Analysis

  • max time kernel
    5s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 10:02

General

  • Target

    e5c0703597516cb6a38bf84e76048ccdee75fcd3196d8d789765af0189203795N.exe

  • Size

    2.0MB

  • MD5

    eac57720e726a0705e982a4e43d7b930

  • SHA1

    5a709e723524cd5ef0549605b9071a10debec06c

  • SHA256

    e5c0703597516cb6a38bf84e76048ccdee75fcd3196d8d789765af0189203795

  • SHA512

    dfb27803678056fc26d83263ab74ec38c01395c9dc360f3240d11517169d4f5ddf5ebdacca6e5c7bd009d68bc87ea6a1e62e65de07afca692f56cfc43971b1f6

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yd

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\e5c0703597516cb6a38bf84e76048ccdee75fcd3196d8d789765af0189203795N.exe
    "C:\Users\Admin\AppData\Local\Temp\e5c0703597516cb6a38bf84e76048ccdee75fcd3196d8d789765af0189203795N.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:4836
    • 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:1456
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:780
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 548
          3⤵
          • Program crash
          PID:3880
      • 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:3044
        • 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:3952
        • 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:2944
          • 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:232
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DCD7Fpwp7yfM.bat" "
            4⤵
              PID:3108
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4488
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:32
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1848
                    • 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:2876
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\bmkcH5kr7mYt.bat" "
                      6⤵
                        PID:4448
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:3600
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:3404
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4472
                              • 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:3700
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 1772
                            6⤵
                            • Program crash
                            PID:752
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 2268
                        4⤵
                        • Program crash
                        PID:4336
                  • C:\Users\Admin\AppData\Local\Temp\e5c0703597516cb6a38bf84e76048ccdee75fcd3196d8d789765af0189203795N.exe
                    "C:\Users\Admin\AppData\Local\Temp\e5c0703597516cb6a38bf84e76048ccdee75fcd3196d8d789765af0189203795N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2144
                  • 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:4336
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1456 -ip 1456
                  1⤵
                    PID:1712
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:908
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4004
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2780
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 520
                              3⤵
                              • Program crash
                              PID:932
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3624
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:2392
                              • 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:4304
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4004 -ip 4004
                              1⤵
                                PID:2560
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2944 -ip 2944
                                1⤵
                                  PID:680
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1848 -ip 1848
                                  1⤵
                                    PID:2388

                                  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\DCD7Fpwp7yfM.bat

                                    Filesize

                                    208B

                                    MD5

                                    f1355af18fb67101ec24542f9678f7f6

                                    SHA1

                                    f88a245f867beb04ab633e034b5390ad1b2de177

                                    SHA256

                                    c93552eee46481038fe94f5930fd9818af03bf811805a9b42c21db633d2f025b

                                    SHA512

                                    68f4e12c37a333d01303b9c7c971c98c5212cccdb9b5476538af767888cc3663d5b28bc318e93a7933fe6c38fdc0401afd4f569bcdfe19f88f00c66161e6bd40

                                  • C:\Users\Admin\AppData\Local\Temp\bmkcH5kr7mYt.bat

                                    Filesize

                                    208B

                                    MD5

                                    966ddecdcb0bf5a32fbdf01fb49a4c88

                                    SHA1

                                    919b8f629937fa8b9e4ff0af96f1717dfdd847ff

                                    SHA256

                                    86f21489e8393befc1769fc3523a9bd5e0b583e8734456e6db3c5c0a41bc9396

                                    SHA512

                                    93b2edff05aeac8694cc281a9ff2fb462df2d1da680774d211295e6cfc4f0cb1bc2a310cde243e45952a0b72b5feb05b1cc67f21226d7b2ddf488674f198943b

                                  • 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\01-07-2025

                                    Filesize

                                    224B

                                    MD5

                                    101de6ff59392415467e7499c0f83bf0

                                    SHA1

                                    6c1ed5835531eeab02dd98458e032226bc36183a

                                    SHA256

                                    d0c4ae358e5d52372fe3732ee8df1a6c946491eb584d6523e0bc3635c55a8cce

                                    SHA512

                                    1d1802c5baca7de923968c46d500110ab8f81c259918e01cb8a27fbb24714c5869be7a94193e219db3b2e345390d8a93be28e4441a3db6f40badda92c063542f

                                  • C:\Users\Admin\AppData\Roaming\Logs\01-07-2025

                                    Filesize

                                    224B

                                    MD5

                                    b87e0c581d41113256543f7334133702

                                    SHA1

                                    9228f0eeb7e528ce53588e0de45d3d08e4428119

                                    SHA256

                                    f726d3a71c0844e1432e3528a643af7f63397e302d48c63ee092697d793f7e45

                                    SHA512

                                    5810058d4120b4be51a12b89f9ab27e0b7db7a789c8a635768d0a086eca0247facb43eb8ebd36fdd6df68f66203973769dfb7c1a8b675792c1e575447b1ef2a6

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    09e985a2de2c3b7083275f1239dfa1f1

                                    SHA1

                                    f563b73c5916483eb2a22e6f79c9af0e14cd9411

                                    SHA256

                                    f23b886fd059ccba6087f810055506b07db32f3b93e77d7604f7212be2f02231

                                    SHA512

                                    a1f98d956aafb83df00a5399888bb0ad07b57a16c7b71902de2b9881a9f9c8c7fbeab212a2f8cd3202c948ddfb23c3dbd3fa8ae62f8af6d1088aa5f2bba8bb6f

                                  • memory/908-88-0x0000000076B00000-0x0000000076BD3000-memory.dmp

                                    Filesize

                                    844KB

                                  • memory/2144-28-0x0000000000A00000-0x0000000000A20000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2144-21-0x0000000000A00000-0x0000000000A20000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2392-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2392-67-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2944-45-0x0000000006310000-0x000000000631A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3044-29-0x0000000072A5E000-0x0000000072A5F000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3044-37-0x0000000006790000-0x00000000067CC000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/3044-36-0x0000000006250000-0x0000000006262000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3044-35-0x0000000005620000-0x0000000005686000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/3044-34-0x0000000005580000-0x0000000005612000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/3044-33-0x0000000005B30000-0x00000000060D4000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/3044-30-0x0000000000C20000-0x0000000000C7E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/4836-19-0x00000000043C0000-0x00000000043C1000-memory.dmp

                                    Filesize

                                    4KB