Analysis

  • max time kernel
    120s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-10-2024 18:33

General

  • Target

    fef2d1c8ccb75f3324f7eaabaf07d3f683664b40f3f0cf0ceffbb3834733b216N.exe

  • Size

    91KB

  • MD5

    e0718f52ea032fcf4f13d89fb1349c30

  • SHA1

    a5213072ee2681173dac5ed1678df7c804813c2b

  • SHA256

    fef2d1c8ccb75f3324f7eaabaf07d3f683664b40f3f0cf0ceffbb3834733b216

  • SHA512

    c24d0ea24e8d4dd664f3f7eb68b864fa5cc15965f8cb102468a9fde955c1bfaf84cb9c71dac58b93c0a940391da527ba766390b94061d662f351ddaeca6f0049

  • SSDEEP

    1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5v:fnyiQSox5v

Malware Config

Signatures

  • Renames multiple (4308) 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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\fef2d1c8ccb75f3324f7eaabaf07d3f683664b40f3f0cf0ceffbb3834733b216N.exe
    "C:\Users\Admin\AppData\Local\Temp\fef2d1c8ccb75f3324f7eaabaf07d3f683664b40f3f0cf0ceffbb3834733b216N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2878641211-696417878-3864914810-1000\desktop.ini.tmp

    Filesize

    91KB

    MD5

    f5eefb2eac94117d9c8648d2ae7a291f

    SHA1

    6549286f779c4b8e05f9c3d337663f84c6f0a079

    SHA256

    bf779ee0ff4739ae04012fbaae1cdbb43ce2bb41ddae3c054fe383910af47616

    SHA512

    5b348ae5c36ad1e5da7a70b21a9300ad983627949bb496f91d126ad53828c552cb351a04f0e8c527460b7cdc8eef7e635404f61f7bfe9b58d222a7a5c9ac05ed

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

    Filesize

    190KB

    MD5

    120fcdabc3ce7fbd9d77c870d792b8ce

    SHA1

    74390b2ba95046103d5659faac0354bee78df2aa

    SHA256

    d0e76a2234f5cece631aefa5c532152da2b3e425481030aa1afe6a268a61cce4

    SHA512

    3766061f2077924269f9ba4b18d15dee7eb13bc5b376a679923b1133d63030ed59dd346f4a6102d091df4d2bfb49696121e7e468d8aaf1d860f9eabac5b4fa80

  • memory/2476-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2476-654-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB