Analysis

  • max time kernel
    141s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2024, 13:59

General

  • Target
    4B1B478EEB0589CBE9CAB895F88E18476799C30416571367E004EBAA48592CFD.exe
  • Size 4.3MB
  • Sample240724-rad2xasenh
  • SHA256 78574136f547b2da59dc1b6cc7934345e22c74c85d31850e4d9b244839af010f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 10 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • AutoIT Executable 8 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 22 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • NTFS ADS 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4B1B478EEB0589CBE9CAB895F88E18476799C30416571367E004EBAA48592CFD.exe
    "C:\Users\Admin\AppData\Local\Temp\4B1B478EEB0589CBE9CAB895F88E18476799C30416571367E004EBAA48592CFD.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4144
    • C:\Users\Admin\AppData\Local\Temp\sAQxgVWt.exe
      C:\Users\Admin\AppData\Local\Temp\sAQxgVWt.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\34d222e3.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5084
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\Desktop\*.txt" "C:\Users\Admin\AppData\Local\Temp\4578\_Files"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4020
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Local\google\chrome\User Data\Default\Web Data" "C:\Users\Admin\AppData\Local\Temp\4578\_Chrome\default_webdata.db"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3532
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Local\google\chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\4578\_Chrome\default_logins.db"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5032
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Local\google\chrome\User Data\Default\Cookies" "C:\Users\Admin\AppData\Local\Temp\4578\_Chrome\default_cookies.db"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4816
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Local\google\chrome\User Data\Default\Network\Cookies" "C:\Users\Admin\AppData\Local\Temp\4578\_Chrome\default_cookies.db"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2548
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Web Data" "C:\Users\Admin\AppData\Local\Temp\4578\_Edge\default_webdata.db"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1744
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\4578\_Edge\default_logins.db"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:336
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cookies" "C:\Users\Admin\AppData\Local\Temp\4578\_Edge\default_cookies.db"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4688
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Cookies" "C:\Users\Admin\AppData\Local\Temp\4578\_Edge\default_cookies.db"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3180
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles/laf7sfwr.Admin\formhistory.sqlite" "C:\Users\Admin\AppData\Local\Temp\4578\_Firefox\formhistory.sqlite"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4276
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles/laf7sfwr.Admin\cookies.sqlite" "C:\Users\Admin\AppData\Local\Temp\4578\_Firefox\cookies.sqlite"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:860
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles/laf7sfwr.Admin\signons.sqlite" "C:\Users\Admin\AppData\Local\Temp\4578\_Firefox\signons.sqlite"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3028
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles/laf7sfwr.Admin\logins.json" "C:\Users\Admin\AppData\Local\Temp\4578\_Firefox\logins.json"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3468
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles/laf7sfwr.Admin\key3.db" "C:\Users\Admin\AppData\Local\Temp\4578\_Firefox\key3.db"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1608
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c copy /Y "C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles/laf7sfwr.Admin\key4.db" "C:\Users\Admin\AppData\Local\Temp\4578\_Firefox\key4.db"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2504
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c expand.exe "C:\Users\Admin\AppData\Local\Temp\eKnst9e.tmp" -F:* "C:\Users\Admin\AppData\Roaming\ServiceGet" & schtasks /create /tn \Service\Diagnostic /tr """"C:\Users\Admin\AppData\Roaming\ServiceGet\Kavuro.exe""" """C:\Users\Admin\AppData\Roaming\ServiceGet\Kavuro.dat"""" /st 00:01 /du 9800:19 /sc once /ri 1 /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4404
      • C:\Windows\SysWOW64\expand.exe
        expand.exe "C:\Users\Admin\AppData\Local\Temp\eKnst9e.tmp" -F:* "C:\Users\Admin\AppData\Roaming\ServiceGet"
        3⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:4740
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn \Service\Diagnostic /tr """"C:\Users\Admin\AppData\Roaming\ServiceGet\Kavuro.exe""" """C:\Users\Admin\AppData\Roaming\ServiceGet\Kavuro.dat"""" /st 00:01 /du 9800:19 /sc once /ri 1 /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4856
  • C:\Users\Admin\AppData\Roaming\ServiceGet\Kavuro.exe
    C:\Users\Admin\AppData\Roaming\ServiceGet\Kavuro.exe "C:\Users\Admin\AppData\Roaming\ServiceGet\Kavuro.dat"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3568

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        k2[1].rar

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\AF6HG05X\k2[1].rar
        • Size 4B
        • SHA256 b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
        • MD5 SHA1 SHA512

        1D3825E3.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1D3825E3.exe
        • Size 4B
        • SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
        • MD5 SHA1 SHA512

