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Analysis

  • max time kernel
    120s
  • max time network
    100s
  • 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, 12:36

General

  • Target

    8942320422a09b7befc8a65180ab13f0N.exe

  • Size

    1.1MB

  • MD5

    8942320422a09b7befc8a65180ab13f0

  • SHA1

    f3b3ce5126610e014d93eca12c2aad281bbe8b6c

  • SHA256

    b179118be5268a627c5d0fbcd90c5006de5ed8c2dd42214709de11380e542434

  • SHA512

    7b69b23a79e82de07c91bc4ca0af03c19622e8753a15a9fbe510564b44e761b54cd6c437441c4f34825d3968461159e8e8ac15be3ee16922691e3d8847827e15

  • SSDEEP

    6144:K3tt+TDRDfhDizL95yO/j1/YcGzbOpkBRDZUVu8Oh1gsDCvijbEas6VjZW1Ugl:Af+BDfhmzLnyO/j1/tUSpknOVxsgZWgl

Malware Config

Signatures

  • Renames multiple (1733) 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\8942320422a09b7befc8a65180ab13f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\8942320422a09b7befc8a65180ab13f0N.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-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

    Filesize

    1.1MB

    MD5

    348a92de23ed0ddb19c506227a8b8af6

    SHA1

    6086f43bc16f0fe072cf4e0f8610ecded1d13031

    SHA256

    98c50cbb395626d224e80c416899a5bee71556a5931f17e83e2464ee586cc687

    SHA512

    2fdca33a3288b4a971231972ebae59457193f0fd985a58f0ca9565d33e423e91d82231a2d903617cc64c14a54aa11d7c42d74faf1e66589dc6c4b8013c91e02a

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

    Filesize

    1.2MB

    MD5

    82e5bfc4992b4cca358f72dc6870ca63

    SHA1

    12e8e63e59c53015ed65fd8eb04b3622db2c4111

    SHA256

    6955d51dd34c842a52718073db972444a6dec80eea74f9ca80fbca26ba249b63

    SHA512

    b5059ca9a5859d2642e35ed02ed9dc812bf6cb9b1c992c33ed62936f0c27b550cfdff74c17f57bb306d0695149634c2154922c52d65f7ca906ecea4e1f82cd8c

  • memory/4936-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4936-348-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB