Analysis

  • max time kernel
    5s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 01:29

General

  • Target

    a3b6559f069073c87c7577e2c4b57580ebcb1139cf5a0c0e0e3e79894b228a5b.exe

  • Size

    2.0MB

  • MD5

    be0b192f83808a302ed9a8e374879076

  • SHA1

    e7b6a24f39961bc9f29836c88029c11aedc9d124

  • SHA256

    a3b6559f069073c87c7577e2c4b57580ebcb1139cf5a0c0e0e3e79894b228a5b

  • SHA512

    f97644932e62803af20aa3636f1c50ede644a839becdca7cafdda29162be677fce52c60b3f3e05dbfcb9a6d29de3fb49c85bbd5894fb18141c724bfea631d847

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYr:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YN

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\a3b6559f069073c87c7577e2c4b57580ebcb1139cf5a0c0e0e3e79894b228a5b.exe
    "C:\Users\Admin\AppData\Local\Temp\a3b6559f069073c87c7577e2c4b57580ebcb1139cf5a0c0e0e3e79894b228a5b.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:4048
    • 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:4628
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2736
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 548
          3⤵
          • Program crash
          PID:4912
      • 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:3748
        • 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:600
        • 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:3268
          • 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:4092
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7I4cLBjNtNwb.bat" "
            4⤵
              PID:3276
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4996
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3156
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:5076
                    • 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:2028
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\zAUb2apaVkr0.bat" "
                      6⤵
                        PID:4212
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1888
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1372
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:2712
                              • 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:2212
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 2236
                            6⤵
                            • Program crash
                            PID:3376
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 2260
                        4⤵
                        • Program crash
                        PID:3984
                  • C:\Users\Admin\AppData\Local\Temp\a3b6559f069073c87c7577e2c4b57580ebcb1139cf5a0c0e0e3e79894b228a5b.exe
                    "C:\Users\Admin\AppData\Local\Temp\a3b6559f069073c87c7577e2c4b57580ebcb1139cf5a0c0e0e3e79894b228a5b.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4548
                  • 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:2172
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4628 -ip 4628
                  1⤵
                    PID:116
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3268 -ip 3268
                    1⤵
                      PID:1424
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:3100
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3604
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:3932
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 520
                                3⤵
                                • Program crash
                                PID:4936
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:1096
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3668
                                • 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:116
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3604 -ip 3604
                                1⤵
                                  PID:1420
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 5076 -ip 5076
                                  1⤵
                                    PID:1688
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1292
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3748
                                      • C:\Windows\system32\sihost.exe
                                        sihost.exe
                                        1⤵
                                          PID:2936
                                        • C:\Windows\system32\sihost.exe
                                          sihost.exe
                                          1⤵
                                            PID:2940

                                          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\7I4cLBjNtNwb.bat

                                            Filesize

                                            208B

                                            MD5

                                            d47f4855726f0c7eed1de6cb2acf96c1

                                            SHA1

                                            bd2f8f98fa799dcfe75eeca1d8de51a2c12dba63

                                            SHA256

                                            23317c9c97ae694b3ac370cd09c91ac4ca27d69e6ec0bc7ddd35d87162d01d91

                                            SHA512

                                            c620e15e754f61a8d8a98a858512a2a0a0e7f6620bfb7e967dc5039967fd26d70ae5f2eebbe70139b73b7e4f0cfc07126289cf152e40de89334bdb300cd52890

                                          • 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\zAUb2apaVkr0.bat

                                            Filesize

                                            208B

                                            MD5

                                            c4d24e9931f4989f2a011d540f293e48

                                            SHA1

                                            36a4653ff9ee4d6d07b3cc60a3496d00af69dce3

                                            SHA256

                                            aa75190453396248010cc7ee5ea0daa400a61ecf06b3aa37e4d28887b72b38a2

                                            SHA512

                                            f7ecd04922b8d41646b9815d9c3116040ea482d4fd2f3d3f3697eb27ba4754cd2b3eb3f84400b21ecc421501f8f68cf6e50dfa7ea0c8b0046222d22af03bb9a1

                                          • C:\Users\Admin\AppData\Roaming\Logs\12-07-2024

                                            Filesize

                                            224B

                                            MD5

                                            caf5270eb39ad9a640aa709394f6af02

                                            SHA1

                                            e3268a69e4c5479a4b164279fbca37c60592c7a4

                                            SHA256

                                            a3687211ad9c5e3766816678c329d0570892413b31abc99756a0a8ebc0843582

                                            SHA512

                                            8ff84bb794e38e0c959c7ab4eaaa2dc74a3ab1218c11319fbd91aa95ac34140aba423f31e2621db54cbebb58f87ddfc6cbae60472b1d79ec8ae551cb084e012e

                                          • C:\Users\Admin\AppData\Roaming\Logs\12-07-2024

                                            Filesize

                                            224B

                                            MD5

                                            f7bf67e0d1125c5cce91e8c3d204ae58

                                            SHA1

                                            5f27d59dfdbd6b8ff79d9e52afa0e5451dd94929

                                            SHA256

                                            4f4cb94a74575e798eb8197fce9b9df194dee3dccceaaf0bae9117cfb98995a8

                                            SHA512

                                            a0a4a360234298459442490ef25f3bbad3b9661d917e4de6aea3b978d78fa7ca924bd4526a0d8e39073ce530e153c1ff541f91531d5293285eade9d791f27fd3

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

                                            Filesize

                                            2.0MB

                                            MD5

                                            90cc1556088a48f0ffe55e7ac03d9bb8

                                            SHA1

                                            49e25bb527929211189f6c5c2a6b9aa30becfec0

                                            SHA256

                                            6f6edd774b7160d9e87488e92289a3b14b96fd28bf65567b9646e8660746df08

                                            SHA512

                                            434aede9e5d0488a0b488b1f3663be42a7fc3c329b0d4abd5b194fd5fe11437f2f028e43066d34f652acab38edbbfdb417c0abbb7eb2227f574a75be2aa40663

                                          • memory/3100-89-0x0000000075D20000-0x0000000075F35000-memory.dmp

                                            Filesize

                                            2.1MB

                                          • memory/3268-45-0x00000000060B0000-0x00000000060BA000-memory.dmp

                                            Filesize

                                            40KB

                                          • memory/3668-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/3668-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/3748-29-0x000000007394E000-0x000000007394F000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3748-37-0x0000000006710000-0x000000000674C000-memory.dmp

                                            Filesize

                                            240KB

                                          • memory/3748-36-0x0000000005B20000-0x0000000005B32000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/3748-35-0x0000000005630000-0x0000000005696000-memory.dmp

                                            Filesize

                                            408KB

                                          • memory/3748-34-0x0000000005580000-0x0000000005612000-memory.dmp

                                            Filesize

                                            584KB

                                          • memory/3748-33-0x0000000005BE0000-0x0000000006184000-memory.dmp

                                            Filesize

                                            5.6MB

                                          • memory/3748-30-0x0000000000A50000-0x0000000000AAE000-memory.dmp

                                            Filesize

                                            376KB

                                          • memory/4048-19-0x0000000003580000-0x0000000003581000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4548-20-0x0000000000C10000-0x0000000000C30000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/4548-28-0x0000000000C10000-0x0000000000C30000-memory.dmp

                                            Filesize

                                            128KB