MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 571a8441c9ba8a4dd146d550b22871fb9b9bfbfdeed611d81c838b8473b1366a. 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: 571a8441c9ba8a4dd146d550b22871fb9b9bfbfdeed611d81c838b8473b1366a
SHA3-384 hash: f9698500a07d16eb903a1f8c81cb0c0421a4a3be557218bd2e105abf6365492fb40ceb876d6f74adaa67a4b9a0e0daa2
SHA1 hash: 8d1710e4276f658a462d3c3daea95f857a5017a2
MD5 hash: 9afa2fce48d35a7df027159de511c51d
humanhash: eighteen-alanine-winter-autumn
File name:QUOTATION.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:502'784 bytes
First seen:2020-06-02 06:55:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9mbNEKE6L/ztTF7JnPg5t5/TintuKydPFBxpL6IXRJMqPEUI9:9o6KjL7txNg5tnKydPFBxpN
Threatray 10'597 similar samples on MalwareBazaar
TLSH 08B4F09D722872EFC85BC172DEAA2C64FA5174B6432F4243946725DEDA0D88BCF144F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.brightclick.com.my
Sending IP: 103.18.246.18
From: Cèsar Hugas <chugas@glropes.com>
Reply-To: caglarmaklha34@gmail.com
Subject: FWD: Request for a quote
Attachment: QUOTATION.pdf.z (contains "QUOTATION.pdf.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-02 08:37:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 31 (74.19%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k4niiqojxkfe3ukg2vilekdr7onzx67553lbdwa4qofyi45rgzva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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2139c12a20688b17d559eab390830bf9a941bce614049740156920cb071e75e9
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6af32b6b849f1186317e65f84c1d59cc03ce878ca8e3706c5d7afae2389b3c64
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927eaf52330a648f27421c3f5c1a405ca01c8b8fffe734bf3cd870da1a710323
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b8cf49555f75f9f06bdfb76150d4b3e1a01a831a7eac7b644dde084c212a43d2
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c4749b9ab06cbcd9dc5846909e6e6965329f430899f5019c8b05cb5af879c4a8
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AgentTesla
+ 10'587 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-m3j6e8prbj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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

z f0e56ac81e954b6d2e57681ca240b2ae669931b5139301954fb9a536009d383b

AgentTesla

Executable exe 571a8441c9ba8a4dd146d550b22871fb9b9bfbfdeed611d81c838b8473b1366a

(this sample)

  
Dropped by
MD5 bbd50844db35a3b6ad01786e6a661eb8
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 f0e56ac81e954b6d2e57681ca240b2ae669931b5139301954fb9a536009d383b

Comments