Analysis

  • max time kernel
    4s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2024 12:37

General

  • Target

    364d7fd7897d7d6bb926ccb0fb2407713c97a06318975cf82351eb47625a5f3dN.exe

  • Size

    2.0MB

  • MD5

    11b28f32e0387ed97c76783439597b10

  • SHA1

    8018965d84ceb8db8e50bde25adef29c147ba53d

  • SHA256

    364d7fd7897d7d6bb926ccb0fb2407713c97a06318975cf82351eb47625a5f3d

  • SHA512

    2f0635681ed181167e7f2b2fd37913e0f0e9e175c051599c1fc0302c1c62adf3190276391bce80271a8b6368773228556e68412a5dcb74aea2b2500ad803de08

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y9

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 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 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\364d7fd7897d7d6bb926ccb0fb2407713c97a06318975cf82351eb47625a5f3dN.exe
    "C:\Users\Admin\AppData\Local\Temp\364d7fd7897d7d6bb926ccb0fb2407713c97a06318975cf82351eb47625a5f3dN.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:2888
    • 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:2312
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:1732
    • 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:1048
      • 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:1780
      • 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:1212
        • 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:1736
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\0BHilSG8Y681.bat" "
          4⤵
            PID:2460
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              5⤵
                PID:2500
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 10 localhost
                5⤵
                • System Network Configuration Discovery: Internet Connection Discovery
                • Runs ping.exe
                PID:2268
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 1512
              4⤵
              • Program crash
              PID:2412
        • C:\Users\Admin\AppData\Local\Temp\364d7fd7897d7d6bb926ccb0fb2407713c97a06318975cf82351eb47625a5f3dN.exe
          "C:\Users\Admin\AppData\Local\Temp\364d7fd7897d7d6bb926ccb0fb2407713c97a06318975cf82351eb47625a5f3dN.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:2172
        • 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:2740
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {70B60D24-ECB7-492C-9E89-3DC52F41491C} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
        1⤵
          PID:316
          • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
            2⤵
              PID:1688
              • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                3⤵
                  PID:1960
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k
                    4⤵
                      PID:2828
                  • C:\Users\Admin\AppData\Local\Temp\windef.exe
                    "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                    3⤵
                      PID:2164
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                      3⤵
                        PID:2120
                      • 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:2520

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\0BHilSG8Y681.bat

                    Filesize

                    208B

                    MD5

                    5ffa4bba32193ca9565075083ecb2917

                    SHA1

                    90d2c8d6c3b41f45564b52130039e861fc50f703

                    SHA256

                    d56d0536d71592ec4cc1de0ec5d6fc69838dbf3b037f92f705dbd7ecbfadc352

                    SHA512

                    08ed56faf27ad4755c1b40d9e52d30e8275808ac0e952f880b2142c90a8ed35f6ed4ad068689b38c84de82a6653ea616d6273a02252fcde2d996f7ef70897cb9

                  • 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\CDCA7U1O.txt

                    Filesize

                    213B

                    MD5

                    c0736336016de4eac7f5a1b2268d967f

                    SHA1

                    2714923a489c85a660f3be3fe781c334ca9adcd9

                    SHA256

                    8f8749eb4cb47f79adadd40e3a47dcf40a774c4a9b048cbfbe0a020b8572c18f

                    SHA512

                    0d947ce21a1c492d93e71519b8cd826ce163100dce6f8473d2b725cf0d5a8e3cccd12d1e9ccb3beee26f7708682045ae8306260359f3228a20dd0d10cfc0d82c

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

                    Filesize

                    2.0MB

                    MD5

                    6b42976cab89acb5038f18e193ec89af

                    SHA1

                    c472e88008c3fa6294487195cd3a09a2e1dd2713

                    SHA256

                    4ac785f60a65de47c12f549812c630e2b5e10729cb9031fefd712e4778a53756

                    SHA512

                    3a9a2e2c42fed2087ce29a880977309394b24eac349e6f346c646ac8fec07adf40ae267a97ceca28cc83513771a288364e7ad7ed6a308147ace3f06201628e7f

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

                    Filesize

                    349KB

                    MD5

                    b4a202e03d4135484d0e730173abcc72

                    SHA1

                    01b30014545ea526c15a60931d676f9392ea0c70

                    SHA256

                    7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                    SHA512

                    632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                  • memory/1048-46-0x00000000013D0000-0x000000000142E000-memory.dmp

                    Filesize

                    376KB

                  • memory/1212-62-0x0000000000840000-0x000000000089E000-memory.dmp

                    Filesize

                    376KB

                  • memory/1732-50-0x00000000002B0000-0x000000000034C000-memory.dmp

                    Filesize

                    624KB

                  • memory/1732-54-0x00000000002B0000-0x000000000034C000-memory.dmp

                    Filesize

                    624KB

                  • memory/1732-49-0x000007FFFFFD8000-0x000007FFFFFD9000-memory.dmp

                    Filesize

                    4KB

                  • memory/1732-47-0x0000000000020000-0x0000000000021000-memory.dmp

                    Filesize

                    4KB

                  • memory/2120-102-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                    Filesize

                    4KB

                  • memory/2120-99-0x0000000000080000-0x00000000000A0000-memory.dmp

                    Filesize

                    128KB

                  • memory/2120-106-0x0000000000080000-0x00000000000A0000-memory.dmp

                    Filesize

                    128KB

                  • memory/2164-109-0x0000000000E70000-0x0000000000ECE000-memory.dmp

                    Filesize

                    376KB

                  • memory/2172-43-0x00000000000D0000-0x00000000000F0000-memory.dmp

                    Filesize

                    128KB

                  • memory/2172-31-0x00000000000D0000-0x00000000000F0000-memory.dmp

                    Filesize

                    128KB

                  • memory/2172-39-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                    Filesize

                    4KB

                  • memory/2172-33-0x00000000000D0000-0x00000000000F0000-memory.dmp

                    Filesize

                    128KB

                  • memory/2828-112-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

                    Filesize

                    4KB

                  • memory/2828-113-0x0000000000250000-0x00000000002EC000-memory.dmp

                    Filesize

                    624KB

                  • memory/2828-117-0x0000000000250000-0x00000000002EC000-memory.dmp

                    Filesize

                    624KB

                  • memory/2888-30-0x0000000000920000-0x0000000000921000-memory.dmp

                    Filesize

                    4KB