MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5bb43c9467ffb119c9242290ca0acae88cec8476e275342b92eb55f1ecfda94. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5bb43c9467ffb119c9242290ca0acae88cec8476e275342b92eb55f1ecfda94
SHA3-384 hash: dbe0e5aa9670b5f7cdd8a04b100b0e32b24150fcb9860ca26cab4c07441e77d656df984d09bcb826eb033f9b3df4c0a2
SHA1 hash: fdcea578600f048b03e6b656553b7803537fec18
MD5 hash: c87a7a6db2f1529b7be38eec1d934f24
humanhash: grey-snake-monkey-twelve
File name:Shipping Documents.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:443'392 bytes
First seen:2020-06-12 08:18:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:VqOYOaeToq8an5uEj4osyz6y4Q2CtAMQxh2a6DQ:ysxjHz6HQzUYa
Threatray 10'635 similar samples on MalwareBazaar
TLSH 8494F28C769071EFC42BC4B28D681D14F721BAAB570FD60BA55321AD994EAEBCF101F1
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.bontechnologies.com
Sending IP: 46.4.133.15
From: Gurpreet Singh. Bhullar <snr@tassgroup.com>
Subject: RE: Shipping Documents
Attachment: Shipping Documents.gz (contains "Shipping Documents.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/9993/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.gc.931.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-12 08:20:10 UTC
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ww5uhskgp75rdhesiiuqzifmv2em5schnytvgqvzf22v6hwp3kka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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271d599153db10fd4b2e9ab6e859169d74a4b6d5ce49d786dc392be16f3db3a8
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c313c4dbd077198dd216a48665520ba44b3a55c3d8c505d587ad66dea594bdd1
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c848b97042daef40ec3a4534fb3f3ad9bb7bc389c89ca6c8ff5a7f4096588720
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cc91a6a8c27e8a13a4d8e7073d82ecee7a9785427f3fea11e18590599a0f59c3
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cfc138570b51bba045eeef3a8e6c668d4103a40be2023ad89388d99668aa31e4
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f49917c2ce68563710e7d801c8a5793a592cc03a7cf803740195acf55ea11ae6
AgentTesla
fdd5093396ad658edb3b5ebd26f9760100773b33c615012df934e78a2009885d
AgentTesla
+ 10'625 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/201109-9jqbkfqpv2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
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

gz 1ae404b62b50bb0f9729c2902bd382c3d334b5b69d5ed9992a33059ba9273d8c

AgentTesla

Executable exe b5bb43c9467ffb119c9242290ca0acae88cec8476e275342b92eb55f1ecfda94

(this sample)

  
Dropped by
MD5 31ef80f67d8bdee4119c9f886fde4707
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 1ae404b62b50bb0f9729c2902bd382c3d334b5b69d5ed9992a33059ba9273d8c
Cape
Cape
https://www.capesandbox.com/analysis/9993/

Comments