Analysis

  • max time kernel
    6s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 01:21

General

  • Target

    a3b6559f069073c87c7577e2c4b57580ebcb1139cf5a0c0e0e3e79894b228a5b.exe

  • Size

    2.0MB

  • MD5

    be0b192f83808a302ed9a8e374879076

  • SHA1

    e7b6a24f39961bc9f29836c88029c11aedc9d124

  • SHA256

    a3b6559f069073c87c7577e2c4b57580ebcb1139cf5a0c0e0e3e79894b228a5b

  • SHA512

    f97644932e62803af20aa3636f1c50ede644a839becdca7cafdda29162be677fce52c60b3f3e05dbfcb9a6d29de3fb49c85bbd5894fb18141c724bfea631d847

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYr: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\a3b6559f069073c87c7577e2c4b57580ebcb1139cf5a0c0e0e3e79894b228a5b.exe
    "C:\Users\Admin\AppData\Local\Temp\a3b6559f069073c87c7577e2c4b57580ebcb1139cf5a0c0e0e3e79894b228a5b.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:4240
    • 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:4324
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 548
          3⤵
          • Program crash
          PID:4228
      • 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:320
        • 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:3368
        • 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:2456
          • 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:3392
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\dMoRpvzX8Jj1.bat" "
            4⤵
              PID:4864
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3032
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4960
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1116
                    • 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:220
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RDPgkZvREsxX.bat" "
                      6⤵
                        PID:3728
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1272
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:648
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2216
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 2236
                            6⤵
                            • Program crash
                            PID:2872
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 1668
                        4⤵
                        • Program crash
                        PID:532
                  • C:\Users\Admin\AppData\Local\Temp\a3b6559f069073c87c7577e2c4b57580ebcb1139cf5a0c0e0e3e79894b228a5b.exe
                    "C:\Users\Admin\AppData\Local\Temp\a3b6559f069073c87c7577e2c4b57580ebcb1139cf5a0c0e0e3e79894b228a5b.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3804
                  • 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:1512
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4324 -ip 4324
                  1⤵
                    PID:624
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2456 -ip 2456
                    1⤵
                      PID:5040
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:5068
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4872
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2292
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 520
                                3⤵
                                • Program crash
                                PID:3252
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2940
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:872
                                • 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:3240
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4872 -ip 4872
                                1⤵
                                  PID:3176
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1116 -ip 1116
                                  1⤵
                                    PID:4016
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3032
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3980

                                      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\RDPgkZvREsxX.bat

                                        Filesize

                                        208B

                                        MD5

                                        88f8a2305f0f03cc2779219550ef06fe

                                        SHA1

                                        ecc29dbda2a77591d245a32e2515e9e85daf6340

                                        SHA256

                                        2a88fd662ac1c85cf575411ce3c350760d4ec4f9ef049e43ae9c72a18e066f1d

                                        SHA512

                                        25e4f44da67a85d77cb8340b0ba287320b41262acea35a085fcc95e99a66c6a411a4c26bc219f43e9699b24c4ad4dc9ade5b75059bae181758caa90f61e443d0

                                      • C:\Users\Admin\AppData\Local\Temp\dMoRpvzX8Jj1.bat

                                        Filesize

                                        208B

                                        MD5

                                        5a5973afd8139ee8fbeef568d006b086

                                        SHA1

                                        1ecfdd07c8f88aab0d630c685b1463711623f587

                                        SHA256

                                        a35e458de8df6e3f9f2df2ec690fbab2d54a4ecb0fab7932f32ee0ce7723f9b7

                                        SHA512

                                        ef226e19e8fee5aaa21e86c79f702bd6e1a9c69550f9ffb84a2e9babdbe1999a17eb70d2dfd172ad2e4ad79b811a430424960ec8bc49bd5cb54c54af16125cc9

                                      • 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\12-07-2024

                                        Filesize

                                        224B

                                        MD5

                                        9d4ff5f8eb586abe24dd7e2f4fcb265d

                                        SHA1

                                        34bea394dc7128da57a700dd532004bce9ec5f29

                                        SHA256

                                        5e4104481865c22af55a4ca09b4730bcf1d52a00fa1506a9ba14d35e610530a5

                                        SHA512

                                        9f32c4a3e5debb2eb31497bbcbdef4b34e277cccfa27c416379c028d1d79db06d845e473b5f075f8617c84e13d85b9f8c2ca6c45c6a0095841ff2f109efc74c6

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        75e706e847840fbc7e9213a490df17de

                                        SHA1

                                        755c984b1c308ba952a97dcc5159b6900fbbcdb5

                                        SHA256

                                        82b8d1817f3df983405c28eb9318eeadcd4b8fc2894bd268f889cd4bce2b9a96

                                        SHA512

                                        91633e127904bb14dc405ec60b648e9d615c84c92da09c6de6afe85a066b57a75d22a448600a4879749e3f5bfc6d55f66cedc498dc79c3373ce7a633fc449275

                                      • memory/320-32-0x0000000000970000-0x00000000009CE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/320-34-0x0000000005320000-0x00000000053B2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/320-35-0x00000000053C0000-0x0000000005426000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/320-36-0x0000000005800000-0x0000000005812000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/320-37-0x0000000006500000-0x000000000653C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/320-33-0x0000000005830000-0x0000000005DD4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/320-29-0x000000007373E000-0x000000007373F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2456-45-0x00000000069B0000-0x00000000069BA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3804-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3804-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4240-19-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

                                        Filesize

                                        4KB