Analysis

  • max time kernel
    5s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-01-2025 03:24

General

  • Target

    cd2fbad7de3454ead5efd638a3d42799665c7b3ec2a818f9aea661f96a6b27b2.exe

  • Size

    2.0MB

  • MD5

    37ec6a58666f4198cec32690f5efd70b

  • SHA1

    d91b490f7030bb64b7950dbf2a761ea49b301458

  • SHA256

    cd2fbad7de3454ead5efd638a3d42799665c7b3ec2a818f9aea661f96a6b27b2

  • SHA512

    40c304613abe69fef1668e629dbc8e5432ecb830fcd30254947a595bde0d2c004ee7e745e594eb3e6f0e88acd1daf68390ffab981d096346ed64349b75bd3391

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

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\cd2fbad7de3454ead5efd638a3d42799665c7b3ec2a818f9aea661f96a6b27b2.exe
    "C:\Users\Admin\AppData\Local\Temp\cd2fbad7de3454ead5efd638a3d42799665c7b3ec2a818f9aea661f96a6b27b2.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:1288
    • 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:696
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3744
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 696 -s 548
          3⤵
          • Program crash
          PID:4992
      • 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:2068
        • 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:244
        • 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:1136
          • 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:1228
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0DtYeQ5NjDuF.bat" "
            4⤵
              PID:2216
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4592
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3980
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4376
                    • 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:316
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\s5JXMoBaLapf.bat" "
                      6⤵
                        PID:4560
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4224
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3460
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 2204
                          6⤵
                          • Program crash
                          PID:3012
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 2244
                      4⤵
                      • Program crash
                      PID:3412
                • C:\Users\Admin\AppData\Local\Temp\cd2fbad7de3454ead5efd638a3d42799665c7b3ec2a818f9aea661f96a6b27b2.exe
                  "C:\Users\Admin\AppData\Local\Temp\cd2fbad7de3454ead5efd638a3d42799665c7b3ec2a818f9aea661f96a6b27b2.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:3640
                • 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:4980
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 696 -ip 696
                1⤵
                  PID:3712
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1136 -ip 1136
                  1⤵
                    PID:3984
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:1244
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3624
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4616
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 520
                              3⤵
                              • Program crash
                              PID:2528
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:4908
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4904
                              • 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:3720
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3624 -ip 3624
                              1⤵
                                PID:4780
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4376 -ip 4376
                                1⤵
                                  PID:1368
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:4544
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4528
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:3368
                                        • C:\Windows\explorer.exe
                                          explorer.exe /LOADSAVEDWINDOWS
                                          2⤵
                                            PID:3940

                                        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\0DtYeQ5NjDuF.bat

                                          Filesize

                                          208B

                                          MD5

                                          a64c5012934211f7aba1efc0ec1e639a

                                          SHA1

                                          84f6829cb9d4b6458dd8c4089c15cba954080b30

                                          SHA256

                                          3566f6eb3057ed214a6b12087f5691260a4997750c79159038c0e5a334141edd

                                          SHA512

                                          aaae00c1930a91171611eac22bafc92241e1d7c5727e18e7eb4815aacc1e4aa2f65b2195b6bc000dc979aba13b936a9cac446454d9eb6e4ff9a1b92697fbd2b6

                                        • C:\Users\Admin\AppData\Local\Temp\s5JXMoBaLapf.bat

                                          Filesize

                                          208B

                                          MD5

                                          30112747acd36030dcf58b514c79bc7e

                                          SHA1

                                          444feac10269606ceb909dbb88e17f4690db38f2

                                          SHA256

                                          701fe62d63bd0dd249a1c249979cd29cd1592c4902c1de389097e91ce437beb9

                                          SHA512

                                          56f162e170cb1235f9267e71a88603e2fdcc56cebb7b228f021c6cee324e090a9808418384cfb80f1a88d529678962734761c7327886abd7ecfe92edda449439

                                        • 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\01-28-2025

                                          Filesize

                                          224B

                                          MD5

                                          442f0de968bb869b35d46d7705677258

                                          SHA1

                                          0780c88bdf3db4c616ba24c961ea114318938845

                                          SHA256

                                          b34977da64679cc6e74cbd46ca4f44507ffa2b93e52130babc6a9a9c4e0e0f0a

                                          SHA512

                                          f5d134ec601b77e54f5980091e3719c1d5892e0a9b8699d0dcca8ae14f289aa9665ac2d80c7bcb6fd9482c10e0b8643cfab836e56debe4b7303eb8982cbd2cdf

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          8b1b9e8c32dc01f1d75c804b41fe2a2a

                                          SHA1

                                          1374825af97baf661fccd41dc103159f3ebbc3ab

                                          SHA256

                                          e469eda737da6698989de7cecadfb27e8ce1e114b52033ad23e7a665277afa4f

                                          SHA512

                                          bac8f16e95c62e7be9675decdb6eb98ceadcaab8104a67925cf97bcb4f1bcf9543f08351412d29c0cdbedb958db653969a6b4c51cf0160f55d2df6ea14776382

                                        • memory/1136-44-0x0000000006AB0000-0x0000000006ABA000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/1288-18-0x0000000003BE0000-0x0000000003BE1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2068-31-0x0000000000410000-0x000000000046E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/2068-36-0x0000000005FA0000-0x0000000005FDC000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/2068-35-0x0000000005A60000-0x0000000005A72000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2068-34-0x0000000004DE0000-0x0000000004E46000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/2068-33-0x0000000004D30000-0x0000000004DC2000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/2068-32-0x0000000005390000-0x0000000005934000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/3640-28-0x0000000000900000-0x0000000000920000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3640-19-0x0000000000900000-0x0000000000920000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4560-86-0x0000000077610000-0x00000000776CF000-memory.dmp

                                          Filesize

                                          764KB

                                        • memory/4904-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4904-79-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB