Analysis

  • max time kernel
    120s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    20/08/2024, 02:38

General

  • Target

    8f56ec2f8153c1fd02a143aebf2f89d0N.exe

  • Size

    36KB

  • MD5

    8f56ec2f8153c1fd02a143aebf2f89d0

  • SHA1

    a193036572879579bc167fea39e17dda5e1bb563

  • SHA256

    08ce10f82f8e54df7c4541cf578acc84d3238f497454aa747fe654fb6c095b20

  • SHA512

    c08b50fb26ac1bf9a386fd65b4f7854b4ddfeff56c3d529d4fedc277868eff058a1427544372210c32f30af85c893a0e74c735101a81f34a90df242aa29cf17a

  • SSDEEP

    768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATNydWK9WKF9ADJ59ADJsRRYstRYsJ:CTW7JJZENTNyoKIKMRRYstRYsJ

Malware Config

Signatures

  • Renames multiple (3234) 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\8f56ec2f8153c1fd02a143aebf2f89d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\8f56ec2f8153c1fd02a143aebf2f89d0N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1385883288-3042840365-2734249351-1000\desktop.ini.tmp

    Filesize

    36KB

    MD5

    7ddfd5a55786376424d5629df782fd30

    SHA1

    c81f4f9dad85e1a26652c332d2b332682e91af11

    SHA256

    b479446c96724f0fcb974c459c16596a294e4b934cef4000fb932478af76fef4

    SHA512

    9d064841ef55e9fd34457f2b6d8efcefea4d5a8f07b7bdcd902bda9788c4c690cc8e0e0d1099f80004775bc73bb1b68a13b93e9a9aa779511cd296998e072060

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

    Filesize

    45KB

    MD5

    288f7d0e79ca9c5b0f1c0940f2b77c01

    SHA1

    814249b05faf4b951509d13c834ee622a33d4970

    SHA256

    bb4d951dae08294e91ef6a22f8c41e6b7ab95e6434b073eb2f514a90deb6c2fb

    SHA512

    a0aa245de076518599459daecf8bac65a84a3be1bc7497a167b69a353dab8abfdb6a170d2ca11892ae1400e4a8e0f766a924ea2a2b9eb525dba284257720e845

  • memory/1812-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1812-70-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB