Analysis

  • max time kernel
    6s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 00:07

General

  • Target

    87a44ad7ca862cfc9725becf5eba60c379b91a6ad9c0270be33008d83b00e938.exe

  • Size

    2.0MB

  • MD5

    52518532adb9036fe7c7c6b7f4480a9b

  • SHA1

    e07641ec49321afbe3b18fe8e33334cf98ac6860

  • SHA256

    87a44ad7ca862cfc9725becf5eba60c379b91a6ad9c0270be33008d83b00e938

  • SHA512

    53e9c4fc4d2dda3e8db25004250de62926ffaaf5213348f46de8113c099a610ed65d488c3c9f10b5b1a0337a835ce430e5ded1736a92b6403d8d48f9f269b73d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yx

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
  • 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\87a44ad7ca862cfc9725becf5eba60c379b91a6ad9c0270be33008d83b00e938.exe
    "C:\Users\Admin\AppData\Local\Temp\87a44ad7ca862cfc9725becf5eba60c379b91a6ad9c0270be33008d83b00e938.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:1640
    • 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:1552
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:984
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 548
          3⤵
          • Program crash
          PID:3016
      • 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:1536
        • 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:4272
        • 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:2436
          • 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:4396
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7DZ0noJX5eJt.bat" "
            4⤵
              PID:2112
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4924
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2800
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1984
                    • 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:1228
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2dsJ9cMbosnn.bat" "
                      6⤵
                        PID:3228
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3888
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4920
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:5004
                              • 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:4924
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 2248
                            6⤵
                            • Program crash
                            PID:3276
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 2288
                        4⤵
                        • Program crash
                        PID:2056
                  • C:\Users\Admin\AppData\Local\Temp\87a44ad7ca862cfc9725becf5eba60c379b91a6ad9c0270be33008d83b00e938.exe
                    "C:\Users\Admin\AppData\Local\Temp\87a44ad7ca862cfc9725becf5eba60c379b91a6ad9c0270be33008d83b00e938.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1872
                  • 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:956
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1552 -ip 1552
                  1⤵
                    PID:1064
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3404
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:2780
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2628
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 520
                              3⤵
                              • Program crash
                              PID:5088
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2964
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                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⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:4308
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2780 -ip 2780
                              1⤵
                                PID:4200
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2436 -ip 2436
                                1⤵
                                  PID:3196
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1984 -ip 1984
                                  1⤵
                                    PID:4520

                                  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\2dsJ9cMbosnn.bat

                                    Filesize

                                    208B

                                    MD5

                                    94cb57cba2407c76ccc768ccebe121a3

                                    SHA1

                                    480a927eb2d51a19ba78095f880ddcb78104742c

                                    SHA256

                                    e181cd8f4740a41313a03453c24b1a67bc167c2ae41273a9b5c46c2877791ef9

                                    SHA512

                                    559d9f54f1093338e2ec7313fe468c3ea8e88cdaa02ecb9cfda9a3143b81aa7c145f56afaf2ad163f0daa1dfde59ae55c4be5608255997b19743761674c86de7

                                  • C:\Users\Admin\AppData\Local\Temp\7DZ0noJX5eJt.bat

                                    Filesize

                                    208B

                                    MD5

                                    840f3b0ae1061bd9e7c2cc0ffe4f4120

                                    SHA1

                                    d081c4be966ebfa4c255526c63556550e706e5ff

                                    SHA256

                                    f8ffda3d56ca9881c1522189ec02e43668a4015c863b86c06e1d4c5924d3171b

                                    SHA512

                                    624fa084f670588341ec9c73e8f8c125d795e8972f4a899352aaba28431e07e9ddf7ae1f7e51e81506b0b10cf077237b60092bd60491e0df7c2da2c1c7cb77fb

                                  • 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\07-26-2024

                                    Filesize

                                    224B

                                    MD5

                                    79d57cdb70cb0e262663384291c17794

                                    SHA1

                                    69c410d8b5630a8d6dfc58c5577e426207e0f209

                                    SHA256

                                    773fcca996196f1101166ee7d604103d2b8a41871fe650ecb23089e5c980245f

                                    SHA512

                                    52bebde7e89d1311e73a9ef35408903388d57664ace7cb2a07de61ab6ffd3b032ca16c2bc957d888cc6c8d19c1cdbc5b41a1cfc6cae7a074eac3086392ce83f7

                                  • C:\Users\Admin\AppData\Roaming\Logs\07-26-2024

                                    Filesize

                                    224B

                                    MD5

                                    9a8065027e50bcdee62b7d050930ad3f

                                    SHA1

                                    6a346e6be6bf5311bc1c1ee9411bd0aaa77b22f5

                                    SHA256

                                    6638dfe05e0bf3bf91695e512b0de34eff4575101612a98e49a624d1ca64e120

                                    SHA512

                                    e9c9433c44832247ec8bc49e3aed500b3ccaa044d503d3653eef8eb31d7222b40fb0a3a9b46fa3935790b73d4626ab2523e73f56d82b3f5fcaa497429e91b771

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    046fd8476fc068b1a9da3eccd7967769

                                    SHA1

                                    09ce4885aa87140cea9443dd4f62d0662cd019ea

                                    SHA256

                                    4a620fc511d16ad3f06ba17de9413f5a400df96f374d6f323b8b8d6b61c141ef

                                    SHA512

                                    287d18d9df9da77b52cbdea3f225627757b7b6019e2d27158baf3cbcef3761c908bd278c593a9a94ec07b9ed2214ea262f2cb217899ae26db1f464162c8457b0

                                  • memory/1536-36-0x0000000006200000-0x0000000006212000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1536-35-0x00000000055A0000-0x0000000005606000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/1536-34-0x0000000005500000-0x0000000005592000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/1536-37-0x0000000006740000-0x000000000677C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/1536-31-0x00000000059D0000-0x0000000005F74000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/1536-30-0x0000000000BB0000-0x0000000000C0E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/1536-19-0x000000007367E000-0x000000007367F000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1640-20-0x0000000003CB0000-0x0000000003CB1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1872-29-0x0000000000100000-0x0000000000120000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1872-21-0x0000000000100000-0x0000000000120000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2436-45-0x00000000066F0000-0x00000000066FA000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/4664-67-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4664-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB