Analysis

  • max time kernel
    10s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    04-05-2021 19:43

General

  • Target

    5731b7144118616dcd213b4bfd7e001b3bb101077ea1100361b519d72fdec986.exe

  • Size

    2.0MB

  • MD5

    ee10d726a9123b07636a78002ec3a42a

  • SHA1

    c7a441329edaf491c897f557ad51d3b07a093e3a

  • SHA256

    5731b7144118616dcd213b4bfd7e001b3bb101077ea1100361b519d72fdec986

  • SHA512

    f4191053278977cb4754cc2dda4c37463dc7b3a45a192841c6d9b212b107dfb3afdbbe6e9e88a1a3bd04d595e36bc84b7022bf8ce4109f88e3fa37b527b652ea

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.

  • Executes dropped EXE 2 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 WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5731b7144118616dcd213b4bfd7e001b3bb101077ea1100361b519d72fdec986.exe
    "C:\Users\Admin\AppData\Local\Temp\5731b7144118616dcd213b4bfd7e001b3bb101077ea1100361b519d72fdec986.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:604
    • 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:3784
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:3292
    • C:\Users\Admin\AppData\Local\Temp\windef.exe
      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
      2⤵
      • Executes dropped EXE
      PID:3480
      • 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:2112
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:3896
          • 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:2908
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NaB3wSneH8TA.bat" "
            4⤵
              PID:1348
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2248
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:3904
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3984
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3896 -s 1916
                  4⤵
                  • Program crash
                  PID:3220
            • C:\Users\Admin\AppData\Local\Temp\5731b7144118616dcd213b4bfd7e001b3bb101077ea1100361b519d72fdec986.exe
              "C:\Users\Admin\AppData\Local\Temp\5731b7144118616dcd213b4bfd7e001b3bb101077ea1100361b519d72fdec986.exe"
              2⤵
                PID:3396
              • 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:200
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:2532
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:3308
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:3956
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:512
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        2⤵
                          PID:2160
                        • 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:3220

                      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\NaB3wSneH8TA.bat

                        MD5

                        bfe8046e3d3aeab19ebf9b5b44eba9ad

                        SHA1

                        70169c2417d17cb49d0d01e5860c2cba274878cd

                        SHA256

                        cf79ed9f3c41e1b0328536e56434bfc03b605fa36df378a81f7837b202738e41

                        SHA512

                        b41153cf2390d6d741052f1e3df62d7a82770da2c4bd42adb871703ea87df7b4aa4c9c78ff0185c9b47abe0e93e08785242eff10d5f795103a18f9685c1317fa

                      • 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

                        d973d43767a90abb13aec766197d13d2

                        SHA1

                        690fd04529c25ee42c508b9601e38e9d9e4071ce

                        SHA256

                        61bc1a41b735052fea9726eb1030fcd7dbe841c1083a0bfd4430d84b055c9369

                        SHA512

                        2010b42cf46efed37dfa0caab3ac0be335d328e87ab7e7db3ab5ede58d505993ed257473c3dda880f9ffd223ceed06c1f40c8250c036c44a2a7cbae8c4b880e8

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

                        MD5

                        d973d43767a90abb13aec766197d13d2

                        SHA1

                        690fd04529c25ee42c508b9601e38e9d9e4071ce

                        SHA256

                        61bc1a41b735052fea9726eb1030fcd7dbe841c1083a0bfd4430d84b055c9369

                        SHA512

                        2010b42cf46efed37dfa0caab3ac0be335d328e87ab7e7db3ab5ede58d505993ed257473c3dda880f9ffd223ceed06c1f40c8250c036c44a2a7cbae8c4b880e8

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

                        MD5

                        d973d43767a90abb13aec766197d13d2

                        SHA1

                        690fd04529c25ee42c508b9601e38e9d9e4071ce

                        SHA256

                        61bc1a41b735052fea9726eb1030fcd7dbe841c1083a0bfd4430d84b055c9369

                        SHA512

                        2010b42cf46efed37dfa0caab3ac0be335d328e87ab7e7db3ab5ede58d505993ed257473c3dda880f9ffd223ceed06c1f40c8250c036c44a2a7cbae8c4b880e8

                      • memory/200-127-0x0000000000000000-mapping.dmp

                      • memory/512-165-0x0000000005400000-0x00000000058FE000-memory.dmp

                        Filesize

                        5.0MB

                      • memory/512-157-0x0000000000000000-mapping.dmp

                      • memory/604-125-0x0000000000990000-0x00000000009B3000-memory.dmp

                        Filesize

                        140KB

                      • memory/1348-177-0x0000000000000000-mapping.dmp

                      • memory/2112-138-0x0000000000000000-mapping.dmp

                      • memory/2160-168-0x0000000000350000-0x0000000000370000-memory.dmp

                        Filesize

                        128KB

                      • memory/2160-172-0x000000000036A1F8-mapping.dmp

                      • memory/2248-179-0x0000000000000000-mapping.dmp

                      • memory/2532-174-0x00000000011C0000-0x00000000011C1000-memory.dmp

                        Filesize

                        4KB

                      • memory/2908-150-0x0000000000000000-mapping.dmp

                      • memory/3220-175-0x0000000000000000-mapping.dmp

                      • memory/3292-131-0x00000000006F0000-0x000000000078C000-memory.dmp

                        Filesize

                        624KB

                      • memory/3292-124-0x0000000000000000-mapping.dmp

                      • memory/3292-130-0x0000000000790000-0x0000000000791000-memory.dmp

                        Filesize

                        4KB

                      • memory/3308-154-0x0000000000000000-mapping.dmp

                      • memory/3396-119-0x0000000000400000-0x0000000000420000-memory.dmp

                        Filesize

                        128KB

                      • memory/3396-123-0x000000000041A1F8-mapping.dmp

                      • memory/3480-137-0x0000000005B80000-0x0000000005B81000-memory.dmp

                        Filesize

                        4KB

                      • memory/3480-128-0x0000000000180000-0x0000000000181000-memory.dmp

                        Filesize

                        4KB

                      • memory/3480-134-0x00000000049C0000-0x00000000049C1000-memory.dmp

                        Filesize

                        4KB

                      • memory/3480-133-0x0000000004A90000-0x0000000004A91000-memory.dmp

                        Filesize

                        4KB

                      • memory/3480-117-0x0000000000000000-mapping.dmp

                      • memory/3480-135-0x0000000004C30000-0x0000000004C31000-memory.dmp

                        Filesize

                        4KB

                      • memory/3480-132-0x0000000004F90000-0x0000000004F91000-memory.dmp

                        Filesize

                        4KB

                      • memory/3480-136-0x0000000005790000-0x0000000005791000-memory.dmp

                        Filesize

                        4KB

                      • memory/3784-114-0x0000000000000000-mapping.dmp

                      • memory/3896-151-0x0000000006160000-0x0000000006161000-memory.dmp

                        Filesize

                        4KB

                      • memory/3896-139-0x0000000000000000-mapping.dmp

                      • memory/3896-146-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

                        Filesize

                        4KB

                      • memory/3904-180-0x0000000000000000-mapping.dmp

                      • memory/3956-156-0x0000000000000000-mapping.dmp

                      • memory/3956-167-0x0000000000350000-0x00000000003EC000-memory.dmp

                        Filesize

                        624KB

                      • memory/3956-166-0x00000000003F0000-0x00000000003F1000-memory.dmp

                        Filesize

                        4KB

                      • memory/3984-181-0x0000000000000000-mapping.dmp

                      • memory/3984-187-0x0000000005390000-0x000000000588E000-memory.dmp

                        Filesize

                        5.0MB