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Analysis

  • max time kernel
    5s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/05/2024, 17:51

General

  • Target

    64476e5b643bef08a76188f5228ea38e_NEAS.exe

  • Size

    2.0MB

  • MD5

    64476e5b643bef08a76188f5228ea38e

  • SHA1

    5da81fdb180552d7d90674e1f0fdbfcb274cf2c1

  • SHA256

    c8cf440bcfcc5dfc3751729db1d3533da9255071a838bec40bab1d95c6d773d9

  • SHA512

    a8f54ad302ae5025306e7580dd6f72af4281b5b87eae4b0aadd7918bd3bd89ab416a3ecc956add2d99de91bff3fbbcb71218386ed18210c38ec553cd62dc00bb

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYz:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

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.

  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • 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 2 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
  • Creates scheduled task(s) 1 TTPs 6 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Runs ping.exe 1 TTPs 2 IoCs
  • 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\64476e5b643bef08a76188f5228ea38e_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\64476e5b643bef08a76188f5228ea38e_NEAS.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3160
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3136
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4284
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 548
          3⤵
          • Program crash
          PID:1268
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2684
        • 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⤵
          • Creates scheduled task(s)
          PID:2668
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3116
          • 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⤵
            • Creates scheduled task(s)
            PID:424
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\jRckzECsMjoe.bat" "
            4⤵
              PID:4436
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4428
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:968
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1668
                    • 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⤵
                      • Creates scheduled task(s)
                      PID:4332
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\go0HFZ4UBsJs.bat" "
                      6⤵
                        PID:4696
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3936
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • Runs ping.exe
                            PID:3128
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3692
                              • 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
                                8⤵
                                • Creates scheduled task(s)
                                PID:1812
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 2236
                            6⤵
                            • Program crash
                            PID:3300
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3116 -s 2216
                        4⤵
                        • Program crash
                        PID:3128
                  • C:\Users\Admin\AppData\Local\Temp\64476e5b643bef08a76188f5228ea38e_NEAS.exe
                    "C:\Users\Admin\AppData\Local\Temp\64476e5b643bef08a76188f5228ea38e_NEAS.exe"
                    2⤵
                      PID:2832
                    • 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⤵
                      • Quasar RAT
                      • Creates scheduled task(s)
                      PID:2404
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3136 -ip 3136
                    1⤵
                      PID:4088
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3116 -ip 3116
                      1⤵
                        PID:2220
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        1⤵
                          PID:4712
                          • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                            "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                            2⤵
                              PID:1344
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k
                                3⤵
                                  PID:1228
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 520
                                  3⤵
                                  • Program crash
                                  PID:1028
                              • C:\Users\Admin\AppData\Local\Temp\windef.exe
                                "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                                2⤵
                                  PID:1552
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:4876
                                  • 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⤵
                                    • Creates scheduled task(s)
                                    PID:4728
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1344 -ip 1344
                                  1⤵
                                    PID:648
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1668 -ip 1668
                                    1⤵
                                      PID:4452
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2464

                                      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\go0HFZ4UBsJs.bat

                                        Filesize

                                        208B

                                        MD5

                                        c434d49a8f1391c8ea4a178b0818b5de

                                        SHA1

                                        fc0c68f1a7be73a4b6a1d06646dce196a59a2b1e

                                        SHA256

                                        bd8bc2f6bffddf745a01dbd1a8b847daf86d98527c8e4daf0cb5a5bd588a789f

                                        SHA512

                                        e56d77281d75558de6bd9f35b04a65991343eebe37a3c23e6d878852812d5ac853c04144906590f246aca9177e0b3bb4e1732099a243520ba8e6293aa3f8dc3b

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

                                        Filesize

                                        208B

                                        MD5

                                        5fa859b6bada96471c759951c588f566

                                        SHA1

                                        b6e33174ae4fc51efed743827d73d27dfa79169a

                                        SHA256

                                        1378b6edc51b64c61f8824486718abd53e59363af2969c446eb694bd35dd03e1

                                        SHA512

                                        52cf5f82d7af4bf86b6f937f2b185839ca140a8f5c0a749330211bdd9ed096e5fc29d5c62c11b7862d64c023380b1865402e765f1c1ec5471cb7f31d699c46a4

                                      • 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\05-06-2024

                                        Filesize

                                        224B

                                        MD5

                                        6eb9877d75d83f54ae224c5180ef6bfb

                                        SHA1

                                        f1359773ead7c2edcb15663b893963cb1255a6ea

                                        SHA256

                                        db86d0d2f3a68d311ba8cf3e99fd18e320317d82f87f58d13bfda66a41288a80

                                        SHA512

                                        01d06ac799659417b5e2c0844e16524878b6bb17a4261a49dad7c284e95f12315c93f9ea37e7880e7975fdc5c98dc1157172d3bb99b3c012a884c9bde16ef88f

                                      • C:\Users\Admin\AppData\Roaming\Logs\05-06-2024

                                        Filesize

                                        224B

                                        MD5

                                        a81685e1e17a6262da988e532df58fb1

                                        SHA1

                                        33b1476bcc0efaf43ab87d6e15604b2e0b6d5f77

                                        SHA256

                                        5e638aab758532fdb40f8c2a7c6a4448f8b528649b4ebb5ec5ea9a3b01139aac

                                        SHA512

                                        38a562e3562a620bfa783dfc1020223cecfa8fb129cef46e391edbf65ac6ddba4a8dfb4018d820322b85658f179debd7fb0b24791897c7dd6140291756aaa5d3

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        7d8ca95db2182c84dca10f66cf568f19

                                        SHA1

                                        8f016e912a0e558f56e84dda989c423d60fa9235

                                        SHA256

                                        a51e1dac0b388b8a6f5f2ad80118afbdf101e3286c60c7f57c14637cd9c7c37c

                                        SHA512

                                        ebcb4ee8d403467299f2b9a2a927b775c348f9f636dd3b6bf05ac719d043b511a08f60fdf40196b301225663d4e24bbbcfb2bd9e9d0b453e7fe56164c5d9ff66

                                      • memory/2684-36-0x0000000005000000-0x0000000005012000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2684-35-0x0000000004AC0000-0x0000000004B26000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/2684-34-0x0000000004B60000-0x0000000004BF2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/2684-37-0x0000000005D00000-0x0000000005D3C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/2684-31-0x0000000005070000-0x0000000005614000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/2684-30-0x0000000000170000-0x00000000001CE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/2684-27-0x000000007376E000-0x000000007376F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2832-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2832-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3116-45-0x0000000006850000-0x000000000685A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/3160-46-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3160-26-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3160-89-0x00000000740D0000-0x0000000074471000-memory.dmp

                                        Filesize

                                        3.6MB