MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 898fb94bb9fb9894ad31a2c4eec424aa0de35cfe8fb97f9da0914105d397ea3f. 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: 898fb94bb9fb9894ad31a2c4eec424aa0de35cfe8fb97f9da0914105d397ea3f
SHA3-384 hash: ff0b9a7dd257d2fa37b3bd0c867f23a5fb3f618419abb75cdf4517983dcd96701ac9eebbf0c5a188c938a5980ff3456d
SHA1 hash: 84b8c6aba5df844cd70f757594766187c911db39
MD5 hash: 82c4743a0fdcf03a6542fcc1042cdff1
humanhash: robert-hot-neptune-two
File name:Purchase__quote.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:691'712 bytes
First seen:2020-06-03 13:58:43 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:achTamKrNkjWP6hklJNFdfcAyn3gQRSV/FqVboK8t6csimuTYiOx+xHVD379w3EG:aQZhkJV/9w3jjR5/jYwH
Threatray 10'997 similar samples on MalwareBazaar
TLSH 06E46B9D721072EFC85BD472DAA81C68EA6578BB831F4207942715EDEE4D887CF244F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: tepse.gr
Sending IP: 193.29.187.182
From: Rena Balabani - TEPSE SA <rena.balabani@tepse.gr>
Subject: REQUEST
Attachment: Purchase__quote.pdf.r00 (contains "Purchase__quote.pdf.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-03 14:35:49 UTC
AV detection:
22 of 31 (70.97%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rgh3ss5z7omjjljrulco5rbevig6gxh6r64x7hnasfaqlu4x5i7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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b9a12009bbff8c77d8d325b990a53e33f68b60bd734762a0f31721286eaa329f
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e7228f6d29c3c37f9efd212b73407cf992196903824601da7ff55b7a734e727c
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ea7084c6771d3582c0b95ef3cd3ce4e371cfcc7b41f358e8645e4bf4870fa2f2
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AgentTesla
+ 10'987 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-cxgbfppll6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
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
Drops file in Drivers directory
rezer0
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

r00 3e68a8d48032c6c49d22d5d687f8a78819e5e08dca1d86b510472ea7a490f94a

AgentTesla

Executable exe 898fb94bb9fb9894ad31a2c4eec424aa0de35cfe8fb97f9da0914105d397ea3f

(this sample)

  
Dropped by
MD5 5b9f4f70d5805902364582fca4190081
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 3e68a8d48032c6c49d22d5d687f8a78819e5e08dca1d86b510472ea7a490f94a

Comments