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Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 08:00

General

  • Target

    8bcfe142bd3a6d6d86ff897d1b705962.exe

  • Size

    120KB

  • MD5

    8bcfe142bd3a6d6d86ff897d1b705962

  • SHA1

    28179cf6de3453c21cf8ed3629cfc5ee5401710b

  • SHA256

    48613d6ea2deb26cd487919af8d199537183ccc864a6ac23a128126d499aca29

  • SHA512

    d8c409e6da02c5ac50e672b309643b41cfcecb6df6d0f0e04537e70466f2229e1083776dd3f88e02a637df79d6ffef8215e30fdf20a15e02ffd348f617c82f7f

  • SSDEEP

    768:jUr0ALRRnc/XOXVLW2qZ1RisVDaWGNMMMNMUF7//mk8KacrZxbjARZ+tRWp:oFbcvwNWhZ1X7//mkjZxbURZ+tRW

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8bcfe142bd3a6d6d86ff897d1b705962.exe
    "C:\Users\Admin\AppData\Local\Temp\8bcfe142bd3a6d6d86ff897d1b705962.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\boiodi.exe
      "C:\Users\Admin\boiodi.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\boiodi.exe

    Filesize

    120KB

    MD5

    9d783b370cccfd0de64efebc224df87b

    SHA1

    a6037ff6ea8cc5a877305773a51785e93090aa86

    SHA256

    7b172390b7047ae0d244f29a1b1d263593ca5a7073f21c8d9b314054dcf365af

    SHA512

    d0c8d7ee7f171312478f9091a8a10be0d84900d9c02f542fce851cb605b254567823e8d4ea820382bfd11148002c3039ef3f2ddc8faa0405ab4a9e40ca2cc11f

  • memory/2652-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4376-34-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB