0x0000000006404000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/4160-29-0x000000007375E000-0x000000007375F000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4616-45-0x00000000062A0000-0x00000000062AA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/4980-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4980-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB