Analysis

  • max time kernel
    4s
  • max time network
    82s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-08-2024 12:21

General

  • Target

    5d724948463d002a09e94a8f4564d210N.exe

  • Size

    2.0MB

  • MD5

    5d724948463d002a09e94a8f4564d210

  • SHA1

    6170a04a2da21e89feb1ab24c966905e39c8b4b8

  • SHA256

    da20cf60bb04e3834e01f52d4b906d9664b629da1e73e0d523ce1a32e21742ac

  • SHA512

    6ea879fcea62126f1a782162b127f5bc4cac554517a926fa18ea90de3eab7eb82e0d4959b2107337f06441b023b2e04ff7e8f0f333f9cbbd29d5e6d06ea50e50

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

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 2 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 5 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 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d724948463d002a09e94a8f4564d210N.exe
    "C:\Users\Admin\AppData\Local\Temp\5d724948463d002a09e94a8f4564d210N.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:1508
    • 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:4460
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2272
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 552
          3⤵
          • Program crash
          PID:3444
      • 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
        PID:1880
        • 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⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3276
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
            PID:4984
            • 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⤵
              • Scheduled Task/Job: Scheduled Task
              PID:4776
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\t0wfXl1IGdO0.bat" "
              4⤵
                PID:4684
                • C:\Windows\SysWOW64\chcp.com
                  chcp 65001
                  5⤵
                    PID:4824
                  • C:\Windows\SysWOW64\PING.EXE
                    ping -n 10 localhost
                    5⤵
                    • System Network Configuration Discovery: Internet Connection Discovery
                    • Runs ping.exe
                    PID:3884
                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                    5⤵
                      PID:1572
                      • 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:1852
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Sj4YfZuK0x5Q.bat" "
                        6⤵
                          PID:1076
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            7⤵
                              PID:2032
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              7⤵
                              • System Network Configuration Discovery: Internet Connection Discovery
                              • Runs ping.exe
                              PID:1232
                            • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                              "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                              7⤵
                                PID:1848
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1572 -s 2232
                              6⤵
                              • Program crash
                              PID:3024
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 2252
                          4⤵
                          • Program crash
                          PID:4372
                    • C:\Users\Admin\AppData\Local\Temp\5d724948463d002a09e94a8f4564d210N.exe
                      "C:\Users\Admin\AppData\Local\Temp\5d724948463d002a09e94a8f4564d210N.exe"
                      2⤵
                      • System Location Discovery: System Language Discovery
                      PID:2416
                    • 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:2592
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4460 -ip 4460
                    1⤵
                      PID:4372
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4984 -ip 4984
                      1⤵
                        PID:404
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        1⤵
                          PID:960
                          • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                            "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                            2⤵
                              PID:2976
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k
                                3⤵
                                  PID:4328
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 2976 -s 520
                                  3⤵
                                  • Program crash
                                  PID:636
                              • C:\Users\Admin\AppData\Local\Temp\windef.exe
                                "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                                2⤵
                                  PID:3568
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:1960
                                  • 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:3532
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2976 -ip 2976
                                  1⤵
                                    PID:3928
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1572 -ip 1572
                                    1⤵
                                      PID:1080
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:3716

                                      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\Sj4YfZuK0x5Q.bat

                                        Filesize

                                        208B

                                        MD5

                                        bf84210d511562a7197c7a1eb03d3f38

                                        SHA1

                                        d923f1242fdeb2a054eaf5c1dce474093bb199f3

                                        SHA256

                                        7b113550487f12b9e8cf2d42b997a616467021654f21e17722426daa6d3168ae

                                        SHA512

                                        da92d3f0a0ed2de417bf77e98747beed002a675f4fdc12bd0cf6239d5c6a069ef361ae7dc67786614e9ee3d4283d3d27703f32fb0309f1c3163513d2da96384f

                                      • C:\Users\Admin\AppData\Local\Temp\t0wfXl1IGdO0.bat

                                        Filesize

                                        208B

                                        MD5

                                        a8d83521705f9f2587f62f45c210b51a

                                        SHA1

                                        0806d9d077bd5c30ad5d32f73bff3d8e10c573ac

                                        SHA256

                                        5797410b0208a3f8ae6bf2d893cf762ba5b79596ba9a44e13a1f8e8bf55599b7

                                        SHA512

                                        7b002ef58b3b3a6fda034c298d840d5f17a5195823bd8ae257c34df5ad45ab583dcb94a73f045b06f4f0b4f257d486ff1285d342026bad4b3cc6550550223140

                                      • 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\08-14-2024

                                        Filesize

                                        224B

                                        MD5

                                        a6b9c39387999d38186c6061a9a28a21

                                        SHA1

                                        80a9b0334d3748aa6c2722d7e0d8cdda485f3fac

                                        SHA256

                                        f468456caf47df7986a98ae1a27e5a9997ee819c3bf9b784536bab01069b5558

                                        SHA512

                                        ec3b1a9552f8297ef8cd94ca86c41452d2fc03c4d8d7d870dfe0859cad8bcf392cfe0751853fb72ebb7bbd598676014428041f4cb7aec111df57e3e67ef4cf9e

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        53c594cb1a92ee40fa89555a9cf62bf5

                                        SHA1

                                        91052b8b253eeb726259a4d69f88ca043299fd00

                                        SHA256

                                        e43d51a34ad452e3c5123a6350d8ca6671c6ca352d93de0d9051cf2d7fcf7155

                                        SHA512

                                        48adbffa0d6f179453eb4a5136cfa82d32c266b6f461da4aa96f1a90b413d61115426984fa04a1ae10efd9a8961472f8ad8ed79b838186ef0e560f1c4cf23db9

                                      • memory/1508-45-0x0000000001150000-0x0000000001151000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1508-28-0x0000000001150000-0x0000000001151000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1880-31-0x00000000003C0000-0x000000000041E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/1880-36-0x0000000006080000-0x00000000060BC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/1880-35-0x0000000005380000-0x0000000005392000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1880-34-0x0000000004EE0000-0x0000000004F46000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/1880-33-0x0000000004E40000-0x0000000004ED2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/1880-32-0x00000000053F0000-0x0000000005994000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/1960-74-0x0000000000550000-0x0000000000570000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1960-80-0x0000000000550000-0x0000000000570000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2416-18-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2416-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4984-44-0x00000000067F0000-0x00000000067FA000-memory.dmp

                                        Filesize

                                        40KB