Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-11-2024 19:02

General

  • Target

    189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe

  • Size

    158KB

  • MD5

    75dc72ddff388d4c2e6ba9695fa50448

  • SHA1

    dbf6f71a79c56fc3b7bdd9bfe3e3681d30fdda0e

  • SHA256

    189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4

  • SHA512

    bf73916f69c6d76037d2a5b6aefc051a727f6260ba17fd613eb5c868d389b59c84ee2a6e17434c362bc194361bbcfc5b3ec17285c8a357be2b67cb67eeaf3c54

  • SSDEEP

    3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dI:OPjEl6jLiQ1JW+Oy3p/

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe
    "C:\Users\Admin\AppData\Local\Temp\189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\swxxs.exe "C:\Users\Admin\AppData\Local\Temp\189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:404
      • C:\Users\Admin\AppData\Local\Temp\swxxs.exe
        C:\Users\Admin\AppData\Local\Temp\\swxxs.exe "C:\Users\Admin\AppData\Local\Temp\189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4136
        • \??\c:\Program Files\vfrib\lutstvktx.exe
          "c:\Program Files\vfrib\lutstvktx.exe" "c:\Program Files\vfrib\lutstvktx.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\swxxs.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\vfrib\lutstvktx.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

    Filesize

    158KB

    MD5

    c1e7e77a37760322d2ca8771e487880a

    SHA1

    1205379a4041e3de91e3e1861b9301fb16c02a32

    SHA256

    ce2fdf1e49fed0dfd35adf39f0e1e63c27fe774e68d7da999e6dd252d30851d2

    SHA512

    cc9728ebbd8b1a1ca9c511f8c5befa2eb78d8260f9bbbcec770038cf5032966cafbb3131fea5073988e55518511dab58ca97524fc09364a2a073ad06e2cc56c0

  • \??\c:\Program Files\vfrib\lutstvktx.dll

    Filesize

    128KB

    MD5

    4fbce572dacc27a33a3b72e54e7d0848

    SHA1

    852c305d936e8f41fe99e36c56c9f2b316693446

    SHA256

    28df686f26473a559eb8ad39b47b25a5eed6093773c4121a4948e54562f57436

    SHA512

    d5d301b9dd9568ef751171f67cec8f036407dce8934539e8e2003224e8d1574c9e31447c15b9be93098e467cad9aca8a584d7c63c27bfab855d674f02cebb8b1

  • memory/3656-16-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/3656-17-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/3656-19-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/3656-21-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/4136-6-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/4136-12-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/4660-0-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/4660-2-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB