Analysis

  • max time kernel
    8s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    08-05-2021 22:32

General

  • Target

    2df3de9bea4765e4d8f07606f32d3a0ee75b0ac7bb6d42260d67db1ee7da19a8.exe

  • Size

    2.0MB

  • MD5

    b4ceb8410dbbda0cf3b956fc0a7196d8

  • SHA1

    1b0fa08eb0b752c801165ff9ac5efef2985c436d

  • SHA256

    2df3de9bea4765e4d8f07606f32d3a0ee75b0ac7bb6d42260d67db1ee7da19a8

  • SHA512

    7e7ea891166e10953591de2d06f0f95c5952e69d5e7e69864029a228648a2345adb7f40615019ed7a40aa825695bcc21cf6c7ee30fbdcf6306fa964d191e228e

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\2df3de9bea4765e4d8f07606f32d3a0ee75b0ac7bb6d42260d67db1ee7da19a8.exe
    "C:\Users\Admin\AppData\Local\Temp\2df3de9bea4765e4d8f07606f32d3a0ee75b0ac7bb6d42260d67db1ee7da19a8.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3872
    • 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:1536
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:1296
    • 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:2208
      • 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:2604
      • 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:3760
        • 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:1064
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CFErVnozjloZ.bat" "
          4⤵
            PID:1172
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              5⤵
                PID:4012
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 10 localhost
                5⤵
                • Runs ping.exe
                PID:844
              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                5⤵
                  PID:4268
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3760 -s 2072
                4⤵
                • Program crash
                PID:2632
          • C:\Users\Admin\AppData\Local\Temp\2df3de9bea4765e4d8f07606f32d3a0ee75b0ac7bb6d42260d67db1ee7da19a8.exe
            "C:\Users\Admin\AppData\Local\Temp\2df3de9bea4765e4d8f07606f32d3a0ee75b0ac7bb6d42260d67db1ee7da19a8.exe"
            2⤵
              PID:2880
            • 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:3704
          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            1⤵
              PID:3948
              • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                2⤵
                  PID:4036
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k
                    3⤵
                      PID:3304
                  • C:\Users\Admin\AppData\Local\Temp\windef.exe
                    "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                    2⤵
                      PID:188
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                      2⤵
                        PID:4128
                      • 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:4176

                    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\CFErVnozjloZ.bat
                      MD5

                      f09f795ed472242155aaa93b020c2c01

                      SHA1

                      c3eed730f519a3bb28e20d8f2edd218db7e95d89

                      SHA256

                      b33df283dcebf24ac4b505b58bb5a0805a0b5ed6f8cb55fdf2a0c49c9134dfd0

                      SHA512

                      d000f2e95b51b956ab0d21358d11e125dba374a2aaa8d04954a8a99d23ea536d15b8193683475fa5dcd750dd40eea38f4798bf5984d8f006874d9d4b39cb8847

                    • 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

                      4e96c98d8b1cf29d4b1da68b9db8f2d8

                      SHA1

                      893bce9925dd0d0139f3d33f118fb24f0d21aeb3

                      SHA256

                      2e3a81ddfca7ab04333efee8c1eccf21bad65e918e7d6009b08d9dfe75e4afa3

                      SHA512

                      8423a6e6afbee645b9c5df07b5d93057ebd5aa3497f9ed31abe6c719d22e6b5886ca23c1600b904c4ee88f4efd3ef961e451b3afecd852962e1d0bb8c4ef042e

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

                      4e96c98d8b1cf29d4b1da68b9db8f2d8

                      SHA1

                      893bce9925dd0d0139f3d33f118fb24f0d21aeb3

                      SHA256

                      2e3a81ddfca7ab04333efee8c1eccf21bad65e918e7d6009b08d9dfe75e4afa3

                      SHA512

                      8423a6e6afbee645b9c5df07b5d93057ebd5aa3497f9ed31abe6c719d22e6b5886ca23c1600b904c4ee88f4efd3ef961e451b3afecd852962e1d0bb8c4ef042e

