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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, 03:29

General

  • Target

    d3b8be3e55dbbc13c8168da1e79de70f9d397826d8c6ea436b086d4aabc72490N.exe

  • Size

    50KB

  • MD5

    00a8b3edd7ff4d6161fbb1fd161b8400

  • SHA1

    ba9e1f81213a22c0296aa3e840ef872898e2dda5

  • SHA256

    d3b8be3e55dbbc13c8168da1e79de70f9d397826d8c6ea436b086d4aabc72490

  • SHA512

    0afbfb81aa3411e1187c7ea39819310d9676bb848d3ba46583b2d3ea7a04ed26966e45d8f44b22be9f74068c45cb2cab406ccff1fa49736f5e9406bc7ed85b3c

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9Y9sqAJwXqAJwE:V7Zf/FAxTWoJJ7Tm

Malware Config

Signatures

  • Renames multiple (4648) 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\d3b8be3e55dbbc13c8168da1e79de70f9d397826d8c6ea436b086d4aabc72490N.exe
    "C:\Users\Admin\AppData\Local\Temp\d3b8be3e55dbbc13c8168da1e79de70f9d397826d8c6ea436b086d4aabc72490N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-493223053-2004649691-1575712786-1000\desktop.ini.tmp

    Filesize

    50KB

    MD5

    2785c5095c13ee4ea942b79be97d489f

    SHA1

    2593805af1da92e248c3703db68c3dd0899202e8

    SHA256

    7ea1238f33e07333fef111e62fa11a55c63199992519a5dfcd75f843a2795d6e

    SHA512

    343e46f69e77e508b307e4685604aa94ce09ebe757e306d0e04497706b26fea3fa5273781e80f147207e450bd6616e3b89b51f447e543b3193d8feb6201c9de0

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

    Filesize

    149KB

    MD5

    6c5a0371598006d2dc8fcfae44692845

    SHA1

    a2800721e097b9890a59cabfda1b2f0fc5a40c79

    SHA256

    fe2e81043e30a46c8a374382c8aa2283535fd2f26c692be5517e902f352febaa

    SHA512

    8873249701f488cf6fa33b5ba99b13a648c02d56347946382ed34c1af0d19f4674df59be86238c7b5c6f4ee68f7d7a9cb06b3938fbddec932f88f056d9096264

  • memory/1648-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1648-778-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB