Analysis

  • max time kernel
    118s
  • max time network
    236s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2023 23:35

General

  • Target

    NEAS.0a65e88d8ac5d6a9d718703963ab0180.exe

  • Size

    2.0MB

  • MD5

    0a65e88d8ac5d6a9d718703963ab0180

  • SHA1

    4bb05b85b2b7869f8920708809f381e6ac14bbbd

  • SHA256

    ee243488f82668e8ee37055eaedc72240d10f5ce9b1c0e064104c3d3e3d7961a

  • SHA512

    8398838a15fec4dd3dea669fa3e9a3c2a0ed232327d6b3273a9e7cff381d3a12a90156913a06f56a0fd86bf6e5f3814ed815f9f4c868df2561aab5cf6316c4a3

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYd:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YH

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

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.

  • Quasar payload 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 23 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.

  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.0a65e88d8ac5d6a9d718703963ab0180.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.0a65e88d8ac5d6a9d718703963ab0180.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4592
    • 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:1672
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:1716
    • C:\Users\Admin\AppData\Local\Temp\windef.exe
      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
      2⤵
      • Executes dropped EXE
      PID:3284
      • 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:768
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:4372
      • C:\Users\Admin\AppData\Local\Temp\NEAS.0a65e88d8ac5d6a9d718703963ab0180.exe
        "C:\Users\Admin\AppData\Local\Temp\NEAS.0a65e88d8ac5d6a9d718703963ab0180.exe"
        2⤵
          PID:3840
        • 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:4312
      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
        C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
        1⤵
          PID:2856
          • C:\Users\Admin\AppData\Local\Temp\vnc.exe
            "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
            2⤵
              PID:1460
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k
                3⤵
                  PID:3952
              • C:\Users\Admin\AppData\Local\Temp\windef.exe
                "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                2⤵
                  PID:2244
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                  2⤵
                    PID:4712
                  • 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:1676

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                  Filesize

                  405KB

                  MD5

                  b8ba87ee4c3fc085a2fed0d839aadce1

                  SHA1

                  b3a2e3256406330e8b1779199bb2b9865122d766

                  SHA256

                  4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                  SHA512

                  7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                  Filesize

                  405KB

                  MD5

                  b8ba87ee4c3fc085a2fed0d839aadce1

                  SHA1

                  b3a2e3256406330e8b1779199bb2b9865122d766

                  SHA256

                  4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                  SHA512

                  7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                  Filesize

                  405KB

                  MD5

                  b8ba87ee4c3fc085a2fed0d839aadce1

                  SHA1

                  b3a2e3256406330e8b1779199bb2b9865122d766

                  SHA256

                  4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                  SHA512

                  7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                  Filesize

                  405KB

                  MD5

                  b8ba87ee4c3fc085a2fed0d839aadce1

                  SHA1

                  b3a2e3256406330e8b1779199bb2b9865122d766

                  SHA256

                  4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                  SHA512

                  7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                • C:\Users\Admin\AppData\Local\Temp\windef.exe

                  Filesize

                  349KB

                  MD5

                  b4a202e03d4135484d0e730173abcc72

                  SHA1

                  01b30014545ea526c15a60931d676f9392ea0c70

                  SHA256

                  7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                  SHA512

                  632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                • C:\Users\Admin\AppData\Local\Temp\windef.exe

                  Filesize

                  349KB

                  MD5

                  b4a202e03d4135484d0e730173abcc72

                  SHA1

                  01b30014545ea526c15a60931d676f9392ea0c70

                  SHA256

                  7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                  SHA512

                  632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                • C:\Users\Admin\AppData\Local\Temp\windef.exe

                  Filesize

                  349KB

                  MD5

                  b4a202e03d4135484d0e730173abcc72

                  SHA1

                  01b30014545ea526c15a60931d676f9392ea0c70

                  SHA256

                  7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                  SHA512

                  632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                • C:\Users\Admin\AppData\Local\Temp\windef.exe

                  Filesize

                  349KB

                  MD5

                  b4a202e03d4135484d0e730173abcc72

                  SHA1

                  01b30014545ea526c15a60931d676f9392ea0c70

                  SHA256

                  7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                  SHA512

                  632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

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

                  Filesize

                  2.0MB

                  MD5

                  ba25a2816801ff0c857fa0960aa1e56e

                  SHA1

                  e79a0c763349fe16e1e621a16c95ec409d3a85e8

                  SHA256

                  de592c92e08e74ba6b2a9be688bfa0bb97380691c2bede2ea0f814246633dd3c

                  SHA512

                  6d8ae1eb99bb9aeca3d057213d55f99488fad297390ad622f912a681c96847c19a4a00bf96936184c6a617529aa6d36ccc5db126335857d2552fcdf73363b9da

