Analysis

  • max time kernel
    4s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 10:22

General

  • Target

    29678abb9e2bdd0f1c68453413a32e5498541ccb3a5335794df70076aa8c0bf5N.exe

  • Size

    2.0MB

  • MD5

    f66c44d5c01660f38193a4a7c482a580

  • SHA1

    aecb6d2a32208efc945bc304e39ec9c4b10265d3

  • SHA256

    29678abb9e2bdd0f1c68453413a32e5498541ccb3a5335794df70076aa8c0bf5

  • SHA512

    a04aba7650eb0487c64792ba960b0194b403b8412233c72ffa0161ca87cdc8f641d078bbff8d6a0b70d5f214664ace003b9d331eeb755cd88cdf76dc04d3c062

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yj

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.

  • Azorult family
  • Quasar RAT

    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 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 3 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29678abb9e2bdd0f1c68453413a32e5498541ccb3a5335794df70076aa8c0bf5N.exe
    "C:\Users\Admin\AppData\Local\Temp\29678abb9e2bdd0f1c68453413a32e5498541ccb3a5335794df70076aa8c0bf5N.exe"
    1⤵
    • 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:4676
    • 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:2800
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 548
          3⤵
          • Program crash
          PID:4360
      • 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:4316
        • 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:4480
        • 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:4540
          • 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:3868
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ENEMJZlVjPul.bat" "
            4⤵
              PID:4784
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4296
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3184
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3172
                    • 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:4692
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 2252
                  4⤵
                  • Program crash
                  PID:4416
            • C:\Users\Admin\AppData\Local\Temp\29678abb9e2bdd0f1c68453413a32e5498541ccb3a5335794df70076aa8c0bf5N.exe
              "C:\Users\Admin\AppData\Local\Temp\29678abb9e2bdd0f1c68453413a32e5498541ccb3a5335794df70076aa8c0bf5N.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3428
            • 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:4796
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2800 -ip 2800
            1⤵
              PID:4872
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4540 -ip 4540
              1⤵
                PID:1720
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:3620
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:3520
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:1920
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 520
                          3⤵
                          • Program crash
                          PID:3168
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:4980
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          2⤵
                            PID:4136
                          • 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:4500
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3520 -ip 3520
                          1⤵
                            PID:2388
                          • C:\Windows\system32\sihost.exe
                            sihost.exe
                            1⤵
                              PID:3544
                              • C:\Windows\explorer.exe
                                explorer.exe /LOADSAVEDWINDOWS
                                2⤵
                                  PID:3060
                              • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                1⤵
                                  PID:2300
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:3296

                                  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\ENEMJZlVjPul.bat

                                    Filesize

                                    208B

                                    MD5

                                    dbb93e4fa30841e5c2ba1bee4d160f33

                                    SHA1

                                    d79cc11e7ebd16bd4d972ef73c3580a971760489

                                    SHA256

                                    d7c7c0c871eb199d6d3e8b9e0520ac7fb52f9c934e8c2caf9bce1e00a58b7ec9

                                    SHA512

                                    c69e3f46aa0b005233f37496e10d37b5de397107e07ff454947bb79693387456f4e328b72dc1eb013130bccd981f6222c162496627ee059e1951f65536d73c7d

                                  • 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\12-17-2024

                                    Filesize

                                    224B

                                    MD5

                                    87edaa086905835015891d56fd3d087b

                                    SHA1

                                    8044f02fafefbe2b8f8f974ad65dded275806deb

                                    SHA256

                                    7e52d84caf49f15e9d492207f423781bfccb1008c20bbac3d70210008423a7d0

                                    SHA512

                                    00ec7622c265906acf0947755f6a2a2a9817d61a94e8fceb0cda4df310b706412425107d88bc04721f3593331ca15c00dc2ebd407f181eb596e92a6d9ef1d0e1

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    8a8af3fe77a9fc4ff781f0cad76584bc

                                    SHA1

                                    49fca71128c17fa4b90d7c6c9731e7454f6ba9e5

                                    SHA256

                                    44256b2cd813a93d345b056a8c39678c76f057dfee28c3f27aa2768f52487ff0

                                    SHA512

                                    5303a04bc17985eaa35dcc9b1594a6fd95bd2f57c4a787ff59c6170f0d735a37eac668ea6666183d7861515d422518ec126957c4fc17d6b47a12f2e9204a1091

                                  • memory/3428-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3428-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4136-82-0x0000000000A50000-0x0000000000A70000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4136-76-0x0000000000A50000-0x0000000000A70000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4316-32-0x0000000000BD0000-0x0000000000C2E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/4316-37-0x0000000006840000-0x000000000687C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/4316-44-0x00007FF8EE890000-0x00007FF8EEA85000-memory.dmp

                                    Filesize

                                    2.0MB

                                  • memory/4316-36-0x0000000006300000-0x0000000006312000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4316-35-0x0000000005620000-0x0000000005686000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/4316-34-0x0000000005580000-0x0000000005612000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/4316-33-0x0000000005A90000-0x0000000006034000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/4316-29-0x00007FF8EE890000-0x00007FF8EEA85000-memory.dmp

                                    Filesize

                                    2.0MB

                                  • memory/4540-46-0x0000000006380000-0x000000000638A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/4676-47-0x00007FF8EE890000-0x00007FF8EEA85000-memory.dmp

                                    Filesize

                                    2.0MB

                                  • memory/4676-26-0x00007FF8EE890000-0x00007FF8EEA85000-memory.dmp

                                    Filesize

                                    2.0MB