Analysis

  • max time kernel
    5s
  • 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
    04-12-2024 08:43

General

  • Target

    879d0933969ebecd830cf85fbe418786a93fd8beb38a82c975e296e01889297bN.exe

  • Size

    2.0MB

  • MD5

    ae0f35a212119e88e82a327d0cdee940

  • SHA1

    4d2896c05eb876bdf5a02d08becf6172f854ceb3

  • SHA256

    879d0933969ebecd830cf85fbe418786a93fd8beb38a82c975e296e01889297b

  • SHA512

    b8883c1ddcaae074371cb8a37db9ada76ebd1a18b1d414eddef220c19856fe42cf57ecfdf52bded1c5e2abd54176e96d3fe87aec220236c29cdb3ae67b550fdf

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYQ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y6

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

    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 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 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\879d0933969ebecd830cf85fbe418786a93fd8beb38a82c975e296e01889297bN.exe
    "C:\Users\Admin\AppData\Local\Temp\879d0933969ebecd830cf85fbe418786a93fd8beb38a82c975e296e01889297bN.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:3528
    • 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:1072
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3568
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 552
          3⤵
          • Program crash
          PID:3376
      • 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:4760
        • 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:3260
        • 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:2776
          • 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:3308
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YvaM3dzYIf8g.bat" "
            4⤵
              PID:3668
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3280
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3840
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2668
                    • 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:1088
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Nqw7rUHEp82l.bat" "
                      6⤵
                        PID:5052
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3432
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:728
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 2224
                          6⤵
                          • Program crash
                          PID:2216
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 1668
                      4⤵
                      • Program crash
                      PID:4836
                • C:\Users\Admin\AppData\Local\Temp\879d0933969ebecd830cf85fbe418786a93fd8beb38a82c975e296e01889297bN.exe
                  "C:\Users\Admin\AppData\Local\Temp\879d0933969ebecd830cf85fbe418786a93fd8beb38a82c975e296e01889297bN.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:2636
                • 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:2680
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1072 -ip 1072
                1⤵
                  PID:4404
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:3116
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:4932
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:612
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 520
                            3⤵
                            • Program crash
                            PID:1920
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:3624
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              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⤵
                              • Scheduled Task/Job: Scheduled Task
                              PID:1888
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4932 -ip 4932
                            1⤵
                              PID:3832
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2776 -ip 2776
                              1⤵
                                PID:3944
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2668 -ip 2668
                                1⤵
                                  PID:996
                                • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                  "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                  1⤵
                                    PID:4652
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3988

                                    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\Nqw7rUHEp82l.bat

                                      Filesize

                                      208B

                                      MD5

                                      dbbc1c45b618bf735c7aa201d8e53460

                                      SHA1

                                      e239f905bdfbce2647bd24df670407d99a5315f3

                                      SHA256

                                      b06361079e48ee5b3d37ac2e7240ef53ad63dbdd58d7a457b6597cbcaff592c5

                                      SHA512

                                      cfcd74faea3e5dd72a4b41d905a1d9a734ade0c5c94190cf3f973711d73cf3dcd024530a2ceb2fc15eb5b21a166228f113263a6770d52c3db9cf523ee9e02da1

                                    • C:\Users\Admin\AppData\Local\Temp\YvaM3dzYIf8g.bat

                                      Filesize

                                      208B

                                      MD5

                                      9ee852063eed31745d6c3648b736b0a3

                                      SHA1

                                      8bffe54267138a3dc4b09ba3fbd392d8f48da4b3

                                      SHA256

                                      b70909cde72e506f0cf4abacb6f9890031c928e2ddf3a58819a24970da4abfca

                                      SHA512

                                      51cb55682aace2bdf9a223adf40ea59b5da367834e5dcedf822db84bf5bc64f385710f4f60b28a132321141cf805c644c4aa0d5585d089d0448abb3e9df8c79b

                                    • 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

                                      68809d3f86a8a870199eccf1a83ec6c0

                                      SHA1

                                      e829f370e9d6ed99d11ab64915ab1e74c5b949f5

                                      SHA256

                                      eca4a6eac9a0deb39c80e5ae709f3d8933eb1ad87ae677dd2c676401ab63dd36

                                      SHA512

                                      fc23eaeb937d9c977352226b9714a6e72c00979393f3e5f3d26ed23360fadb40a288cac9b31249b7baacb3d7eb8b958535bacceb2ba1993ffeedf56f45fd7a7e

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      6452f0c87b199e9ffcea9a09e2fdf910

                                      SHA1

                                      e02be4ee25a59e9ef28e17b036562c320c9146ce

                                      SHA256

                                      188331bcd56ccf1623565d86301c0f679df3fa89b2b6dfe7007ed69686badc96

                                      SHA512

                                      d07feaa978f9a1845f0747667a9ae50c2fe02f4b1c9e4a26f262eb3c6a379787cdb37f2a558b6f44a54251ccaca9536836da478fbd5e76caa756dd44a3458d15

                                    • memory/2416-72-0x0000000000BB0000-0x0000000000BD0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2416-66-0x0000000000BB0000-0x0000000000BD0000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2636-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2636-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2776-44-0x0000000006770000-0x000000000677A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/3528-19-0x0000000003BF0000-0x0000000003BF1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4760-36-0x0000000006360000-0x000000000639C000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/4760-35-0x0000000005E20000-0x0000000005E32000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4760-34-0x00000000051C0000-0x0000000005226000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/4760-33-0x0000000005100000-0x0000000005192000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/4760-32-0x0000000005770000-0x0000000005D14000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/4760-29-0x00000000007E0000-0x000000000083E000-memory.dmp

                                      Filesize

                                      376KB