Analysis

  • max time kernel
    5s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 02:12

General

  • Target

    687df8269f6a6a8db774bab4bce647073864596b8c7aae732e526288c311dcf6N.exe

  • Size

    2.0MB

  • MD5

    a4504087e06b2f49a8e592a56d73dec0

  • SHA1

    44067d32bc19f995db78577a1f2253e128ed9d0e

  • SHA256

    687df8269f6a6a8db774bab4bce647073864596b8c7aae732e526288c311dcf6

  • SHA512

    6c6ac7b3d8035b93d683c1a7976084ac800563caebd13a638d61bf8f51035d2cd5d7a03548f1d72bab633f558581dbf1f9390220e940750ec4ef0607ae9c797b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY5:2u0c++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 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\687df8269f6a6a8db774bab4bce647073864596b8c7aae732e526288c311dcf6N.exe
    "C:\Users\Admin\AppData\Local\Temp\687df8269f6a6a8db774bab4bce647073864596b8c7aae732e526288c311dcf6N.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:676
    • 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:2852
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4860
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 548
          3⤵
          • Program crash
          PID:3560
      • 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:4448
        • 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:2208
        • 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:3756
          • 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:3952
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\rLnpvtvDgXc5.bat" "
            4⤵
              PID:1944
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2784
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2812
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1384
                    • 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:2884
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6wdcU8b4Zp4U.bat" "
                      6⤵
                        PID:4456
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2936
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2052
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1568
                              • 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:2784
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 2220
                            6⤵
                            • Program crash
                            PID:4500
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 1992
                        4⤵
                        • Program crash
                        PID:4488
                  • C:\Users\Admin\AppData\Local\Temp\687df8269f6a6a8db774bab4bce647073864596b8c7aae732e526288c311dcf6N.exe
                    "C:\Users\Admin\AppData\Local\Temp\687df8269f6a6a8db774bab4bce647073864596b8c7aae732e526288c311dcf6N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2960
                  • 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:2580
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2852 -ip 2852
                  1⤵
                    PID:4180
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3756 -ip 3756
                    1⤵
                      PID:5108
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:468
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3984
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4948
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 520
                                3⤵
                                • Program crash
                                PID:3580
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:1252
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2468
                                • 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:1460
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3984 -ip 3984
                                1⤵
                                  PID:2924
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 1384 -ip 1384
                                  1⤵
                                    PID:4868
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:2388
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1256

                                      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\6wdcU8b4Zp4U.bat

                                        Filesize

                                        208B

                                        MD5

                                        298eb7f6cce24254f64eb6eccd776535

                                        SHA1

                                        19979d5edf9143e81883e588c4945f4b67f47ffe

                                        SHA256

                                        ba8d879c5b28bc3b63a44043f698fa8eb06a8a42cb87172b06d2b49e60e2cd63

                                        SHA512

                                        83ba0b15eab3f5a091a8b232d9e42b9be1b3080c17fb734dc6fbdab0380337bb9b42419a8ef24aeecf427500a514473e785603636c2b2063ced0cd9d43e7b5ae

                                      • C:\Users\Admin\AppData\Local\Temp\rLnpvtvDgXc5.bat

                                        Filesize

                                        208B

                                        MD5

                                        99d8d4f68211299e0f55a73f31a4f5c0

                                        SHA1

                                        dbfa26fdb172d6852008a2f85fa477a3d5ca0fdf

                                        SHA256

                                        79e6cbebed699b4e80c9245da964876fff4769c01bb4ff47d52bd38e53a18813

                                        SHA512

                                        6f1a5a29dad62e0452ca406267f884f46471aab835ac1062e797205ff49f7ec4f293983802fb1e24aff7383966019b23aa9e0b7776c38f148d1aaae9584af690

                                      • 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\12-31-2024

                                        Filesize

                                        224B

                                        MD5

                                        f46b8d9dc93196289c8ff282b05eb586

                                        SHA1

                                        91901cb313a01866bcebedf522789fe6517fc03b

                                        SHA256

                                        28e71946a90b11f153fb6fd5080a1de2fecf5051b0ab03ed613492a166a1f156

                                        SHA512

                                        c766a0cd7f0e57bd3011254d24f7d705a558017d90a455181eb033926d539f393d58bf01ed1888348181d43852a84e88a274b72e8a90c8e15e9e30d897020362

                                      • C:\Users\Admin\AppData\Roaming\Logs\12-31-2024

                                        Filesize

                                        224B

                                        MD5

                                        0a249e586c5f6499bdb97ab19dc6bb3f

                                        SHA1

                                        23173aba911cb89f524e88995a50e83275e2cc17

                                        SHA256

                                        784eb2ff243bbba5d50226b935e47e02854068f56b2a37378d78fdc6fd95d0b2

                                        SHA512

                                        38df1eecbaed36685277b59e242488dc30bb77abff8c692045cf03077c25b29a1ab89da9371cbf54bc19b0a6a14cf058230c7eeaacfbe1c16da6cc2521675a6f

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        23a032914b0743efc103267c1a0854a8

                                        SHA1

                                        6f20aee49591364ab2cc310ce4fe068118d2fada

                                        SHA256

                                        b834033d55f0bd2f424d7a97141d97c9e1e9008cbb5683d2450d9f997411c0e1

                                        SHA512

                                        5633f6fa8771b3a1404bab5ee0dca433a23d86f0cd62685ba54f35ea0e45848ceccfdd11a89fecf3cd75e660931dc3b422ed16e35028fa8a6e9216f0ec07b151

                                      • memory/676-20-0x00000000041E0000-0x00000000041E1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2468-74-0x0000000000800000-0x0000000000820000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2468-80-0x0000000000800000-0x0000000000820000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2960-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2960-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3756-45-0x0000000006460000-0x000000000646A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4448-19-0x00000000735BE000-0x00000000735BF000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4448-37-0x00000000062D0000-0x000000000630C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4448-36-0x0000000005D90000-0x0000000005DA2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4448-35-0x0000000005060000-0x00000000050C6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4448-34-0x0000000005110000-0x00000000051A2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4448-33-0x00000000056C0000-0x0000000005C64000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4448-30-0x0000000000610000-0x000000000066E000-memory.dmp

                                        Filesize

                                        376KB