Analysis

  • max time kernel
    6s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2024 10:28

General

  • Target

    dttcodexgigas.exe

  • Size

    2.0MB

  • MD5

    77efa5be74c9b2bb296a78610131bac1

  • SHA1

    f498f77ee46bee9565ac5706e3b8da5dedd3e5ef

  • SHA256

    43ed13d26dcd5c680e6b5a9ec646113dc52ba11bb33d91e3162169e9168437bb

  • SHA512

    7f4f7966b88921eb373b7ce634fb21853ef2d11b5cb4ae4ff1bc28d115a8ae742f826fc5da5c72182626d7cf9cfea00de740f7da94277bcad285ee44d20f6137

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYY:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y+

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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\dttcodexgigas.exe
    "C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.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:4784
    • 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:4840
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2012
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 548
          3⤵
          • Program crash
          PID:3688
      • 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:3508
        • 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:2912
        • 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:1368
          • 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:4436
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\b89EKCix5Qgi.bat" "
            4⤵
              PID:5064
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4200
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3576
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3332
                    • 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:2268
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Irypw3jAxHnG.bat" "
                      6⤵
                        PID:1084
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4472
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3912
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3520
                              • 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:2956
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 1984
                            6⤵
                            • Program crash
                            PID:668
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 1976
                        4⤵
                        • Program crash
                        PID:2460
                  • C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.exe
                    "C:\Users\Admin\AppData\Local\Temp\dttcodexgigas.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1724
                  • 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:3656
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4840 -ip 4840
                  1⤵
                    PID:2728
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4772
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:2044
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:116
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 520
                              3⤵
                              • Program crash
                              PID:2956
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:1856
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4852
                              • 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:4492
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2044 -ip 2044
                              1⤵
                                PID:4176
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1368 -ip 1368
                                1⤵
                                  PID:2036
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3332 -ip 3332
                                  1⤵
                                    PID:3864
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2408
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1028
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:436
                                        • C:\Windows\system32\sihost.exe
                                          sihost.exe
                                          1⤵
                                            PID:1916
                                          • C:\Windows\system32\sihost.exe
                                            sihost.exe
                                            1⤵
                                              PID:4820
                                              • C:\Windows\explorer.exe
                                                explorer.exe /LOADSAVEDWINDOWS
                                                2⤵
                                                  PID:652

                                              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\Irypw3jAxHnG.bat

                                                Filesize

                                                208B

                                                MD5

                                                40229f1481ba5fd745aec48ac5f0abd4

                                                SHA1

                                                749b4c7f6f43c852619d3c3e3e8a4e67b85b5b67

                                                SHA256

                                                d87a333344e675e864da3a183e7d5ed69d33b6c0ecc227c12d7a3be743f9c638

                                                SHA512

                                                18a5ae65050f7c8b6f9c669c666ef06f4a78d925e1364afc873ffad2524c9bb874f218832449f24a9096207b653360609b3337347fdb8db8f376c7776cb4edc4

                                              • C:\Users\Admin\AppData\Local\Temp\b89EKCix5Qgi.bat

                                                Filesize

                                                208B

                                                MD5

                                                f629454dc1829ca8697479505b646f2b

                                                SHA1

                                                4f2fe6b2553276041ed20c98961564e211cada87

                                                SHA256

                                                318f9de7f1d80bf8031d6141a15f4cb8ed7e2f2d27c2e6556dbbb9d48d4e04a6

                                                SHA512

                                                766f6e99ca156dc2a1f059f90607a4d9028728d2e15a5a46528407b93734a5e7d623e564571dc76a59c11f6ad4511e4529b6a07ac2b765ea4644331a8965f5ec

                                              • 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\09-17-2024

                                                Filesize

                                                224B

                                                MD5

                                                30c3e1bbabb7d658a17e1faf8ce8fa6e

                                                SHA1

                                                692c2be0dce0cd9f97e3ea6f3e79963f42f8183a

                                                SHA256

                                                b0e123d05e1b475446d741368947375d1923d93f364b9dfe254786fa30dc9c47

                                                SHA512

                                                50c24d781eb207790b863d4101556d675d7c539819f0142827740c14f1e53461e1312d926a8d76a2775292d7564dea867b5a9fdbaa532b8e3e111d7156fa13f5

                                              • C:\Users\Admin\AppData\Roaming\Logs\09-17-2024

                                                Filesize

                                                224B

                                                MD5

                                                0fcd4a344aca717b7e3d6344c1d6842d

                                                SHA1

                                                527539c24f3b53f7c91aedff5cf50e22a709d88d

                                                SHA256

                                                0e51e879acfca10df598660780e17f13571f4f37df730b9e0b290ac887516691

                                                SHA512

                                                a8abcc718439ce6b2f59fc66394611e3f83c0c0c2d5a7b5b53eac182e2e5ab5e306cbbce0d7d9be9cca27d16b7f9d764431411b144e826c98fd6122948906087

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

                                                Filesize

                                                2.0MB

                                                MD5

                                                3e4f52684878a078ddf41d2e29381c0c

                                                SHA1

                                                792226557e1d34e1a8243e7fc680f3c8fabbdfd0

                                                SHA256

                                                16715de6dac28d7abd26cbdced4577137af69d466f8ffdf3eba2b94412f811bb

                                                SHA512

                                                6347c28fceb597dedd3bd26c0da2daa0e85204d98cd4c75ea4663dac40c40b63132778c0ebe6eb49975cb2a367e87c2fe07538855f8fd689d01c89bc8b67795a

                                              • memory/436-90-0x00007FF8FA050000-0x00007FF8FA0EB000-memory.dmp

                                                Filesize

                                                620KB

                                              • memory/652-91-0x0000000004990000-0x0000000004991000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1368-45-0x0000000006E70000-0x0000000006E7A000-memory.dmp

                                                Filesize

                                                40KB

                                              • memory/1724-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                                Filesize

                                                128KB

                                              • memory/1724-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                                Filesize

                                                128KB

                                              • memory/3508-37-0x0000000005E70000-0x0000000005EAC000-memory.dmp

                                                Filesize

                                                240KB

                                              • memory/3508-36-0x0000000005930000-0x0000000005942000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/3508-35-0x0000000004C10000-0x0000000004C76000-memory.dmp

                                                Filesize

                                                408KB

                                              • memory/3508-34-0x0000000004C90000-0x0000000004D22000-memory.dmp

                                                Filesize

                                                584KB

                                              • memory/3508-33-0x0000000005240000-0x00000000057E4000-memory.dmp

                                                Filesize

                                                5.6MB

                                              • memory/3508-30-0x00000000001C0000-0x000000000021E000-memory.dmp

                                                Filesize

                                                376KB

                                              • memory/3508-29-0x000000007343E000-0x000000007343F000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/4784-19-0x00000000046A0000-0x00000000046A1000-memory.dmp

                                                Filesize

                                                4KB