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

                      4e96c98d8b1cf29d4b1da68b9db8f2d8

                      SHA1

                      893bce9925dd0d0139f3d33f118fb24f0d21aeb3

                      SHA256

                      2e3a81ddfca7ab04333efee8c1eccf21bad65e918e7d6009b08d9dfe75e4afa3

                      SHA512

                      8423a6e6afbee645b9c5df07b5d93057ebd5aa3497f9ed31abe6c719d22e6b5886ca23c1600b904c4ee88f4efd3ef961e451b3afecd852962e1d0bb8c4ef042e

                    • memory/188-161-0x0000000000000000-mapping.dmp
                    • memory/188-171-0x0000000004C40000-0x0000000004C41000-memory.dmp
                      Filesize

                      4KB

                    • memory/844-157-0x0000000000000000-mapping.dmp
                    • memory/1064-150-0x0000000000000000-mapping.dmp
                    • memory/1172-154-0x0000000000000000-mapping.dmp
                    • memory/1296-118-0x0000000000000000-mapping.dmp
                    • memory/1296-132-0x0000000000A40000-0x0000000000ADC000-memory.dmp
                      Filesize

                      624KB

                    • memory/1296-131-0x0000000000AE0000-0x0000000000AE1000-memory.dmp
                      Filesize

                      4KB

                    • memory/1536-114-0x0000000000000000-mapping.dmp
                    • memory/2208-129-0x0000000004A30000-0x0000000004A31000-memory.dmp
                      Filesize

                      4KB

                    • memory/2208-121-0x0000000000180000-0x0000000000181000-memory.dmp
                      Filesize

                      4KB

                    • memory/2208-135-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
                      Filesize

                      4KB

                    • memory/2208-124-0x00000000050C0000-0x00000000050C1000-memory.dmp
                      Filesize

                      4KB

                    • memory/2208-137-0x0000000005B90000-0x0000000005B91000-memory.dmp
                      Filesize

                      4KB

                    • memory/2208-134-0x0000000004BC0000-0x00000000050BE000-memory.dmp
                      Filesize

                      5.0MB

                    • memory/2208-136-0x0000000004D80000-0x0000000004D81000-memory.dmp
                      Filesize

                      4KB

                    • memory/2208-117-0x0000000000000000-mapping.dmp
                    • memory/2604-138-0x0000000000000000-mapping.dmp
                    • memory/2880-123-0x0000000000840000-0x0000000000860000-memory.dmp
                      Filesize

                      128KB

                    • memory/2880-128-0x000000000085A1F8-mapping.dmp
                    • memory/3304-160-0x0000000000000000-mapping.dmp
                    • memory/3304-169-0x0000000000D70000-0x0000000000D71000-memory.dmp
                      Filesize

                      4KB

                    • memory/3304-170-0x0000000000CD0000-0x0000000000D6C000-memory.dmp
                      Filesize

                      624KB

                    • memory/3704-130-0x0000000000000000-mapping.dmp
                    • memory/3760-151-0x0000000006530000-0x0000000006531000-memory.dmp
                      Filesize

                      4KB

                    • memory/3760-146-0x0000000004FE0000-0x00000000054DE000-memory.dmp
                      Filesize

                      5.0MB

                    • memory/3760-139-0x0000000000000000-mapping.dmp
                    • memory/3872-133-0x0000000004130000-0x0000000004131000-memory.dmp
                      Filesize

                      4KB

                    • memory/4012-156-0x0000000000000000-mapping.dmp
                    • memory/4036-158-0x0000000000000000-mapping.dmp
                    • memory/4128-172-0x00000000008B0000-0x00000000008D0000-memory.dmp
                      Filesize

                      128KB

                    • memory/4128-176-0x00000000008CA1F8-mapping.dmp
                    • memory/4176-179-0x0000000000000000-mapping.dmp
                    • memory/4268-181-0x0000000000000000-mapping.dmp
                    • memory/4268-187-0x0000000004BC0000-0x0000000004BC1000-memory.dmp
                      Filesize

                      4KB