Analysis

  • max time kernel
    5s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-08-2024 15:05

General

  • Target

    c2957ceaee0f98cbfbffd4ea9360f3a0N.exe

  • Size

    2.0MB

  • MD5

    c2957ceaee0f98cbfbffd4ea9360f3a0

  • SHA1

    4c643d34d95d24c892afc7285abdddf7b84cbf7c

  • SHA256

    be39864191d2740eb202d0f8e49bec12b53aeb60fbe24bd435b67ba73a01ccd1

  • SHA512

    e400c2f3d102495b131b9d9db5e65bd3e8028de777581b8c217293d6338762f20cb5c9c4851d8fe26ca69b671ece3aaf36c211c980f7e23e027fb0cf09a15a7d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYI:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YS

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
  • 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 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\c2957ceaee0f98cbfbffd4ea9360f3a0N.exe
    "C:\Users\Admin\AppData\Local\Temp\c2957ceaee0f98cbfbffd4ea9360f3a0N.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:2388
    • 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:3640
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:1628
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 548
          3⤵
          • Program crash
          PID:5112
      • 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:3724
        • 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:1968
        • 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:4880
          • 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:3416
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\n8efbz0Silnk.bat" "
            4⤵
              PID:4240
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2108
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2988
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4876
                    • 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:5008
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\hVES4Zjk16c4.bat" "
                      6⤵
                        PID:2068
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4848
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4012
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1924
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 1968
                            6⤵
                            • Program crash
                            PID:2352
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 1988
                        4⤵
                        • Program crash
                        PID:3716
                  • C:\Users\Admin\AppData\Local\Temp\c2957ceaee0f98cbfbffd4ea9360f3a0N.exe
                    "C:\Users\Admin\AppData\Local\Temp\c2957ceaee0f98cbfbffd4ea9360f3a0N.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:1040
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3640 -ip 3640
                  1⤵
                    PID:4860
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4880 -ip 4880
                    1⤵
                      PID:844
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4132
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3084
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:812
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 520
                                3⤵
                                • Program crash
                                PID:1768
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:4552
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:4312
                                • 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:4708
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3084 -ip 3084
                                1⤵
                                  PID:4784
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4876 -ip 4876
                                  1⤵
                                    PID:4860
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:1988
                                      • C:\Windows\explorer.exe
                                        explorer.exe /LOADSAVEDWINDOWS
                                        2⤵
                                          PID:3380
                                      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                        1⤵
                                          PID:4336
                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                          1⤵
                                            PID:5024

                                          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\hVES4Zjk16c4.bat

                                            Filesize

                                            208B

                                            MD5

                                            c7777a30d2627ce39450b8ec63202916

                                            SHA1

                                            d008efdefa219d9f4108fd37328384423159364e

                                            SHA256

                                            19e31d6b43e77113a640fcb4ee3aeffb896bdce320979e701248c812373d22b6

                                            SHA512

                                            f1484ef01022ebe05789bc4e0e05d37545e8c402c43456beaaa192f395beeea0ca2c2983f272be1d2a20d94520bea4d6a1bae8353314c6c1fa0ffea61df7f86b

                                          • C:\Users\Admin\AppData\Local\Temp\n8efbz0Silnk.bat

                                            Filesize

                                            208B

                                            MD5

                                            070cc40ae91b8a6d4c55b3f6a8f7f836

                                            SHA1

                                            cccc94c4f34eaa9860ad2c74d2c0853f831c8a61

                                            SHA256

                                            c8074cb30f789d32ebd21028d19b5c651c4bf9290fd45774e8e23028bdc9cfd3

                                            SHA512

                                            ecc72cda464caab6582b3ef531aefb567d834111985f91005361015e89ce0962eaa50d0489abfc8790325bc60ed47640fcf1b76217b68372fbea42e7f0721948

                                          • 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\08-23-2024

                                            Filesize

                                            224B

                                            MD5

                                            b29186d9178103395fb5c68e83b0bace

                                            SHA1

                                            a8181d591f64e01d5078585736ab0fc345cc300f

                                            SHA256

                                            2b47d549c41443a403a5797cdddf65404db72ea6170cd40f3531e15f9997c653

                                            SHA512

                                            888d29576c5a0bd59825fb5964ed5534a50cdba311fdc4d225f4e0271f71f7b807a094930ca5a8e2b4b83aed187b3bc4318f6047fdee8c2783be94f79db327b0

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

                                            Filesize

                                            2.0MB

                                            MD5

                                            a84f06701af635b86107fb504fa4d709

                                            SHA1

                                            6fe535fc02bd57bd4aae8d630123b1b5280adb89

                                            SHA256

                                            0bf195b945674a43a144d3a2b0b94bf6470b0e6515a7157568ad00892caa6443

                                            SHA512

                                            fbfa8303fae420ebf8cd31d5733600947c30c839882b549cddcacd1cbeeac6eeb269f2920d936888bea070bfd76f9b2c389f20804c8c91719226f7ad4e5053a6

                                          • memory/2388-19-0x0000000004330000-0x0000000004331000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3724-29-0x00000000729FE000-0x00000000729FF000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3724-35-0x0000000004A90000-0x0000000004AF6000-memory.dmp

                                            Filesize

                                            408KB

                                          • memory/3724-36-0x00000000057D0000-0x00000000057E2000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/3724-37-0x0000000005D10000-0x0000000005D4C000-memory.dmp

                                            Filesize

                                            240KB

                                          • memory/3724-34-0x00000000049F0000-0x0000000004A82000-memory.dmp

                                            Filesize

                                            584KB

                                          • memory/3724-33-0x0000000004FA0000-0x0000000005544000-memory.dmp

                                            Filesize

                                            5.6MB

                                          • memory/3724-30-0x00000000000A0000-0x00000000000FE000-memory.dmp

                                            Filesize

                                            376KB

                                          • memory/4312-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4312-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4720-28-0x0000000000460000-0x0000000000480000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4720-20-0x0000000000460000-0x0000000000480000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4880-45-0x00000000063C0000-0x00000000063CA000-memory.dmp

                                            Filesize

                                            40KB