Analysis

  • max time kernel
    9s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    09-05-2021 15:42

General

  • Target

    2d217fe9127be41ea113c369c2df13cec22a96e4bd305d1cd39e46ddce7397cf.exe

  • Size

    2.0MB

  • MD5

    af6b9c88a66dd4a98bbdaf839a661c3d

  • SHA1

    7e20c5bd05da94994a505a67b46ce2eb912ff796

  • SHA256

    2d217fe9127be41ea113c369c2df13cec22a96e4bd305d1cd39e46ddce7397cf

  • SHA512

    ba5f2900b0f4c200a1f9bc195d2e7df530a03a8626be9e11839f3e5fda928935cebf046d41bba326a72d11ce57d725d1e0a2b0a07755cb27e0756f4fddc98492

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\2d217fe9127be41ea113c369c2df13cec22a96e4bd305d1cd39e46ddce7397cf.exe
    "C:\Users\Admin\AppData\Local\Temp\2d217fe9127be41ea113c369c2df13cec22a96e4bd305d1cd39e46ddce7397cf.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3992
    • 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:1640
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:3052
    • 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:2864
      • 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:1160
      • 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:2116
        • 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:3584
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6h5RGUZXHPsp.bat" "
          4⤵
            PID:4076
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              5⤵
                PID:2272
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 10 localhost
                5⤵
                • Runs ping.exe
                PID:2848
              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                5⤵
                  PID:3532
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 1888
                4⤵
                • Program crash
                PID:2232
          • C:\Users\Admin\AppData\Local\Temp\2d217fe9127be41ea113c369c2df13cec22a96e4bd305d1cd39e46ddce7397cf.exe
            "C:\Users\Admin\AppData\Local\Temp\2d217fe9127be41ea113c369c2df13cec22a96e4bd305d1cd39e46ddce7397cf.exe"
            2⤵
              PID:3552
            • 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:3356
          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            1⤵
              PID:3952
              • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                2⤵
                  PID:684
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k
                    3⤵
                      PID:2160
                  • C:\Users\Admin\AppData\Local\Temp\windef.exe
                    "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                    2⤵
                      PID:2656
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                      2⤵
                        PID:1524
                      • 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:2252

                    Network

                    MITRE ATT&CK Matrix ATT&CK v6

                    Execution

                    Scheduled Task

                    1
                    T1053

                    Persistence

                    Scheduled Task

                    1
                    T1053

                    Privilege Escalation

                    Scheduled Task

                    1
                    T1053

                    Discovery

                    Query Registry

                    2
                    T1012

                    Peripheral Device Discovery

                    2
                    T1120

                    System Information Discovery

                    3
                    T1082

                    Remote System Discovery

                    1
                    T1018

                    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\6h5RGUZXHPsp.bat
                      MD5

                      84fbcea233090aa91e98748b9561b328

                      SHA1

                      c2448cdcc3ce4e4ff16cf504e0c5889627603dee

                      SHA256

                      8ab19969f2c9482adc10f6e238008c914abc7457e79fe2bef126ba095d832e8f

                      SHA512

                      45e93e7ed0f6cea6c77f77c473db9cb8524ab99fa820cdba3908db30ae1e5f3eb4cfe46f5ce3d44df7a2515000927f5f601385038fdeed9ec6047ceceb6ceb2c

                    • 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

                      13f473ac5ec9a1a101c5dd5400f90b53

                      SHA1

                      2fac79ceb4092d24f468335d777da4d0f8cdac4a

                      SHA256

                      af54f5d35e3495b2e3217d8bb490b828eb4aad970654f38bd8184033bdac34aa

                      SHA512

                      74532d93fb718c820279f1f67335819dc2264399ee6625ea43f20a47b4a733c7e8ce73d1e5372de66caca7db5a0d31476ac394a94f70cbb5183b855eb2615a7e

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

                      13f473ac5ec9a1a101c5dd5400f90b53

                      SHA1

                      2fac79ceb4092d24f468335d777da4d0f8cdac4a

                      SHA256

                      af54f5d35e3495b2e3217d8bb490b828eb4aad970654f38bd8184033bdac34aa

                      SHA512

                      74532d93fb718c820279f1f67335819dc2264399ee6625ea43f20a47b4a733c7e8ce73d1e5372de66caca7db5a0d31476ac394a94f70cbb5183b855eb2615a7e

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

                      13f473ac5ec9a1a101c5dd5400f90b53

                      SHA1

                      2fac79ceb4092d24f468335d777da4d0f8cdac4a

                      SHA256

                      af54f5d35e3495b2e3217d8bb490b828eb4aad970654f38bd8184033bdac34aa

                      SHA512

                      74532d93fb718c820279f1f67335819dc2264399ee6625ea43f20a47b4a733c7e8ce73d1e5372de66caca7db5a0d31476ac394a94f70cbb5183b855eb2615a7e

                    • memory/684-154-0x0000000000000000-mapping.dmp
                    • memory/1160-138-0x0000000000000000-mapping.dmp
                    • memory/1524-168-0x0000000000800000-0x0000000000820000-memory.dmp
                      Filesize

                      128KB

                    • memory/1524-172-0x000000000081A1F8-mapping.dmp
                    • memory/1640-114-0x0000000000000000-mapping.dmp
                    • memory/2116-151-0x0000000006630000-0x0000000006631000-memory.dmp
                      Filesize

                      4KB

                    • memory/2116-146-0x0000000005110000-0x000000000560E000-memory.dmp
                      Filesize

                      5.0MB

                    • memory/2116-139-0x0000000000000000-mapping.dmp
                    • memory/2160-166-0x00000000009D0000-0x00000000009D1000-memory.dmp
                      Filesize

                      4KB

                    • memory/2160-156-0x0000000000000000-mapping.dmp
                    • memory/2160-167-0x0000000000930000-0x00000000009CC000-memory.dmp
                      Filesize

                      624KB

                    • memory/2252-175-0x0000000000000000-mapping.dmp
                    • memory/2272-179-0x0000000000000000-mapping.dmp
                    • memory/2656-165-0x0000000004DB0000-0x00000000052AE000-memory.dmp
                      Filesize

                      5.0MB

                    • memory/2656-157-0x0000000000000000-mapping.dmp
                    • memory/2848-180-0x0000000000000000-mapping.dmp
                    • memory/2864-122-0x00000000006E0000-0x00000000006E1000-memory.dmp
                      Filesize

                      4KB

                    • memory/2864-126-0x00000000055C0000-0x00000000055C1000-memory.dmp
                      Filesize

                      4KB

                    • memory/2864-131-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
                      Filesize

                      4KB

                    • memory/2864-133-0x0000000002A70000-0x0000000002A71000-memory.dmp
                      Filesize

                      4KB

                    • memory/2864-136-0x0000000005D00000-0x0000000005D01000-memory.dmp
                      Filesize

                      4KB

                    • memory/2864-137-0x00000000060F0000-0x00000000060F1000-memory.dmp
                      Filesize

                      4KB

                    • memory/2864-117-0x0000000000000000-mapping.dmp
                    • memory/2864-135-0x00000000051C0000-0x00000000051C1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3052-130-0x0000000000AD0000-0x0000000000AD1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3052-120-0x0000000000000000-mapping.dmp
                    • memory/3052-132-0x0000000000A30000-0x0000000000ACC000-memory.dmp
                      Filesize

                      624KB

                    • memory/3356-134-0x0000000000000000-mapping.dmp
                    • memory/3532-187-0x0000000005410000-0x000000000590E000-memory.dmp
                      Filesize

                      5.0MB

                    • memory/3532-181-0x0000000000000000-mapping.dmp
                    • memory/3552-129-0x000000000041A1F8-mapping.dmp
                    • memory/3552-121-0x0000000000400000-0x0000000000420000-memory.dmp
                      Filesize

                      128KB

                    • memory/3584-150-0x0000000000000000-mapping.dmp
                    • memory/3992-128-0x0000000001C60000-0x0000000001C61000-memory.dmp
                      Filesize

                      4KB

                    • memory/4076-177-0x0000000000000000-mapping.dmp