Analysis

  • max time kernel
    150s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2024 23:08

General

  • Target

    6b58b78e0e866d639870383e139fbc55d0f812f72ba4a21256e3dbb922f340d7.exe

  • Size

    46KB

  • MD5

    3b4a18df54e441afb80681f3a209b4a2

  • SHA1

    f665f8dc6b8135db6d8543059b8f570be01ee697

  • SHA256

    6b58b78e0e866d639870383e139fbc55d0f812f72ba4a21256e3dbb922f340d7

  • SHA512

    196cd7b5b073a75e2a04e5a47d09e94a8dd61ab1e74e06f6be5b288546e4ea0b15729188131daa47918e08a9c3aa8e0759dbdd5796bd2aaff19e216beba1a85e

  • SSDEEP

    768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFzz:CTWn1++PJHJXA/OsIZfzc3/Q8zxR

Score
9/10

Malware Config

Signatures

  • Renames multiple (5277) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX dump on OEP (original entry point) 4 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b58b78e0e866d639870383e139fbc55d0f812f72ba4a21256e3dbb922f340d7.exe
    "C:\Users\Admin\AppData\Local\Temp\6b58b78e0e866d639870383e139fbc55d0f812f72ba4a21256e3dbb922f340d7.exe"
    1⤵
    • Drops file in Program Files directory
    PID:732

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-2804150937-2146708401-419095071-1000\desktop.ini.tmp

    Filesize

    46KB

    MD5

    f64e663e67870b5326325c743c0b3d5f

    SHA1

    91d7b74b7900ddb2ac275428f702e88519fb8c3d

    SHA256

    85e7bbd76677b22afdb637a2d1bacdc241cc722286faf0602e8a5c1c5111f73d

    SHA512

    9d9edfd746d52e79db198e47bc5f4354a46d25f4da6f84614df5c08c4e7e0cef2cdff8545c8fba3882dcfcea861124b24a7202dd12d9ea22d65f9d48a22916ee

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

    Filesize

    145KB

    MD5

    87f9daef9c10588013e7bea28ba1fe0a

    SHA1

    72188600084e35b1665e11f4eabcf550718d5671

    SHA256

    511f1153291db1dd44746cb40c5578596e64ca4eb1c885852664a21818b0485d

    SHA512

    0a4e3e96097bc937bd7b338f5d16510172d4795fdd7131e4e25f97b7f5963f9906adc94bf0dc3916c1edac9eac8b85d829515ba3f043e093eed7673b3b278bcc

  • memory/732-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/732-1216-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB