MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b8d547bfdaf91ee79e147f12226d39849f9896db528aa77d2f093931083cb5b. 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: 4b8d547bfdaf91ee79e147f12226d39849f9896db528aa77d2f093931083cb5b
SHA3-384 hash: 29eebd2da15e4a1f78badd61af94b7cd70722e374751976ad8097be79200b774eb44231998fa538c7a88daaf1e79ae6c
SHA1 hash: 0244b39a2f3511debeb725fdfc43b47900e9a4f7
MD5 hash: be3dde5d2d88e11f12fae06acd2a812d
humanhash: shade-idaho-berlin-carolina
File name:QUOTATION COPY_PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:479'232 bytes
First seen:2020-05-12 12:00:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:4FyMMHnADCuVurztT13SqLS5i2Fj0e7l1oKqNkCxpexmETH:DyCuANGvF4e7nW6CxQxj
Threatray 10'788 similar samples on MalwareBazaar
TLSH AFA4F117361CAE0BCA9E00FF809121467776522279C3F3D67CD294EE27E67C22196E5B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: s055.host-age.ro
Sending IP: 91.216.156.140
From: sales <muhammed.ocmaz@gmail.com>
Subject: RE: QUICK REQUEST FOR QUOTATION
Attachment: QUOTATION COPY_PDF.gz (contains "QUOTATION COPY_PDF.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR.26672.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-12 12:41:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jogvi675v6i646pbi7ysejwttbe7tclnwuuku56s6cjzgeedznnq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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131d016519d6ec1f5ce66362f5c4c917d4cdf0648242f20272b59a43764c53f0
AgentTesla
1d3e3896303994f755fcaa5c1e4e699f6453bf9e080851f994e658fc95482333
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64df39ad1c9796f197681de5ec882e28c40671cb552a7adb5f94b780995965ad
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80fbc22a86b0bdd1628897a522a16daa48af2e0ab58dafde86fd26f69526f9bb
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8cacb4c01a703f8a300130d23fe74ab651ce7916a701357cb14b468e2a816a3d
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b0fc5ca9a05de7084f80988655e413f489556a99e07d5009aee4fb476ce243de
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c8b0df1edd85a3baf7e20c73d359e5b8329024dbc26775f7fc2d2543d53a3a1d
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f5de22863415baa10e9e1c81e87e26083a09859c33aac0c30e16d55e140ced20
AgentTesla
+ 10'778 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-2l3mmf56xx/
Behaviour
Creates scheduled task(s)
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
rezer0
AgentTesla
CoreEntity .NET Packer
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.

d4200855c94fa123fb352da6969f6b5d

AgentTesla

Executable exe 4b8d547bfdaf91ee79e147f12226d39849f9896db528aa77d2f093931083cb5b

(this sample)

  
Dropped by
MD5 d4200855c94fa123fb352da6969f6b5d
  
Delivery method
Distributed via e-mail attachment

Comments