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Analysis

  • max time kernel
    119s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/07/2024, 09:33

General

  • Target

    a4a37a371f2cfe7533e49d580a18b750N.exe

  • Size

    78KB

  • MD5

    a4a37a371f2cfe7533e49d580a18b750

  • SHA1

    3bad7bfe740ba3cc088090853c8454fca5325ef4

  • SHA256

    ae01a3477518c8a8250a0bba3e12006706633cbfe96ba9c637e64e9b27fc17cb

  • SHA512

    b54f688e69935886621987f5e4c6e5c415cf48cd45a9ac8771bf4821a650e4004593f89db598b0ed17f43e0bd7b74c417a1b13e88386c6acf9f0b5c8d2834f4b

  • SSDEEP

    1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8NCuXYRY5I2I2:fnyiQSoDuXuv32

Score
9/10

Malware Config

Signatures

  • Renames multiple (4316) files with added filename extension

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

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4a37a371f2cfe7533e49d580a18b750N.exe
    "C:\Users\Admin\AppData\Local\Temp\a4a37a371f2cfe7533e49d580a18b750N.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2472

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1705699165-553239100-4129523827-1000\desktop.ini.tmp

    Filesize

    78KB

    MD5

    193f1535a96126a07b3e371f5051d709

    SHA1

    f4b42040c96020fcb5302f521192a0c18b2e1497

    SHA256

    a3b19db6c7d67f79f5c77ecfd781a9d679077fd153d3311511e4d11779a12fda

    SHA512

    1c4e20b0ef4f1c3745371b1e51918339a9b4edd09ac71e1df48adcef795f0ad4f6496561429f5d93008eb038671426f409eba82cede30b43068acc71b5707efe

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

    Filesize

    177KB

    MD5

    083acfe8d0abd6cb1199fa2f1abe1ec2

    SHA1

    fcf445bf43d076864715fcc971d0904cc33adf69

    SHA256

    fe129bad9728a079d5f08ab2a35f56817319a41f80a6afd0a75b42257f44ba85

    SHA512

    6ca74f278af9a3127d5f0787b99c21447eeca95848ca4a0e89ff862f9467c26b0436aaac7d6ff0f5ddd592ddfd8a9768736a063a474454e671bae6b5ca8a29bd

  • memory/2472-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2472-1786-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB