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Analysis

  • max time kernel
    120s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/09/2024, 14:55

General

  • Target

    779c75678a9e7eafdb8893fca11eb870N.exe

  • Size

    27KB

  • MD5

    779c75678a9e7eafdb8893fca11eb870

  • SHA1

    71c72ffe8454e49cba2ffba1ac0ce6dc357b1d0d

  • SHA256

    86e589fcebef31711c7dce1c9fadeac9646a7bd40ac2253b3fac2f8f3baf4fa1

  • SHA512

    427ee33a96ee7d5d5aeff57efd3ef81e61fff8137cf40d943eeadc68b45137c74950a490ccda43943d4cfdffb05c62c8126bf7e913d0f77a99e9f5dd5430cd72

  • SSDEEP

    768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9bJSsJSNOnOH:CTW7JJ7TFJSsJS1

Malware Config

Signatures

  • Renames multiple (4685) 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\779c75678a9e7eafdb8893fca11eb870N.exe
    "C:\Users\Admin\AppData\Local\Temp\779c75678a9e7eafdb8893fca11eb870N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

    Filesize

    28KB

    MD5

    39803c24677875396590d397f3e0b040

    SHA1

    fc3935616b9c444d3ffec6d41fe5231c80fc0f3c

    SHA256

    4a8acfbe24562c9d1ae413d6c6a30c007e67c752bd598c9fa387b570db3a3ed2

    SHA512

    d94be9e38450c5c1f83c1c60ed5222cb47db08ccb5c57cf7e2592b052c3655347e5988a87282907937954a57877f0c98f913deb12742c6217e1e63c85ca1c934

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

    Filesize

    126KB

    MD5

    c838fd44c68674f22fc7b6e44de37e7e

    SHA1

    ac659019c76a45a93d66a10c6fae72f8d66b39cf

    SHA256

    e494d973a2d74c9d37d124e543ad98d0f387bac04cc396c75c0333281eee9f13

    SHA512

    9b25e561b06f3c92a65f269a3f44b1040108270789e007dc9af4a07ebb38f122e4d1a65377330d9c84ebcd222f64b6346dc61841dab3dfec2819bcc3e8333dae

  • memory/4936-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/4936-1018-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB