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Analysis

  • max time kernel
    120s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 04:01

General

  • Target

    a22a00f20241bce38b3ebf765bbd63b2e88b9bedc21f848f4117dcd76b58a022N.exe

  • Size

    38KB

  • MD5

    91f5c514f76e87a591dc6f6616db8a50

  • SHA1

    5695a4aee8714beff15fde04e3c526db6f178be0

  • SHA256

    a22a00f20241bce38b3ebf765bbd63b2e88b9bedc21f848f4117dcd76b58a022

  • SHA512

    7635829f56f8ef61e43a0462769ce84800bbbdaea7ce06e4b1d51b0be92fb9a45bf02b7ed030f157875db0c562b9fb3c404608b65161a1ad7ac481c8c1e2337d

  • SSDEEP

    768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATBHfBo8o3PIJ99J9v:CTW7JJZENTBHfiPIJ99J9v

Malware Config

Signatures

  • Renames multiple (4640) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\a22a00f20241bce38b3ebf765bbd63b2e88b9bedc21f848f4117dcd76b58a022N.exe
    "C:\Users\Admin\AppData\Local\Temp\a22a00f20241bce38b3ebf765bbd63b2e88b9bedc21f848f4117dcd76b58a022N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3442511616-637977696-3186306149-1000\desktop.ini.tmp

    Filesize

    38KB

    MD5

    5a42f9ea109339a23c4af0bccfb596f0

    SHA1

    478aa437bcbb3c6cac1ae51952c687548caebf4d

    SHA256

    e91831979692fe2edf06a11eb856a0c6bfbd43b2f8be34c85e6d7b97db80e34c

    SHA512

    e39e909649c756c06c04bfce479a86f2c416f99e8f7a13033da902eaf8163607bb214ca4b1ab75a6de9d5f665a04c3664cf843cc349ace733473f0c2930db914

  • C:\Program Files\7-Zip\7-zip.dll.tmp

    Filesize

    137KB

    MD5

    36a25acad2597c83eb5dd0e8f68ec347

    SHA1

    2dfdb39d06c98e3a4fb59b807a8e17b40fb2bf20

    SHA256

    734be3a97e43069a625dca8928cffcaf8cd1e970d75937680ead7274fe3f7dd8

    SHA512

    965e8292a47f6fb222533a9059e11d113ac87969ac7556a12a6fa2f57b8d558744181ce13708d9ab8b892189df6d7054c6efcc140fce2dd1422245e7625dcff8

  • memory/3664-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/3664-788-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB