Analysis

  • max time kernel
    5s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 18:53

General

  • Target

    a0a34a2f498f68206c7e0f7f18e58254bd02ebda701f072677b1d3f80e634a53.exe

  • Size

    2.0MB

  • MD5

    e9f5691c16624507967c3fb092ff0c31

  • SHA1

    169ec82da95b5ecc992d1d6b0e15d20fcea5fd93

  • SHA256

    a0a34a2f498f68206c7e0f7f18e58254bd02ebda701f072677b1d3f80e634a53

  • SHA512

    3962bf0640bab1b764f73308187a841b03feb77d0e2ace746431bfcfd445fde466711c8b41b2a15b61735379a9e0f8f5f398ab0727096ec3c4453c0c122c4b81

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYR: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 1 IoCs

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

  • Executes dropped EXE 4 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 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 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 WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0a34a2f498f68206c7e0f7f18e58254bd02ebda701f072677b1d3f80e634a53.exe
    "C:\Users\Admin\AppData\Local\Temp\a0a34a2f498f68206c7e0f7f18e58254bd02ebda701f072677b1d3f80e634a53.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:4572
    • 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:5088
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4844
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 552
          3⤵
          • Program crash
          PID:4728
      • 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:2472
        • 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:2052
        • 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
          PID:1712
          • 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⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2356
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tSr4f6EleZXQ.bat" "
            4⤵
              PID:5072
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3016
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:5052
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4132
                    • 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:3768
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 1992
                  4⤵
                  • Program crash
                  PID:3616
            • C:\Users\Admin\AppData\Local\Temp\a0a34a2f498f68206c7e0f7f18e58254bd02ebda701f072677b1d3f80e634a53.exe
              "C:\Users\Admin\AppData\Local\Temp\a0a34a2f498f68206c7e0f7f18e58254bd02ebda701f072677b1d3f80e634a53.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:3796
            • 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:2476
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 5088 -ip 5088
            1⤵
              PID:1964
            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
              1⤵
              • Executes dropped EXE
              PID:668
              • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                2⤵
                  PID:4784
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k
                    3⤵
                      PID:4780
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 520
                      3⤵
                      • Program crash
                      PID:3176
                  • C:\Users\Admin\AppData\Local\Temp\windef.exe
                    "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                    2⤵
                      PID:1368
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                      2⤵
                        PID:4660
                      • 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:1084
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4784 -ip 4784
                      1⤵
                        PID:3256
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1712 -ip 1712
                        1⤵
                          PID:2492
                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                          1⤵
                            PID:2248
                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                            1⤵
                              PID:4784

                            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\tSr4f6EleZXQ.bat

                              Filesize

                              208B

                              MD5

                              994d3757126d5e4d4709312ba1321b84

                              SHA1

                              27f724c4b5d4a5bd24d03714c720c161b0c5de93

                              SHA256

                              2881cab0bc523305bdbc35abbf9b3a95c94f01eaf0a287d69a10c02ee48cfaa6

                              SHA512

                              63c546fd9c38e78e464ff832f9f58559b0da84a2661b5d2bcb230c650544d1f7c3983bd1579013cf7f1a71d0d19f29026a23513badc9a3c40e0ef87f8986882b

                            • 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\12-04-2024

                              Filesize

                              224B

                              MD5

                              619c9d1d5a524c3fccbd8ae9dc9be9b3

                              SHA1

                              4438e63d54ba8ec01a5d12f02425a682bdf8ce5d

                              SHA256

                              b03fd5cc69f875edbeb8cbfcd48155c54223483fcad9f0fdae6c1bcf117573c8

                              SHA512

                              1152ddcef4ee7aa238383d39c9a9b94ad8aa259833b0bfb5ac2fe9ad30d9a7d96cbb5c20193400ea33f0329e23fcc9345b5850ebeed9767af6d53121488df3ab

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

                              Filesize

                              2.0MB

                              MD5

                              24d52f9e9acc6fb98e8390fd889af0dd

                              SHA1

                              dafbde19ace31883f3ca3e41b95bd09ca16f2290

                              SHA256

                              5a4f9c8fb11b23146794a9be603364401f8f6cbc48cde10f75090efdef74cdc9

                              SHA512

                              ede671aa6942529c3758758610c53e301b85eea923586c908789ed03f0af6a6aa4a09c1e3d55a7ca4cf5396babf04b94bcd7ad0b87eee79b04c52e9530465cee

                            • memory/1712-73-0x0000000006640000-0x000000000664A000-memory.dmp

                              Filesize

                              40KB

                            • memory/2472-34-0x0000000004C70000-0x0000000004D02000-memory.dmp

                              Filesize

                              584KB

                            • memory/2472-33-0x0000000005150000-0x00000000056F4000-memory.dmp

                              Filesize

                              5.6MB

                            • memory/2472-35-0x0000000004D10000-0x0000000004D76000-memory.dmp

                              Filesize

                              408KB

                            • memory/2472-36-0x0000000005A60000-0x0000000005A72000-memory.dmp

                              Filesize

                              72KB

                            • memory/2472-37-0x0000000005FA0000-0x0000000005FDC000-memory.dmp

                              Filesize

                              240KB

                            • memory/2472-30-0x00000000001E0000-0x000000000023E000-memory.dmp

                              Filesize

                              376KB

                            • memory/2472-29-0x000000007389E000-0x000000007389F000-memory.dmp

                              Filesize

                              4KB

                            • memory/3796-28-0x0000000000400000-0x0000000000420000-memory.dmp

                              Filesize

                              128KB

                            • memory/3796-21-0x0000000000400000-0x0000000000420000-memory.dmp

                              Filesize

                              128KB

                            • memory/4572-19-0x0000000003F00000-0x0000000003F01000-memory.dmp

                              Filesize

                              4KB