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Trojan.Win32.Cosmu.bwts

Class Trojan
Platform Win32
Family Cosmu
Full name Trojan.Win32.Cosmu.bwts
Examples 7A7093680A574B79C04B56A9CFDEE9DB
8BDC9BA4C9222E7FB3153AADD4955B1D
D29739DF2C45C89453DB6C76A9C40758
52C2082A7512FDF8D513E17762D91721
ED3B46E6BA0563ABDBF7D896650ECC1B
Updated at 2023-11-16 08:29:02
Tactics &
techniques MITRE*

TA0005 Defense Evasion

The adversary is trying to avoid being detected.


Defense Evasion consists of techniques that adversaries use to avoid detection throughout their compromise. Techniques used for defense evasion include uninstalling/disabling security software or obfuscating/encrypting data and scripts. Adversaries also leverage and abuse trusted processes to hide and masquerade their malware. Other tactics’ techniques are cross-listed here when those techniques include the added benefit of subverting defenses.


T1070.006 Indicator Removal: Timestomp

Adversaries may modify file time attributes to hide new or changes to existing files. Timestomping is a technique that modifies the timestamps of a file (the modify, access, create, and change times), often to mimic files that are in the same folder. This is done, for example, on files that have been modified or created by the adversary so that they do not appear conspicuous to forensic investigators or file analysis tools.

Timestomping may be used along with file name Masquerading to hide malware and tools.(Citation: WindowsIR Anti-Forensic Techniques)
* © 2024 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.
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