Analysis

  • max time kernel
    5s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2024 17:49

General

  • Target

    d45c242007c1a7f217a2a4b6dbf958cee3b0b822c3429f10e2c906aa93c30df1.exe

  • Size

    2.0MB

  • MD5

    1f5b62291bf8b27a1b18bd51a359a7ea

  • SHA1

    9366b653c81efb5b3aaf308c5cb2bc165e16aa2c

  • SHA256

    d45c242007c1a7f217a2a4b6dbf958cee3b0b822c3429f10e2c906aa93c30df1

  • SHA512

    16be59938b57a072b2676109defef27ea504821ea1226288464d158d95bf3f304538a5be7409756dd532829766809287ab53bc4e6f816be35686a58c65710174

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY2:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y8

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
  • Detects Windows executables referencing non-Windows User-Agents 3 IoCs
  • Detects executables containing common artifacts observed in infostealers 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
  • Creates scheduled task(s) 1 TTPs 6 IoCs

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

  • Runs ping.exe 1 TTPs 2 IoCs
  • 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\d45c242007c1a7f217a2a4b6dbf958cee3b0b822c3429f10e2c906aa93c30df1.exe
    "C:\Users\Admin\AppData\Local\Temp\d45c242007c1a7f217a2a4b6dbf958cee3b0b822c3429f10e2c906aa93c30df1.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4500
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 548
          3⤵
          • Program crash
          PID:3672
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4352
        • 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⤵
          • Creates scheduled task(s)
          PID:1332
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3304
          • 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⤵
            • Creates scheduled task(s)
            PID:5076
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JdSPFCHTfvb5.bat" "
            4⤵
              PID:1980
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2564
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:1648
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4976
                    • 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⤵
                      • Creates scheduled task(s)
                      PID:3196
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E3libzKXP95z.bat" "
                      6⤵
                        PID:3972
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2924
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • Runs ping.exe
                            PID:1236
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:4948
                              • 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⤵
                                • Creates scheduled task(s)
                                PID:2308
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 1976
                            6⤵
                            • Program crash
                            PID:3360
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 2220
                        4⤵
                        • Program crash
                        PID:1152
                  • C:\Users\Admin\AppData\Local\Temp\d45c242007c1a7f217a2a4b6dbf958cee3b0b822c3429f10e2c906aa93c30df1.exe
                    "C:\Users\Admin\AppData\Local\Temp\d45c242007c1a7f217a2a4b6dbf958cee3b0b822c3429f10e2c906aa93c30df1.exe"
                    2⤵
                      PID:4316
                    • 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⤵
                      • Quasar RAT
                      • Creates scheduled task(s)
                      PID:1424
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2864 -ip 2864
                    1⤵
                      PID:4244
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3568
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3584
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:1348
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3584 -s 520
                                3⤵
                                • Program crash
                                PID:4052
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:2332
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2600
                                • 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⤵
                                  • Creates scheduled task(s)
                                  PID:1492
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3584 -ip 3584
                                1⤵
                                  PID:1652
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3304 -ip 3304
                                  1⤵
                                    PID:1580
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4976 -ip 4976
                                    1⤵
                                      PID:2064
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:3524
                                        • C:\Windows\explorer.exe
                                          explorer.exe /LOADSAVEDWINDOWS
                                          2⤵
                                            PID:4604

                                        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\E3libzKXP95z.bat

                                          Filesize

                                          208B

                                          MD5

                                          386075e239a4a8c7475f9ded837935de

                                          SHA1

                                          b34cd56259896db7a5f2c025a337808e14f64dab

                                          SHA256

                                          3f0361b87c33ca0df096d1909c5d1048f9b0270f2a7e9d82ce14cf1df82efa8c

                                          SHA512

                                          4895d2f266ef5fdfbc0c09d7ea2e3bf5bcf411b5517b56283eb55644157a8f842536c2e52a455e0bd6d4afa76cde84d3f2f2229e38790860998fd4b7b618a90d

