Analysis

  • max time kernel
    150s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/05/2024, 01:34

General

  • Target

    a403a3c89d5e7a7055b3441fece41d6ab1b1238c7b393f0a57cdba1eccd852cc.exe

  • Size

    85KB

  • MD5

    603837aa573c79dd5b1d8e7e87d1c466

  • SHA1

    caab142aaae3cdf62c5f79cde30196de220e2eeb

  • SHA256

    a403a3c89d5e7a7055b3441fece41d6ab1b1238c7b393f0a57cdba1eccd852cc

  • SHA512

    ab9b7bd268952723fd70bf1e8ed03f6974e385ac6dbfa0b446cf8fd8dc4d84f2b48f671c4731f3182c0bec521b2661f35d5d8590444cdaea8022c4b5dc1d0f78

  • SSDEEP

    1536:W7ZhA7pApMaxB4b0CYJ97lEVqNR7Yge+eJG/x/tuTUD:6e7WpMaxeb0CYJ97lEYNR73e+eKZtuM

Score
9/10

Malware Config

Signatures

  • Renames multiple (5060) 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\a403a3c89d5e7a7055b3441fece41d6ab1b1238c7b393f0a57cdba1eccd852cc.exe
    "C:\Users\Admin\AppData\Local\Temp\a403a3c89d5e7a7055b3441fece41d6ab1b1238c7b393f0a57cdba1eccd852cc.exe"
    1⤵
    • Drops file in Program Files directory
    PID:1936

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-3726321484-1950364574-433157660-1000\desktop.ini.tmp

    Filesize

    85KB

    MD5

    c144cb0a92c603c9f9a769dc010763f4

    SHA1

    df001eaf4334434ad99e2b992057dd7fd3d70a23

    SHA256

    9871d20f64023c3f5e8647c874445a800afd765a0d8bf7ca2ba976ad22374801

    SHA512

    fc2e5e75481db3b6aa3ae2984367b09392c8e7bee16eb83c1e60027f56f3ea505c70badea347e3e1499db87bf6f2ef7fc18178ec2d7324a7b95c32b1711db695

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

    Filesize

    184KB

    MD5

    f2902481328872ede5e450e9e9b091ae

    SHA1

    016320fdb52bdeabdf7cf1f4ac1493f1cf54e44a

    SHA256

    1ee02e2972a863e7b9c09bfccd6fe868e3d5b531c6f73bd4e09e5f08abb4b862

    SHA512

    11b039afb23de1d53c041914b8ebf47047f86673ad9c6e6e216750263fb2f682e324487c6fcdd07421d58c38732267cfb792ff564398a272c3f7ebfad1528d5c