Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    15-11-2023 01:41

General

  • Target

    NEAS.823cc5a8ae7f211464cf4bd837335770.exe

  • Size

    81KB

  • MD5

    823cc5a8ae7f211464cf4bd837335770

  • SHA1

    c83e436af4ebd84f2abaa8f6619a59b3aaec60e5

  • SHA256

    116f9615c0c381dc44d0124ccb6b32225e583e62a2377310a8e64c443ac1f400

  • SHA512

    ec3ee6a1222ebece08e71e31545528534d181f1ad823cb2a8df29d501f89ec4feac66f98c864b2d3c905a32b643bf77d4c3506255141d599e2b927a13ed593b6

  • SSDEEP

    1536:W7Z2sspApkZrZnZrZHZrZ1iqktYtlXGkR2SfXGkR2SZ:62ssWpQXGkR2SfXGkR2SZ

Score
9/10

Malware Config

Signatures

  • Renames multiple (1020) 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.823cc5a8ae7f211464cf4bd837335770.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.823cc5a8ae7f211464cf4bd837335770.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2228

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1861898231-3446828954-4278112889-1000\desktop.ini.tmp

    Filesize

    81KB

    MD5

    b4649ac58b7b76f32f801de211267a8e

    SHA1

    cfafb0d809d0c8157340a04d666770a85b353107

    SHA256

    d7767552aa7ff85ee671db65fb10d3af47147f79e0685edcfbdf679b37f0b10b

    SHA512

    fd0d7a6f186ac0e2616255c159306465649906899fb5afee5015d7bf4bc3f5313236c0fa11b509a66ac3565c94e585e8aa7d460c343215bd1d050e3dd1024960

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

    Filesize

    90KB

    MD5

    bf550aef4efc7c5f9e57b8c030a8ccde

    SHA1

    24da5f535c6503f8d0f396106f559a2d57394c11

    SHA256

    5150215f362001e792f5ebace91a5b7e045da8995752eca052028750b8e0b26c

    SHA512

    38f16c6c00469574c1e8f9dfeed58e859325f7ee78318556052c7fc86829e0f4a8edbfe0ef3fcda315b745a3b2615ac8b8a9b446d9135017914ad93e648c71aa