Analysis

  • max time kernel
    6s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 18:30

General

  • Target

    061f2e7e383215a26deeebdda20029cb584c80d295130ec7bda87d578e42126e.exe

  • Size

    2.0MB

  • MD5

    2b75d0b0e006785720a3817122cf659f

  • SHA1

    5632d408e2463911b1e8b36b050cbc3b4a192d05

  • SHA256

    061f2e7e383215a26deeebdda20029cb584c80d295130ec7bda87d578e42126e

  • SHA512

    1025e615659298821b01b984cb0ed9d14a7c24631f509d2b436d810ca3cc08bb42e09360ebac14a19642a390309212032c9e47a86b86ad96b12961145dbb0152

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYD:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YV

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.

  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 6 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 2 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 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 11 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 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\061f2e7e383215a26deeebdda20029cb584c80d295130ec7bda87d578e42126e.exe
    "C:\Users\Admin\AppData\Local\Temp\061f2e7e383215a26deeebdda20029cb584c80d295130ec7bda87d578e42126e.exe"
    1⤵
    • Quasar RAT
    • 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:1784
    • 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:512
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 548
          3⤵
          • Program crash
          PID:348
      • 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
        • Suspicious use of WriteProcessMemory
        PID:2268
        • 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⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:312
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2772
          • 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⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:3648
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1O9oXI6AYduJ.bat" "
            4⤵
              PID:1772
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1864
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3448
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4404
                    • 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:3220
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\O1b5g16eSWlW.bat" "
                      6⤵
                        PID:1936
                        • C:\Windows\System32\Conhost.exe
                          \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                          7⤵
                            PID:1764
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            7⤵
                              PID:4292
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              7⤵
                              • System Network Configuration Discovery: Internet Connection Discovery
                              • Runs ping.exe
                              PID:3704
                            • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                              "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                              7⤵
                                PID:2704
                                • 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
                                  8⤵
                                  • Scheduled Task/Job: Scheduled Task
                                  PID:4188
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 2272
                              6⤵
                              • Program crash
                              PID:788
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 1724
                          4⤵
                          • Program crash
                          PID:5068
                    • C:\Users\Admin\AppData\Local\Temp\061f2e7e383215a26deeebdda20029cb584c80d295130ec7bda87d578e42126e.exe
                      "C:\Users\Admin\AppData\Local\Temp\061f2e7e383215a26deeebdda20029cb584c80d295130ec7bda87d578e42126e.exe"
                      2⤵
                      • System Location Discovery: System Language Discovery
                      PID:2868
                    • 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:3448
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 512 -ip 512
                    1⤵
                      PID:2472
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                      • Checks computer location settings
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of WriteProcessMemory
                      PID:3032
                      • 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:4340
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          3⤵
                            PID:4772
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 520
                            3⤵
                            • Program crash
                            PID:3060
                        • 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:1764
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          2⤵
                            PID:2616
                          • 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:3064
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4340 -ip 4340
                          1⤵
                            PID:4232
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4396,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=3872 /prefetch:8
                            1⤵
                              PID:1916
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2772 -ip 2772
                              1⤵
                                PID:3880
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4404 -ip 4404
                                1⤵
                                  PID:4788

                                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\1O9oXI6AYduJ.bat

                                  Filesize

                                  208B

                                  MD5

                                  707553d1ac7c4806748475a792ff23fc

                                  SHA1

                                  115a09f27396f15774b08f4747be85f3e1540c66

                                  SHA256

                                  2bd2fd8d5c3d2dfc05e5d5070c6b83f68b8e1b5c35039710762298bf47ede752

                                  SHA512

                                  8025e97233c406d8ab7093e871e75e2d58e912a1c33f28636ebb388d2c1f72ed3f5fff6fd905bdf5c5ed844573debc89c2b2919db98359408cf5f7c3ae1ed49e

                                • C:\Users\Admin\AppData\Local\Temp\O1b5g16eSWlW.bat

                                  Filesize

                                  208B

                                  MD5

                                  1353b336836449e6dcba1642eee36623

                                  SHA1

                                  1d2d1f34470185ed45a269d8d56e44d1249a7cc8

                                  SHA256

                                  6a7baf55699342150f8722c25b51c35460f5f4bc0ceeff6e13fa8434af83751b

                                  SHA512

                                  a9a443af4d2b6fa04caf09fa57cf7868ad164bad0b6ebc01ea786ef7e628bfeea207d73c8c0f99be33e66c00c93351a9416923eec8ac212676a071b4de6af5e7

                                • 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\08-16-2024

                                  Filesize

                                  224B

                                  MD5

                                  481134bdfb091f51caa18db42a99cbcd

                                  SHA1

                                  52e0bd54d23d2f49d9eaf52a3e844d0c793a8eff

                                  SHA256

                                  521697c8d2c6bcd1750c54c629c55de2a59988de277bcb2f556aeca5ee356b56

                                  SHA512

                                  6012841ecb30e76002a445688c9ddecc9d0260db169fd1466bb2f843931f062f903f3ab913af50ab13b0e7307b1dc660df26d0c57f0156c500461328d0ca09a3

                                • C:\Users\Admin\AppData\Roaming\Logs\08-16-2024

                                  Filesize

                                  224B

                                  MD5

                                  985eaac65474ea0ee21e57f491a0b38c

                                  SHA1

                                  6b6952e9bd84f786f4fd98b56f2371b002571c05

                                  SHA256

                                  98530e593e40cba82e4f84ab15194421d31eacfe1a8f09754520fc5b1a146686

                                  SHA512

                                  0e43dde661bcba2712298e764c988b8c9c0b90672869eda22daced3e3f16e381ab2f84a2087da28fa3fc4b9d9ff6af11558f827413de009e99c1a53bc734e683

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

                                  Filesize

                                  2.0MB

                                  MD5

                                  68120c99f6dc2bb4fa5c19bc48e27f53

                                  SHA1

                                  c82eb415296e8df9744fafc7f7764545e4da09c8

                                  SHA256

                                  c04965ddf1852c0c547e302a0a8a84416403f144ce6d026ce926cbdded37b989

                                  SHA512

                                  0ac179285075f82dc682c05110d4f7b718f257b5ffefec74d67c5633403bf4b325e186a3c7e724d1432c57bf6aa9cb7ddf99db078ead9a3602153e0cc70df30e

                                • memory/1784-19-0x0000000003D10000-0x0000000003D11000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2268-34-0x0000000004F10000-0x0000000004F76000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/2268-36-0x0000000006090000-0x00000000060CC000-memory.dmp

                                  Filesize

                                  240KB

                                • memory/2268-35-0x0000000005490000-0x00000000054A2000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2268-33-0x0000000004E30000-0x0000000004EC2000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/2268-32-0x00000000054C0000-0x0000000005A64000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/2268-29-0x0000000000510000-0x000000000056E000-memory.dmp

                                  Filesize

                                  376KB

                                • memory/2772-44-0x0000000006F50000-0x0000000006F5A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/2868-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/2868-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB