Resubmissions

20/09/2026, 10:36

260920-mnczjsab7710

20/09/2026, 07:07

260920-hx3jcadp5x10

08/09/2026, 15:38

260908-s27nzagd93

15/08/2026, 21:05

260815-zw6ytat1ez

15/08/2026, 20:50

260815-zmxnsatzgs

15/08/2026, 20:46

260815-zkklfatcnf

15/08/2026, 20:40

260815-zf5e2stcjb

15/08/2026, 20:39

260815-zfqlwstydz

14/08/2026, 18:03

260814-wm9fssyyev

06/08/2026, 22:09

260806-124lbabl4s

Analysis

  • max time kernel
    150s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    12/07/2026, 12:54

General

  • Target
    Red-Flaged/c46ec6ea17445880cb2bf0750f76af3f4ccea701d07cf83161ca5ef6dd5e10d6.exe
  • Size 436KB
  • Sample260712-p5a8dsas8k
  • SHA256 c46ec6ea17445880cb2bf0750f76af3f4ccea701d07cf83161ca5ef6dd5e10d6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

  • Detects Cosmu payload 4 IoCs

    Cosmu is a worm written in C++.

  • Renames multiple (2683) 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\Red-Flaged\c46ec6ea17445880cb2bf0750f76af3f4ccea701d07cf83161ca5ef6dd5e10d6.exe
    "C:\Users\Admin\AppData\Local\Temp\Red-Flaged\c46ec6ea17445880cb2bf0750f76af3f4ccea701d07cf83161ca5ef6dd5e10d6.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1552

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini.tmp

        • Path C:\$Recycle.Bin\S-1-5-21-1788976790-1541110888-1636651838-1000\desktop.ini.tmp
        • Size 436KB
        • SHA256 3a085aff88cd552f63cb09a1122680bda75898e271e5eeb5b0a7a4ae888162a3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7-zip.dll.tmp

        • Path C:\Program Files\7-Zip\7-zip.dll.tmp
        • Size 535KB
        • SHA256 2d034e34c2abc20bbae3ba65804bd88244a76d2dcf67a055f7ad82eb9fd8de23
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1552-0-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/1552-424-0x0000000000400000-0x000000000040B000-memory.dmp