Analysis

  • max time kernel
    4s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 01:05

General

  • Target

    b6cff4f6bdeab2383ec7ba75f6f85f60_NEIKI.exe

  • Size

    2.0MB

  • MD5

    b6cff4f6bdeab2383ec7ba75f6f85f60

  • SHA1

    70174ef25afd769e5acb0324db567993e853e214

  • SHA256

    46132e70aa610ad59efc8aa866ca99fb57c5c0f97bdd91e82cc0de62412a7130

  • SHA512

    001b2216fc482534f53a7e8f22dead6805c304c6157711f39300d559bccb425f421f311d59b1b262dc3bdf3e5ae9ab6b0f5795dd97de8287f99b66946b45f262

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYa:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yg

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

    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 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
  • Creates scheduled task(s) 1 TTPs 5 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 WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6cff4f6bdeab2383ec7ba75f6f85f60_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\b6cff4f6bdeab2383ec7ba75f6f85f60_NEIKI.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2444
    • 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:3972
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4440
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 548
          3⤵
          • Program crash
          PID:1744
      • 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:3020
        • 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:3188
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:4108
          • 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:3220
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WMNrvo7xMHh9.bat" "
            4⤵
              PID:2772
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1612
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:3596
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3784
                    • 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:4632
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MbyjtL5swi6P.bat" "
                      6⤵
                        PID:4960
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4300
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • Runs ping.exe
                            PID:4416
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3784 -s 1948
                          6⤵
                          • Program crash
                          PID:1028
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4108 -s 1968
                      4⤵
                      • Program crash
                      PID:4560
                • C:\Users\Admin\AppData\Local\Temp\b6cff4f6bdeab2383ec7ba75f6f85f60_NEIKI.exe
                  "C:\Users\Admin\AppData\Local\Temp\b6cff4f6bdeab2383ec7ba75f6f85f60_NEIKI.exe"
                  2⤵
                    PID:748
                  • 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:4272
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3972 -ip 3972
                  1⤵
                    PID:652
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4108 -ip 4108
                    1⤵
                      PID:4456
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3776
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2812
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:872
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 520
                                3⤵
                                • Program crash
                                PID:436
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4832
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:1088
                                • 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:4612
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2812 -ip 2812
                                1⤵
                                  PID:4652
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3784 -ip 3784
                                  1⤵
                                    PID:3364
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:560
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4696

                                      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\MbyjtL5swi6P.bat

                                        Filesize

                                        208B

                                        MD5

                                        5643ecdd03403e54a3ddda33cdbfd63f

                                        SHA1

                                        08f4bd20bf9cf745b65dc1dee52399499fe2485e

                                        SHA256

                                        e84a4d674843cd0664bdf0ca3c8d67b731af2a3bd432779c8a8b1bbe53f90d65

                                        SHA512

                                        d5d5418e09213b61d250b5500961c88f58050e070c2c4e64516a8ad46bbb8691d81355bd4b93a81d1963b946461d027e68a8e3aa0fc2b6f9a52bc83bc0429de9

                                      • C:\Users\Admin\AppData\Local\Temp\WMNrvo7xMHh9.bat

                                        Filesize

                                        208B

                                        MD5

                                        e8a09935ea65b0edea23f52c89661c3a

                                        SHA1

                                        6d93a9bf018816b1fbb4746904667113fd1a0edc

                                        SHA256

                                        f4bcf88b226a7d789a27e6635ff9e122260b671eeb2bb9b618d73ce1ebf65be9

                                        SHA512

                                        459333212a3b581e8e1e8f42e6494729260fede3bf010f7577979a32ba998dcd3613d99eb13b090fb2e72d16b2c101e640b79210ae1e9213b45deb871bd25db4

                                      • 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\05-09-2024

                                        Filesize

                                        224B

                                        MD5

                                        195021114bd65326b9a8f9c5c5621e46

                                        SHA1

                                        7a58e5f87a6e9c8bf48bcc9e622754b91cdf5c84

                                        SHA256

                                        868cbd09220fcf8f424fae7c0c87032813581d2160f72415f5daf0253988f4f7

                                        SHA512

                                        a9b41e4d522184f0692028b624fc45896ae07f4c6d04470ad550129e55250738ce26df39f42240c6d8390d6c48c5bef7999b59e36fc234aa5a67af1bb740d4fa

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        5eb3d5ebfaeb8706ff36fcc539e1eac6

                                        SHA1

                                        0eee19b6dda12ca566dffc2d1876c04f705c9461

                                        SHA256

                                        02fe85e3a1cc5438c08cd3e41f42464727c9b55ec936d9a530b757b5b5baffa2

                                        SHA512

                                        3d1e22e2061d6566560d79fc162a543c5a525cf6897b36591c4c1fe3ff9660c97f514761f403ae8716506b719cf1e1af63ee3ca020f0474561a64c3394144782

                                      • memory/748-29-0x0000000000840000-0x0000000000860000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/748-19-0x0000000000840000-0x0000000000860000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1088-81-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1088-75-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2444-46-0x0000000003B50000-0x0000000003B51000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2444-26-0x0000000003B50000-0x0000000003B51000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3020-33-0x0000000005750000-0x0000000005CF4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/3020-34-0x0000000005240000-0x00000000052D2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/3020-30-0x0000000000770000-0x00000000007CE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/3020-27-0x00000000738EE000-0x00000000738EF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3020-37-0x0000000006520000-0x000000000655C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/3020-36-0x0000000005730000-0x0000000005742000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3020-35-0x00000000052E0000-0x0000000005346000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4108-45-0x0000000006950000-0x000000000695A000-memory.dmp

                                        Filesize

                                        40KB