Analysis

  • max time kernel
    141s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 01:30

General

  • Target

    c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe

  • Size

    158KB

  • MD5

    2942111edb70443e706bbbda28c915d5

  • SHA1

    b526a8f0da11f15625d63b38361eb4eb02fd56a2

  • SHA256

    c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7

  • SHA512

    b2e209c0825410dfff07d952c310b0052ff37ddf52c8f0082ff0f1de31ca9a92bcd3830dd34c12b48a0422808a4a9afbfaaf96e681afb6e31a3a02ab6f4ec91f

  • 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\c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe
    "C:\Users\Admin\AppData\Local\Temp\c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\fnzqyukpt.exe "C:\Users\Admin\AppData\Local\Temp\c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4756
      • 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:1976
      • C:\Users\Admin\AppData\Local\Temp\fnzqyukpt.exe
        C:\Users\Admin\AppData\Local\Temp\\fnzqyukpt.exe "C:\Users\Admin\AppData\Local\Temp\c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.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:2728
        • \??\c:\Program Files\osjjr\sysyoeytc.exe
          "c:\Program Files\osjjr\sysyoeytc.exe" "c:\Program Files\osjjr\sysyoeytc.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\fnzqyukpt.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:3548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\osjjr\sysyoeytc.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

    Filesize

    158KB

    MD5

    77864874a9040e213c1e961ab311e9ae

    SHA1

    be646f5de0013c6c0025f69f08935c1b482e7677

    SHA256

    85a5f6319a9940c227644ed05dc1f8e49d30df6adff5dd18b22e8d1c1c70d562

    SHA512

    36fabdee39552571779b93593fd7114dcf1c6df3c5f1a55752e2ddc926f57256d219a142e3281eb49be3f79e14db1170ef9478357042d0c28f8b695411b55470

  • \??\c:\Program Files\osjjr\sysyoeytc.dll

    Filesize

    128KB

    MD5

    ffa4c2adf4f65b9f06ae4c905d966cfb

    SHA1

    f0d5439b37d2278bd350ab903ad3814b9dd0f729

    SHA256

    63aed663e6f513e5a1a80b517b796fcfdc1098d89e0e377f01c0891f8870f0a9

    SHA512

    3081e90046f4197032348eecd606081ffd645267032a81a6f6873b52eb73daa860d9f5c66e10d612eef7ff9687dd6a4448cb00a4ce357dcc96359f0c82571c53

  • memory/2612-0-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2612-2-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2728-6-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/2728-13-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/3548-16-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/3548-17-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/3548-19-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/3548-21-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB