Analysis

  • max time kernel
    5s
  • max time network
    92s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-01-2025 01:15

General

  • Target

    a532bd3cab458045f0d518e22df0a21d304a32db09ab31b84258ac7be7ac0330.exe

  • Size

    2.0MB

  • MD5

    ccc79a9e59a3d0f2882e736706d2dfa0

  • SHA1

    cf48b1f4d6cdcab4375a90375a224ce076268315

  • SHA256

    a532bd3cab458045f0d518e22df0a21d304a32db09ab31b84258ac7be7ac0330

  • SHA512

    3a791e7eef955d1dece0b74404efdc56282db21d7410d2198eb858517638e0e08e21325ee0c00ed561568e8a6e3d9e558d79b7e11b5495dd37f1671fcbeeca1b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yb

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\a532bd3cab458045f0d518e22df0a21d304a32db09ab31b84258ac7be7ac0330.exe
    "C:\Users\Admin\AppData\Local\Temp\a532bd3cab458045f0d518e22df0a21d304a32db09ab31b84258ac7be7ac0330.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:5048
    • 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:1544
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 556
          3⤵
          • Program crash
          PID:2312
      • 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:4412
        • 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:2096
        • 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:2400
          • 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:2508
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VXg4EtWi4wTC.bat" "
            4⤵
              PID:4416
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4216
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3184
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3432
                    • 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:3408
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\h1XwH4RCFJWX.bat" "
                      6⤵
                        PID:4208
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4424
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4284
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1396
                              • 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:4620
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 2252
                            6⤵
                            • Program crash
                            PID:3404
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 2252
                        4⤵
                        • Program crash
                        PID:4428
                  • C:\Users\Admin\AppData\Local\Temp\a532bd3cab458045f0d518e22df0a21d304a32db09ab31b84258ac7be7ac0330.exe
                    "C:\Users\Admin\AppData\Local\Temp\a532bd3cab458045f0d518e22df0a21d304a32db09ab31b84258ac7be7ac0330.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:1132
                  • 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:2692
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1544 -ip 1544
                  1⤵
                    PID:2832
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2400 -ip 2400
                    1⤵
                      PID:4452
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:5032
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2204
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:436
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 520
                                3⤵
                                • Program crash
                                PID:3472
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4464
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2948
                                • 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:4736
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2204 -ip 2204
                                1⤵
                                  PID:4708
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3432 -ip 3432
                                  1⤵
                                    PID:4480

                                  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\VXg4EtWi4wTC.bat

                                    Filesize

                                    208B

                                    MD5

                                    7612b29c7f94ef76582a2ef07bf7e103

                                    SHA1

                                    576828f3a3eff832560b27154fe3d591284a2e3e

                                    SHA256

                                    8bdda1d8068c1e5a867c98cce4886434a6b9f86a84f0cce1ac91f90639e8c278

                                    SHA512

                                    4888327e0f5d86f1b8080fa23112ba05fd25500b2b9c77f067543d04e35b1d987af4c5e1f448239403a60bf3066d61fd9266a9abfe3046dc854bf8319e998c82

                                  • C:\Users\Admin\AppData\Local\Temp\h1XwH4RCFJWX.bat

                                    Filesize

                                    208B

                                    MD5

                                    283de5813112201e5108ae4b135968a5

                                    SHA1

                                    126a0597026857e54f8567112942ead7008d3117

                                    SHA256

                                    ca921cab0416c9757352f7c1257949462d883c44dc15f1301ffd6db6a3c9fb53

                                    SHA512

                                    9d8129336d813e02ffd1f88aacee22c7d7d5ceb11f113ec1ac1c1c2efb97a3358ef7bbe5558e1ea18569fdc3e77fb9c9dbcc661f819fcbdd7eb0ac0a6222019f

                                  • 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\01-17-2025

                                    Filesize

                                    224B

                                    MD5

                                    9513df4c0ed4d25918a28725d349c4a0

                                    SHA1

                                    211e37a7ac71b450f7791c9cdec1969a7d9f74bd

                                    SHA256

                                    b74ea463a58b6963dd9033ee5dae93e922978afdff22289bc8b9ca5ab7188264

                                    SHA512

                                    62dadd9f679834b5cff900d0b2b3b12ce5c339bb9dc934d80fa3ee1eb24524dad2960027df6c022cae6d43df39589444ae0118577ca4635f5719b7a386775232

                                  • C:\Users\Admin\AppData\Roaming\Logs\01-17-2025

                                    Filesize

                                    224B

                                    MD5

                                    ef3e8d09b6aa7ed54437abd0a8a740a7

                                    SHA1

                                    3f9fef75bd36217b2276a30e8fcd265c0a3d7640

                                    SHA256

                                    fdc045de2e622751796d314d959c473c8dcf4e24cd391056edc00e052af313c4

                                    SHA512

                                    797cfa2fe7ed2bf688bf35fb58a1eda3f3c9088b9696c0813e86033a181446df1d10ae47039924c38dce960e15b2d78dd7f607674f57c8486037238ffc11b148

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    f4c902af0d87fda1207c43bd2e035cec

                                    SHA1

                                    79ff6090fe07253fed13743c667528bdbf07265f

                                    SHA256

                                    d4224d315f27b71c7812c3a7fbdddbf8fd6531506c9f6cf9c0d24036d13fa32a

                                    SHA512

                                    f21443c157422b15251c2d4016d1cdebd0d615844b049e344c5f1d71a87ca3c5f0f292cf5deab823156784f02bb26e45a71cb3fba77ae32a731d070b66c45f8e

                                  • memory/1132-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1132-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2400-44-0x00000000061E0000-0x00000000061EA000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/4412-35-0x0000000005060000-0x0000000005072000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4412-36-0x0000000005D50000-0x0000000005D8C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/4412-34-0x0000000004BF0000-0x0000000004C56000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/4412-33-0x0000000004B50000-0x0000000004BE2000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/4412-32-0x0000000005100000-0x00000000056A4000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/4412-29-0x00000000000A0000-0x00000000000FE000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/5048-19-0x0000000003A80000-0x0000000003A81000-memory.dmp

                                    Filesize

                                    4KB