Analysis

  • max time kernel
    5s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 10:17

General

  • Target

    3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe

  • Size

    2.0MB

  • MD5

    6845e591eb8e4ae6ed050f660f8b033d

  • SHA1

    ee37cea5a67e37fb093defc2de51b25a02ad3e65

  • SHA256

    3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566

  • SHA512

    25eab1af5ea0b10a0e793618b7d00c863087ecb9cf6fd7673eba12511c4dc942c6c49e6d4c44940220ba9a30cceb6752d68db5bc8ac581a7c55ca84a3579e231

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

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

    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 1 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 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe
    "C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe"
    1⤵
    • 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:2716
    • 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:1124
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2560
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 548
          3⤵
          • Program crash
          PID:3288
      • 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:4420
        • 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:2664
        • 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 WriteProcessMemory
          PID:4252
          • 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:3612
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Hk16f5KTyhiZ.bat" "
            4⤵
              PID:4664
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:2924
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4052
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4912
                    • 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:1920
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Lh7hNZKFQUTB.bat" "
                      6⤵
                        PID:1096
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:996
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:1280
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1772
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 2000
                            6⤵
                            • Program crash
                            PID:524
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4252 -s 2264
                        4⤵
                        • Program crash
                        PID:1320
                  • C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe
                    "C:\Users\Admin\AppData\Local\Temp\3c720177c1225723c87f8826a0827a9f7ed9cc7f825dae843f657eab5470a566.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3100
                  • 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:4200
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1124 -ip 1124
                  1⤵
                    PID:2180
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4252 -ip 4252
                    1⤵
                      PID:116
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:1132
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:2868
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:2508
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 520
                                3⤵
                                • Program crash
                                PID:2584
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:1528
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:2836
                                • 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:4360
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2868 -ip 2868
                                1⤵
                                  PID:1460
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4912 -ip 4912
                                  1⤵
                                    PID:1100
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:3660
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:3620
                                      • C:\Windows\system32\dwm.exe
                                        "dwm.exe"
                                        1⤵
                                          PID:4528
                                        • C:\Windows\system32\dwm.exe
                                          "dwm.exe"
                                          1⤵
                                            PID:2624
                                          • C:\Windows\system32\dwm.exe
                                            "dwm.exe"
                                            1⤵
                                              PID:3896
                                            • C:\Windows\system32\dwm.exe
                                              "dwm.exe"
                                              1⤵
                                                PID:524
                                              • C:\Windows\system32\dwm.exe
                                                "dwm.exe"
                                                1⤵
                                                  PID:4872
                                                • C:\Windows\system32\dwm.exe
                                                  "dwm.exe"
                                                  1⤵
                                                    PID:1736

                                                  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\Hk16f5KTyhiZ.bat

                                                    Filesize

                                                    208B

                                                    MD5

                                                    df1d8f88bd69c3673f7b17d3e471b70a

                                                    SHA1

                                                    9fca722115aaa07d0a25f812eb402262cac43307

                                                    SHA256

                                                    0a6b7d67890a45419d917d96d4f46b3b30b2da6896d3572386b3af6478d10e82

                                                    SHA512

                                                    41e0a879d928eef81010c843996baea62655a5c17eb76889082e38c6a7be911e944017f9c84727f52a5e1830f0edf7e047832d4e15f417ed78dbf6d3b9e3d6a3

                                                  • C:\Users\Admin\AppData\Local\Temp\Lh7hNZKFQUTB.bat

                                                    Filesize

                                                    208B

                                                    MD5

                                                    d2675f351c078cafcaff77ae07167fab

                                                    SHA1

                                                    9f3d622336d80104c3539e0165d6ad77ea8e5c38

                                                    SHA256

                                                    2a5e096602f5baf1c26edf801b04de0572d2aa3451e461228bae5db2d1833843

                                                    SHA512

                                                    a2f7519f043173d4fef6d3a05d1caa3d30a05520e4bba307c940c85f86b4c59b18777baae7e0976874780ac1d8a0331a8bf00ce2ed7b55b14c9284cf5b4d0802

                                                  • 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\11-25-2024

                                                    Filesize

                                                    224B

                                                    MD5

                                                    637c7b338e6c50adc38a3160391424c6

                                                    SHA1

                                                    8cfa1403f7146417b9a46223409322588efcc80f

                                                    SHA256

                                                    ce58e8f11d8bdfc02debace192b2d509dafec55cb22cb2d552e28b8199563105

                                                    SHA512

                                                    960f25a5884087afecef808507b1a6073530f95b2ed175eb903af77a95a5113935ca5361460c0d55773790b1c723cbabcc1e80247acb9add24f5d4dc32355c19

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

                                                    Filesize

                                                    2.0MB

                                                    MD5

                                                    4a8e2a8dd4e311f52bf8ef851e4abbd5

                                                    SHA1

                                                    8760f14b2e3dce0c3d4cd319fa0a4c509d4cf3ae

                                                    SHA256

                                                    ffdb6e361a7e9b9469618c56ed799e8ede37ae2089dd4706611e1c5a15773b34

                                                    SHA512

                                                    e48e453ed49243ed75b0f0043e1f50fa4121aa55690c1fcb7024c03075f31912de618f6bdb2e045890b074aea1e974bda0e3d256f54ef426a82c7d5766742159

                                                  • memory/2716-20-0x0000000003A40000-0x0000000003A41000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2836-80-0x0000000001480000-0x00000000014A0000-memory.dmp

                                                    Filesize

                                                    128KB

                                                  • memory/2836-74-0x0000000001480000-0x00000000014A0000-memory.dmp

                                                    Filesize

                                                    128KB

                                                  • memory/3100-29-0x0000000000400000-0x0000000000420000-memory.dmp

                                                    Filesize

                                                    128KB

                                                  • memory/3100-21-0x0000000000400000-0x0000000000420000-memory.dmp

                                                    Filesize

                                                    128KB

                                                  • memory/4252-45-0x0000000005BC0000-0x0000000005BCA000-memory.dmp

                                                    Filesize

                                                    40KB

                                                  • memory/4420-37-0x0000000006140000-0x000000000617C000-memory.dmp

                                                    Filesize

                                                    240KB

                                                  • memory/4420-36-0x0000000005C00000-0x0000000005C12000-memory.dmp

                                                    Filesize

                                                    72KB

                                                  • memory/4420-35-0x0000000004FD0000-0x0000000005036000-memory.dmp

                                                    Filesize

                                                    408KB

                                                  • memory/4420-34-0x0000000004F30000-0x0000000004FC2000-memory.dmp

                                                    Filesize

                                                    584KB

                                                  • memory/4420-33-0x00000000054E0000-0x0000000005A84000-memory.dmp

                                                    Filesize

                                                    5.6MB

                                                  • memory/4420-30-0x0000000000490000-0x00000000004EE000-memory.dmp

                                                    Filesize

                                                    376KB

                                                  • memory/4420-19-0x000000007336E000-0x000000007336F000-memory.dmp

                                                    Filesize

                                                    4KB