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Analysis

  • max time kernel
    120s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2024, 18:31

General

  • Target

    8e51904330eae5bcfa13b6742159f8a0N.exe

  • Size

    36KB

  • MD5

    8e51904330eae5bcfa13b6742159f8a0

  • SHA1

    516499c2849e8712552720a9745a25d049d47fdc

  • SHA256

    c6881e3391d157a1c6ff631617d88394092fb098b647a624c1a86309f7fe8c31

  • SHA512

    1a7630938d95caa29c684e9df01ccaaf4bf30b8154044fefaf90dd05d66233eb8684ff2381dae2512430d04203f1d65443e42418038a0ab051c43fbf98bd5a15

  • SSDEEP

    768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9cGsGWoyoh:CTW7JJ7TyGsGDXh

Malware Config

Signatures

  • Renames multiple (4654) 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\8e51904330eae5bcfa13b6742159f8a0N.exe
    "C:\Users\Admin\AppData\Local\Temp\8e51904330eae5bcfa13b6742159f8a0N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

    Filesize

    36KB

    MD5

    c719ccaebb57e2b2d1e140be3e761b51

    SHA1

    1d10caa236d82a04d1c5c66abf9937c16587f643

    SHA256

    9af81bf03c1153ea321ceed0d7b724cc6ce7a5bdaa58b0bbf20fb391d872ffbd

    SHA512

    671dff537951a9070dea2e4e7021d8da3ea0b513a3e77bd76a56d0ba857db5fdb368dbad15c7002a3ad0e5d5add078d8c4ea08242533d2e05297a751588bf3da

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

    Filesize

    135KB

    MD5

    7e8423824ef11d969aa65b6f6f55be8a

    SHA1

    ea825b7aec3fc501d0f64b3e1530a4d9acae9727

    SHA256

    e9c9f95943b19fa1fb9558aed886ffc708e1f8334924ac544f95519f28c03d9f

    SHA512

    8884a8039aa5e9c5046520b94b0a7e8584c570aab9e3b5947aa6f466e22308b3d83c8c10c7a0346d0d9306086117a7d08134ea9b6dba6de4dc1f771cf04f8747

  • memory/3748-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/3748-798-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB