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Analysis

  • max time kernel
    156s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/12/2022, 02:37

General

  • Target

    d5658d17709d4ec1f839d2c6faabc2321cb2fa59c290f3b053bfd6fbcc5e1a56.exe

  • Size

    54KB

  • MD5

    b047aa40129dc10333cf02d9935db56b

  • SHA1

    eaefbe8544b5606bb68dd46f328d806563f0461e

  • SHA256

    d5658d17709d4ec1f839d2c6faabc2321cb2fa59c290f3b053bfd6fbcc5e1a56

  • SHA512

    239686a964b2f4ee5c6ca6b533cca9aa0a00e34baf22f47a4b03a441293a16b34af24756cc9cb30fe0c2346f7930445c1525ae38647f57f43367fc149b2f6b37

  • SSDEEP

    384:aIQwN/ZxDnD90Ypw76YLC9rFA7DiJMkiAnt9+iI/l7Lum:bjN/3Oj7FC9rFK2Aot9+io9um

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5658d17709d4ec1f839d2c6faabc2321cb2fa59c290f3b053bfd6fbcc5e1a56.exe
    "C:\Users\Admin\AppData\Local\Temp\d5658d17709d4ec1f839d2c6faabc2321cb2fa59c290f3b053bfd6fbcc5e1a56.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4684
    • C:\Users\Admin\AppData\Local\Temp\smcoc.exe
      "C:\Users\Admin\AppData\Local\Temp\smcoc.exe"
      2⤵
      • Executes dropped EXE
      PID:3404

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    55KB

    MD5

    cab6f1db32d87368900983f0f44c00f7

    SHA1

    61261d80470ae2bd25693d5994ca90d54ac2de0f

    SHA256

    955690a684982382e6e90f86c1503ba9b5b30e4b4df51a245b8ae2e133b52762

    SHA512

    6fdd4325de197532527ed209f2e1c958515d4f6112b92f8ee73d3885727aa33ab1054284ad832bb1a10a8e956108da8f26f39bf395f86381f40f9dd7e4fbcdb2

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

    Filesize

    55KB

    MD5

    cab6f1db32d87368900983f0f44c00f7

    SHA1

    61261d80470ae2bd25693d5994ca90d54ac2de0f

    SHA256

    955690a684982382e6e90f86c1503ba9b5b30e4b4df51a245b8ae2e133b52762

    SHA512

    6fdd4325de197532527ed209f2e1c958515d4f6112b92f8ee73d3885727aa33ab1054284ad832bb1a10a8e956108da8f26f39bf395f86381f40f9dd7e4fbcdb2

  • memory/3404-136-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/4684-132-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB