MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4e82e572217937fb6fb66cc5f4761b3220e1c112daa4c7a9277bb871f455967. 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


AgentTesla


Vendor detections: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4e82e572217937fb6fb66cc5f4761b3220e1c112daa4c7a9277bb871f455967
SHA3-384 hash: 5935562a29b2ad83c2dea8efd0488bc5862f0a4d3bde36690223490ae12628ed08cf6f68da086994146c40d582dbdf92
SHA1 hash: 172d63efc1a6caedf8214165937534f22f667239
MD5 hash: 75cb5526aa73d44a3dfa85c93ed022af
humanhash: yankee-crazy-mockingbird-rugby
File name:dave.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:378'368 bytes
First seen:2020-06-03 07:52:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:0oo856/Y6nxI+OVrMfcSL6ZfW5Nahw7AZmCBKyiGybzWTCFCFMZ1KVgRL6UA:ee6LxIKDJS2behi73CeZ112b
Threatray 437 similar samples on MalwareBazaar
TLSH 1884E040BDA5988FD8994BBBC4B7B82043729D57A261D64E3D8E31D62707BEF0401ADF
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: pacnuts.info
Sending IP: 51.81.254.67
From: priyanka.pore@external.merckgroup.com
Subject: Merck -QUOTATION-RFQ06022020
Attachment: Quotation-03062020.rar (contains "dave.exe")

AgentTesla C2:
http://gnicgy.info/dave/inc/a172e08be82357.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-06-03 03:29:10 UTC
AV detection:
18 of 30 (60.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtuc4vzcc6jx7nx3m3gf6r3bwmra4harfwvey6uso65yoh2flftq._file
Verdict:
unknown
Similar samples:
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46fa97ac4b2b9c3e87bb62cfd9a1030fc8f76957e6d418bce5b6f4bc97912da6
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823ba9f7f984df31374ca689e9d4fefb97ed9d6bd4782add1f708b49723a6201
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a7de9d4e61974469f09d36e58bb473b899cbc22e3dbfec1a3713affc2884d25f
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aed6b36153ae60bcade2c6368dbf8fd91a654e65475590d119283dd429e54da3
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ce3aa52d9d89e7e26b7e1c0db641d59d315a730d141d3079889a7b6a039a236c
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eb32148d581f0745d2428e572ec118abeffdec77d1ad1725278ce5279a152a23
AgentTesla
f039494ad7d13c65dc288470e8116ee69b69ad3ef16375f2161c2875e9221e96
AgentTesla
fb6c98ba079d0dc9d3d980f67a96f92263903b78810210ff731b0036999ade83
AgentTesla
+ 427 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-pb9apg5s7s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

rar 5128ec1a5ddd1a78a85d99c4a00e71291b99020bd02af69ef9e96ced5abb05eb

AgentTesla

Executable exe b4e82e572217937fb6fb66cc5f4761b3220e1c112daa4c7a9277bb871f455967

(this sample)

  
Dropped by
MD5 d6174434730af23b61d2a2bd4f22d201
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 5128ec1a5ddd1a78a85d99c4a00e71291b99020bd02af69ef9e96ced5abb05eb

Comments