Analysis

  • max time kernel
    150s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 21:11

General

  • Target

    453423f00856b7bb0037fca5ec59554ff0e87936223161d78ef72d5d07592059.exe

  • Size

    1.2MB

  • MD5

    6c5dc914873107c8cb9282c6624053a1

  • SHA1

    75978d2882828a167c49a350e0dbbc836e5498b1

  • SHA256

    453423f00856b7bb0037fca5ec59554ff0e87936223161d78ef72d5d07592059

  • SHA512

    582f955adfaae570974f0464fc73677fb5107507ff12b78323c27f22bcf53dc23f97e942887ac410e6f2ec52decacb2243ec8731d966c1a5befbdd55f11cac03

  • SSDEEP

    12288:KQtyZGtKgZGtK/CAIuZAIuezr6jU7RomhL5DNMuv1cmnIjvYf8mQCmlRvNm1A4bH:KItpzr0uRd7AnYszmn0E9UYy29H5+jb0

Score
9/10

Malware Config

Signatures

  • Renames multiple (2020) files with added filename extension

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

  • UPX dump on OEP (original entry point) 4 IoCs
  • 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\453423f00856b7bb0037fca5ec59554ff0e87936223161d78ef72d5d07592059.exe
    "C:\Users\Admin\AppData\Local\Temp\453423f00856b7bb0037fca5ec59554ff0e87936223161d78ef72d5d07592059.exe"
    1⤵
    • Drops file in Program Files directory
    PID:4772

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-540404634-651139247-2967210625-1000\desktop.ini.tmp

    Filesize

    1.2MB

    MD5

    bf8e2533a0c81e977f610686621e0e88

    SHA1

    5fff300da5216dc26e69c84a96611d3ec9847ed3

    SHA256

    ddccad04d76e0970a3b4368a7eaef54b43ecb9cf41966792f752714ac77f05d9

    SHA512

    130a62a70c90ec01faf82690690ba85493e83de5fb869cf7e2043ce8249abbb877cbdc151bdbceed8cd21335bd3ed8070260f243b27f5043dadd1beb6e26b03d

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

    Filesize

    1.3MB

    MD5

    103c12f9ba116d4761c0cee21648a2db

    SHA1

    617a9b06592e6c231f2d786b35af53cfd9b42126

    SHA256

    34ad19eeb15e900657ba601821cac4b303873e6ff1fae33b23718a7f45170c83

    SHA512

    ff0bd68e2b4a23f5f5442e4f59915d404849a090957ce3bb3caf1b596c1e1bbbf92a302d7dcaa830bbbe23a77bae03876f1425a61ae5f6c505531bba3c2fd5af

  • memory/4772-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/4772-394-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB