Analysis

  • max time kernel
    11s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    16-04-2021 16:11

General

  • Target

    422d646c28b4fda4b6291e868342895495b714cba7638.exe

  • Size

    2.0MB

  • MD5

    d70236bdebcf174a288ce9fa5917867e

  • SHA1

    b09a685f997845f12ad23143ca1117f355c71b42

  • SHA256

    422d646c28b4fda4b6291e868342895495b714cba76384d01b769db14ead4c79

  • SHA512

    14cea2afede81bb7dfbc9fc08ed49c511ecd1c4e2f69afb25d9563a271425a2935c5159d58fc2d022750131c47ac2fae1930f60a95d6e3a04a657bb75155985b

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\422d646c28b4fda4b6291e868342895495b714cba7638.exe
    "C:\Users\Admin\AppData\Local\Temp\422d646c28b4fda4b6291e868342895495b714cba7638.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4024
    • 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:2496
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:3164
    • C:\Users\Admin\AppData\Local\Temp\windef.exe
      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
      2⤵
      • Executes dropped EXE
      PID:3040
      • 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:3920
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:2368
          • 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:2136
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UGpSqd9HXV4x.bat" "
            4⤵
              PID:1488
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3876
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:2024
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2880
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 2068
                  4⤵
                  • Program crash
                  PID:1584
            • C:\Users\Admin\AppData\Local\Temp\422d646c28b4fda4b6291e868342895495b714cba7638.exe
              "C:\Users\Admin\AppData\Local\Temp\422d646c28b4fda4b6291e868342895495b714cba7638.exe"
              2⤵
                PID:2792
              • 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:3176
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:3680
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:1796
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:3156
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:2648
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        2⤵
                          PID:2852
                        • 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:3908

                      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\UGpSqd9HXV4x.bat
                        MD5

                        e0f498a1b57a3b2e52c4e4e9fc051c79

                        SHA1

                        aed5939a326b2097262445895e457b0209d87731

                        SHA256

                        ed4e6210f8d438d2a67dee51b4c4c8b875ce11d634bce1a113152bb0f798a965

                        SHA512

                        7f372114359c422818b087d0c3d02f6d91bd8a87b42dd13e5df6cb10332eadd7dffc60d27c8486f165629262626d3fc6abf81cc5267c246689b7e10df8fe85e8

                      • 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

                        738360d92ee1cba2479ecabd555ba84a

                        SHA1

                        32ad4c38a8416a122ebe48afd2c5d3c656834410

                        SHA256

                        0a4275a9e3787c7069011f61101b240bb8b997d12d7a43004c71703cc0abda06

                        SHA512

                        592dc006ebcaaf77eac65f9c3b07cc09d1dde7c77158380a734c9040e2bf7f9b806e4f3eb03c4aa771a785199080bec5dcebf201ddd2ddb528fdab3420b3fbeb

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

                        738360d92ee1cba2479ecabd555ba84a

                        SHA1

                        32ad4c38a8416a122ebe48afd2c5d3c656834410

                        SHA256

                        0a4275a9e3787c7069011f61101b240bb8b997d12d7a43004c71703cc0abda06

                        SHA512

                        592dc006ebcaaf77eac65f9c3b07cc09d1dde7c77158380a734c9040e2bf7f9b806e4f3eb03c4aa771a785199080bec5dcebf201ddd2ddb528fdab3420b3fbeb

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

                        738360d92ee1cba2479ecabd555ba84a

                        SHA1

                        32ad4c38a8416a122ebe48afd2c5d3c656834410

                        SHA256

                        0a4275a9e3787c7069011f61101b240bb8b997d12d7a43004c71703cc0abda06

                        SHA512

                        592dc006ebcaaf77eac65f9c3b07cc09d1dde7c77158380a734c9040e2bf7f9b806e4f3eb03c4aa771a785199080bec5dcebf201ddd2ddb528fdab3420b3fbeb

                      • memory/1488-177-0x0000000000000000-mapping.dmp
                      • memory/1796-154-0x0000000000000000-mapping.dmp
                      • memory/2024-180-0x0000000000000000-mapping.dmp
                      • memory/2136-150-0x0000000000000000-mapping.dmp
                      • memory/2368-151-0x0000000006B00000-0x0000000006B01000-memory.dmp
                        Filesize

                        4KB

                      • memory/2368-146-0x00000000055F0000-0x0000000005AEE000-memory.dmp
                        Filesize

                        5.0MB

                      • memory/2368-139-0x0000000000000000-mapping.dmp
                      • memory/2496-114-0x0000000000000000-mapping.dmp
                      • memory/2648-165-0x0000000000AD0000-0x0000000000AD1000-memory.dmp
                        Filesize

                        4KB

                      • memory/2648-157-0x0000000000000000-mapping.dmp
                      • memory/2792-123-0x0000000000ACA1F8-mapping.dmp
                      • memory/2792-119-0x0000000000AB0000-0x0000000000AD0000-memory.dmp
                        Filesize

                        128KB

                      • memory/2852-172-0x0000000000A3A1F8-mapping.dmp
                      • memory/2852-168-0x0000000000A20000-0x0000000000A40000-memory.dmp
                        Filesize

                        128KB

                      • memory/2880-181-0x0000000000000000-mapping.dmp
                      • memory/2880-187-0x0000000005650000-0x0000000005B4E000-memory.dmp
                        Filesize

                        5.0MB

                      • memory/3040-133-0x0000000004BF0000-0x0000000004BF1000-memory.dmp
                        Filesize

                        4KB

                      • memory/3040-117-0x0000000000000000-mapping.dmp
                      • memory/3040-130-0x0000000000240000-0x0000000000241000-memory.dmp
                        Filesize

                        4KB

                      • memory/3040-137-0x0000000005C40000-0x0000000005C41000-memory.dmp
                        Filesize

                        4KB

                      • memory/3040-132-0x0000000005050000-0x0000000005051000-memory.dmp
                        Filesize

                        4KB

                      • memory/3040-134-0x0000000004AC0000-0x0000000004AC1000-memory.dmp
                        Filesize

                        4KB

                      • memory/3040-135-0x0000000004B50000-0x0000000004B51000-memory.dmp
                        Filesize

                        4KB

                      • memory/3040-136-0x0000000005850000-0x0000000005851000-memory.dmp
                        Filesize

                        4KB

                      • memory/3156-156-0x0000000000000000-mapping.dmp
                      • memory/3156-166-0x0000000000DE0000-0x0000000000DE1000-memory.dmp
                        Filesize

                        4KB

                      • memory/3156-167-0x0000000000D40000-0x0000000000DDC000-memory.dmp
                        Filesize

                        624KB

                      • memory/3164-128-0x0000000000860000-0x0000000000861000-memory.dmp
                        Filesize

                        4KB

                      • memory/3164-125-0x0000000000000000-mapping.dmp
                      • memory/3164-129-0x00000000007C0000-0x000000000085C000-memory.dmp
                        Filesize

                        624KB

                      • memory/3176-127-0x0000000000000000-mapping.dmp
                      • memory/3876-179-0x0000000000000000-mapping.dmp
                      • memory/3908-174-0x0000000000000000-mapping.dmp
                      • memory/3920-138-0x0000000000000000-mapping.dmp
                      • memory/4024-124-0x00000000037C0000-0x00000000037C1000-memory.dmp
                        Filesize

                        4KB