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Analysis

  • max time kernel
    120s
  • max time network
    94s
  • 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, 21:57

General

  • Target

    1fb58a80028c62a6dc9b3359e1b02850N.exe

  • Size

    30KB

  • MD5

    1fb58a80028c62a6dc9b3359e1b02850

  • SHA1

    44e3808573f6f821bd3fe0d4fe0e9ecaa09a339b

  • SHA256

    d0402cb26e1a4e4c67578681c28639a5fc37f2485838d7600f1d6dfaa8bc7bf0

  • SHA512

    49c06a480c874af8cbb2ab81ccd322c1147465668df8de61b22494d29f48602c8329eb6a42fb516041185091dc95c04e9b1e0b011a95a67fc4e1755ead183930

  • SSDEEP

    768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeHhli3:CTWpji3

Malware Config

Signatures

  • Renames multiple (4703) 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\1fb58a80028c62a6dc9b3359e1b02850N.exe
    "C:\Users\Admin\AppData\Local\Temp\1fb58a80028c62a6dc9b3359e1b02850N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2916

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

    30KB

    MD5

    885a432ed9bfef9bdcbf59afa54b83a9

    SHA1

    93ce705dec3626506ac40e4a4e20a78fbd4d0564

    SHA256

    8f121de22ae32d5cc6e451705406e8d016cfa1db7390c272471e9df770996783

    SHA512

    cddc40dc0068249b2af5a31780b1d23ae48e7683b8ec3434e0bbf2e53b5967777cd2050000a65ddd3668583da7de6626d64d3b03457d3fa0ab5907fa92f6cc94

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

    Filesize

    129KB

    MD5

    e955bd329ed13805c9e7ade7fc0bbe15

    SHA1

    5b18503590f02eeb8ba65a9605a61ba2b412f376

    SHA256

    cc7749fd135a31ed98272b5854a8f63aa005dad0b7364c273e5d0fb05be196c9

    SHA512

    c0a6d32cd74605c49e026c685fda99bd4f6a5bc1bf65dc65e8313c7c5ccaeabe7040b6402c24b093e83b7efcdfba00500cab1ff5ed586b15b367feed9783e141

  • memory/2916-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2916-1029-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB