Analysis

  • max time kernel
    4s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 01:38

General

  • Target

    b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe

  • Size

    2.0MB

  • MD5

    36f81684d6dba8fe44fd17044482ab55

  • SHA1

    7c404cfed92d509d35b5b32ff10d5a6751ec1585

  • SHA256

    b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f

  • SHA512

    0e66e47e8e8d3fb383a49f18a0b6da4a430bd8fc97cecb13587c652d3bd8068bb55fb71fe98ea31370099b8d5e0f31ba1788ba2a61777e4c952d100ec7442fc5

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yz

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 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 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 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe
    "C:\Users\Admin\AppData\Local\Temp\b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.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:100
    • 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:2952
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 552
          3⤵
          • Program crash
          PID:2340
      • 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:4504
        • 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:4676
        • 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
          PID:3508
          • 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:3920
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PTD9m5ZpONc0.bat" "
            4⤵
              PID:4180
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4844
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:964
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4380
                    • 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:4056
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4m36M2Z1mMZn.bat" "
                      6⤵
                        PID:4624
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2708
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:5088
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3984
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 2028
                            6⤵
                            • Program crash
                            PID:3248
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 2276
                        4⤵
                        • Program crash
                        PID:1648
                  • C:\Users\Admin\AppData\Local\Temp\b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe
                    "C:\Users\Admin\AppData\Local\Temp\b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:4608
                  • 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:1172
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2952 -ip 2952
                  1⤵
                    PID:2080
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3784
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:4256
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4468
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 4256 -s 520
                              3⤵
                              • Program crash
                              PID:3220
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3140
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:4440
                              • 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:4560
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4256 -ip 4256
                              1⤵
                                PID:3344
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3508 -ip 3508
                                1⤵
                                  PID:1172
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4380 -ip 4380
                                  1⤵
                                    PID:2384
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:1260
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4476

                                      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\4m36M2Z1mMZn.bat

                                        Filesize

                                        208B

                                        MD5

                                        56cbf57a4f8c22ce1e1033f547651d67

                                        SHA1

                                        034725338cd5488ff0d2a0eb9ad9c175496f20d9

                                        SHA256

                                        649226c8fa9026134afde07cd3887aea4d1776936cd1aa10c803e1b2bbb3adaf

                                        SHA512

                                        ff9b446fae19c6b5b2386c22c599ebb3a369c0e024041e7b3091c318f0e7978702d9eaae0f5981702e4aa43dc7f04db8b2630896a2ae4b110ffff8ce77ca4371

                                      • C:\Users\Admin\AppData\Local\Temp\PTD9m5ZpONc0.bat

                                        Filesize

                                        208B

                                        MD5

                                        2a2d7291ff225558dfa0d6a27f9a4be0

                                        SHA1

                                        b3281e7dcfd95dc081d137ee99320f499d76d73d

                                        SHA256

                                        912c10c6fbf2591c6037840442785d335fb6c703e86d202d9b45862f8a7738c7

                                        SHA512

                                        43c8b3a1aa1a2e494d92061f83a6c259f257437bf00cba1faebf6947e9215ccb64f1f7f68cdd777599500de19e56f715fd0090c2fe41717bf685eaff69a23444

                                      • 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\11-21-2024

                                        Filesize

                                        224B

                                        MD5

                                        d5398c9a1339fb5c996a079b61b6313f

                                        SHA1

                                        d3beace2157e1bd7d10ac1cd74f578f07633a472

                                        SHA256

                                        6f219f52b5951f71da40ddb5403ae23a7de6e60daf43399fe155563e5fe816f1

                                        SHA512

                                        83471c4de5d54d5473366e0587f97f78f860d6838162cfbc8acdebc9c89ecb6898d4d6a30ee9bc1e72775704a01ca0c24bd162c91baff903a57922516a812ba9

                                      • C:\Users\Admin\AppData\Roaming\Logs\11-21-2024

                                        Filesize

                                        224B

                                        MD5

                                        b0f213810dd134152b7b3b574b0db853

                                        SHA1

                                        2d151074a7f3f4a13f0990c82578ca874e594bb0

                                        SHA256

                                        ff6186c1076bd23cf915a28121b2a1a1fb41cfc8cce409f83509917371aa6c0e

                                        SHA512

                                        3182784f5393432701d2fd57bccd6c88f49628dc42ea579f86fefc9ecce2c9662d299ad1fdbedfe54cc5773ec2bf4c4c8da311a065c73bd9e0918e6941d53acf

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

                                        Filesize

                                        2.0MB

                                        MD5

                                        98eaebc75b7d4383d90469f7f1bc5ca6

                                        SHA1

                                        15b39c3e7cf1c4bf99c3bad988f61270cc0049eb

                                        SHA256

                                        6942c05e8eda67d638694c07d658d92de03013d100a30b04a2916934733f6f84

                                        SHA512

                                        92cdf34ac4ad8159f46bace5d562d0be40b70fc1c71b36769286856d137a78e414141e01b3f54cbf5fb4c8468d4cf1945c7eb63bb2b874a5db34d714784bdb15

                                      • memory/100-19-0x00000000041E0000-0x00000000041E1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3508-45-0x0000000006B20000-0x0000000006B2A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4440-73-0x0000000000CB0000-0x0000000000CD0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4440-67-0x0000000000CB0000-0x0000000000CD0000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4504-29-0x0000000072B0E000-0x0000000072B0F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4504-37-0x0000000006B70000-0x0000000006BAC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/4504-36-0x0000000006630000-0x0000000006642000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4504-35-0x0000000005A40000-0x0000000005AA6000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/4504-34-0x00000000059A0000-0x0000000005A32000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/4504-33-0x0000000005E20000-0x00000000063C4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/4504-30-0x0000000000FF0000-0x000000000104E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/4608-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4608-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB