Analysis

  • max time kernel
    6s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-10-2024 21:39

General

  • Target

    4db20d9b541f0b15de1a74709ee8e112e9300fdb3a6d98767236fc1182232187.exe

  • Size

    2.0MB

  • MD5

    6e75eeb12145b819809863c62cca0b59

  • SHA1

    d106edf21f7921fd4a42695a93ff823fd3c666b2

  • SHA256

    4db20d9b541f0b15de1a74709ee8e112e9300fdb3a6d98767236fc1182232187

  • SHA512

    0770f18d7ed2f10c75f264499d28bf90a7cc7fe082c01131e5ae6c61275fe4b7ee300d454d013c3572509504a893da02a4906f78e6735dc94695459567d4cf5e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y8

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 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\4db20d9b541f0b15de1a74709ee8e112e9300fdb3a6d98767236fc1182232187.exe
    "C:\Users\Admin\AppData\Local\Temp\4db20d9b541f0b15de1a74709ee8e112e9300fdb3a6d98767236fc1182232187.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:3492
    • 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:3888
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3204
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 556
          3⤵
          • Program crash
          PID:3744
      • 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:2216
        • 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:1132
        • 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:4140
          • 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:1080
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sTWer2Oy3xdt.bat" "
            4⤵
              PID:3264
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4928
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3616
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1460
                    • 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:4572
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FYtK86bwMndW.bat" "
                      6⤵
                        PID:3952
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2820
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1488
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4552
                              • 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:1528
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1460 -s 2264
                            6⤵
                            • Program crash
                            PID:3620
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 1112
                        4⤵
                        • Program crash
                        PID:4328
                  • C:\Users\Admin\AppData\Local\Temp\4db20d9b541f0b15de1a74709ee8e112e9300fdb3a6d98767236fc1182232187.exe
                    "C:\Users\Admin\AppData\Local\Temp\4db20d9b541f0b15de1a74709ee8e112e9300fdb3a6d98767236fc1182232187.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1980
                  • 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:4824
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3888 -ip 3888
                  1⤵
                    PID:2148
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4140 -ip 4140
                    1⤵
                      PID:2180
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3120
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:232
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:5008
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 520
                                3⤵
                                • Program crash
                                PID:2420
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:3964
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2244
                                • 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:4940
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 232 -ip 232
                                1⤵
                                  PID:3144
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1460 -ip 1460
                                  1⤵
                                    PID:2140
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:3116
                                      • C:\Windows\explorer.exe
                                        explorer.exe /LOADSAVEDWINDOWS
                                        2⤵
                                          PID:4700
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:4924
                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                          1⤵
                                            PID:856

                                          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\FYtK86bwMndW.bat

                                            Filesize

                                            208B

                                            MD5

                                            70afa0a415c3e0db585baafb26d71a7d

                                            SHA1

                                            98522777355ed485b00e1bb17a3e1e0f56e6a0a9

                                            SHA256

                                            2d1c1766146de4e1b260a7533b4505ec39c6997a1b0f103173c1ecdd85397151

                                            SHA512

                                            d01223dbcdbd49450a073e46bb6355f68014673907518fe9a903237391f4bf88ac53f31c35204f592b0760540c15792455eab3ab1dc320b70011ccc4494b2550

                                          • C:\Users\Admin\AppData\Local\Temp\sTWer2Oy3xdt.bat

                                            Filesize

                                            208B

                                            MD5

                                            0ef4867fef00976419d110feea05f5ec

                                            SHA1

                                            03e6ce9b69a516a41cca9b316fc8f0a34ccaeb06

                                            SHA256

                                            6a1f3531669dbfd0475728c213efe0e8621520e7926ea947dc21dd33b673a1f5

                                            SHA512

                                            d70f24e4dd5df409f5b4a49677cfd9663092456c6b17df09842673ea31dca3528fc6b3fd6080f7975bf53af4e35a614c99712074c12eef832fa02cc041014034

                                          • 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\10-17-2024

                                            Filesize

                                            224B

                                            MD5

                                            52b70c1b917d8aeb121fd1c21aa850a6

                                            SHA1

                                            f56353aa95de033261a8fe8a25d42a9867e7e5a5

                                            SHA256

                                            93db3eaf4de5e561efe7a33ffb1c71de1d6a6af8db2ab2f7ac18dc65728da0d7

                                            SHA512

                                            0dd4ebfaf638ff7aaed4ccb6b78cdcbe038544715c0052ac59561603d6a27e3b820ea0cfaa03c50b95ea9bcb65473b3d9648310398c49c48193bfb3696245108

                                          • C:\Users\Admin\AppData\Roaming\Logs\10-17-2024

                                            Filesize

                                            224B

                                            MD5

                                            f97dbc1272e705174a9a6daccdb201aa

                                            SHA1

                                            983ecefbc8eb5518bc6d78bfa6d93eb7b99d54d0

                                            SHA256

                                            672226ad41ab93ed6e9560bcd83b8a01936e9a902f3dd68debd98059b370210a

                                            SHA512

                                            e8c5f7f73a153eeedaf8dd050ba9056e56700f7f5273474afa3857b3a0265730b2ca54a48b2574d80f6c91cdb5d52bcf3115a8233afecc61e9712da8a656454f

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

                                            Filesize

                                            2.0MB

                                            MD5

                                            68ec6b0435de843d256d759d7adea6c7

                                            SHA1

                                            3fefc80c468ba74aa1c3f734c9695dad7504d77b

                                            SHA256

                                            5b204eb9452623ce9421074dcb3e41a272fcce50418a4581a82d5d39d1135e48

                                            SHA512

                                            7c336f0bf7191fa391ec32961063370c84c3309871fe0f4511e79bc0ea7a4a8fd0db70e91a07151184d72dace1b7d956227d075ce68b185ee34fba5a197d59d5

                                          • memory/1980-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/1980-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/2216-35-0x00000000054F0000-0x0000000005502000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/2216-36-0x00000000060E0000-0x000000000611C000-memory.dmp

                                            Filesize

                                            240KB

                                          • memory/2216-34-0x0000000004F60000-0x0000000004FC6000-memory.dmp

                                            Filesize

                                            408KB

                                          • memory/2216-33-0x0000000004EA0000-0x0000000004F32000-memory.dmp

                                            Filesize

                                            584KB

                                          • memory/2216-32-0x0000000005510000-0x0000000005AB4000-memory.dmp

                                            Filesize

                                            5.6MB

                                          • memory/2216-31-0x0000000000560000-0x00000000005BE000-memory.dmp

                                            Filesize

                                            376KB

                                          • memory/3492-19-0x0000000003C40000-0x0000000003C41000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3492-87-0x00007FFA2E610000-0x00007FFA2E805000-memory.dmp

                                            Filesize

                                            2.0MB

                                          • memory/4140-44-0x0000000006B00000-0x0000000006B0A000-memory.dmp

                                            Filesize

                                            40KB