Analysis

  • max time kernel
    4s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 08:43

General

  • Target

    ae8b2e282014adca838b563fda27f1ef39b0dc263dcd84e54ba38237a4f8661cN.exe

  • Size

    2.0MB

  • MD5

    67d526e82238fb903c828653e6925bd0

  • SHA1

    7034f2219c8d27a9266b4d4e0ab432cda518971e

  • SHA256

    ae8b2e282014adca838b563fda27f1ef39b0dc263dcd84e54ba38237a4f8661c

  • SHA512

    68be49b95d9eace0cc6877bfeaf076dbb6e329e6c15755ef4c21c5e976f8a9e6f54d1dcc495d509176acd666107a6ce30f2eba9b2d7a1ef8968085723015fb51

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

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 4 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 2 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 7 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\ae8b2e282014adca838b563fda27f1ef39b0dc263dcd84e54ba38237a4f8661cN.exe
    "C:\Users\Admin\AppData\Local\Temp\ae8b2e282014adca838b563fda27f1ef39b0dc263dcd84e54ba38237a4f8661cN.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:3756
    • 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:944
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:448
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 944 -s 548
          3⤵
          • Program crash
          PID:2688
      • 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:856
        • 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:3660
        • 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:2464
          • 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:4868
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\nR0lqKXY3Zmr.bat" "
            4⤵
              PID:3184
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4396
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:552
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3196
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 2248
                  4⤵
                  • Program crash
                  PID:4312
            • C:\Users\Admin\AppData\Local\Temp\ae8b2e282014adca838b563fda27f1ef39b0dc263dcd84e54ba38237a4f8661cN.exe
              "C:\Users\Admin\AppData\Local\Temp\ae8b2e282014adca838b563fda27f1ef39b0dc263dcd84e54ba38237a4f8661cN.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3904
            • 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:4852
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 944 -ip 944
            1⤵
              PID:1064
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:1616
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:964
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:2368
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 520
                        3⤵
                        • Program crash
                        PID:4900
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:3232
                        • 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⤵
                          • Scheduled Task/Job: Scheduled Task
                          PID:1700
                        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                          3⤵
                            PID:320
                            • 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⤵
                              • Scheduled Task/Job: Scheduled Task
                              PID:4172
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UzG2YAtPrGi5.bat" "
                              4⤵
                                PID:2488
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  5⤵
                                    PID:1564
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    5⤵
                                    • System Network Configuration Discovery: Internet Connection Discovery
                                    • Runs ping.exe
                                    PID:608
                                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                    5⤵
                                      PID:4260
                                      • 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:5020
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 320 -s 2260
                                    4⤵
                                    • Program crash
                                    PID:916
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3324
                                • 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:1116
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 964 -ip 964
                                1⤵
                                  PID:1472
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2464 -ip 2464
                                  1⤵
                                    PID:3992
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 320 -ip 320
                                    1⤵
                                      PID:2708
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:636
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:4320

                                        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\Microsoft\CLR_v4.0_32\UsageLogs\winsock.exe.log

                                          Filesize

                                          701B

                                          MD5

                                          5de8527438c860bfa3140dc420a03e52

                                          SHA1

                                          235af682986b3292f20d8d71a8671353f5d6e16d

                                          SHA256

                                          d9d92cd6e7a4507912965138b8d1eabb3f188f4dfcb61115ee99dc2c0fd43a92

                                          SHA512

                                          77c3a774a2235c55ad520f1bf0c71fa3d3f0e7cf478a78e0d4dd6d253ee12a9859acc9ee822664467387788a2655a18373c8fcf08ea0d001549d3d4391b00bf8

