MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da8b591b762548a258cf7d03c230825f5c03f4044fd96dc814996492679a24b0. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da8b591b762548a258cf7d03c230825f5c03f4044fd96dc814996492679a24b0
SHA3-384 hash: 5dbf795022f753540aa40fe1701ada9ddb7194d8e6f7f0bb6b3a2e1509744885e09f3223a74a3f9afb76deba78f501b4
SHA1 hash: 730bc1ed235a2330bb07538cb2f05ba939255254
MD5 hash: d5f3bdd0854291e062b744632e88f703
humanhash: oxygen-single-nineteen-batman
File name:duk (2).exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:455'680 bytes
First seen:2020-05-06 10:06:42 UTC
Last seen:2020-05-06 19:56:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:k4ofZ1ff0ihQyyoCsj4rSDFdxuuRf80EKN8U2YjCPXNpTw4To2GP8oPabIVFwP:kBZ6ihQyyFsYKuuRkqUeCP7lTetHwP
Threatray 10'990 similar samples on MalwareBazaar
TLSH DAA4029E322071DFC91BC572AADC1E64EB74B47B971B8217E12315ACAA8C847CF154F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: tzdegree.com
Sending IP: 103.99.1.174
From: chusui<chusui@tzdegree.com>
Subject: NEW PO FROM ALANTECH CO.,LTD QTTY (PO#7A68D20) 
Attachment: Shipment Details,.zip (contains "duk (2).exe")

AgentTesla SMTP exfil server:
mail.hotel71.com.bd:587 (101.0.114.117)

Intelligence

File Origin
# of uploads :
4
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.ArtemisD5F3BDD08542.2223.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-05-06 02:02:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3kfvsg3wevekewgppub4emecl5oah5aej7mw3sautfsjez42esya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
avemaria
Create hunting rule
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2ae952b2cc6f04f55a42c82386e16ddece41b1f8f6cff192cc18eb2b037d89b4
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6e70926884bf8f8e7800764e8a08ed9656a3bb5efc7e94816967ffb322fde763
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8bacca094f83e0486702d5c22a551a5a52ee7dab8ed6daad0b2881c57a1127ce
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a18085ac71d9d467d624492a847de1e7b6f7d4439ac496acbc67e28977e60606
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bbfd3959ef22e9fa18ed11cbc9b8f31ac36e86f0d055d2c57b81ee19f9c54175
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e30672336261f66449f9e3e1f7e4fd6ba381e6046cdb5c9ba0088c576aca5176
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e386fd9c2ec4caa4a12389d0d1c20e870a0955eeb3ab5c72e7c1eab18ca2efb1
AgentTesla
+ 10'980 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-ec645agrpa/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Drops file in Drivers directory
AgentTesla Payload
rezer0
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

File information

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

Malspam

AgentTesla

zip 23e053de55441118635d1fb5291aca026f069dfbee207bb74bd68ec8d57cff44

AgentTesla

Executable exe da8b591b762548a258cf7d03c230825f5c03f4044fd96dc814996492679a24b0

(this sample)

  
Dropped by
MD5 be81e5162baf05381b43ac6f87b869a1
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 23e053de55441118635d1fb5291aca026f069dfbee207bb74bd68ec8d57cff44

Comments