        34d222e3.bat

        • Path C:\Users\Admin\AppData\Local\Temp\34d222e3.bat
        • Size 191B
        • SHA256 4b0be14cf5d1506290dc28052ee70796a2277ff599a773ec39b760ba0a6b63b5
        • MD5 SHA1 SHA512

        4578.zip

        • Path C:\Users\Admin\AppData\Local\Temp\4578.zip
        • Size 40KB
        • SHA256 6fe99fe791e97715d1ba9f436ae7294ef5d300f913fa0aa20beb07f1f14d1e34
        • MD5 SHA1 SHA512 SSDEEP

        4578.zip

        • Path C:\Users\Admin\AppData\Local\Temp\4578.zip
        • Size 22B
        • SHA256 8739c76e681f900923b900c9df0ef75cf421d39cabb54650c4b9ad19b6a76d85
        • MD5 SHA1 SHA512

        default_cookies.db

        • Path C:\Users\Admin\AppData\Local\Temp\4578\_Chrome\default_cookies.db
        • Size 20KB
        • SHA256 ccd15f9c7a997ae2b5320ea856c7efc54b5055254d41a443d21a60c39c565cb7
        • MD5 SHA1 SHA512 SSDEEP

        default_logins.db

        • Path C:\Users\Admin\AppData\Local\Temp\4578\_Chrome\default_logins.db
        • Size 40KB
        • SHA256 42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914
        • MD5 SHA1 SHA512 SSDEEP

        default_webdata.db

        • Path C:\Users\Admin\AppData\Local\Temp\4578\_Chrome\default_webdata.db
        • Size 114KB
        • SHA256 94bd8365e5ee537a4922f4032cb28cd0357db8a3eaa522cc85ba19d70935ba1d
        • MD5 SHA1 SHA512 SSDEEP

        default_cookies.db

        • Path C:\Users\Admin\AppData\Local\Temp\4578\_Edge\default_cookies.db
        • Size 20KB
        • SHA256 d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f
        • MD5 SHA1 SHA512 SSDEEP

        default_logins.db

        • Path C:\Users\Admin\AppData\Local\Temp\4578\_Edge\default_logins.db
        • Size 48KB
        • SHA256 c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a
        • MD5 SHA1 SHA512 SSDEEP

        default_webdata.db

        • Path C:\Users\Admin\AppData\Local\Temp\4578\_Edge\default_webdata.db
        • Size 116KB
        • SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
        • MD5 SHA1 SHA512 SSDEEP

        autA7D9.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\autA7D9.tmp
        • Size 403KB
        • SHA256 44eed8e22a57bdb002cbcc7c3c852f5aa30086c3ff5ef87b0dca671ea7fc0288
        • MD5 SHA1 SHA512 SSDEEP

        sAQxgVWt.exe

        • Path C:\Users\Admin\AppData\Local\Temp\sAQxgVWt.exe
        • Size 15KB
        • SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
        • MD5 SHA1 SHA512 SSDEEP

        Kavuro.dat

        • Path C:\Users\Admin\AppData\Roaming\ServiceGet\Kavuro.dat
        • Size 87KB
        • SHA256 7a68aca479919084101de9dadc3ea03828f70c6cebbb26baf0affd3021fa0587
        • MD5 SHA1 SHA512 SSDEEP

        Kavuro.exe

        • Path C:\Users\Admin\AppData\Roaming\ServiceGet\Kavuro.exe
        • Size 872KB
        • SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
        • MD5 SHA1 SHA512 SSDEEP

        memory/2064-69-0x0000000000640000-0x0000000000649000-memory.dmp

        memory/2064-5-0x0000000000640000-0x0000000000649000-memory.dmp

        memory/4144-0-0x0000000000970000-0x00000000012A0000-memory.dmp

        memory/4144-10-0x0000000000970000-0x00000000012A0000-memory.dmp

        memory/4144-14-0x0000000000970000-0x00000000012A0000-memory.dmp

        memory/4144-15-0x0000000000970000-0x00000000012A0000-memory.dmp

        memory/4144-13-0x0000000000970000-0x00000000012A0000-memory.dmp

        memory/4144-12-0x0000000000970000-0x00000000012A0000-memory.dmp

        memory/4144-9-0x0000000000970000-0x00000000012A0000-memory.dmp

        memory/4144-11-0x0000000000970000-0x00000000012A0000-memory.dmp

        memory/4144-8-0x0000000000970000-0x00000000012A0000-memory.dmp

        memory/4144-151-0x0000000000970000-0x00000000012A0000-memory.dmp

        memory/4144-7-0x0000000077904000-0x0000000077906000-memory.dmp