Analysis

  • max time kernel
    4s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 10:13

General

  • Target

    3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe

  • Size

    2.0MB

  • MD5

    6845e591eb8e4ae6ed050f660f8b033d

  • SHA1

    ee37cea5a67e37fb093defc2de51b25a02ad3e65

  • SHA256

    3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566

  • SHA512

    25eab1af5ea0b10a0e793618b7d00c863087ecb9cf6fd7673eba12511c4dc942c6c49e6d4c44940220ba9a30cceb6752d68db5bc8ac581a7c55ca84a3579e231

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

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 3 IoCs

    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 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 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 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe
    "C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.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:4296
    • 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:3020
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 548
          3⤵
          • Program crash
          PID:2184
      • 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:2096
        • 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:2444
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
            PID:3372
            • 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:4916
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\jJGgZY9lu3jY.bat" "
              4⤵
                PID:4984
                • C:\Windows\SysWOW64\chcp.com
                  chcp 65001
                  5⤵
                    PID:4668
                  • C:\Windows\SysWOW64\PING.EXE
                    ping -n 10 localhost
                    5⤵
                    • System Network Configuration Discovery: Internet Connection Discovery
                    • Runs ping.exe
                    PID:2080
                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                    5⤵
                      PID:4140
                      • 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:1980
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\kiSwddBhF0wg.bat" "
                        6⤵
                          PID:3208
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            7⤵
                              PID:5060
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              7⤵
                              • System Network Configuration Discovery: Internet Connection Discovery
                              • Runs ping.exe
                              PID:1524
                            • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                              "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                              7⤵
                                PID:116
                                • 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:3776
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 1952
                              6⤵
                              • Program crash
                              PID:3560
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 2248
                          4⤵
                          • Program crash
                          PID:4692
                    • C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe
                      "C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe"
                      2⤵
                      • System Location Discovery: System Language Discovery
                      PID:2264
                    • 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:3728
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3020 -ip 3020
                    1⤵
                      PID:3280
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:904
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3624
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:4536
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 520
                                3⤵
                                • Program crash
                                PID:1312
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2708
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2156
                                • 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:3184
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 3624 -ip 3624
                                1⤵
                                  PID:3536
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3372 -ip 3372
                                  1⤵
                                    PID:3252
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4140 -ip 4140
                                    1⤵
                                      PID:1072

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    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\jJGgZY9lu3jY.bat

                                      Filesize

                                      208B

                                      MD5

                                      62620876fd90e292c344d34d10634c49

                                      SHA1

                                      9ca36755457ec678f46b57b6786ab783b24378e6

                                      SHA256

                                      8d411bbec7f1d75f97b94ef1d775bd46f81e443d223f6cb83cd2893166fed136

                                      SHA512

                                      c82c354da8e04104b97ec57d8fd51bf85cbf2c43741c68227b9d6e083560812a64e8d9edfd0ed7ce70d61f3da0fda81f4b27e285c78dfd83bbf250bb1aa4bbe5

                                    • C:\Users\Admin\AppData\Local\Temp\kiSwddBhF0wg.bat

                                      Filesize

                                      208B

                                      MD5

                                      bbf24267132edddbd5a414487bd7e5c8

                                      SHA1

                                      ad65f5a22cadb3d0a43710e8e1e828da29c49962

                                      SHA256

                                      32ce11c68a58babd29b8ce9207bcac7ee9aa8d308bbf97788e8b821ebfc4e61f

                                      SHA512

                                      91e12916eb56b5d33738f98654348bbefba407188bd5a9bd830232ddfbf6ef99cded9f630e3d1f607158ed79715b04aeb89482611d20137072f39f5eff2ea46e

                                    • 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\11-25-2024

                                      Filesize

                                      224B

                                      MD5

                                      04355e776aaba3151acd2c5ab141e344

                                      SHA1

                                      df670a7bbdc5f013f325527bb329d2777f7e22fd

                                      SHA256

                                      0c524b2da9b925afd325c68553651f3bf7bf83a52af150100942270a544a112f

                                      SHA512

                                      a26b124dd09df951df304b663c512a5915113594515325be5d9b0c29606cabc6fdd7f4f3d0f438ce7eed72542b6c39ef225307ad8c888ddf70c6e33c7ca4c0e9

                                    • C:\Users\Admin\AppData\Roaming\Logs\11-25-2024

                                      Filesize

                                      224B

                                      MD5

                                      f148b2623a0daa233149293dfb17b397

                                      SHA1

                                      d770aa5f95c501307a1768f9749bc9e4e69471b1

                                      SHA256

                                      7fd8d7bb746914e0c2f8af377d09252292fa32da754384314bd959664393f8e8

                                      SHA512

                                      155e2e0cf8e00192a3e4f31b8cd80ed1f002c69804d7c1c2afaa3ea73631a212715145a7f0790a19103802b14bd7e0e6d1d6f3d951e643594366ba700e53984b

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

                                      Filesize

                                      2.0MB

                                      MD5

                                      38b8ec94c004bee27d3f5d7dc58cb49b

                                      SHA1

                                      f79a211404434a42a39028e2fd80cfb48d36f1a4

                                      SHA256

                                      4018825d4ef0c87f3d5f9ae0d7a6094c9ee04bf635abef51c7e6bc1838a24841

                                      SHA512

                                      60501758ffc6e2d5092049c27bc632f2c5dd040262324f08f020eca3315ecc5f71b1f67436a35f81c4eb2caaf03cb7af144696a4fda9fab0dd6ab1a973cff553

                                    • memory/2096-36-0x0000000005F50000-0x0000000005F62000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2096-35-0x0000000005360000-0x00000000053C6000-memory.dmp

                                      Filesize

                                      408KB

                                    • memory/2096-34-0x00000000052C0000-0x0000000005352000-memory.dmp

                                      Filesize

                                      584KB

                                    • memory/2096-37-0x0000000006490000-0x00000000064CC000-memory.dmp

                                      Filesize

                                      240KB

                                    • memory/2096-33-0x0000000005740000-0x0000000005CE4000-memory.dmp

                                      Filesize

                                      5.6MB

                                    • memory/2096-32-0x00000000007D0000-0x000000000082E000-memory.dmp

                                      Filesize

                                      376KB

                                    • memory/2096-29-0x0000000072CFE000-0x0000000072CFF000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2156-67-0x0000000000820000-0x0000000000840000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2156-73-0x0000000000820000-0x0000000000840000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2264-28-0x0000000000360000-0x0000000000380000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2264-20-0x0000000000360000-0x0000000000380000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/3372-45-0x0000000006490000-0x000000000649A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/4296-19-0x00000000048E0000-0x00000000048E1000-memory.dmp

                                      Filesize

                                      4KB