Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    28/05/2024, 17:49

General

  • Target

    virussign.com_84fd68a547e2e7b002bb25470b3b66e0.exe

  • Size

    88KB

  • MD5

    84fd68a547e2e7b002bb25470b3b66e0

  • SHA1

    4681d3b9834bb018cfdb46616596234d2768f469

  • SHA256

    e98adff5906546bed4988ee5c91f477775c07ddc8cb354701300baeccba432f3

  • SHA512

    ff457716688da995d02c50dda187e75afd0dcfda8ee57eed33f314bb22cb80c13b78475b0849776335cab59305d397c9e3399d3c8dfa7df6726ef7ed9fede696

  • SSDEEP

    1536:W7ZhA7pApMaxB4b0CYJ97lEVqNR7Yge+eJG/x/DMc:6e7WpMaxeb0CYJ97lEYNR73e+eKZ1

Score
9/10

Malware Config

Signatures

  • Renames multiple (3457) files with added filename extension

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

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\virussign.com_84fd68a547e2e7b002bb25470b3b66e0.exe
    "C:\Users\Admin\AppData\Local\Temp\virussign.com_84fd68a547e2e7b002bb25470b3b66e0.exe"
    1⤵
    • Drops file in Program Files directory
    PID:1260

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2248906074-2862704502-246302768-1000\desktop.ini.tmp

    Filesize

    88KB

    MD5

    94ba6bf88dfd7f59e1a7e3f9ecb48637

    SHA1

    7842be5dab9756539686b9df0698373877db2ba8

    SHA256

    fe28c52f7a1e3e055bd687f322000ee55fdf8cba58b55c629795815497ca8d3a

    SHA512

    07942e42cdac885c9db97de367b5a606648021d09e148141e9812e2d2c2cc583a5e6a1bddbb89a7e2a1f259dde61312d473870623c5d49648709a4f9fc25fda1

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

    Filesize

    97KB

    MD5

    a3588fa27be35aca6cc0551dfe68bd19

    SHA1

    621515d9e9d2f7c364e4ed14ae36c38ed8610d74

    SHA256

    1f98113125e23eb20b9caa1011d06609f062e5438e5be2b4479bc388cdd6592b

    SHA512

    dba72a6d34e45d4642183913ab271ebdc449a3d7d8c581c13080581694c9596358433b447c48a4090b1abde3af2e6e4fe5e64520f6d3fe5168ca466e5675460e