MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39f598e73c03390cc4caf9663c3cc455b26015afe4d221f07d02a639563ec696. 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: 39f598e73c03390cc4caf9663c3cc455b26015afe4d221f07d02a639563ec696
SHA3-384 hash: 2ba9bf6901032732a3d0a36fe6ef4272eb01d9dd7a9e7215ba2e5918841d4ac26014dbcff9432d1862e328a49ea50bf2
SHA1 hash: 8602dbb266c38c62eb48e55d78229a2fb3b7637c
MD5 hash: a75e3354730ab563474321aef04cda5d
humanhash: river-ack-mobile-table
File name:RFQ.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:464'896 bytes
First seen:2020-05-11 12:11:42 UTC
Last seen:2020-05-11 13:04:42 UTC
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:lqfCGk3cwaX0ilFglquq5G9nXQ6ZxZ5hKfRA2GUuwO+RJ:lqfCGk3cwaX0ilQqD5G5bxoA2vz
Threatray 10'711 similar samples on MalwareBazaar
TLSH 57A4D014329C277BE4B26BF12AA4A441D7B2706A3866E7AD4DD215CB41F8F41C871F3B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ahsaniamission.org.bd
Sending IP: 209.58.149.65
From: Alhmmed Esmali <dambgd@ahsaniamission.org.bd>
Subject: RFQ – Road Construction And Drilling Equipments
Attachment: RFQ.zip (contains "RFQ.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.45506.2605.11427.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-11 07:14:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
26 of 30 (86.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hh2zrzz4am4qzrgk7ftdypgekwzgafnp4tjcd4d5aktdsvr6y2la._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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5b4ed11f3388dac10aca71ff4c44295b5cc261340d1b5aaf23b10b513f2f4f18
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769b37ba66756e16758f02f74f9e32c7207da79361cdf04f7c3e92600a8b6e6d
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ac14d182546457a8a75ccd5ed95a06f4d3983cd375bfb5fdc8615e2ebe3837f6
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c0de7f1d595e6c5237f2d30f48bd2de0f964dd15f56a93a41b8de1c8d7e9bb19
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c1d3bc44ecdb69831c1c3938b195fe8b1be780102e0f1a0a676cb60d9c98e96f
AgentTesla
+ 10'701 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-tcqg1xra2s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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

zip f28df00b1a8fec611de628080be86c8c7dc6b2bc38474d7c064d17b3954ebade

AgentTesla

Executable exe 39f598e73c03390cc4caf9663c3cc455b26015afe4d221f07d02a639563ec696

(this sample)

  
Dropped by
MD5 9bb55b1708bcd6c51fcbee43695208eb
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 f28df00b1a8fec611de628080be86c8c7dc6b2bc38474d7c064d17b3954ebade

Comments