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Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2024, 21:26

General

  • Target

    45a78ea81ce9c06148c7f576b3ea0103fc5f51b20c4b656a322c83c6d2cf4106.exe

  • Size

    19KB

  • MD5

    1053b691e6697f04c3463316b0d0c118

  • SHA1

    0990121c132b8042f2cd6ca172580c9ff901c6d1

  • SHA256

    45a78ea81ce9c06148c7f576b3ea0103fc5f51b20c4b656a322c83c6d2cf4106

  • SHA512

    ccf954a2357f16280a7986ee2a1ec7ca8b60e3739499c5d2ae43689043c8a88f846b095c4e0e9d277de2403dcc01f75a3abed76917cf4609d7dd7d7834766c31

  • SSDEEP

    384:QOlIBXDaU7CPKK0TIhfJJcbQbf1Oti1JGBQOOiQJhAT17JM:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJl

Malware Config

Signatures

  • Renames multiple (5203) 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\45a78ea81ce9c06148c7f576b3ea0103fc5f51b20c4b656a322c83c6d2cf4106.exe
    "C:\Users\Admin\AppData\Local\Temp\45a78ea81ce9c06148c7f576b3ea0103fc5f51b20c4b656a322c83c6d2cf4106.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3350944739-639801879-157714471-1000\desktop.ini.tmp

    Filesize

    19KB

    MD5

    342b85758a1a03d4648ebf9e8cf2c983

    SHA1

    ab02011b29b20e2bb1c5cb6d3dd2648860ef83bb

    SHA256

    137d3e7789076a743d6f0e246399abef8351535df83dc5cccce4fc5ca2197660

    SHA512

    8cd5f79a12e4143dda8af1c74629f08dc4fad0ab9e523ef255b423bda0460bd6c5e98d3ab7037154c8d01b82fdd87c64cfb90130cbc4b8fc8fcf7ae0c189da98

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

    Filesize

    118KB

    MD5

    1641d52cf612de3e9503ba4b2b33768c

    SHA1

    70e0a73e10c8d5b453455abfe3e85ec90a11e5d2

    SHA256

    befd2e4e4baace9d4d592575224b2006ee9b5b6ee8b7523baa868c453cc9e3cc

    SHA512

    fac3cc6aa552d607bd55d88914a8c0f89171c0ef98518408ceb4636a40f54d19bc66d8d727430025c46ca0de0ef52a4839b1e478e2ec1f005b7e2c8f41d469f8

  • memory/4052-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/4052-667-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB