Resubmissions

16-12-2024 06:33

241216-ha7vjsylds 10

15-12-2024 22:48

241215-2rbyzs1kdz 10

Analysis

  • max time kernel
    4s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 22:48

General

  • Target

    299e2db9c107fc6e55b5fdf3cc94ceeb26fe3656237526b6f15b614c2a2d4e5cN.exe

  • Size

    2.0MB

  • MD5

    6fb49dfcb9c5989157d919612eca3340

  • SHA1

    5bed16ffcd23eb7766dae8b58cb5b5a54f2fe0bc

  • SHA256

    299e2db9c107fc6e55b5fdf3cc94ceeb26fe3656237526b6f15b614c2a2d4e5c

  • SHA512

    87ec239cd31352d248825dc6536d37d8574702a2dff3d63cdef4a2e73e0575776693bc44c83e98527ad47aeb5d1bc99de5e0eb9ad0412c163510b7a4e5953300

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYY:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y+

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.

  • Azorult family
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 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 1 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).

  • Program crash 2 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\299e2db9c107fc6e55b5fdf3cc94ceeb26fe3656237526b6f15b614c2a2d4e5cN.exe
    "C:\Users\Admin\AppData\Local\Temp\299e2db9c107fc6e55b5fdf3cc94ceeb26fe3656237526b6f15b614c2a2d4e5cN.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1692
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2976
    • 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
      PID:3012
      • 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:932
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:572
          • 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:1944
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\KhE2aTFQGCV4.bat" "
            4⤵
              PID:1436
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2736
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1236
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1580
                    • 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:2244
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd /c ""C:\Users\Admin\AppData\Local\Temp\ksfm52sbHJbs.bat" "
                      6⤵
                        PID:2812
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1580 -s 1440
                        6⤵
                        • Program crash
                        PID:1692
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 572 -s 1524
                    4⤵
                    • Program crash
                    PID:1676
              • C:\Users\Admin\AppData\Local\Temp\299e2db9c107fc6e55b5fdf3cc94ceeb26fe3656237526b6f15b614c2a2d4e5cN.exe
                "C:\Users\Admin\AppData\Local\Temp\299e2db9c107fc6e55b5fdf3cc94ceeb26fe3656237526b6f15b614c2a2d4e5cN.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                PID:2932
              • 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:2828
            • C:\Windows\system32\taskeng.exe
              taskeng.exe {B16C1485-3D38-4802-9E8B-43FBB2D2BDDA} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
              1⤵
                PID:2336
                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                  2⤵
                    PID:1800
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      3⤵
                        PID:2380
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          4⤵
                            PID:2356
                        • C:\Users\Admin\AppData\Local\Temp\windef.exe
                          "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                          3⤵
                            PID:2232
                          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                            "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                            3⤵
                              PID:840
                            • 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
                              3⤵
                              • Scheduled Task/Job: Scheduled Task
                              PID:2064

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\KhE2aTFQGCV4.bat

                          Filesize

                          208B

                          MD5

                          faf1978740be30934341f595ce55c875

                          SHA1

                          dc5036a6a62c9d0faaa297ef5a765963279426da

                          SHA256

                          78ba6e27931ccc2934642948602c198e040bb2d4991ba82b0a0f3b8e91a987bb

                          SHA512

                          f3dd372ca00fcc316243ef0004a0508a6701cc05c6e89db1bf1e025794e2e30ef9e8ea20a7ad85a30f68d9c751bc1efc94d02525a2dd597ad4987fc141026c49

                        • C:\Users\Admin\AppData\Local\Temp\ksfm52sbHJbs.bat

                          Filesize

                          208B

                          MD5

                          5282145d68b1acf689988fed7e1444cd

                          SHA1

                          e49674a541a79739e88dea39895de02e61eaf31f

                          SHA256

                          d1c6c464a5c7e26286863c97f8644fefc9fe7fb2513d6daa1133e81ca45f8222

                          SHA512

                          3cf5cc7934e1f2190c5f08d99dc4fe916eef213737d3b9ddf5da207d1ed23e4aa614a6e33788d072d464b96628d6a4705829eee753dbf53d1ccb2ae26a98fe67

                        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\SIFH16NE.txt

                          Filesize

                          213B

                          MD5

                          bd0eea4f0ba5bfc3273185ddbf9d79e6

                          SHA1

                          5844fc128645133bbedc451fca3a3361c6c8caeb

                          SHA256

                          eda434ec605b70e58ab47d2e9f9e0cbc2d9368f138c0ecbe402fa57862fd232f

                          SHA512

                          504bcbe510e264024a5125f20e2246b0902740225e7e99f72a395036030c6e4a2cc4b37d2d0f77f73cc26203b5968b07cd372e9cca5638f6221b305d0f4c60d3

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

                          Filesize

                          2.0MB

                          MD5

                          a3a740fb36afaf38be80e6b96e8ef6d4

                          SHA1

                          af2023deb5fe672a287e3701aa976bb1e2a914d5

                          SHA256

                          3d364825a0725b253a02a889522fc19370e80858be1a70ee8ca8f8df63fcf4f5

                          SHA512

                          e611142468c0bce0414c9c202406a656c446b2f9ddf179b247e7b2304521890ad80eb87aef1555e04186dec60877d953d228bea282ed13a57e4dc12cb5b21fa8

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

                          Filesize

                          405KB

                          MD5

                          b8ba87ee4c3fc085a2fed0d839aadce1

                          SHA1

                          b3a2e3256406330e8b1779199bb2b9865122d766

                          SHA256

                          4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                          SHA512

                          7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

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

                          Filesize

                          349KB

                          MD5

                          b4a202e03d4135484d0e730173abcc72

                          SHA1

                          01b30014545ea526c15a60931d676f9392ea0c70

                          SHA256

                          7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                          SHA512

                          632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                        • memory/572-66-0x0000000001350000-0x00000000013AE000-memory.dmp

                          Filesize

                          376KB

                        • memory/840-116-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                          Filesize

                          4KB

                        • memory/1580-138-0x0000000001350000-0x00000000013AE000-memory.dmp

                          Filesize

                          376KB

                        • memory/2232-110-0x0000000001320000-0x000000000137E000-memory.dmp

                          Filesize

                          376KB

                        • memory/2356-95-0x0000000000400000-0x000000000049C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2356-91-0x0000000000400000-0x000000000049C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2356-90-0x000007FFFFFDB000-0x000007FFFFFDC000-memory.dmp

                          Filesize

                          4KB

                        • memory/2528-30-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

                          Filesize

                          4KB

                        • memory/2932-34-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/2932-53-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/2932-43-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                          Filesize

                          4KB

                        • memory/2932-36-0x0000000000080000-0x00000000000A0000-memory.dmp

                          Filesize

                          128KB

                        • memory/2976-68-0x0000000000400000-0x000000000049C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2976-31-0x0000000000020000-0x0000000000021000-memory.dmp

                          Filesize

                          4KB

                        • memory/2976-33-0x000007FFFFFDB000-0x000007FFFFFDC000-memory.dmp

                          Filesize

                          4KB

                        • memory/2976-41-0x0000000000020000-0x0000000000021000-memory.dmp

                          Filesize

                          4KB

                        • memory/2976-52-0x0000000000400000-0x000000000049C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2976-46-0x0000000000400000-0x000000000049C000-memory.dmp

                          Filesize

                          624KB

                        • memory/2976-50-0x0000000000400000-0x000000000049C000-memory.dmp

                          Filesize

                          624KB

                        • memory/3012-56-0x0000000001080000-0x00000000010DE000-memory.dmp

                          Filesize

                          376KB