                                        • C:\Users\Admin\AppData\Local\Temp\UzG2YAtPrGi5.bat

                                          Filesize

                                          208B

                                          MD5

                                          1598b8835796b00960847635a3d25b81

                                          SHA1

                                          b8f5741946fd30e5d6d6ac209b75d7e1d47282de

                                          SHA256

                                          b60e4f6685dbc2c4741821186f112d950d3e26f043718cf680e9d130a14c6f9f

                                          SHA512

                                          7611f0524f12e7be85c2e68379f3a0c0b11c8a9f2cb8e1ad2084b6b79fe5e9fe6bb0e71b4417fccb4c27874bc9e4fc1af7689841a7566db5f837416b138c6f27

                                        • C:\Users\Admin\AppData\Local\Temp\nR0lqKXY3Zmr.bat

                                          Filesize

                                          208B

                                          MD5

                                          24cac5d09433ab005ec6f0eb72c50ab9

                                          SHA1

                                          ec1a8c03ed46e6bfcd139fb3bd2cb46de5551c62

                                          SHA256

                                          4fd00b29c323bd6724d6a91ca00377e2b73861c8dd0b5a679f2bd44386f11e1b

                                          SHA512

                                          fcff0a048c62482ec333f45352ad1b1c46e3b072e2cc8d8fcc20abc3e0e04e5c735c3e42fd8dc0bca3540f433368042899a021c9d0cbcbf3d26cf14da62178b7

                                        • 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\09-19-2024

                                          Filesize

                                          224B

                                          MD5

                                          c1fce6f9afaa51d99fad0cc9cc2f9e8a

                                          SHA1

                                          0eb5a82dec8b5281087882e614768cec0634c8d7

                                          SHA256

                                          ace0aafe3e9bc191bac9befc360d139503f2a4b19119adab7fca61b6260f55fa

                                          SHA512

                                          f946111651552c4e929901705bdff8ed09e446e6c643d212cc9ae0c9a5c17a8da8c9eefae0c9ce4893eb7732ee4042c77d8a6dc91e3e0a6f7e30b1decae7d0dc

                                        • C:\Users\Admin\AppData\Roaming\Logs\09-19-2024

                                          Filesize

                                          224B

                                          MD5

                                          b06ed6afe66775564ba5972e887388d6

                                          SHA1

                                          2d0cbd574e540cd16c1907bbfc5ab001ea8c48b2

                                          SHA256

                                          c91cb4f562f5b93208292cc04202a7f9ff873f6b537a2bfcad33c5baadf82089

                                          SHA512

                                          8fc8fb336e56ab7f7c50cb27b05c00d8c6598e60048c7d572a1aaaed14ca16e215ec8cd41cad747bac714901d87721200badec855de580251e4a9b4d675515f9

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          079f7fd274fea293a5e1b87c060b0cfe

                                          SHA1

                                          e9dc10e67b46ba5d39f629aa04db5c3ae9883a96

                                          SHA256

                                          7dcd764a763bcf628252f82474f26e52d2aa5113cc4c891e92cca9753172b5af

                                          SHA512

                                          b4fc2666e5adb1b1bfeecf04c879e1c07f260475120c3547822a4fccbe56920c0204fee0e08331d0fe636ee1e418297d26cd09fb58349f88ccda0d81da468aca

                                        • memory/856-29-0x00000000731BE000-0x00000000731BF000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/856-36-0x0000000005F60000-0x0000000005F72000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/856-37-0x00000000064A0000-0x00000000064DC000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/856-35-0x0000000005240000-0x00000000052A6000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/856-34-0x00000000052C0000-0x0000000005352000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/856-33-0x0000000005870000-0x0000000005E14000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/856-30-0x0000000000930000-0x000000000098E000-memory.dmp

                                          Filesize

                                          376KB

                                        • memory/2464-45-0x0000000006170000-0x000000000617A000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/3756-19-0x0000000003710000-0x0000000003711000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3756-96-0x0000000000C40000-0x0000000000E4A000-memory.dmp

                                          Filesize

                                          2.0MB

                                        • memory/3904-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3904-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4260-95-0x0000000075560000-0x000000007563C000-memory.dmp

                                          Filesize

                                          880KB