Analysis

  • max time kernel
    4s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 00:26

General

  • Target

    dfa9214927989e835743a846c2e388e4803ca7683253feb209f8a08e82131308N.exe

  • Size

    2.0MB

  • MD5

    0291b29d2b731393b223b6e785555e00

  • SHA1

    c7756020a77bb3369e9eae9a55d4db396509299b

  • SHA256

    dfa9214927989e835743a846c2e388e4803ca7683253feb209f8a08e82131308

  • SHA512

    c6bad54c86bf600d2814f78a6fbca048b77a8cb740a124468aa13a3b86a5fe2409523178b0473b20bd9cfd2d767ca64c09e49345351703b5c6fcccc2ff3dd716

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY9:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yf

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 4 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 2 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\dfa9214927989e835743a846c2e388e4803ca7683253feb209f8a08e82131308N.exe
    "C:\Users\Admin\AppData\Local\Temp\dfa9214927989e835743a846c2e388e4803ca7683253feb209f8a08e82131308N.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:2680
    • 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:4920
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4656
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 548
          3⤵
          • Program crash
          PID:4012
      • 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:3372
        • 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:4000
        • 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:4300
          • 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:1124
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MjKnI18yOOAV.bat" "
            4⤵
              PID:888
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3160
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2572
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4216
                    • 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:2140
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Rk9ttiSWG5bh.bat" "
                      6⤵
                        PID:1692
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1572
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2156
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1516
                              • 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:2840
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 2240
                            6⤵
                            • Program crash
                            PID:3616
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 1976
                        4⤵
                        • Program crash
                        PID:3636
                  • C:\Users\Admin\AppData\Local\Temp\dfa9214927989e835743a846c2e388e4803ca7683253feb209f8a08e82131308N.exe
                    "C:\Users\Admin\AppData\Local\Temp\dfa9214927989e835743a846c2e388e4803ca7683253feb209f8a08e82131308N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:64
                  • 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:348
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4920 -ip 4920
                  1⤵
                    PID:4952
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:4948
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:1132
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4716
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1132 -s 520
                              3⤵
                              • Program crash
                              PID:2688
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:4800
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4828
                              • 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:4420
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1132 -ip 1132
                              1⤵
                                PID:2840
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4300 -ip 4300
                                1⤵
                                  PID:3688
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4216 -ip 4216
                                  1⤵
                                    PID:4192

                                  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\MjKnI18yOOAV.bat

                                    Filesize

                                    208B

                                    MD5

                                    d6c4d676347a61cf44383dfff1b81370

                                    SHA1

                                    1315b2cbea6f57c9344084f2dae35e4ca88b007a

                                    SHA256

                                    75b00c56d8e9c58722745be44b5e0078c0fd94671cb37cb725df20e8c7894c0f

                                    SHA512

                                    f380124524a38d2a97343b380658d1a6c25056a4463c69a3d0612b56dbfd487992e6ebcd47ce3ccec0c661e54a2d91a76e0b51ec2c62a5dd4d106ca679fe0d56

                                  • C:\Users\Admin\AppData\Local\Temp\Rk9ttiSWG5bh.bat

                                    Filesize

                                    208B

                                    MD5

                                    1e8e88fe0c2145bad195fc9982d2fe83

                                    SHA1

                                    099fc5d32dc91090271c2e6f072b4e4492bf4c4a

                                    SHA256

                                    5b0f128c583a6f5d27e7faef2174a0f8f1b34f3a926c6c39eeb38ba39cd12bed

                                    SHA512

                                    caf3634cc3dade1759e1cac78ce70df6fe024ce087724b70b6b11183f617fc6be8cf1bfa9c8e1730bd40e0898d46e87f3e912eb47cd22ee56457a39e223998ed

                                  • 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\12-04-2024

                                    Filesize

                                    224B

                                    MD5

                                    f82fb7a7459f5bb2d8a00bf7a21884be

                                    SHA1

                                    a1c4c73ba97ad52236fffd492fa9a0c4600ba6cf

                                    SHA256

                                    6471ab54e3f1d03be03598196b125f9fa3f535c7f599c0cd0afde06b21250c40

                                    SHA512

                                    8b9c06dab318ac2340bc23d05c189651c65dc8ccfb225559dfe14819f6568796362b6edf1677049bd2e1081062e02c2908329054cd0e8c158903fef1ba2b94e1

                                  • C:\Users\Admin\AppData\Roaming\Logs\12-04-2024

                                    Filesize

                                    224B

                                    MD5

                                    acb6738bb04e82ba3a707100f65d9a08

                                    SHA1

                                    6918fb85574e368c9fe12490f34fec8f4bc91700

                                    SHA256

                                    60d4bb529686545475ab15c4e07dd90f3f20542340a66981b074d66c13090d10

                                    SHA512

                                    a7b140b5ba45a8d4edc09e9b4c139f36beb35447bbe1d4fed720831fcdd76b20126dc4f6512848aaee71f19ea759dcea311e9f7e4ca7f43c77de55a9b2f1b130

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    4a3b00830e745939ac7808c0e194aff5

                                    SHA1

                                    ed7cf36fc0f45dbdd8ac6071545ac0964fb5a111

                                    SHA256

                                    04517094876820ef6e3e4ef61caabe1532a43c0c3014dd2025551124f394c500

                                    SHA512

                                    5fea0ab83b43e7bca197185761e8e8ab3c8941c13bfdf57cb5878f69ef8bde90166c1cd1e28840b067cabcbc160caeabde4c7f71bfbaeb6d18283f331799eb45

                                  • memory/64-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/64-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2680-20-0x0000000003EB0000-0x0000000003EB1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2680-88-0x0000000000FE0000-0x00000000011EA000-memory.dmp

                                    Filesize

                                    2.0MB

                                  • memory/3372-19-0x0000000072BDE000-0x0000000072BDF000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3372-37-0x0000000006640000-0x000000000667C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/3372-36-0x0000000006100000-0x0000000006112000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3372-35-0x00000000053A0000-0x0000000005406000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/3372-34-0x00000000052F0000-0x0000000005382000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/3372-33-0x00000000057F0000-0x0000000005D94000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/3372-30-0x00000000009C0000-0x0000000000A1E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/4300-45-0x0000000006700000-0x000000000670A000-memory.dmp

                                    Filesize

                                    40KB