Analysis

  • max time kernel
    4s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-01-2025 12:46

General

  • Target

    f252d019f5eea405af89550fdb09f760b516032fa43141d999114513f83037aa.exe

  • Size

    2.0MB

  • MD5

    c62da13fc22bf58bee911169411e8473

  • SHA1

    cab989f50391af928764608db240f388cb8b676f

  • SHA256

    f252d019f5eea405af89550fdb09f760b516032fa43141d999114513f83037aa

  • SHA512

    efcbe8f52231d5eb283b5ebb805f60e5da8fcc17578dd60adfbd6157647ea268d0b589a3ca2ffee491e6ebb620ecdc167edb3763eee29327deeb8f4138f91ee3

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YJ

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 5 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 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f252d019f5eea405af89550fdb09f760b516032fa43141d999114513f83037aa.exe
    "C:\Users\Admin\AppData\Local\Temp\f252d019f5eea405af89550fdb09f760b516032fa43141d999114513f83037aa.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:1128
    • 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:2464
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 552
          3⤵
          • Program crash
          PID:3608
      • 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:1848
        • 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:3452
        • 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:728
          • 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:1680
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5pLWVevv1OmN.bat" "
            4⤵
              PID:4268
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1696
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2948
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3868
                    • 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:3664
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8mR7D8vhTBXz.bat" "
                      6⤵
                        PID:1532
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2504
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1736
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1768
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 2264
                            6⤵
                            • Program crash
                            PID:2556
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 728 -s 2296
                        4⤵
                        • Program crash
                        PID:4144
                  • C:\Users\Admin\AppData\Local\Temp\f252d019f5eea405af89550fdb09f760b516032fa43141d999114513f83037aa.exe
                    "C:\Users\Admin\AppData\Local\Temp\f252d019f5eea405af89550fdb09f760b516032fa43141d999114513f83037aa.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2764
                  • 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:1748
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2464 -ip 2464
                  1⤵
                    PID:404
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 728 -ip 728
                    1⤵
                      PID:4784
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:1668
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:4644
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3520
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 520
                                3⤵
                                • Program crash
                                PID:3608
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:1152
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 940
                                  3⤵
                                  • Program crash
                                  PID:5092
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3932
                                • 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:2100
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4644 -ip 4644
                                1⤵
                                  PID:2212
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3868 -ip 3868
                                  1⤵
                                    PID:548
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1152 -ip 1152
                                    1⤵
                                      PID:2908
                                    • C:\Windows\system32\dwm.exe
                                      "dwm.exe"
                                      1⤵
                                        PID:4460
                                      • C:\Windows\explorer.exe
                                        explorer.exe
                                        1⤵
                                          PID:1368
                                        • C:\Windows\explorer.exe
                                          explorer.exe
                                          1⤵
                                            PID:544
                                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                            1⤵
                                              PID:432
                                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                              1⤵
                                                PID:5072
                                              • C:\Windows\system32\sihost.exe
                                                sihost.exe
                                                1⤵
                                                  PID:392

                                                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\5pLWVevv1OmN.bat

                                                  Filesize

                                                  208B

                                                  MD5

                                                  7558f2ae498941f584681383cc35d110

                                                  SHA1

                                                  b537262e8537a4b627bc5e41155342338ad86433

                                                  SHA256

                                                  069c0af1e1aeb9258b3acf6c34f2d9a9d8e02a1248c940b433fdb6c41c1c5d72

                                                  SHA512

                                                  d94e5e9f088ffe951e6ec5a0c25523d29ff5042a95df92dc60422ff116499454d7e0728666e937afaa30f15e5696b92c978e7c48ca5452e3be22491bb4d1b17b

                                                • C:\Users\Admin\AppData\Local\Temp\8mR7D8vhTBXz.bat

                                                  Filesize

                                                  208B

                                                  MD5

                                                  a1c8cf97dda0466f2ba08610a0703a31

                                                  SHA1

                                                  fc86aab7556e60545cd2e4d10ea780efb4cd9cc4

                                                  SHA256

                                                  02f1920e12d77508f454414d9eeaa70ca844dee922cbca7d8b62a9d63c10839c

                                                  SHA512

                                                  2b4e9d98fb35249af3773a895789dd7e250c97f26f6b539f33002fe0bcf3b48f007fd3695b077eccfee51e7437f6d10a0a385d5024bbecf9055397f6d6f50f42

                                                • 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\01-18-2025

                                                  Filesize

                                                  224B

                                                  MD5

                                                  a7c55f761f65a4fe8975d952b30522a9

                                                  SHA1

                                                  9b156338dc9e929d81d17cb9638167f9dae84412

                                                  SHA256

                                                  7a313af04f9f3d1855d0789b41105e779ce0cb944faa84a5e1836cafe71eb9a6

                                                  SHA512

                                                  42505ebbf3ba733ac1b2591fae71b3611be81313b00642551ff178fd0e298d0344a8540725d8c45f8cc7316a25104c54360f9d2052b6c5d10d44ee4ceef0b338

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

                                                  Filesize

                                                  2.0MB

                                                  MD5

                                                  b3ae0ce39c956c4335e194f7c50de7f7

                                                  SHA1

                                                  ede8fe1c173b8ed55025cf53e7342b99add490b1

                                                  SHA256

                                                  5e7ab2f2fd42d008b6f9c69595d67d39dfc96e49d4659b420c606d61e5c0cd10

                                                  SHA512

                                                  3f660c7cb9fe96f3ecb69399ea6609ef1572f8b27595f700419acbd3e4bad48ee850bbce359c94db227b6c5c8dbbfd3202892ecdc76e892c94a9ddf77de80bf3

                                                • memory/728-45-0x0000000006B00000-0x0000000006B0A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/1128-19-0x00000000037E0000-0x00000000037E1000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1848-34-0x0000000004E00000-0x0000000004E92000-memory.dmp

                                                  Filesize

                                                  584KB

                                                • memory/1848-36-0x0000000005A90000-0x0000000005AA2000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/1848-37-0x0000000005FD0000-0x000000000600C000-memory.dmp

                                                  Filesize

                                                  240KB

                                                • memory/1848-35-0x0000000004D80000-0x0000000004DE6000-memory.dmp

                                                  Filesize

                                                  408KB

                                                • memory/1848-33-0x0000000005220000-0x00000000057C4000-memory.dmp

                                                  Filesize

                                                  5.6MB

                                                • memory/1848-32-0x0000000000460000-0x00000000004BE000-memory.dmp

                                                  Filesize

                                                  376KB

                                                • memory/1848-29-0x0000000072A8E000-0x0000000072A8F000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2764-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                                  Filesize

                                                  128KB

                                                • memory/2764-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                                  Filesize

                                                  128KB