Analysis

  • max time kernel
    5s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2025 09:38

General

  • Target

    a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe

  • Size

    2.0MB

  • MD5

    c914eef9aed3df6f8737868abe80d331

  • SHA1

    5a666f42694dbea1ab584dc6b590b14adc89fe55

  • SHA256

    a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45

  • SHA512

    ee49e26991cac569b0dd8a14d7a303fb0964e124421bfc63ca7f6e35becd4dbec79ca07b9e9e209d39b0951d93863e709ffd52afc0a2873f6234b2695e1f0695

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYZ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

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 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 7 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 2 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 12 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe
    "C:\Users\Admin\AppData\Local\Temp\a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.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:3708
    • 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:4996
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 548
          3⤵
          • Program crash
          PID:2184
      • 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:1756
        • 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:3988
        • 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:1684
          • 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:3036
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\cBhsW2bfFkzM.bat" "
            4⤵
              PID:4416
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:1216
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3900
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4984
                    • 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:3764
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\zG5Yn6ncZazy.bat" "
                      6⤵
                        PID:3120
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4188
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4368
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:804
                              • 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:1480
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 2232
                            6⤵
                            • Program crash
                            PID:264
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 2240
                        4⤵
                        • Program crash
                        PID:2920
                  • C:\Users\Admin\AppData\Local\Temp\a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe
                    "C:\Users\Admin\AppData\Local\Temp\a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:512
                  • 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:1860
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4996 -ip 4996
                  1⤵
                    PID:2784
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                    • Checks computer location settings
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of WriteProcessMemory
                    PID:4480
                    • 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:4852
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:2796
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 520
                          3⤵
                          • Program crash
                          PID:3612
                      • 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
                        PID:3668
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        2⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4208
                      • 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:1544
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4852 -ip 4852
                      1⤵
                        PID:1924
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1684 -ip 1684
                        1⤵
                          PID:4292
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4984 -ip 4984
                          1⤵
                            PID:3400

                          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\cBhsW2bfFkzM.bat

                            Filesize

                            208B

                            MD5

                            aff4727fa969d870dea3b2d8448a7a3f

                            SHA1

                            71e3dca48bb8943fcfb291252b98dd9224d368e4

                            SHA256

                            b070a1aa505ce84ee5936ccc17e7a31e5c31f6436565dbc99fe43cdcc6dd75b0

                            SHA512

                            b590c349a529357b2262889e4ec2eec749ab41b1721d6f136bd757fd29053864d1c712ee2318b5f8e0d12526eb82bdb7c12bdd96bf02ba7cd550555f36995920

                          • 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\Local\Temp\zG5Yn6ncZazy.bat

                            Filesize

                            208B

                            MD5

                            4d3ed3d40bb1d2c1b2cdc2ad4b7b16a5

                            SHA1

                            05cd570076b5c5aa8ad63db9843db07baaa2b8ea

                            SHA256

                            845feea8d3f4cb33d9f94945012e276571ecef2a30a96eba6bfaf99466aac488

                            SHA512

                            93b64be4d13bceebb98570a6ed16673c5d6f25061fb9ffffefc9da134f8c34a14c427b5c74e6ccc7bfaaed6c1a36657368752e1515e786b847bcc95bf530faf0

                          • C:\Users\Admin\AppData\Roaming\Logs\01-25-2025

                            Filesize

                            224B

                            MD5

                            9f114961a976a6dcbd16e14c3e27e9d4

                            SHA1

                            6945227feacd59f95ce2067b6d62af15c7376ac2

                            SHA256

                            53bae0742ee605f96f0de056dc6192588c79d1fb3f73dff476dc029a935be134

                            SHA512

                            9d75927c925937853aaf708ab69b1fe504915f8c27e93c3b4b72b1d288244f5b908024fbca7b5e21653e7b53a0b1714be022eb61dd5e282ae46354e1fbeced4e

                          • C:\Users\Admin\AppData\Roaming\Logs\01-25-2025

                            Filesize

                            224B

                            MD5

                            f930477228bf7f45d824da43ebc124cc

                            SHA1

                            560885fd183837a62f3ed26d5b84132f8ed5832d

                            SHA256

                            c2d6b62f060b89b28ae12f248b9557e755358227644b66bc2a424082b77cc057

                            SHA512

                            f658d43d786376f57d06253936ec3ef7f59223cb3a854f8589890c061bec179dc36be7ccdb88bcf2282b856f442e80eda67b17c005ddcbc3afe7f760e8e9b332

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

                            Filesize

                            2.0MB

                            MD5

                            131f7022429fa61c97138a6e70421eb9

                            SHA1

                            ed05919c7a57e6516bdb312681117a9acf51a79c

                            SHA256

                            3241ba82a6d333ec1b0fa23b1edcac1f31dcb46f223dda467d31fcb62b808761

                            SHA512

                            b7a5d35cbe02086016d09c71c61ac3f711c58e1f9413f949be0725b26aabcb13d7892a07f422c35d0f2d80d7a08bdf54489c11931bcc0e06249be19f479780af

                          • memory/512-28-0x0000000000400000-0x0000000000420000-memory.dmp

                            Filesize

                            128KB

                          • memory/512-20-0x0000000000400000-0x0000000000420000-memory.dmp

                            Filesize

                            128KB

                          • memory/1684-46-0x0000000006C90000-0x0000000006C9A000-memory.dmp

                            Filesize

                            40KB

                          • memory/1756-36-0x00000000062E0000-0x000000000631C000-memory.dmp

                            Filesize

                            240KB

                          • memory/1756-35-0x0000000005DA0000-0x0000000005DB2000-memory.dmp

                            Filesize

                            72KB

                          • memory/1756-34-0x00000000051E0000-0x0000000005246000-memory.dmp

                            Filesize

                            408KB

                          • memory/1756-33-0x0000000005140000-0x00000000051D2000-memory.dmp

                            Filesize

                            584KB

                          • memory/1756-32-0x00000000056F0000-0x0000000005C94000-memory.dmp

                            Filesize

                            5.6MB

                          • memory/1756-29-0x0000000000760000-0x00000000007BE000-memory.dmp

                            Filesize

                            376KB

                          • memory/3708-19-0x00000000034B0000-0x00000000034B1000-memory.dmp

                            Filesize

                            4KB

                          • memory/4208-66-0x0000000000A40000-0x0000000000A60000-memory.dmp

                            Filesize

                            128KB

                          • memory/4208-72-0x0000000000A40000-0x0000000000A60000-memory.dmp

                            Filesize

                            128KB