Analysis

  • max time kernel
    5s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-01-2025 12:56

General

  • Target

    3ef7a2f1d060f050b9c979d7f1257b48000f2228221963fa24aa37fb703a1fc9.exe

  • Size

    2.0MB

  • MD5

    26dd4843ac07ce279ede80af797454f0

  • SHA1

    a62bf5ce5ffd33cad66c8c134ba215082aedd81a

  • SHA256

    3ef7a2f1d060f050b9c979d7f1257b48000f2228221963fa24aa37fb703a1fc9

  • SHA512

    85caff9b20456ad3ac5a654dd56f34a5508236d96cc84c4cfe92ce085adfaad1094c9770cc2501390c3b1dd642b4158ee8b5e28ce940f5dbca89902269e5ee7e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYZ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yf

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 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 3 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 8 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ef7a2f1d060f050b9c979d7f1257b48000f2228221963fa24aa37fb703a1fc9.exe
    "C:\Users\Admin\AppData\Local\Temp\3ef7a2f1d060f050b9c979d7f1257b48000f2228221963fa24aa37fb703a1fc9.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:4440
    • 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:2128
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3420
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 540
          3⤵
          • Program crash
          PID:2116
      • 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:3436
        • 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:5044
        • 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:2332
          • 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:1932
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MXZeoCZu8RKM.bat" "
            4⤵
              PID:3628
              • 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:3784
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2180
                    • 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:212
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\jA1vxvZN2KBZ.bat" "
                      6⤵
                        PID:3712
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3324
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3992
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1260
                              • 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:3028
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 2004
                            6⤵
                            • Program crash
                            PID:1456
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 1772
                        4⤵
                        • Program crash
                        PID:3048
                  • C:\Users\Admin\AppData\Local\Temp\3ef7a2f1d060f050b9c979d7f1257b48000f2228221963fa24aa37fb703a1fc9.exe
                    "C:\Users\Admin\AppData\Local\Temp\3ef7a2f1d060f050b9c979d7f1257b48000f2228221963fa24aa37fb703a1fc9.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:536
                  • 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:4648
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2128 -ip 2128
                  1⤵
                    PID:3260
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2332 -ip 2332
                    1⤵
                      PID:2212
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:2272
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3596
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:1152
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 520
                                3⤵
                                • Program crash
                                PID:5044
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:3520
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:1636
                                • 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:4388
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3596 -ip 3596
                                1⤵
                                  PID:4800
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 2180 -ip 2180
                                  1⤵
                                    PID:2976

                                  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\MXZeoCZu8RKM.bat

                                    Filesize

                                    208B

                                    MD5

                                    ddc00874ab32ba74e7964b330242ea4a

                                    SHA1

                                    f0c76ee924587e1dae34dcd37049b371316afd54

                                    SHA256

                                    58b8eaaa834baed29b194e6030a5f084f915e636eeaff836651138b73948fe31

                                    SHA512

                                    f527f59ecdadabc46985138592f1b92aea34166bd33b88ed767e0de011cc19d1b8fbdbcfa08a77730388628f8534ce46810606a04a6620946d68335cd917c812

                                  • C:\Users\Admin\AppData\Local\Temp\jA1vxvZN2KBZ.bat

                                    Filesize

                                    208B

                                    MD5

                                    7f26c9cf584a5aa48c69aa03870a3e20

                                    SHA1

                                    667a7e6c581e30ab582db6dccda6f5cc7daba1a4

                                    SHA256

                                    210bd885c2de2ed438f26f6957b35c7b4906b619468d760c4c1a18da18278015

                                    SHA512

                                    311c35e5a4c06a885f2ef7e1fcb2d94f2e5f635127e297e82546139cea5e58e780ad9275f5e268a6035d58780b2519f76e8ede10aa466416fd2972bd3a5ff080

                                  • 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\01-08-2025

                                    Filesize

                                    224B

                                    MD5

                                    7714fdbb57e5337fabea5e1edf8d94a7

                                    SHA1

                                    37f11cb3c359867c8dd92b5b805ae27621e9abc4

                                    SHA256

                                    20f27043ec30ef370bb24dab73919cd98f720611faf548c97750ddf4dff7395c

                                    SHA512

                                    36e36076d755bf95ffeba2b41e33dfe3ea92f67e9e68ebe9dbb62b908030d80e672459a986df9cb2339ce933859aa1c7c8205eed2f5d53bf40dee62cbd58fdb9

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    5de67c482a86fb363b727818cafad4b3

                                    SHA1

                                    dbcdceb5a5473150604eb090e04080d5c8d4ee27

                                    SHA256

                                    bc293b47b80763424f137adeabb912cc9f668807e263a8d6c3919e754b37a946

                                    SHA512

                                    bc91c414157f1a14ea321c58e1e544dde2761332755562a32eb32dd007cc005dfa491e1a98e71d994bf27b55f02c3d576aa02855b26d69b77e38167fb71d59db

                                  • memory/536-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/536-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2332-45-0x0000000006620000-0x000000000662A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3436-37-0x0000000006230000-0x000000000626C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/3436-36-0x0000000005CF0000-0x0000000005D02000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3436-35-0x00000000050C0000-0x0000000005126000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/3436-34-0x0000000004FF0000-0x0000000005082000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/3436-33-0x00000000054C0000-0x0000000005A64000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/3436-30-0x0000000000570000-0x00000000005CE000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/3436-29-0x00000000737EE000-0x00000000737EF000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4440-19-0x0000000003F90000-0x0000000003F91000-memory.dmp

                                    Filesize

                                    4KB