Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 23:18

General

  • Target

    71f460d3e77c170fd2ccb8f7c038a4923e0f4445c5c064583bef99f29c2a2039.exe

  • Size

    70KB

  • MD5

    24d72afe3a6e66698b0bf805b43a24b4

  • SHA1

    1a03a2363c3f6274baf3b7e899b58e560eca1944

  • SHA256

    71f460d3e77c170fd2ccb8f7c038a4923e0f4445c5c064583bef99f29c2a2039

  • SHA512

    636ea194cd63e4a53ededf82c272291988707d414500302d62bcff4ebae01931dd89362a6759d423aae5e9de737dc00fa63435235acf36a7483e75f4839eda45

  • SSDEEP

    1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8asUsXaU5:fnyiQSohsUsB

Score
9/10

Malware Config

Signatures

  • Renames multiple (5199) 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\71f460d3e77c170fd2ccb8f7c038a4923e0f4445c5c064583bef99f29c2a2039.exe
    "C:\Users\Admin\AppData\Local\Temp\71f460d3e77c170fd2ccb8f7c038a4923e0f4445c5c064583bef99f29c2a2039.exe"
    1⤵
    • Drops file in Program Files directory
    PID:232

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2804150937-2146708401-419095071-1000\desktop.ini.tmp
    Filesize

    70KB

    MD5

    e29bf75bcd045f0e19325a19a536d3b3

    SHA1

    33fff25eca0cffa7a506bfb68b65532aa66be940

    SHA256

    636b39c0d37dc2cef46e8be04fd2d3572383a63ac2bbdccf47bea3b0ae4e2280

    SHA512

    56deca895ebc9350da0ab053fa507b530584e07e1ae3b803733d749faef430c2baf6507bac6e77d30b2bc67213bf2164552a276342aebf954767e3efb099fc2d

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

    169KB

    MD5

    254070ddb6b993bb9455aee06bc8b183

    SHA1

    eb3bb0e89c6a632d9a8dc7fb16b1b0d5777ea76c

    SHA256

    7b3451294d6ac271adbc7429b7f92c01c673d730c88190dc74c83a1a5a30a627

    SHA512

    9ce76fb2fb20c0f496bfa83314cde2c6ee3f95672126f1ae408d5a1e6112166a1a8c7d45cf3cd5aaf4cc29f5efc8a6c5fc3b37d97be47be32e726005a369d92a

  • memory/232-0-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/232-1960-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB