Analysis

  • max time kernel
    12s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    08-05-2021 18:21

General

  • Target

    2d2d3e432eddb7fddd2e4aa449dd8084fb8e68fc3c75ee41d83a0792ead55ad1.exe

  • Size

    2.0MB

  • MD5

    e9922891b1668e4eb9a13d47ca8c8fc3

  • SHA1

    f70dbf9739aa9ac5938a6f7edf30d37aec3e0ffe

  • SHA256

    2d2d3e432eddb7fddd2e4aa449dd8084fb8e68fc3c75ee41d83a0792ead55ad1

  • SHA512

    5021f262d61700d00872d52059514092ccb42b26f7c2390aa151cdf722db4ca2c65732df97c7ca417025a50f56e7b0d62b69f86958c73bb98a5a4fdae103b69b

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\2d2d3e432eddb7fddd2e4aa449dd8084fb8e68fc3c75ee41d83a0792ead55ad1.exe
    "C:\Users\Admin\AppData\Local\Temp\2d2d3e432eddb7fddd2e4aa449dd8084fb8e68fc3c75ee41d83a0792ead55ad1.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1032
    • 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:3356
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:3344
    • C:\Users\Admin\AppData\Local\Temp\windef.exe
      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
      2⤵
      • Executes dropped EXE
      PID:1328
      • 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:3164
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:3844
          • 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:2452
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HK2KDyqrbkH6.bat" "
            4⤵
              PID:1160
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1688
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:4016
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3788
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3844 -s 2088
                  4⤵
                  • Program crash
                  PID:3548
            • C:\Users\Admin\AppData\Local\Temp\2d2d3e432eddb7fddd2e4aa449dd8084fb8e68fc3c75ee41d83a0792ead55ad1.exe
              "C:\Users\Admin\AppData\Local\Temp\2d2d3e432eddb7fddd2e4aa449dd8084fb8e68fc3c75ee41d83a0792ead55ad1.exe"
              2⤵
                PID:1960
              • 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:2000
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
                PID:2332
                • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                  "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                  2⤵
                    PID:644
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k
                      3⤵
                        PID:212
                    • C:\Users\Admin\AppData\Local\Temp\windef.exe
                      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                      2⤵
                        PID:2316
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        2⤵
                          PID:3748
                        • 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:1568

                      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\HK2KDyqrbkH6.bat
                        MD5

                        bc8e1f3ecc297fa51e6aa4ac85fba52e

                        SHA1

                        4737f865d4af710ce46b86abe34434ad86f07f91

                        SHA256

                        c454c5644277fa63174d11c1ce6535dc6c20f14bb58e782a72f20fe785add2ea

                        SHA512

                        3fe035009bf412b325949dfae9ab67bd35186f7528eb2ab4127d22828aded899631063ccd6d363ccfefc0e9f5599eac58ffa599c5bcc46d39ff17291019ff4a7

                      • 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\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

                        7a9303d47cab20d293338dcd31703c77

                        SHA1

                        2c4768f9c132ceb133ab9f80616912e4b24257ad

                        SHA256

                        189e2cd0462f5ae07bee040c88e88a89dbf7906947b5468f30236992edf7e3bc

                        SHA512

                        82ca30b34f52648f8cc81420921fe436a38df2a5968fcbf4e0ea18ee399c96df1cab8a5283fe5c3216f5133f32533888d8a1a4628775b24050961495b19729dc

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

                        7a9303d47cab20d293338dcd31703c77

                        SHA1

                        2c4768f9c132ceb133ab9f80616912e4b24257ad

                        SHA256

                        189e2cd0462f5ae07bee040c88e88a89dbf7906947b5468f30236992edf7e3bc

                        SHA512

                        82ca30b34f52648f8cc81420921fe436a38df2a5968fcbf4e0ea18ee399c96df1cab8a5283fe5c3216f5133f32533888d8a1a4628775b24050961495b19729dc

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

                        7a9303d47cab20d293338dcd31703c77

                        SHA1

                        2c4768f9c132ceb133ab9f80616912e4b24257ad

                        SHA256

                        189e2cd0462f5ae07bee040c88e88a89dbf7906947b5468f30236992edf7e3bc

                        SHA512

                        82ca30b34f52648f8cc81420921fe436a38df2a5968fcbf4e0ea18ee399c96df1cab8a5283fe5c3216f5133f32533888d8a1a4628775b24050961495b19729dc

                      • memory/212-149-0x0000000000C50000-0x0000000000C51000-memory.dmp
                        Filesize

                        4KB

                      • memory/212-150-0x0000000000BB0000-0x0000000000C4C000-memory.dmp
                        Filesize

                        624KB

                      • memory/212-140-0x0000000000000000-mapping.dmp
                      • memory/644-138-0x0000000000000000-mapping.dmp
                      • memory/1032-125-0x0000000000F90000-0x0000000000F91000-memory.dmp
                        Filesize

                        4KB

                      • memory/1160-176-0x0000000000000000-mapping.dmp
                      • memory/1328-146-0x0000000005D00000-0x0000000005D01000-memory.dmp
                        Filesize

                        4KB

                      • memory/1328-117-0x0000000000000000-mapping.dmp
                      • memory/1328-132-0x0000000005340000-0x0000000005341000-memory.dmp
                        Filesize

                        4KB

                      • memory/1328-133-0x0000000004E40000-0x0000000004E41000-memory.dmp
                        Filesize

                        4KB

                      • memory/1328-134-0x0000000004E10000-0x0000000004E11000-memory.dmp
                        Filesize

                        4KB

                      • memory/1328-130-0x00000000004F0000-0x00000000004F1000-memory.dmp
                        Filesize

                        4KB

                      • memory/1328-151-0x00000000060F0000-0x00000000060F1000-memory.dmp
                        Filesize

                        4KB

                      • memory/1328-135-0x0000000004D90000-0x0000000004D91000-memory.dmp
                        Filesize

                        4KB

                      • memory/1568-165-0x0000000000000000-mapping.dmp
                      • memory/1688-178-0x0000000000000000-mapping.dmp
                      • memory/1960-123-0x00000000001EA1F8-mapping.dmp
                      • memory/1960-119-0x00000000001D0000-0x00000000001F0000-memory.dmp
                        Filesize

                        128KB

                      • memory/2000-127-0x0000000000000000-mapping.dmp
                      • memory/2316-148-0x0000000004750000-0x0000000004C4E000-memory.dmp
                        Filesize

                        5.0MB

                      • memory/2316-141-0x0000000000000000-mapping.dmp
                      • memory/2452-172-0x0000000000000000-mapping.dmp
                      • memory/3164-159-0x0000000000000000-mapping.dmp
                      • memory/3344-129-0x0000000000C40000-0x0000000000CDC000-memory.dmp
                        Filesize

                        624KB

                      • memory/3344-128-0x0000000000CE0000-0x0000000000CE1000-memory.dmp
                        Filesize

                        4KB

                      • memory/3344-124-0x0000000000000000-mapping.dmp
                      • memory/3356-114-0x0000000000000000-mapping.dmp
                      • memory/3748-156-0x000000000041A1F8-mapping.dmp
                      • memory/3748-152-0x0000000000400000-0x0000000000420000-memory.dmp
                        Filesize

                        128KB

                      • memory/3788-180-0x0000000000000000-mapping.dmp
                      • memory/3788-186-0x0000000004910000-0x0000000004E0E000-memory.dmp
                        Filesize

                        5.0MB

                      • memory/3844-173-0x0000000005A30000-0x0000000005A31000-memory.dmp
                        Filesize

                        4KB

                      • memory/3844-168-0x0000000004990000-0x0000000004E8E000-memory.dmp
                        Filesize

                        5.0MB

                      • memory/3844-160-0x0000000000000000-mapping.dmp
                      • memory/4016-179-0x0000000000000000-mapping.dmp