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Analysis

  • max time kernel
    5s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2025, 02:28

General

  • Target

    caf5832156e063db5f23ccdb510600cefc45d65281d57771f19637daf7f3d7ad.exe

  • Size

    2.0MB

  • MD5

    a7d2254dd17852abff4794059b2ba5f6

  • SHA1

    45ea0c75357b0854dbee73244d1238c14b8c0107

  • SHA256

    caf5832156e063db5f23ccdb510600cefc45d65281d57771f19637daf7f3d7ad

  • SHA512

    b403f0611c36da0a20313d6d518aa27ca6ac5ce5fc9b34a20fa14c47faa355ade25f952904d4503eedb97aadd9b81e560439a003164c59dc5cee25f8b95a1f6e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYz:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y5

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 4 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 3 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 3 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 5 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\caf5832156e063db5f23ccdb510600cefc45d65281d57771f19637daf7f3d7ad.exe
    "C:\Users\Admin\AppData\Local\Temp\caf5832156e063db5f23ccdb510600cefc45d65281d57771f19637daf7f3d7ad.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:4568
    • 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:2064
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3492
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 552
          3⤵
          • Program crash
          PID:2460
      • 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:1588
        • 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:4368
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
            PID:3932
            • 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:3056
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\jz2t7G4N9DHZ.bat" "
              4⤵
                PID:464
                • C:\Windows\SysWOW64\chcp.com
                  chcp 65001
                  5⤵
                    PID:1416
                  • C:\Windows\SysWOW64\PING.EXE
                    ping -n 10 localhost
                    5⤵
                    • System Network Configuration Discovery: Internet Connection Discovery
                    • Runs ping.exe
                    PID:2588
                  • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                    "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                    5⤵
                      PID:5036
                      • 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:2308
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 2272
                    4⤵
                    • Program crash
                    PID:212
              • C:\Users\Admin\AppData\Local\Temp\caf5832156e063db5f23ccdb510600cefc45d65281d57771f19637daf7f3d7ad.exe
                "C:\Users\Admin\AppData\Local\Temp\caf5832156e063db5f23ccdb510600cefc45d65281d57771f19637daf7f3d7ad.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                PID:4720
              • 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:3244
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2064 -ip 2064
              1⤵
                PID:2008
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:780
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:1044
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:4932
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1044 -s 528
                          3⤵
                          • Program crash
                          PID:1720
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:4412
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          2⤵
                            PID:1092
                          • 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:1776
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1044 -ip 1044
                          1⤵
                            PID:4888
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3932 -ip 3932
                            1⤵
                              PID:3824
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:3416
                              • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                1⤵
                                  PID:776

                                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

                                  8013ca45a4b68a281377f2c7b517ac8a

                                  SHA1

                                  aff79b7c8f408e5ae6f00cf9d83e2fd95d9affc3

                                  SHA256

                                  234381ea204c431d0936c4141a38381629938e4f5d40dd0ef01de6a282abbae7

                                  SHA512

                                  428305df713c12d2165303a9b0433c83a0e3f3088a9551deb6403e9351814c38c2377e7c22ede57bcd23ca764e02fce431c52aba6bf4b998b89a518129fda2d6

                                • C:\Users\Admin\AppData\Local\Temp\jz2t7G4N9DHZ.bat

                                  Filesize

                                  208B

                                  MD5

                                  e4ad353b1be055c8b12a15fba01731d2

                                  SHA1

                                  ffd793d61774997e3be086b099112382663783e1

                                  SHA256

                                  0b02520cb175a0b115b21845d616041b3a95f756d9d921ec04f0c6862ec905c4

                                  SHA512

                                  a05c0cb574b55ec09c9b8e6f4032d721c19543bfb77585d8e8c345491e80165693fc6c07dceb626ebb3bc4dbd35b00fa0f5da002c9e253d900acb76060d5d44b

                                • 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\03-06-2025

                                  Filesize

                                  224B

                                  MD5

                                  98612dd0b47bed965e6abc290560590b

                                  SHA1

                                  cfe6461c94ab71127ba6e7f346fef912ead3377e

                                  SHA256

                                  86605e713a3a1e53c2eeaef74f4a1c74bbcdbd405a887a3a453089a9da3f4f5d

                                  SHA512

                                  34ca1fca139be7807bd3fcf5d5bd6b05d1315c7bf7b6a6cf91a2fdffd407a09d7d6b31fc89652f98c7732a6db5a4c46ce0f47188dc2b64e89274a50ebdf7bfa2

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

                                  Filesize

                                  2.0MB

                                  MD5

                                  396c08e4124b471a71039aa448f0a203

                                  SHA1

                                  22697041488320b146fba21c68a7ede07481a42b

                                  SHA256

                                  1466af47aeb744068f1331d56c79a02a82020a0e3a454be8bdd5cbdad4d77854

                                  SHA512

                                  4320561fa2a6e4be13d93a2cb08602e145aeee78dfbbba49a15cf740449a4d49ecd1c2e091d1f66218366f4a3f59d5e5821db30345a475742e58fdaba6eb177b

                                • memory/1092-73-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/1092-67-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/1588-36-0x00000000066F0000-0x0000000006702000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1588-35-0x0000000005B30000-0x0000000005B96000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/1588-34-0x0000000005A30000-0x0000000005AC2000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/1588-37-0x0000000072F4E000-0x0000000072F4F000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1588-33-0x0000000005FE0000-0x0000000006584000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/1588-30-0x0000000000F90000-0x0000000000FEE000-memory.dmp

                                  Filesize

                                  376KB

                                • memory/1588-29-0x0000000072F4E000-0x0000000072F4F000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3932-45-0x0000000007040000-0x000000000704A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/4568-19-0x0000000003B80000-0x0000000003B81000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4720-28-0x0000000000320000-0x0000000000340000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4720-20-0x0000000000320000-0x0000000000340000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/5036-79-0x0000000006B60000-0x0000000006B9C000-memory.dmp

                                  Filesize

                                  240KB