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Analysis

  • max time kernel
    151s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09/08/2024, 20:38

General

  • Target

    $R0.exe

  • Size

    3.0MB

  • MD5

    a08fd6b425099dc32db7318fc9a78591

  • SHA1

    660653eba914c23702f9b25d52e3d6cdeadd8726

  • SHA256

    b2ad90b6d449a756f13391e414b6497706b86f58906ae339070481a8c240e91f

  • SHA512

    02e99b8e884c0ee84e1fdaf6926a8156e4cf4bcef1709fd8c86ca8968190d6870840d79e37e4d507d1dcd6e84aca45f7ad71a9c7b90c42a149dd7f259809a6dd

  • SSDEEP

    49152:LQr1Prz8LG9mg2Un4EI608/v0JV14uEZCIh12AAPUosg:cvT9mg2Un4F8/8JguEZC4qP97

Malware Config

Signatures

  • 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.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$R0.exe
    "C:\Users\Admin\AppData\Local\Temp\$R0.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 1392
      2⤵
      • Program crash
      PID:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1876-0-0x000000006FFF0000-0x0000000070000000-memory.dmp

    Filesize

    64KB

  • memory/1876-4-0x0000000075804000-0x0000000075805000-memory.dmp

    Filesize

    4KB

  • memory/1876-5-0x00000000757F0000-0x0000000075900000-memory.dmp

    Filesize

    1.1MB

  • memory/1876-8-0x000000006FFF0000-0x0000000070000000-memory.dmp

    Filesize

    64KB

  • memory/1876-9-0x000000006FFF0000-0x0000000070000000-memory.dmp

    Filesize

    64KB

  • memory/1876-26-0x00000000757F0000-0x0000000075900000-memory.dmp

    Filesize

    1.1MB