MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a49522c7a5d8f1f0afc329881adc6df6b341e821c6552b63f32673db788d2a4. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a49522c7a5d8f1f0afc329881adc6df6b341e821c6552b63f32673db788d2a4
SHA3-384 hash: b25e0deef8c865efcfec829c02fd2c952ed3fdf33272f0b05aaa2dccdc4ebb4a0fd6394d60b8c0e2381e4bd8cd7c4344
SHA1 hash: e1f9206255026256f2d40b7765ffeb197b74722c
MD5 hash: 0d815b2dfbfa80fbeb07aa8002c502df
humanhash: skylark-jersey-hot-california
File name:RFQ_PO.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:564'736 bytes
First seen:2020-07-16 06:25:10 UTC
Last seen:2020-07-16 13:39:14 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 12288:bg2iNa2k4zUsynZf6uYrcIDwueDJu+CIJke:81OnJ6jrcIEueDJVye
Threatray 11'322 similar samples on MalwareBazaar
TLSH 1AC49CD83DE64811C6EF8DB90CD1ED704A287EC6F4F1A2B96BC8EE5F3071240D91956A
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: smtp125.iad3a.emailsrvr.com
Sending IP: 173.203.187.125
From: Yasar Tentage & Textile Industries (Pvt) Ltd. <info@yasartentage.com>
Subject: RFQ 1
Attachment: RFQ_PO.IMG (contains "RFQ_PO.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26338/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a49522c7a5d8f1f0afc329881adc6df6b341e821c6552b63f32673db788d2a4/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 06:27:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjeveld2lwhr6cx4gkmidlog35vtihucdrsvfnr7gjtt3n4i2ksa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 11'312 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200716-q5r7dwpq9x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
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 ee8e857c964b20981059e024a88fa3d55cd0d4736a8151cc9c3e871e65c49ab2

AgentTesla

Executable exe 4a49522c7a5d8f1f0afc329881adc6df6b341e821c6552b63f32673db788d2a4

(this sample)

  
Dropped by
MD5 d671d16c6f9497a9f503c3448d9402b1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26338/
  
Dropped by
SHA256 ee8e857c964b20981059e024a88fa3d55cd0d4736a8151cc9c3e871e65c49ab2

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