Analysis

  • max time kernel
    5s
  • max time network
    63s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 06:14

General

  • Target

    eb10c96b822b81d34a8a77d90a51bddd979aa523ffb3341db0a7dc994962a45a.exe

  • Size

    2.0MB

  • MD5

    69003ba68d7d7abaf79115ad848a81cf

  • SHA1

    be14d301e8b490fa40171769f169b5eed1ae15b4

  • SHA256

    eb10c96b822b81d34a8a77d90a51bddd979aa523ffb3341db0a7dc994962a45a

  • SHA512

    d5e982ddbd795f4909327ee1189ac96590a57491fc53cc52d28f84e647cb67ce0c4fc37df04b2e97140240505753d3ff0ed4bf1a3dc8884302ad6741c824f7b9

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yk

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

    Quasar is an open source Remote Access Tool.

  • Quasar payload 3 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 3 IoCs
  • Detects executables containing common artifacts observed in infostealers 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
  • Creates scheduled task(s) 1 TTPs 6 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • 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\eb10c96b822b81d34a8a77d90a51bddd979aa523ffb3341db0a7dc994962a45a.exe
    "C:\Users\Admin\AppData\Local\Temp\eb10c96b822b81d34a8a77d90a51bddd979aa523ffb3341db0a7dc994962a45a.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1568
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 556
          3⤵
          • Program crash
          PID:3788
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4764
        • 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⤵
          • Creates scheduled task(s)
          PID:4564
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:932
          • 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⤵
            • Creates scheduled task(s)
            PID:1268
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5a3x44poJRxz.bat" "
            4⤵
              PID:3652
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4180
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:2224
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:812
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 932 -s 1968
                  4⤵
                  • Program crash
                  PID:3560
            • C:\Users\Admin\AppData\Local\Temp\eb10c96b822b81d34a8a77d90a51bddd979aa523ffb3341db0a7dc994962a45a.exe
              "C:\Users\Admin\AppData\Local\Temp\eb10c96b822b81d34a8a77d90a51bddd979aa523ffb3341db0a7dc994962a45a.exe"
              2⤵
                PID:956
              • 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⤵
                • Creates scheduled task(s)
                PID:2036
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2064 -ip 2064
              1⤵
                PID:3496
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 932 -ip 932
                1⤵
                  PID:1680
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:4512
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:4104
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:4760
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 520
                            3⤵
                            • Program crash
                            PID:3208
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:3096
                            • 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⤵
                              • Creates scheduled task(s)
                              PID:4876
                            • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                              "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                              3⤵
                                PID:4704
                                • 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⤵
                                  • Creates scheduled task(s)
                                  PID:1476
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:1988
                              • 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⤵
                                • Creates scheduled task(s)
                                PID:3716
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4104 -ip 4104
                              1⤵
                                PID:2732
                              • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                1⤵
                                  PID:4040
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:556

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  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\5a3x44poJRxz.bat

                                    Filesize

                                    208B

                                    MD5

                                    95ac7b06a9a4af1fdcc517abc5e842af

                                    SHA1

                                    53347edc63e351fc5f2bda41509a5f3ef377ef03

                                    SHA256

                                    d00cec2aeeedf2e1e666b5a813b464381396e7f7cd1f59f9129f7edc65b623f2

                                    SHA512

                                    f2e05aa717422a950d219f9eb8fd01e45d53b682732374d13cd5bf39e79ffad07a8264524abf7c893f75fe92d674e182c85007323405ad4710eae391db5efcbc

                                  • 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\06-12-2024

                                    Filesize

                                    224B

                                    MD5

                                    fd6c5a49e7eb2a533ebe599e2bc0a13a

                                    SHA1

                                    eb7a66a9d85000a0be338ea10a1fe89fceff417d

                                    SHA256

                                    f3c572ca25477f066261827a7d7e2fcf1931622c15cd7bc72dca5160c19db8da

                                    SHA512

                                    e1597ffbfcb8b566911a9b2e46ee2cc276ce8f30db3bff3f162ef05611389a4d9c4f6abd663bf03222f0d01129a1142affc6d1b081ae0163b0c240c3a169d915

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    14179b28780fda32b7316750213806a8

                                    SHA1

                                    3c436a1bd50a604e99d0a1a581f80d5989d44349

                                    SHA256

                                    8fcb66b4870baba53e221a84b4793dfb4b20c3035a1c0381df94349dab3b7705

                                    SHA512

                                    f66150e8b1b5d1b8481f2df3dd0772ff4ccef569913f2de235c204db19a3e978492bd9f5860e4ebcabd58a985e53a62f9f653b7671630c5d71e4220ea63f2511

                                  • memory/932-45-0x0000000006E40000-0x0000000006E4A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/956-19-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/956-27-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1988-78-0x0000000000840000-0x0000000000860000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1988-72-0x0000000000840000-0x0000000000860000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4500-28-0x0000000004820000-0x0000000004821000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4500-46-0x0000000004820000-0x0000000004821000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4500-90-0x00000000751A0000-0x00000000751AF000-memory.dmp

                                    Filesize

                                    60KB

                                  • memory/4500-92-0x0000000073E70000-0x0000000073E81000-memory.dmp

                                    Filesize

                                    68KB

                                  • memory/4500-88-0x0000000075710000-0x0000000075920000-memory.dmp

                                    Filesize

                                    2.1MB

                                  • memory/4512-93-0x0000000076140000-0x0000000076223000-memory.dmp

                                    Filesize

                                    908KB

                                  • memory/4764-35-0x0000000005840000-0x00000000058A6000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/4764-34-0x00000000058F0000-0x0000000005982000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/4764-33-0x0000000005EA0000-0x0000000006444000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/4764-30-0x0000000000F30000-0x0000000000F8E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/4764-37-0x0000000006AD0000-0x0000000006B0C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/4764-29-0x00000000735CE000-0x00000000735CF000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4764-36-0x0000000006590000-0x00000000065A2000-memory.dmp

                                    Filesize

                                    72KB