                                        • C:\Users\Admin\AppData\Local\Temp\JdSPFCHTfvb5.bat

                                          Filesize

                                          208B

                                          MD5

                                          a527012cd06b959c9a997929d7f4fb25

                                          SHA1

                                          16bb2c7745dd1b610eb6e5010da2cdf1a84bf835

                                          SHA256

                                          71e65bd77fefa6284244a8cbfaaa8541ae2e35e5cbcce9905b6a10ab5871179f

                                          SHA512

                                          9cbd9e344b5518a2b912007916f3da7ebc4fdb55e14cf695cfbefc143dda1f911794235cd1200f93be2b70487fc585a46a6341c364a6f4e240b5d370b5cff595

                                        • 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\06-10-2024

                                          Filesize

                                          224B

                                          MD5

                                          b316d786d0bb44233b081e11b029722a

                                          SHA1

                                          24233d7df8a2d8ca7cc1318c3ea5bd72ae07b8cc

                                          SHA256

                                          ee6c2bb01686f79c7309ae2ce484e607c7e87e437bc38350309442ac6943586f

                                          SHA512

                                          0b25ca9456a46a29d52257d29515d1b46eaaf7d087b9a2e768237be72b64dbb853877b8cfeeb9615fae354865b9d26e926ddb4ab4000ba4b00b35cbed31caed6

                                        • C:\Users\Admin\AppData\Roaming\Logs\06-10-2024

                                          Filesize

                                          224B

                                          MD5

                                          2ad78ff7a26070698193c7d8a39e8336

                                          SHA1

                                          e5d3d01f156e9dc692ec437bd3153fafe81b6691

                                          SHA256

                                          d458b0276bbf896f865022c03e16d5bbfcf8ca85f7e11e0b9354e862a5b431cf

                                          SHA512

                                          91e9825bd166ce3e19c0680b4b1bfed58a4f9589138f4ffb212c170ae258f839531be84295130aa6e63fc4ab8402b5fd615ae46a8715aa0dba061a6196a51bc9

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

                                          Filesize

                                          2.0MB

                                          MD5

                                          a06b4addcbafa2c320ef098d6a622701

                                          SHA1

                                          78f5198193cdfd37f5c71e344a26cb2a3aaf3cc1

                                          SHA256

                                          978049797e4d9b27561eb25c9d67d0065b9548163d0f4b6be2f7efe29fe761b4

                                          SHA512

                                          fdf6c6b9cfe4e96f6b7c20f79b98662e09179cc7298d905671b4618d1714f08ec4e307748b2a9e1bdd0f09ec312f019fff8b4fb91684c7f26719b4a7e7298c1e

                                        • memory/1684-19-0x0000000000F70000-0x0000000000F71000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2600-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/2600-67-0x0000000000400000-0x0000000000420000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/3304-45-0x0000000006300000-0x000000000630A000-memory.dmp

                                          Filesize

                                          40KB

                                        • memory/4316-28-0x0000000000870000-0x0000000000890000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4316-20-0x0000000000870000-0x0000000000890000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/4352-29-0x00000000736AE000-0x00000000736AF000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4352-37-0x0000000005E10000-0x0000000005E4C000-memory.dmp

                                          Filesize

                                          240KB

                                        • memory/4352-36-0x0000000005210000-0x0000000005222000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4352-35-0x0000000004B90000-0x0000000004BF6000-memory.dmp

                                          Filesize

                                          408KB

                                        • memory/4352-34-0x0000000004C90000-0x0000000004D22000-memory.dmp

                                          Filesize

                                          584KB

                                        • memory/4352-33-0x0000000005240000-0x00000000057E4000-memory.dmp

                                          Filesize

                                          5.6MB

                                        • memory/4352-30-0x0000000000280000-0x00000000002DE000-memory.dmp

                                          Filesize

                                          376KB