Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    14-11-2023 09:00

General

  • Target

    NEAS.70f3da7d558e9956bf97df21697308e4.exe

  • Size

    44KB

  • MD5

    70f3da7d558e9956bf97df21697308e4

  • SHA1

    0e2842a0870e65026a561066b566f62101836ac0

  • SHA256

    f0e156b33834167bf37a819bfa5ed269a0c2b1fefdacf056f0c3f0d70d0af071

  • SHA512

    a1f9f314470706a74ac76f3f86fed197275847345b5ec1f1f71e2e4ebded578ead906713baee949804da388ffb38f79815d94fb7a6d9259ca15c8b6b229fd76a

  • SSDEEP

    768:W7BlphA7pARFbh+WRWzdWRWzXIlISYJIJDYJq47u47h:W7ZhA7pApuIlIhe+F7T7h

Score
9/10

Malware Config

Signatures

  • Renames multiple (1998) 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\NEAS.70f3da7d558e9956bf97df21697308e4.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.70f3da7d558e9956bf97df21697308e4.exe"
    1⤵
    • Drops file in Program Files directory
    PID:1564

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2952504676-3105837840-1406404655-1000\desktop.ini.tmp

    Filesize

    44KB

    MD5

    a8511d549841c7f39ea9d7824c0cfd72

    SHA1

    a0140554998f5700c9857311b1500555ec8b5e6d

    SHA256

    163b614c9b33641f3a1016596098a37fad159cc568358edf8d0b7ad437529840

    SHA512

    42c8f2d5bbb857065b01b7067910574aca40c90df1b2eee02ae588f500ed88d63aeb6bba05de0c81a3eec4fbf10d9414711904ec2976b47271f5002231e80684

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

    Filesize

    53KB

    MD5

    6959048fb8ed4276f84228e7cf2f5efa

    SHA1

    30102fc8ff41f736cfae650dd586c333ff9ce33f

    SHA256

    18e45612c1f56fc1bc29236056d07fd270a0e70d595600846c4517a3f8414b5a

    SHA512

    aad23c55924fcc889c5ddc8c11e65c7b74b210fb8b98bbc3374121717328df385a2284951e741e00effcf3a4fed0961efe2139af04e735fb382c58439b36b4ae