Analysis

  • max time kernel
    3s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2024 02:18

General

  • Target

    360c69daee89ef1a20ed44dfa7f0492dec4352966fa844438ef2eee5951ff427N.exe

  • Size

    2.0MB

  • MD5

    f055b4d46c66e757d3abed0f2158bc10

  • SHA1

    68e106a0199baaadb0c5b62cb5062b580a9b3421

  • SHA256

    360c69daee89ef1a20ed44dfa7f0492dec4352966fa844438ef2eee5951ff427

  • SHA512

    61cf0ad5fdb581abd207453a30f8428d713d745a7fe250c35e6a891ed99a08ead949496e245b3644946fc0dcb4a88b15b468d487b04286fdd89cba2052fd2d7a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYR:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y3

Malware Config

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

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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 5 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 9 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 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 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\360c69daee89ef1a20ed44dfa7f0492dec4352966fa844438ef2eee5951ff427N.exe
    "C:\Users\Admin\AppData\Local\Temp\360c69daee89ef1a20ed44dfa7f0492dec4352966fa844438ef2eee5951ff427N.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:2760
    • C:\Users\Admin\AppData\Local\Temp\windef.exe
      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2672
      • 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:2168
      • 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:2908
        • 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:1900
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\3fI9hDnNz9OT.bat" "
          4⤵
            PID:1752
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              5⤵
                PID:1812
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 10 localhost
                5⤵
                • System Network Configuration Discovery: Internet Connection Discovery
                • Runs ping.exe
                PID:2768
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 1480
              4⤵
              • Program crash
              PID:2984
        • C:\Users\Admin\AppData\Local\Temp\360c69daee89ef1a20ed44dfa7f0492dec4352966fa844438ef2eee5951ff427N.exe
          "C:\Users\Admin\AppData\Local\Temp\360c69daee89ef1a20ed44dfa7f0492dec4352966fa844438ef2eee5951ff427N.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:2820
        • 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:2560
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {0BE1AC05-82CE-492F-AFC3-3594EA5691A3} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]
        1⤵
          PID:2324
          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            2⤵
              PID:2184
              • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                3⤵
                  PID:760
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k
                    4⤵
                      PID:2032
                  • C:\Users\Admin\AppData\Local\Temp\windef.exe
                    "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                    3⤵
                      PID:2332
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                      3⤵
                        PID:2080
                      • 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
                        3⤵
                        • Scheduled Task/Job: Scheduled Task
                        PID:624

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\3fI9hDnNz9OT.bat

                    Filesize

                    208B

                    MD5

                    bc28e1c97f8db301403dfebbcd93b4b9

                    SHA1

                    88abd3f3df395019aed4a99901ec9219d9e14144

                    SHA256

                    d6016513f5d518b071263fd781abb1d65abf66c04fb3253255a771c474eda3b2

                    SHA512

                    9b381cc2f14fefa10fd3633f07e530f6f7e28113999deb8a2825fdeb3a157ed6fa350a40689225ea18eb77c30f19e0f32b1360cfadbe958651316f2e96484612

                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                    Filesize

                    405KB

                    MD5

                    b8ba87ee4c3fc085a2fed0d839aadce1

                    SHA1

                    b3a2e3256406330e8b1779199bb2b9865122d766

                    SHA256

                    4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                    SHA512

                    7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\66W6CSE2.txt

                    Filesize

                    213B

                    MD5

                    5391d2a851393399354c27b79457176f

                    SHA1

                    7fde324f5f3c488c5007d012f4fce15aaaef3e06

                    SHA256

                    59376a5db5170906a87f50553a35db711d9157c5ff1279fc2e536b9670742bbb

                    SHA512

                    9bcfb436d4f0141a2e5360d242298dfe8f32415fa8347e07ea469518153e0a1b2dc25dcebdc052a6c488b5baa5a078b615db5a8da776efd7535479596cb94b4d

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

                    Filesize

                    2.0MB

                    MD5

                    9da09ce9b0ca8d0e349e793889c2037c

                    SHA1

                    d55d7b1fbdcdc964e0d56d3bb0ab889768b6f2f4

                    SHA256

                    e7ac5952ec956fdf6d2aae75742af743db570775e5319139636a235ea871737e

                    SHA512

                    9b7f202108382c15964b904081c572801b2214ed6fb0ab2725dae70af2c2889581b80dc8d8c7b3c47bf82b7145d8815907246f2e03ae352966a9642a2b9532a9

                  • \Users\Admin\AppData\Local\Temp\windef.exe

                    Filesize

                    349KB

                    MD5

                    b4a202e03d4135484d0e730173abcc72

                    SHA1

                    01b30014545ea526c15a60931d676f9392ea0c70

                    SHA256

                    7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                    SHA512

                    632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                  • memory/2032-116-0x00000000000D0000-0x000000000016C000-memory.dmp

                    Filesize

                    624KB

                  • memory/2032-112-0x00000000000D0000-0x000000000016C000-memory.dmp

                    Filesize

                    624KB

                  • memory/2032-111-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

                    Filesize

                    4KB

                  • memory/2080-101-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                    Filesize

                    4KB

                  • memory/2332-108-0x0000000001040000-0x000000000109E000-memory.dmp

                    Filesize

                    376KB

                  • memory/2372-29-0x00000000026D0000-0x00000000026D1000-memory.dmp

                    Filesize

                    4KB

                  • memory/2672-51-0x0000000000AF0000-0x0000000000B4E000-memory.dmp

                    Filesize

                    376KB

                  • memory/2760-53-0x0000000000100000-0x000000000019C000-memory.dmp

                    Filesize

                    624KB

                  • memory/2760-48-0x0000000000100000-0x000000000019C000-memory.dmp

                    Filesize

                    624KB

                  • memory/2760-45-0x0000000000020000-0x0000000000021000-memory.dmp

                    Filesize

                    4KB

                  • memory/2760-47-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

                    Filesize

                    4KB

                  • memory/2820-30-0x0000000000080000-0x00000000000A0000-memory.dmp

                    Filesize

                    128KB

                  • memory/2820-31-0x0000000000080000-0x00000000000A0000-memory.dmp

                    Filesize

                    128KB

                  • memory/2820-41-0x0000000000080000-0x00000000000A0000-memory.dmp

                    Filesize

                    128KB

                  • memory/2820-37-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                    Filesize

                    4KB

                  • memory/2908-63-0x0000000001370000-0x00000000013CE000-memory.dmp

                    Filesize

                    376KB