Analysis

  • max time kernel
    4s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2024 16:27

General

  • Target

    c47cc247ede26606a2c7ab1bdb2dd2a581c8ea848dcb90fb85914577101fc6b4.exe

  • Size

    2.0MB

  • MD5

    026f364ca18bfb1de2fdc5e5b6dd221a

  • SHA1

    2284aeff1846c786c8412b4eedb340b3f12e5643

  • SHA256

    c47cc247ede26606a2c7ab1bdb2dd2a581c8ea848dcb90fb85914577101fc6b4

  • SHA512

    ed7b13e7faf60d2de6d7d091e1123da8930b54766a009eba0b2ba6ff62615c6380be275e5eea18beac10e8b83f7eecb24cd868d0b640ad4d13c80a11c1e11a9f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYn:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y5

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Azorult family
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 3 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.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

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

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

  • Program crash 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c47cc247ede26606a2c7ab1bdb2dd2a581c8ea848dcb90fb85914577101fc6b4.exe
    "C:\Users\Admin\AppData\Local\Temp\c47cc247ede26606a2c7ab1bdb2dd2a581c8ea848dcb90fb85914577101fc6b4.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4412
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2344
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:5068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 548
          3⤵
          • Program crash
          PID:624
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1440
        • 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⤵
          • Scheduled Task/Job: Scheduled Task
          PID:732
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
            PID:2000
            • 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⤵
              • Scheduled Task/Job: Scheduled Task
              PID:1284
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NW9vsXkGJSbf.bat" "
              4⤵
                PID:3064
                • C:\Windows\SysWOW64\chcp.com
                  chcp 65001
                  5⤵
                    PID:2376
                  • C:\Windows\SysWOW64\PING.EXE
                    ping -n 10 localhost
                    5⤵
                    • System Network Configuration Discovery: Internet Connection Discovery
                    • Runs ping.exe
                    PID:3972
                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                    5⤵
                      PID:4904
                      • 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
                        6⤵
                        • Scheduled Task/Job: Scheduled Task
                        PID:2156
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 1980
                    4⤵
                    • Program crash
                    PID:224
              • C:\Users\Admin\AppData\Local\Temp\c47cc247ede26606a2c7ab1bdb2dd2a581c8ea848dcb90fb85914577101fc6b4.exe
                "C:\Users\Admin\AppData\Local\Temp\c47cc247ede26606a2c7ab1bdb2dd2a581c8ea848dcb90fb85914577101fc6b4.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                PID:3388
              • 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⤵
                • System Location Discovery: System Language Discovery
                • Scheduled Task/Job: Scheduled Task
                PID:2068
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2344 -ip 2344
              1⤵
                PID:4936
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2000 -ip 2000
                1⤵
                  PID:2992
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  1⤵
                    PID:1540
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:3536
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:3660
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 520
                            3⤵
                            • Program crash
                            PID:400
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          2⤵
                            PID:1768
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            2⤵
                              PID:2244
                            • 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⤵
                              • Scheduled Task/Job: Scheduled Task
                              PID:3908
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3536 -ip 3536
                            1⤵
                              PID:1528
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:4340
                              • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                1⤵
                                  PID:1724

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log

                                  Filesize

                                  1KB

                                  MD5

                                  10eab9c2684febb5327b6976f2047587

                                  SHA1

                                  a12ed54146a7f5c4c580416aecb899549712449e

                                  SHA256

                                  f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928

                                  SHA512

                                  7e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50

                                • C:\Users\Admin\AppData\Local\Temp\NW9vsXkGJSbf.bat

                                  Filesize

                                  208B

                                  MD5

                                  cd088d15466ff225a064d17e26dba84e

                                  SHA1

                                  39240800daed97c4351a3a4953c4ebfefc4f3500

                                  SHA256

                                  c8a39306fd5c8e8572e477f5ce452f8fbb2a850e3353743a022ee0666cf13b48

                                  SHA512

                                  3aae75e7852c2cb23fc6a90ece3a0f4363e80beccbac4dbf2532ff5d6d0b28fec7164cbbecc62d66dbdd4fc59c8311f624ccd0f6971d8d74ea3adf1c3c39bb8b

                                • 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\Roaming\Logs\12-01-2024

                                  Filesize

                                  224B

                                  MD5

                                  9528dee7222d9d0dd6b41d65606de342

                                  SHA1

                                  24c5721c6bc4607392cd28ed79068f1bdcc65b58

                                  SHA256

                                  d392589d32ce663c46869583477f38f0212a8854fc96181bf1b95a232a4dc699

                                  SHA512

                                  b735931fe1cf08231c3026660c989767844dde6fb4d04567d85c5df25c07ab64d52790e7513240755d7239e91a5dca51436913c86a93b00151e03332fd8cfa84

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

                                  Filesize

                                  2.0MB

                                  MD5

                                  4588199782e586b8674208a97412d6e2

                                  SHA1

                                  61ab13a6acbca2627a5113a18e08e830705f577d

                                  SHA256

                                  561a6439710c680c13ad9cc75ba1b72a9c3031e55a34d40afd2890ea45af867f

                                  SHA512

                                  bce603c72ca98b04d8aa5c641a470ef3c328aee83be1d45535cf847c7cf2224bd328b35abd9ddebf6342e38ac8055d108e48fc9450c74121f02a084d01cbe472

                                • memory/1440-38-0x0000000005D00000-0x0000000005D3C000-memory.dmp

                                  Filesize

                                  240KB

                                • memory/1440-33-0x0000000004F70000-0x0000000005514000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/1440-34-0x0000000004B10000-0x0000000004BA2000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/1440-35-0x0000000004BB0000-0x0000000004C16000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/1440-36-0x00000000057C0000-0x00000000057D2000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1440-37-0x0000000072C4E000-0x0000000072C4F000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1440-30-0x0000000000180000-0x00000000001DE000-memory.dmp

                                  Filesize

                                  376KB

                                • memory/1440-19-0x0000000072C4E000-0x0000000072C4F000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2000-46-0x0000000006260000-0x000000000626A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/3388-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/3388-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4412-20-0x0000000003920000-0x0000000003921000-memory.dmp

                                  Filesize

                                  4KB