Analysis

  • max time kernel
    5s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 06:34

General

  • Target

    9a7c04da19e137dca27536f87f69c67a935f4b06459b746449afe3a21e6bef52N.exe

  • Size

    2.0MB

  • MD5

    38e13d5c19318d2ad93799cc3adf2a90

  • SHA1

    a3c7fd0eb6864dbf39c05f7f2b10a565e93efa90

  • SHA256

    9a7c04da19e137dca27536f87f69c67a935f4b06459b746449afe3a21e6bef52

  • SHA512

    0556e4a1e74ed313f56c270d2b6b4603490970db2dd098b632f75e9283219c2f9da42e9f74b7ba1e3cafb1ae0c975fae6e8fc687fd5cfb09fc21c2f7c1d67762

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYd:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yv

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 3 IoCs

    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 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
  • 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 6 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\9a7c04da19e137dca27536f87f69c67a935f4b06459b746449afe3a21e6bef52N.exe
    "C:\Users\Admin\AppData\Local\Temp\9a7c04da19e137dca27536f87f69c67a935f4b06459b746449afe3a21e6bef52N.exe"
    1⤵
    • Quasar RAT
    • 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:2108
    • 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:672
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 672 -s 548
          3⤵
          • Program crash
          PID:3292
      • 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:4056
        • 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:1952
        • 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:2860
          • 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:3144
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JVKC5naxnetl.bat" "
            4⤵
              PID:1768
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2852
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4428
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3256
                    • 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:1240
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\J6Mvqqk9fgSJ.bat" "
                      6⤵
                        PID:4828
                        • C:\Windows\System32\Conhost.exe
                          \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                          7⤵
                            PID:1952
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            7⤵
                              PID:3612
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              7⤵
                              • System Network Configuration Discovery: Internet Connection Discovery
                              • Runs ping.exe
                              PID:4104
                            • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                              "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                              7⤵
                                PID:3788
                                • 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⤵
                                  • Scheduled Task/Job: Scheduled Task
                                  PID:3876
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 1996
                              6⤵
                              • Program crash
                              PID:2428
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 1996
                          4⤵
                          • Program crash
                          PID:1512
                    • C:\Users\Admin\AppData\Local\Temp\9a7c04da19e137dca27536f87f69c67a935f4b06459b746449afe3a21e6bef52N.exe
                      "C:\Users\Admin\AppData\Local\Temp\9a7c04da19e137dca27536f87f69c67a935f4b06459b746449afe3a21e6bef52N.exe"
                      2⤵
                      • System Location Discovery: System Language Discovery
                      PID:4664
                    • 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:116
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 672 -ip 672
                    1⤵
                      PID:4192
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2860 -ip 2860
                      1⤵
                        PID:4568
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        1⤵
                          PID:2388
                          • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                            "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                            2⤵
                              PID:4188
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k
                                3⤵
                                  PID:2952
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 520
                                  3⤵
                                  • Program crash
                                  PID:4488
                              • C:\Users\Admin\AppData\Local\Temp\windef.exe
                                "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                                2⤵
                                  PID:2264
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:3520
                                  • 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:5064
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4188 -ip 4188
                                  1⤵
                                    PID:4516
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3256 -ip 3256
                                    1⤵
                                      PID:3396

                                    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\J6Mvqqk9fgSJ.bat

                                      Filesize

                                      208B

                                      MD5

                                      6048df1785bcc8522ed5f325446324af

                                      SHA1

                                      ba9e7b866f0c7d16872c3544429c49f6f625cad7

                                      SHA256

                                      3bfdf6f80d5295a0c6dea19385c969f2015d45c5bdd6cc4f5061317cc117de47

                                      SHA512

                                      ad7550908c23aaf5ee3034ac9fb7db168226d08411eb48afec27cc1b9130e3a08bba8c84acf91a0172141e71c38be7667d8f4611a214ac552225c25f40617bf6

                                    • C:\Users\Admin\AppData\Local\Temp\JVKC5naxnetl.bat

                                      Filesize

                                      208B

                                      MD5

                                      9cdbd8ff6c023281ff99c6d80dbf5c00

                                      SHA1

                                      11c5fa3febd7ba83a63668c8e0f7d6ef63b305f5

                                      SHA256

                                      5b20fe97431546ff48f75fe0555fd314ed22f39faee33618f2bf2e2254b46347

                                      SHA512

                                      07deeae29fad1c16bbcdabe6950a6a4aa77c1446e2d9ec699c57f869016a9a4828d2eedecf5630290d4f369a82816a8d7661167554e14eb4ff81dfc4c0326847

                                    • 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\11-25-2024

                                      Filesize

                                      224B

                                      MD5

                                      cf5b741bef0be7decaf757b7d6d89d77

                                      SHA1

                                      661493c86354e6658759984c3426f21cd2357d13

                                      SHA256

                                      4f9fd5796ba41b54efc8448841c36a75b68abae04cc19f35e9fcddcf5ea60d49

                                      SHA512

                                      ca9ace25b3d95e38468a872edb11d1b730e031609ea4bbe8a9e6d82c93ae8eda4c95b9e65ed34e8078ca73d33b3ef8625363404aac815c8cb1cf2182ec98602e

                                    • C:\Users\Admin\AppData\Roaming\Logs\11-25-2024

                                      Filesize

                                      224B

                                      MD5

                                      51d71638915349d1cbd54d88b5d86179

                                      SHA1

                                      7099e0cace676a3f070605fb23e04571129469f7

                                      SHA256

                                      486f39597e0d46079e1ed04246ce20e50ea70761db021aa95bf7b744da74f36e

                                      SHA512

                                      dae71537ef69857db3562bd9e4b0b3b0ebd8d0135a0c5fc0f9b4b960444ef46356e0328358df3fc5f97b180f8890f57717cd7dd67d1f8095916ab222437995ad

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      e2c9185ea8157057cfbda831a177e019

                                      SHA1

                                      920db0ab448fc73b9fe25803f6344b76656fef2b

                                      SHA256

                                      6c19648438eb9afedb7fc7efaeee16ae485bd8819cf6a0bc456f2d1957ee30a5

                                      SHA512

                                      f9b511b033bb272f1e30c838ebc5281c2ccf5f9ade62c480b4ade5a170f5564f10c2641d06e581194b2fd8b27046f8048e90ff1495d19092501522f49cad89ee

                                    • memory/2108-19-0x0000000004250000-0x0000000004251000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2860-44-0x0000000006040000-0x000000000604A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/3520-79-0x00000000008A0000-0x00000000008C0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3520-73-0x00000000008A0000-0x00000000008C0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4056-31-0x00000000004D0000-0x000000000052E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/4056-36-0x0000000006140000-0x000000000617C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/4056-35-0x0000000005C00000-0x0000000005C12000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4056-34-0x0000000004EA0000-0x0000000004F06000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/4056-33-0x0000000004DF0000-0x0000000004E82000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/4056-32-0x0000000005450000-0x00000000059F4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/4664-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4664-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB