MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20667ee444d9dc8dc5135d0c4e29da6289572153ab6400534c1c6261d7503a64. 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: 20667ee444d9dc8dc5135d0c4e29da6289572153ab6400534c1c6261d7503a64
SHA3-384 hash: a65dacb5103b245ebe1ac0e2862291269d8afc49a58a7b68d43e9335afc8116289cbaed6248d1402ce9de5f0696622ab
SHA1 hash: a40fabb353663d0fa73f1f7b28e08ce43dcad529
MD5 hash: 3b6dbedcd58684f2bafd91b2c64d52a9
humanhash: bacon-hamper-december-mike
File name:Invoice for payment.scr
Download: download sample
Signature AgentTesla
Create hunting rule
File size:772'096 bytes
First seen:2020-05-28 08:40:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:c4GSI6VEt6KS9dETFmGV6K2HOoj+GXHUoXqpu1m7oe:sSI6NVAV6K2HOoj5XHtXqG
Threatray 10'748 similar samples on MalwareBazaar
TLSH 48F45D39F684AC05D03C067604B595907277FA837A21C31F3ACB736C6F623EB7256A5A
Reporter abuse_ch
Tags:AgentTesla scr


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: host2.themusclemaximizer.com
Sending IP: 67.43.9.162
From: <sales@victim-domain>
Subject: victim-domain Invoice for payment
Attachment: Invoice for payment.img (contains "Invoice for payment.scr")

AgentTesla SMTP exfil server:
mail.brigadistacivil.com.br:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-05-28 09:36:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 31 (64.52%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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aec020a6546f4efe2d5766ae7e7da2816c11badee1879d37de7845538b03035b
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AgentTesla
+ 10'738 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla agilenet keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-shvqah8jm2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
ServiceHost packer
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

img d743bbfcdc9b3b4dbf1737691da4ed973596ce087cac413e501b0c667cc9c083

AgentTesla

Executable exe 20667ee444d9dc8dc5135d0c4e29da6289572153ab6400534c1c6261d7503a64

(this sample)

  
Dropped by
MD5 4839cb5910820be27aff1581df13dccb
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 d743bbfcdc9b3b4dbf1737691da4ed973596ce087cac413e501b0c667cc9c083

Comments