Analysis

  • max time kernel
    6s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2024 23:01

General

  • Target

    7aff412719cdd400cbb77330c952a06f131e8e347d2cd7d2f40904c289174bd8.exe

  • Size

    2.0MB

  • MD5

    d7ba36d0908f401b6b584a38189b2592

  • SHA1

    f822ef313a0b6cfbd570d594ae363192bd35f585

  • SHA256

    7aff412719cdd400cbb77330c952a06f131e8e347d2cd7d2f40904c289174bd8

  • SHA512

    1bf5e51fa844ec602186e819e8e0ed102edaa85a7fbcc96de941af1b951a7347a980a9a1b008400a3d5d90c2a9b2f26b3e8039888a130c46da4ffaf5e50a0f6d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY5:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yz

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 3 IoCs

    Quasar is an open source Remote Access Tool.

  • 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 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\7aff412719cdd400cbb77330c952a06f131e8e347d2cd7d2f40904c289174bd8.exe
    "C:\Users\Admin\AppData\Local\Temp\7aff412719cdd400cbb77330c952a06f131e8e347d2cd7d2f40904c289174bd8.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:4488
    • 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:4772
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4772 -s 556
          3⤵
          • Program crash
          PID:4936
      • 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:3676
        • 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:4860
        • 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:4116
          • 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:4456
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ppEE8UvA7pJN.bat" "
            4⤵
              PID:3576
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:380
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3652
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4860
                    • 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:5052
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KzSncurMlISI.bat" "
                      6⤵
                        PID:1748
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2984
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:5012
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4444
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 1960
                            6⤵
                            • Program crash
                            PID:4484
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 2228
                        4⤵
                        • Program crash
                        PID:4820
                  • C:\Users\Admin\AppData\Local\Temp\7aff412719cdd400cbb77330c952a06f131e8e347d2cd7d2f40904c289174bd8.exe
                    "C:\Users\Admin\AppData\Local\Temp\7aff412719cdd400cbb77330c952a06f131e8e347d2cd7d2f40904c289174bd8.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2464
                  • 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:2644
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4772 -ip 4772
                  1⤵
                    PID:2748
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4116 -ip 4116
                    1⤵
                      PID:4428
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4084
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4632
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:1040
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4632 -s 520
                                3⤵
                                • Program crash
                                PID:3292
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4920
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4132
                                • 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:4028
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4632 -ip 4632
                                1⤵
                                  PID:1640
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4860 -ip 4860
                                  1⤵
                                    PID:4840
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1676
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:2948
                                      • C:\Windows\system32\dwm.exe
                                        "dwm.exe"
                                        1⤵
                                          PID:3484
                                        • C:\Windows\system32\dwm.exe
                                          "dwm.exe"
                                          1⤵
                                            PID:1960
                                          • C:\Windows\system32\dwm.exe
                                            "dwm.exe"
                                            1⤵
                                              PID:4044
                                            • C:\Windows\system32\dwm.exe
                                              "dwm.exe"
                                              1⤵
                                                PID:688
                                              • C:\Windows\system32\dwm.exe
                                                "dwm.exe"
                                                1⤵
                                                  PID:3620
                                                • C:\Windows\system32\dwm.exe
                                                  "dwm.exe"
                                                  1⤵
                                                    PID:3552

                                                  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\KzSncurMlISI.bat

                                                    Filesize

                                                    208B

                                                    MD5

                                                    3c3485d7d9b16aae7d714593ba42b865

                                                    SHA1

                                                    4f3d76a1ccb6cb07b40a1509d0389a227afd54b1

                                                    SHA256

                                                    cee3d64edf0998c8c8b63ce7a9248dbd3c1cc58ded852b4706bcf92016ab86e6

                                                    SHA512

                                                    71001d50cdac919b4af3a242dc395712545ffd7b39d531b5e7775f8b7d3d27823cc396f9e437dda472d765bfa2a5cda000f6e93742ecbc610a8954b7f33b842f

                                                  • C:\Users\Admin\AppData\Local\Temp\ppEE8UvA7pJN.bat

                                                    Filesize

                                                    208B

                                                    MD5

                                                    11253d479370f2fed15ae86656b32198

                                                    SHA1

                                                    a05d3c253e6115feffcbe1cca4b96ec8e2418719

                                                    SHA256

                                                    90631b8ac38d7fc3df6fc806d1405e78da30869e3ce7f50d8eac087dc9f82ba7

                                                    SHA512

                                                    eaf994f6dab39f5b3c58053847a9bdb4cd0f76d755f5118ddf5619600adbff1f7a649dd0b152a977e92e6a0c188e76403e9b61220c23cf84ce8835a8c88d8213

                                                  • 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\08-31-2024

                                                    Filesize

                                                    224B

                                                    MD5

                                                    6b59ecda06489b21f17753748fd8390d

                                                    SHA1

                                                    baaf58cead3f721d4b0abcaf33dbb129316a5a7d

                                                    SHA256

                                                    6d921663f6ca404c1dd9f6e05e5b4640252e60c9fd16df42bb1652697646b8fc

                                                    SHA512

                                                    5a372a1376bedebd77de2c8674c018a8ed353288fc3a88a999a554ad22863e18eb04d662b411ffd15dbdbc58ef2bd4faae90ef6c2470495c02070d0ffc4c4065

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

                                                    Filesize

                                                    2.0MB

                                                    MD5

                                                    618981e5b6d2cc36276de9c8a1f37608

                                                    SHA1

                                                    271c05bf7916eca0b72ed63e2bf78c33afde6ec1

                                                    SHA256

                                                    660e8dda4fe285faa25c152303910ed65de172fb3790d266095f49486867f3f2

                                                    SHA512

                                                    c2cdedd0f2e6d48292c32eb048e33c9354b219559b82026d6a5c97d04e3228e68268745ead34130608c378d5b07700ede9d672f2ba523fb15f807413c57a3947

                                                  • memory/2464-20-0x00000000007A0000-0x00000000007C0000-memory.dmp

                                                    Filesize

                                                    128KB

                                                  • memory/2464-28-0x00000000007A0000-0x00000000007C0000-memory.dmp

                                                    Filesize

                                                    128KB

                                                  • memory/3676-29-0x0000000072F6E000-0x0000000072F6F000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/3676-36-0x0000000005320000-0x0000000005332000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/3676-37-0x0000000006010000-0x000000000604C000-memory.dmp

                                                    Filesize

                                                    240KB

                                                  • memory/3676-35-0x0000000004EB0000-0x0000000004F16000-memory.dmp

                                                    Filesize

                                                    408KB

                                                  • memory/3676-34-0x0000000004E10000-0x0000000004EA2000-memory.dmp

                                                    Filesize

                                                    584KB

                                                  • memory/3676-33-0x00000000053C0000-0x0000000005964000-memory.dmp

                                                    Filesize

                                                    5.6MB

                                                  • memory/3676-32-0x00000000004A0000-0x00000000004FE000-memory.dmp

                                                    Filesize

                                                    376KB

                                                  • memory/4116-45-0x00000000069F0000-0x00000000069FA000-memory.dmp

                                                    Filesize

                                                    40KB

                                                  • memory/4132-72-0x0000000001400000-0x0000000001420000-memory.dmp

                                                    Filesize

                                                    128KB

                                                  • memory/4132-78-0x0000000001400000-0x0000000001420000-memory.dmp

                                                    Filesize

                                                    128KB

                                                  • memory/4488-19-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

                                                    Filesize

                                                    4KB