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

                  Filesize

                  2.0MB

                  MD5

                  ba25a2816801ff0c857fa0960aa1e56e

                  SHA1

                  e79a0c763349fe16e1e621a16c95ec409d3a85e8

                  SHA256

                  de592c92e08e74ba6b2a9be688bfa0bb97380691c2bede2ea0f814246633dd3c

                  SHA512

                  6d8ae1eb99bb9aeca3d057213d55f99488fad297390ad622f912a681c96847c19a4a00bf96936184c6a617529aa6d36ccc5db126335857d2552fcdf73363b9da

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

                  Filesize

                  2.0MB

                  MD5

                  ba25a2816801ff0c857fa0960aa1e56e

                  SHA1

                  e79a0c763349fe16e1e621a16c95ec409d3a85e8

                  SHA256

                  de592c92e08e74ba6b2a9be688bfa0bb97380691c2bede2ea0f814246633dd3c

                  SHA512

                  6d8ae1eb99bb9aeca3d057213d55f99488fad297390ad622f912a681c96847c19a4a00bf96936184c6a617529aa6d36ccc5db126335857d2552fcdf73363b9da

                • memory/1716-33-0x0000000000A20000-0x0000000000A21000-memory.dmp

                  Filesize

                  4KB

                • memory/1716-36-0x0000000000980000-0x0000000000A1C000-memory.dmp

                  Filesize

                  624KB

                • memory/1716-30-0x0000000000980000-0x0000000000A1C000-memory.dmp

                  Filesize

                  624KB

                • memory/1716-44-0x0000000000980000-0x0000000000A1C000-memory.dmp

                  Filesize

                  624KB

                • memory/2244-80-0x0000000072990000-0x0000000073140000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2244-73-0x0000000072990000-0x0000000073140000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2244-74-0x0000000005570000-0x0000000005580000-memory.dmp

                  Filesize

                  64KB

                • memory/2856-81-0x0000000003640000-0x0000000003641000-memory.dmp

                  Filesize

                  4KB

                • memory/3284-42-0x00000000054F0000-0x0000000005500000-memory.dmp

                  Filesize

                  64KB

                • memory/3284-29-0x0000000005AD0000-0x0000000006074000-memory.dmp

                  Filesize

                  5.6MB

                • memory/3284-47-0x0000000006620000-0x0000000006632000-memory.dmp

                  Filesize

                  72KB

                • memory/3284-25-0x0000000072990000-0x0000000073140000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3284-24-0x0000000000AA0000-0x0000000000AFE000-memory.dmp

                  Filesize

                  376KB

                • memory/3284-45-0x0000000005A60000-0x0000000005AC6000-memory.dmp

                  Filesize

                  408KB

                • memory/3284-43-0x0000000072990000-0x0000000073140000-memory.dmp

                  Filesize

                  7.7MB

                • memory/3284-78-0x0000000006A60000-0x0000000006A9C000-memory.dmp

                  Filesize

                  240KB

                • memory/3284-77-0x00000000054F0000-0x0000000005500000-memory.dmp

                  Filesize

                  64KB

                • memory/3284-41-0x00000000055C0000-0x0000000005652000-memory.dmp

                  Filesize

                  584KB

                • memory/3840-18-0x0000000000400000-0x0000000000420000-memory.dmp

                  Filesize

                  128KB

                • memory/3840-38-0x0000000000400000-0x0000000000420000-memory.dmp

                  Filesize

                  128KB

                • memory/3952-75-0x0000000000760000-0x0000000000761000-memory.dmp

                  Filesize

                  4KB

                • memory/3952-76-0x00000000006C0000-0x000000000075C000-memory.dmp

                  Filesize

                  624KB

                • memory/3952-62-0x00000000006C0000-0x000000000075C000-memory.dmp

                  Filesize

                  624KB

                • memory/3952-58-0x00000000006C0000-0x000000000075C000-memory.dmp

                  Filesize

                  624KB

                • memory/4592-19-0x0000000001580000-0x0000000001581000-memory.dmp

                  Filesize

                  4KB