Analysis

  • max time kernel
    120s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    24-08-2024 05:27

General

  • Target

    91df8df4b130d9416c8538de8d14cd20N.exe

  • Size

    831KB

  • MD5

    91df8df4b130d9416c8538de8d14cd20

  • SHA1

    025de8329f365f74820097cbc20bf616bd21ab00

  • SHA256

    712aed018c59ac7b053b6dd4c81600ad4bf743f193020c03d59a434d75109cc9

  • SHA512

    d2021c162f9511228896ec552658ffca9ef7fb7c2a044a45297ff3fee01901f562b93ed1289175bdb910e2a5a1234c356c0e3b7246b8c50bddc4ac7f062e467f

  • SSDEEP

    24576:3hV56pKEBhC8iVXrWgqAipHsceoiBX3X+W+s:RV5UPmZrAHfiBHX+WZ

Malware Config

Signatures

  • Renames multiple (699) 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\91df8df4b130d9416c8538de8d14cd20N.exe
    "C:\Users\Admin\AppData\Local\Temp\91df8df4b130d9416c8538de8d14cd20N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3434294380-2554721341-1919518612-1000\desktop.ini.tmp

    Filesize

    831KB

    MD5

    79e75447e800343e64f14430948172a8

    SHA1

    cf6eef65a28c3d02a25a7c7228b65d342d4df654

    SHA256

    ae524b6a907add9f0d7934ba3afad14010938a145a09f2eb0431371992d48a5f

    SHA512

    5d5f9f9c58be4e7394e20f2e82cdcc2407533639f7a2b3155e14e7ab6cdf80492b10efb9319a0101a6dcbbd226d916038c8bb48e334cbb669a3f0ac74edb2a49

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

    Filesize

    840KB

    MD5

    6bc556418fe9aed9d37e5cc6fa8784ee

    SHA1

    5bfe0eeff57f6b876410a180b7664be2d433eeec

    SHA256

    562256262453b75d4a7da0d1550db3d83e17c5a4cb1c9065ef9d2fb3ae9d290a

    SHA512

    4879cdc85958142dc8c987e705d23e45875888dc15f09bbcd6d53f0b7963aac0e6879bcb87c009ed6a5d22cee0c22b2a5368128301d3ff78b2c9e3a211f575c9

  • memory/3028-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3028-64-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB