MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1c4d2e6f09e820c8b3ac98b6c998737da48ae70142a00feca9fbdf17342c11e. 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: c1c4d2e6f09e820c8b3ac98b6c998737da48ae70142a00feca9fbdf17342c11e
SHA3-384 hash: 559f644f3be29cdd29dc9c23e794b48c55c845a270d1e990ac420184cec814cbe4ba5476a5d4697794aa671c520640ec
SHA1 hash: 355e584759391a9baecb03527fb82d07972f87ac
MD5 hash: 4a99af9dabe823a14404e54d26707421
humanhash: speaker-queen-mirror-winter
File name:OPO CRIPTED.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:411'648 bytes
First seen:2020-06-12 11:56:58 UTC
Last seen:2020-06-12 20:55:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:r0l2A9qIWKzXAjhANGJmI31RVMPF0d+lWFZP0hW09bcuqrwz:r0UzIWKzXnumIFnGW9T0pqrw
Threatray 10'623 similar samples on MalwareBazaar
TLSH BA94F18D3290B1EFC42BC873E9A46D24E620B5BB531FD317A05715ADA90D997CF205F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: chasisautopartsengine.com
Sending IP: 103.99.1.147
From: "arnis janvars"<arnisjanvars@chasisautopartsengine.com>
Subject: RE: Signed_document for urgent_shipment 
Attachment: signed_19272 2 - Copy.zip (contains "OPO CRIPTED.exe")

AgentTesla SMTP exfil server:
mail.aneeqllc.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/10046/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.8252.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-12 11:58:09 UTC
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yhcnfzxqt2bazcz2zgfwzgmhg7nerltqcqvab7wkt667c42cyepa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a7ee634a76bdfb8d44f448a42a34d849a25092e53d9644096c80182df1a1b944
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a8871229988e43c8dfc54c95e849d369ec7ddc06831f3e6f4f5919a48096f7a2
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c1ba82ca9dded6ae3ce6b4eb5efb1eb9f8887a40df95c6f3b818f54fd1e5ad53
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c8724aaaab5ec0f367f3c5b49b22346a502b53e2539594b1d0332327e6fc2154
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+ 10'613 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-h46sge16nx/
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Drops file in Drivers directory
AgentTesla Payload
rezer0
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

zip 40b7cd8df34635365cd063467b1cd7d8c3a9ea50f2d1d02a7d1387a7d686d406

AgentTesla

Executable exe c1c4d2e6f09e820c8b3ac98b6c998737da48ae70142a00feca9fbdf17342c11e

(this sample)

  
Dropped by
MD5 a8b54156b99cf767b514f4b2e3539311
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 40b7cd8df34635365cd063467b1cd7d8c3a9ea50f2d1d02a7d1387a7d686d406
Cape
Cape
https://www.capesandbox.com/analysis/10046/

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