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Analysis

  • max time kernel
    148s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 13:57

General

  • Target

    239fb03803401d347b4e2be61a863c66.exe

  • Size

    200KB

  • MD5

    239fb03803401d347b4e2be61a863c66

  • SHA1

    08092635e345aa8cdc0eba74ad7f47fb1fb07ded

  • SHA256

    6e07fc72c928d623647cfdb442c97cf4f9824a3fa0389f1256ca4586cd449053

  • SHA512

    c32a64c569a6a484da0dd62bf6ddfaed515fc74b1d814599ded40aefb2f544f25d1c62333a8ad2795dc43ca2ba0a338579c239d0d616cd23dbd78af9b91d1299

  • SSDEEP

    3072:pd9SZZ8jprujIivwslnsn9+JuJbfoL2wVHTZhQTWVyc+LpfJQlKT/ZC4:r9S5vwslnsn9+JuJbfoL2wVH9eI+NJL

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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 53 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\239fb03803401d347b4e2be61a863c66.exe
    "C:\Users\Admin\AppData\Local\Temp\239fb03803401d347b4e2be61a863c66.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Users\Admin\lcdoiw.exe
      "C:\Users\Admin\lcdoiw.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
      PID:4076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\lcdoiw.exe

    Filesize

    92KB

    MD5

    c9ef579085302d1fcaef274834013d7c

    SHA1

    9339c04bece937c2e2e74ee5fb2a0fab0f03d423

    SHA256

    28a19f9e43910e378ffe1fe7dd831e44fcd482123014eb4bba467c530df303d9

    SHA512

    0fc4bf0a7dce4f10c68427e93693560f9f973248b2e84072115b7bc03ef8aced34b24af5ae37e560f07ce3d17d3d64508d521a9ff7054c78826e8b5d31d9652d