Analysis

  • max time kernel
    4s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 04:08

General

  • Target

    deb68c806dd7dfdb451bd116bb09120e2abe4a3206407bd897775bda024cef43N.exe

  • Size

    2.0MB

  • MD5

    b2844e169770dfd83ce8d3d8c2a620e0

  • SHA1

    684ef0abf20643598ab681fc3b0349b3fdbb288a

  • SHA256

    deb68c806dd7dfdb451bd116bb09120e2abe4a3206407bd897775bda024cef43

  • SHA512

    2f0111e5f28e8b127e190214f3e2b632efb3a2c52dd3d9c0fe64a5ff8a1969bf86c44763b1ea5257bf710cd68af0e3d80928782123e95f57ed6a3446b927722b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYr:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y9

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 7 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 WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\deb68c806dd7dfdb451bd116bb09120e2abe4a3206407bd897775bda024cef43N.exe
    "C:\Users\Admin\AppData\Local\Temp\deb68c806dd7dfdb451bd116bb09120e2abe4a3206407bd897775bda024cef43N.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:2524
    • 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:3708
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2156
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 548
          3⤵
          • Program crash
          PID:1220
      • 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:2356
        • 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:1788
        • 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
          PID:3152
          • 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⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1188
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4EdxD1hVzt5s.bat" "
            4⤵
              PID:1872
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4636
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3028
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3236
                    • 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:5092
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A8mmp3VpWbtp.bat" "
                      6⤵
                        PID:4548
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4656
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2600
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 2232
                          6⤵
                          • Program crash
                          PID:1152
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 2232
                      4⤵
                      • Program crash
                      PID:4116
                • C:\Users\Admin\AppData\Local\Temp\deb68c806dd7dfdb451bd116bb09120e2abe4a3206407bd897775bda024cef43N.exe
                  "C:\Users\Admin\AppData\Local\Temp\deb68c806dd7dfdb451bd116bb09120e2abe4a3206407bd897775bda024cef43N.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:2264
                • 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:2200
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3708 -ip 3708
                1⤵
                  PID:1876
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:5088
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:4452
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:2708
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 520
                            3⤵
                            • Program crash
                            PID:3156
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:4564
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:3216
                            • 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:1080
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4452 -ip 4452
                            1⤵
                              PID:3464
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3152 -ip 3152
                              1⤵
                                PID:3556
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3236 -ip 3236
                                1⤵
                                  PID:4464
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:3148
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1876

                                    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\4EdxD1hVzt5s.bat

                                      Filesize

                                      208B

                                      MD5

                                      7c28d1f618ffb3a64ce93a932fb5457c

                                      SHA1

                                      21f85b6bb1288379dfb1660e72dd804a6f986870

                                      SHA256

                                      8795f515298121813d9592d1e2ad05245cff06ea0c25ba609f2266fdc6c1a743

                                      SHA512

                                      951d7670ba19ac42330a11bb24cde060510162f4682de7625ebfd2ca9e40967b9371b882863462c54e1e3bd36d0bbcd3705b97382e343795a1406ef626f545f7

                                    • C:\Users\Admin\AppData\Local\Temp\A8mmp3VpWbtp.bat

                                      Filesize

                                      208B

                                      MD5

                                      95df1ca7886d22e79230ed2aa87a3d3c

                                      SHA1

                                      05016c85707d39c67c041d1092c11815c482e616

                                      SHA256

                                      99cb6b74b4a22a4c2b3331bbcd908395b81eec557b572604fd11a97232afb662

                                      SHA512

                                      aca96bd0d72d47f947ae1a1ece2cc91c9bfa8d43c6cf34e1d909fb5ffd74996f8d30b3fc58a18eaaf7ddfa758f85d81579e498bfa4f3877399fd5fc059bebcdc

                                    • 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\01-16-2025

                                      Filesize

                                      224B

                                      MD5

                                      4c4a14ce010ace1305736f09e1ce4561

                                      SHA1

                                      bf333935beb7b1a80372e30ae28994473542c1e1

                                      SHA256

                                      54c9f02585772106c1bd50a25fe3774124b77a020667be6ec8de071618cc1179

                                      SHA512

                                      b8f0e5bdd30cd7a7793487207c1da924f8e2c1e0acfc4444f5298a6e79d31a52042041514a4b96734118aa1325b3b11a15c73aaba19833f425d8698f6d671c52

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      40a58746af433bda5dac7402c10c9932

                                      SHA1

                                      b4b8b45189c7965a96a160bb201e426f2b55c939

                                      SHA256

                                      6ddfa28d4770ce54cea873e39392d1f0dcd44752faf01518920afa4dfa9146af

                                      SHA512

                                      99d42ebab6af5fb44f1effacc4344016ab6df18286b82b0938c73d0bce91849ff5cf930bcd841b001d2a421ee5a1c49b3928250ef7eac580861b725b12045204

                                    • memory/2264-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2264-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2356-34-0x0000000004F60000-0x0000000004FF2000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/2356-36-0x0000000005C80000-0x0000000005C92000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2356-37-0x00000000061C0000-0x00000000061FC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/2356-35-0x0000000005000000-0x0000000005066000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/2356-33-0x0000000005430000-0x00000000059D4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/2356-30-0x00000000004F0000-0x000000000054E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/2356-29-0x0000000072CFE000-0x0000000072CFF000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2524-19-0x0000000004180000-0x0000000004181000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3152-45-0x0000000006D00000-0x0000000006D0A000-memory.dmp

                                      Filesize

                                      40KB