MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 264662e60005a099f9aaaa88e1dcee1381a3a187a158fdfbc40bbd5024407cb1. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



QuasarRAT


Vendor detections: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: 264662e60005a099f9aaaa88e1dcee1381a3a187a158fdfbc40bbd5024407cb1
SHA3-384 hash: d7d4636ca9ed671a074a0c54ed829f6bf3ad298c0287e058a6d3b36df8963528b3c4c0f4fd6f85058b7e0f76d7592f3a
SHA1 hash: b2dbb7a42d46f9f694912b9d0554e10c0240952a
MD5 hash: fed2a8736c84eda9dcc8533b5019f7d8
humanhash: table-pluto-xray-minnesota
File name:Hack.exe
Download: download sample
Signature QuasarRAT
File size:1'227'264 bytes
First seen:2020-08-27 07:47:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:nbDJ+W6NFs0kuo3jIGYde9/0kJWAVQ8QAXvA3hLQMnjva8dOK+dSx8+pzlN2nGB3:nbDJjj0/Y9dWAVQ8RX2QMnjJ+dyl22
Threatray 8 similar samples on MalwareBazaar
TLSH 7B456C05BBE8C607D1BE27B1E8B246581BF8E585F7A7EB4F199421E91D033009D523BB
Reporter 3xp0rtblog
Tags:DarkStealer QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Deleting a recently created file
Replacing files
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Creating a window
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Moving a file to the %AppData% subdirectory
Creating a file
Enabling the 'hidden' option for recently created files
Sending a UDP request
Stealing user critical data
Result
Threat name:
Echelon Stealer
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Contains functionality to capture screen (.Net source)
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Yara detected Echelon Stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.EchelonStealer
Status:
Malicious
First seen:
2020-08-18 09:19:47 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Behaviour
AgentTesla Payload
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Quasar_RAT_1
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments