YARAify Scan Results

You are viewing the YARAify database entry for the file with the SHA256 hash a3a6bef1202125df97ea0871ef90a6c4e86346f7e4ccbcb069d173110be26734.

Scan Results

SHA256 hash: a3a6bef1202125df97ea0871ef90a6c4e86346f7e4ccbcb069d173110be26734
File size:146'018 bytes
File download: Original
MIME type:application/x-dosexec
MD5 hash: fdce0e97bd1c567c995208827080fd3d
SHA1 hash: 0cfd64b281139e7d0605a6a3f7219ed473a90cc2
SHA3-384 hash: 9a43062ada4923fa6df5bc7eeb30e040384f063335787e51d56f77dcc10c2d434775211b45fbd31aa8faa330a0a72730
First seen:2026-03-25 16:22:33 UTC
Last seen:Never
Sightings:1
imphash : 898d1eda517f295263e8afb089896ce9
Create hunting rule
ssdeep : 1536:NtWwa6OYkIgzwOYFu/vWInvqTgiV6ZokALQryghpwu7SfW:Nkz6ODIn3u//vS4okryut7SfW
TLSH :n/a
telfhash :n/a
gimphash :n/a
dhash icon : 04ccfee2ece4a484
Create hunting rule

Tasks

There are 1 tasks on YARAify for this particular file. The 10 most recent ones are shown below.

Task Information

Task ID:d45e0386-2866-11f1-b47f-42010aa4000b
File name:400000.CSRSS.EXE
Task parameters:ClamAV scan:True
Unpack:False
Share file:True

ClamAV Results

The file matched the following open source and commercial ClamAV rules.

Signature:Legacy.Trojan.Agent-1388589
Create hunting rule
Signature:Win.Worm.Brontok-7065422-0
Create hunting rule

YARA Results

Static Analysis

The following YARA rules matched on the file (static analysis).

Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
TLP:TLP:WHITE
Repository:YARAify
Rule name:SEH__vba
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
TLP:TLP:WHITE
Rule name:upx_3
Create hunting rule
Author:Kevin Falcoz
Description:UPX 3.X
TLP:TLP:WHITE
Rule name:UPX290LZMAMarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
TLP:TLP:WHITE
Repository:
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
TLP:TLP:WHITE
Repository:YARAify
Rule name:classified
Author:classified
Description:classified
TLP :TLP:AMBER

Unpacker

The following YARA rules matched on the unpacked file.

Unpacked Files

The following files could be unpacked from this sample.