Analysis

  • max time kernel
    9s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    08-05-2021 20:35

General

  • Target

    e40630059f781ce323021a6d26ba6f7806061aede715b94ad0288e01d79cbad8.exe

  • Size

    2.0MB

  • MD5

    e7bb33ab749e3b1b73e8957cd14e152f

  • SHA1

    4f998d5e97b4eb1476816f6621819ef0f65ac5d1

  • SHA256

    e40630059f781ce323021a6d26ba6f7806061aede715b94ad0288e01d79cbad8

  • SHA512

    919dc31a447bf32e693bf9b2004943affda7e70f0346a73a8861c040d37c85196eecfbf5cb4e30556396b0647374455ec822f8aa661185bcd48e0f1631ebe3d2

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\e40630059f781ce323021a6d26ba6f7806061aede715b94ad0288e01d79cbad8.exe
    "C:\Users\Admin\AppData\Local\Temp\e40630059f781ce323021a6d26ba6f7806061aede715b94ad0288e01d79cbad8.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2016
    • 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:2344
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2868
    • 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:3092
      • 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:1340
      • 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:2328
        • 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:2500
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\yAJ9undpYpa7.bat" "
          4⤵
            PID:2352
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              5⤵
                PID:3924
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 10 localhost
                5⤵
                • Runs ping.exe
                PID:3172
              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                5⤵
                  PID:3956
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 2008
                4⤵
                • Program crash
                PID:2272
          • C:\Users\Admin\AppData\Local\Temp\e40630059f781ce323021a6d26ba6f7806061aede715b94ad0288e01d79cbad8.exe
            "C:\Users\Admin\AppData\Local\Temp\e40630059f781ce323021a6d26ba6f7806061aede715b94ad0288e01d79cbad8.exe"
            2⤵
              PID:3960
            • 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
          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            1⤵
              PID:3996
              • 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:1240
                  • C:\Users\Admin\AppData\Local\Temp\windef.exe
                    "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                    2⤵
                      PID:2116
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                      2⤵
                        PID:736
                      • 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:2192

                    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\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\Local\Temp\yAJ9undpYpa7.bat
                      MD5

                      cce4ca8c8d1b5ad2c90173c45724ea4d

                      SHA1

                      6d9f4a3c4404c6e511cb76fafdf31a0547a07db2

                      SHA256

                      7b02da27d80e4189ea6e9c9f213691108c427b6ce00478895bd3da0f533b983c

                      SHA512

                      cb97c733126f58e31b6c66f22a9a1c8b2ea801547b17c4d9c3676401a65b05b7c236d7c79efed9798a001eebdcac6b276f459ef67f839cf5a16b69a5b0882f3d

                    • 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

                      a1b1e30a452944a8cad1b1fff6fd907c

                      SHA1

                      ba8e26490e8b7a9f688ecc317543d3bfd0e931e8

                      SHA256

                      8ebb5834980ee99eac7fbb11ec958df54b0f6a0cc18c0214269b0385e5fc60ef

                      SHA512

                      80d1a8771e99928ab6d30fd8080f6709f900731f26e91b4039caab40f5126ac19bff7a3742b89b160b47479963afb9711496b773d1282fab8f26c4c9f0841ec2

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

                      a1b1e30a452944a8cad1b1fff6fd907c

                      SHA1

                      ba8e26490e8b7a9f688ecc317543d3bfd0e931e8

                      SHA256

                      8ebb5834980ee99eac7fbb11ec958df54b0f6a0cc18c0214269b0385e5fc60ef

                      SHA512

                      80d1a8771e99928ab6d30fd8080f6709f900731f26e91b4039caab40f5126ac19bff7a3742b89b160b47479963afb9711496b773d1282fab8f26c4c9f0841ec2

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

                      a1b1e30a452944a8cad1b1fff6fd907c

                      SHA1

                      ba8e26490e8b7a9f688ecc317543d3bfd0e931e8

                      SHA256

                      8ebb5834980ee99eac7fbb11ec958df54b0f6a0cc18c0214269b0385e5fc60ef

                      SHA512

                      80d1a8771e99928ab6d30fd8080f6709f900731f26e91b4039caab40f5126ac19bff7a3742b89b160b47479963afb9711496b773d1282fab8f26c4c9f0841ec2

                    • memory/684-154-0x0000000000000000-mapping.dmp
                    • memory/736-172-0x000000000033A1F8-mapping.dmp
                    • memory/736-168-0x0000000000320000-0x0000000000340000-memory.dmp
                      Filesize

                      128KB

                    • memory/1240-156-0x0000000000000000-mapping.dmp
                    • memory/1240-166-0x00000000006A0000-0x00000000006A1000-memory.dmp
                      Filesize

                      4KB

                    • memory/1240-167-0x0000000000600000-0x000000000069C000-memory.dmp
                      Filesize

                      624KB

                    • memory/1340-138-0x0000000000000000-mapping.dmp
                    • memory/2016-133-0x00000000008F0000-0x00000000008F1000-memory.dmp
                      Filesize

                      4KB

                    • memory/2116-165-0x00000000056E0000-0x00000000056E1000-memory.dmp
                      Filesize

                      4KB

                    • memory/2116-157-0x0000000000000000-mapping.dmp
                    • memory/2192-179-0x0000000000000000-mapping.dmp
                    • memory/2252-130-0x0000000000000000-mapping.dmp
                    • memory/2328-146-0x0000000005110000-0x000000000560E000-memory.dmp
                      Filesize

                      5.0MB

                    • memory/2328-139-0x0000000000000000-mapping.dmp
                    • memory/2328-151-0x0000000006630000-0x0000000006631000-memory.dmp
                      Filesize

                      4KB

                    • memory/2344-114-0x0000000000000000-mapping.dmp
                    • memory/2352-174-0x0000000000000000-mapping.dmp
                    • memory/2500-150-0x0000000000000000-mapping.dmp
                    • memory/2868-132-0x00000000005F0000-0x000000000068C000-memory.dmp
                      Filesize

                      624KB

                    • memory/2868-118-0x0000000000000000-mapping.dmp
                    • memory/2868-131-0x0000000000690000-0x0000000000691000-memory.dmp
                      Filesize

                      4KB

                    • memory/3092-121-0x00000000006A0000-0x00000000006A1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3092-136-0x0000000005CC0000-0x0000000005CC1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3092-117-0x0000000000000000-mapping.dmp
                    • memory/3092-137-0x0000000006090000-0x0000000006091000-memory.dmp
                      Filesize

                      4KB

                    • memory/3092-126-0x0000000005080000-0x0000000005081000-memory.dmp
                      Filesize

                      4KB

                    • memory/3092-123-0x0000000005580000-0x0000000005581000-memory.dmp
                      Filesize

                      4KB

                    • memory/3092-135-0x0000000004F80000-0x0000000004F81000-memory.dmp
                      Filesize

                      4KB

                    • memory/3092-134-0x0000000004F70000-0x0000000004F71000-memory.dmp
                      Filesize

                      4KB

                    • memory/3172-177-0x0000000000000000-mapping.dmp
                    • memory/3924-176-0x0000000000000000-mapping.dmp
                    • memory/3956-181-0x0000000000000000-mapping.dmp
                    • memory/3956-187-0x00000000051E0000-0x00000000056DE000-memory.dmp
                      Filesize

                      5.0MB

                    • memory/3960-124-0x0000000000400000-0x0000000000420000-memory.dmp
                      Filesize

                      128KB

                    • memory/3960-129-0x000000000041A1F8-mapping.dmp