Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 19:15

General

  • Target

    virussign.com_7375e925f6109f308dc4834ea196f2c0.exe

  • Size

    94KB

  • MD5

    7375e925f6109f308dc4834ea196f2c0

  • SHA1

    9c2ab2a8c6e69584d3c568a854cef9ee56750cea

  • SHA256

    e8ab7df1f54f88608cb25a973a327506015945ac369dc9981cfd7c6fdaeb1d26

  • SHA512

    60a668463c27cbf3fc4ae18f591674f475f648115b3f3f0cd7d1f83da4c3ba5a425cb0ac357d1a20902f7ab2d08388b3976789c9868622aa7e8473c6bd77af0b

  • SSDEEP

    768:W7BlpQpARFbh2UM/zX1vqX1vLFB5W5KcMcoYJIJDYJb:W7ZQpApjIKTie+1

Score
9/10

Malware Config

Signatures

  • Renames multiple (3444) 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_7375e925f6109f308dc4834ea196f2c0.exe
    "C:\Users\Admin\AppData\Local\Temp\virussign.com_7375e925f6109f308dc4834ea196f2c0.exe"
    1⤵
    • Drops file in Program Files directory
    PID:1804

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    95KB

    MD5

    1208fc077a3149f2975d27eed6d152bd

    SHA1

    1907a3d5cbe8a6638dd328820c58857136e35022

    SHA256

    963111afc3cc2a7e8db4a7666827d5d902516ab5dd10371e6f3be04f54713155

    SHA512

    361ebe26fe3d27569ad2533f53c2a6b5c64ed922bbad8a9b606d287074d4aa882dfcc881f2e637bec5e4ff9ffc01378a3c8cb3f5909b15bb27eae38fd776d450

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

    Filesize

    104KB

    MD5

    0980343879f7dffb28eea4cd7da1636b

    SHA1

    805effbd6f1343c118104897e27dcc987b14b9cf

    SHA256

    82ba99e14bba80af2b01b76a1c4caf8e65f9d5a1981ab53fb8d74591f110bf66

    SHA512

    ecdce9b89d65365a86e6d8184e6a441d4c74c73c0a2b9e50183955771c8ab25022486b6f104d88c544ed0d03ac57eae6065b23e73675e2542d6335fab5d234cd