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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/08/2024, 02:30

General

  • Target

    beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe

  • Size

    57KB

  • MD5

    9e489e78a1f1616b6d60dfa94ff00ee8

  • SHA1

    3966f5764b212c0f36a64a1ff95cdd324abdcda9

  • SHA256

    beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c

  • SHA512

    7b632a8d396dccecf442347e82a38df8360f3fe9c2c07b78f41de2144fff6cb4782ad50afdfee550818a11cddc13b5e920d37f11a200816bde8ba1b611e7a02d

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rA:V7Zf/FAxTWtnc

Malware Config

Signatures

  • Renames multiple (5005) 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\beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe
    "C:\Users\Admin\AppData\Local\Temp\beff42f2f2e8bd7ec7af53cddc659e54943ed850359f13e4fa0bdb558644912c.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

    Filesize

    58KB

    MD5

    e211c9a39b36e748df8803c3a05359d4

    SHA1

    08b18525894068a8c64c00d7e59ef13b3b059651

    SHA256

    2bc6e9343befdad4951719eae52ca01a41852c0c40379636c0a71b9f228877fa

    SHA512

    19c65edbc865f249d1c6f46f041d12d07c723c7e9d19adf794fe7ff5ab9e449a8f72932e4eebe8130062f0f31e94d5248a587548214e16e97d778ee0534690cb

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

    Filesize

    156KB

    MD5

    8b7616e10ed9866b7382e7b8d148e280

    SHA1

    a50ac683958dfee78e03f42557592ba3f3f4d438

    SHA256

    41943096475ba738921d23aeb3ee1279506a9328b1752525a02ef7da6dac6568

    SHA512

    bfe7ed24bb7361e8257b7f6b087cbd60dada23d6460033f0fdeb54c273a82edd9614263032cf45f50bd879218116dc9bcf3bc372e1fe9905e565791f3556d51d

  • memory/1160-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1160-1884-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB