Analysis

  • max time kernel
    8s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    04-05-2021 21:52

General

  • Target

    d504f611e0ca02c93406544147a8d966cfa0596255a706c61996ce55f9af7e94.exe

  • Size

    2.0MB

  • MD5

    c5d4772225c47b8736ca577e30c4bba1

  • SHA1

    3e0d33305f78ca6e53a6ad293ffb600f1327072f

  • SHA256

    d504f611e0ca02c93406544147a8d966cfa0596255a706c61996ce55f9af7e94

  • SHA512

    b6015dc5ffbdfaf68fc1445a4214ead1b745e423a8a931f326d03f531ba04a5c41d30f831a72e90cc001a80877bf4d20fdc5c8999b5cc084079a704dae365ef8

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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.

  • Executes dropped EXE 3 IoCs
  • Enumerates connected drives 3 TTPs 24 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 4 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d504f611e0ca02c93406544147a8d966cfa0596255a706c61996ce55f9af7e94.exe
    "C:\Users\Admin\AppData\Local\Temp\d504f611e0ca02c93406544147a8d966cfa0596255a706c61996ce55f9af7e94.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:3828
    • 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:3604
      • 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:4000
      • 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:1732
        • 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:3976
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IdqMe3XHUqKI.bat" "
          4⤵
            PID:1712
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              5⤵
                PID:2932
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 10 localhost
                5⤵
                • Runs ping.exe
                PID:2608
              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                5⤵
                  PID:1848
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 2088
                4⤵
                • Program crash
                PID:2904
          • C:\Users\Admin\AppData\Local\Temp\d504f611e0ca02c93406544147a8d966cfa0596255a706c61996ce55f9af7e94.exe
            "C:\Users\Admin\AppData\Local\Temp\d504f611e0ca02c93406544147a8d966cfa0596255a706c61996ce55f9af7e94.exe"
            2⤵
              PID:3628
            • 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:932
          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            1⤵
              PID:1508
              • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                2⤵
                  PID:3216
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k
                    3⤵
                      PID:2208
                  • C:\Users\Admin\AppData\Local\Temp\windef.exe
                    "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                    2⤵
                      PID:2700
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                      2⤵
                        PID:2608
                      • 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:3952

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log
                      MD5

                      1efce85e583a7a2f123317a20f889d04

                      SHA1

                      60f71aa73ea2e2a48ed1c17e3c6d440abf39c914

                      SHA256

                      2b5532a94879134a876b11c188ade1a61deaba6a80fe1f3a3a77cc442f1cca0d

                      SHA512

                      45a5cd283e6a6ac34c3d8b1a6d73dc1cf52d8c974cf84624e8e9924eddaf354ccda929bce728b47db2b62175e47bdc3eaca6bc6b84d3565881fa87c50319d24c

                    • C:\Users\Admin\AppData\Local\Temp\IdqMe3XHUqKI.bat
                      MD5

                      b202f587e6efbf633c2eb79818e55c30

                      SHA1

                      f08b3f044f5221b7f56fcbf5b13f97f0f05f648b

                      SHA256

                      20e1fbd96316dfd933c6f345539f8fadb203070fcdc244ebe69d5354258c1178

                      SHA512

                      f97b5634f5a318cbbf4f082953336f7b4ef62965781db45e1821886f10f67cc185cb5eda17f84d8ffd693a772568ccbbc2694afea72189d164b64fef3b53eab5

                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      MD5

                      b8ba87ee4c3fc085a2fed0d839aadce1

                      SHA1

                      b3a2e3256406330e8b1779199bb2b9865122d766

                      SHA256

                      4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                      SHA512

                      7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      MD5

                      b8ba87ee4c3fc085a2fed0d839aadce1

                      SHA1

                      b3a2e3256406330e8b1779199bb2b9865122d766

                      SHA256

                      4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                      SHA512

                      7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      MD5

                      b8ba87ee4c3fc085a2fed0d839aadce1

                      SHA1

                      b3a2e3256406330e8b1779199bb2b9865122d766

                      SHA256

                      4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                      SHA512

                      7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      MD5

                      b4a202e03d4135484d0e730173abcc72

                      SHA1

                      01b30014545ea526c15a60931d676f9392ea0c70

                      SHA256

                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                      SHA512

                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      MD5

                      b4a202e03d4135484d0e730173abcc72

                      SHA1

                      01b30014545ea526c15a60931d676f9392ea0c70

                      SHA256

                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                      SHA512

                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      MD5

                      b4a202e03d4135484d0e730173abcc72

                      SHA1

                      01b30014545ea526c15a60931d676f9392ea0c70

                      SHA256

                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                      SHA512

                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      MD5

                      b4a202e03d4135484d0e730173abcc72

                      SHA1

                      01b30014545ea526c15a60931d676f9392ea0c70

                      SHA256

                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                      SHA512

                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                    • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                      MD5

                      b4a202e03d4135484d0e730173abcc72

                      SHA1

                      01b30014545ea526c15a60931d676f9392ea0c70

                      SHA256

                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                      SHA512

                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                    • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                      MD5

                      b4a202e03d4135484d0e730173abcc72

                      SHA1

                      01b30014545ea526c15a60931d676f9392ea0c70

                      SHA256

                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                      SHA512

                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                    • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                      MD5

                      b4a202e03d4135484d0e730173abcc72

                      SHA1

                      01b30014545ea526c15a60931d676f9392ea0c70

                      SHA256

                      7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                      SHA512

                      632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      MD5

                      62b32870fbfe2d2312197e7c9786426e

                      SHA1

                      8459aacf23aa62de2e05afd053da8a6e1e355539

                      SHA256

                      6c117825cb64de14c4b2a1b67b83f6d77f279dd2e04712cda97503480b7d8b64

                      SHA512

                      b20c9a3682340566a14739b48a0442126ac743a01a435a285bca9ca08f16fa9d4cf3851d4084f05df9f50761751e031b0f9780f14f5fb4cfb5895047e77cc20f

                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      MD5

                      62b32870fbfe2d2312197e7c9786426e

                      SHA1

                      8459aacf23aa62de2e05afd053da8a6e1e355539

                      SHA256

                      6c117825cb64de14c4b2a1b67b83f6d77f279dd2e04712cda97503480b7d8b64

                      SHA512

                      b20c9a3682340566a14739b48a0442126ac743a01a435a285bca9ca08f16fa9d4cf3851d4084f05df9f50761751e031b0f9780f14f5fb4cfb5895047e77cc20f

                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      MD5

                      62b32870fbfe2d2312197e7c9786426e

                      SHA1

                      8459aacf23aa62de2e05afd053da8a6e1e355539

                      SHA256

                      6c117825cb64de14c4b2a1b67b83f6d77f279dd2e04712cda97503480b7d8b64

                      SHA512

                      b20c9a3682340566a14739b48a0442126ac743a01a435a285bca9ca08f16fa9d4cf3851d4084f05df9f50761751e031b0f9780f14f5fb4cfb5895047e77cc20f

                    • memory/932-130-0x0000000000000000-mapping.dmp
                    • memory/1712-152-0x0000000000000000-mapping.dmp
                    • memory/1732-146-0x0000000000DF0000-0x0000000000F3A000-memory.dmp
                      Filesize

                      1.3MB

                    • memory/1732-139-0x0000000000000000-mapping.dmp
                    • memory/1732-151-0x00000000065A0000-0x00000000065A1000-memory.dmp
                      Filesize

                      4KB

                    • memory/1848-162-0x0000000005690000-0x0000000005B8E000-memory.dmp
                      Filesize

                      5.0MB

                    • memory/1848-156-0x0000000000000000-mapping.dmp
                    • memory/2208-179-0x0000000000B00000-0x0000000000B9C000-memory.dmp
                      Filesize

                      624KB

                    • memory/2208-178-0x0000000000BA0000-0x0000000000BA1000-memory.dmp
                      Filesize

                      4KB

                    • memory/2208-168-0x0000000000000000-mapping.dmp
                    • memory/2256-133-0x00000000040E0000-0x00000000040E1000-memory.dmp
                      Filesize

                      4KB

                    • memory/2608-155-0x0000000000000000-mapping.dmp
                    • memory/2608-184-0x000000000041A1F8-mapping.dmp
                    • memory/2612-114-0x0000000000000000-mapping.dmp
                    • memory/2700-177-0x00000000056A0000-0x00000000056A1000-memory.dmp
                      Filesize

                      4KB

                    • memory/2700-169-0x0000000000000000-mapping.dmp
                    • memory/2932-154-0x0000000000000000-mapping.dmp
                    • memory/3216-166-0x0000000000000000-mapping.dmp
                    • memory/3604-126-0x0000000005360000-0x0000000005361000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-135-0x0000000005260000-0x0000000005261000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-136-0x0000000005FE0000-0x0000000005FE1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-117-0x0000000000000000-mapping.dmp
                    • memory/3604-134-0x00000000052D0000-0x00000000052D1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-123-0x0000000005860000-0x0000000005861000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-121-0x00000000009C0000-0x00000000009C1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3604-137-0x00000000063D0000-0x00000000063D1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3628-129-0x000000000041A1F8-mapping.dmp
                    • memory/3628-124-0x0000000000400000-0x0000000000420000-memory.dmp
                      Filesize

                      128KB

                    • memory/3828-131-0x0000000000B90000-0x0000000000B91000-memory.dmp
                      Filesize

                      4KB

                    • memory/3828-120-0x0000000000000000-mapping.dmp
                    • memory/3828-132-0x0000000000AF0000-0x0000000000B8C000-memory.dmp
                      Filesize

                      624KB

                    • memory/3952-187-0x0000000000000000-mapping.dmp
                    • memory/3976-150-0x0000000000000000-mapping.dmp
                    • memory/4000-138-0x0000000000000000-mapping.dmp