MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3795e7821f1d64c61639738da8ca06ed965f50f6d6039f54025e79429b21b05. 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: b3795e7821f1d64c61639738da8ca06ed965f50f6d6039f54025e79429b21b05
SHA3-384 hash: b1f5d2f521fc79a47e285e68c3dbd9158b2634cc68a3c2ba201aadce274816181294fd20eb1a6f2f0e10bdee4e9a2597
SHA1 hash: 55616816d46b44eecf26ce4c5db1c90e1b82db53
MD5 hash: 07c833ec537715b4d55d1c457a5648d8
humanhash: oranges-double-may-moon
File name:payment notification.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:509'952 bytes
First seen:2020-05-11 14:57:35 UTC
Last seen:2020-05-11 16:10:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:wgIg3W/c8oVaJtQMejSMJTIdfa5kW677CBlsRBxoF8:5k/c8oaPMJIdf+Hlg5
Threatray 10'676 similar samples on MalwareBazaar
TLSH 6EB4AD0522BC2B26F17A9BF519B0A461CBFA76277175E35D4CC224C60AE2F40CE15F6B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: cesa.duckdns.org
Sending IP: 209.182.219.170
From: paymentemail@fnb.co.za
Subject: Payment Notification
Attachment: payment notification.r10 (contains "payment notification.exe")

AgentTesla SMTP exfil server:
zstcznz.org:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.48634.6041.29194.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-11 14:01:26 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wn4v46bb6hleyylds44nvdfan3mwl5ipnvqdt5kaextziknsdmcq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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2acce03be9204acbcc6fc59fa5bebc3720d91a9d7daa122c0ea086c4727fafce
AgentTesla
58933d7bb0147da562d240bc3c9974ecaa552f35495a773345e1e7d158f39588
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58fa191f38b25cab67921a0f3c0aba75e5254ca139733df9dca6eec26fae1377
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7a55018c2903edf26bdfbbd5df47c352197170b75a04af058a35d2332d9e6b50
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9fed5314906b5873cd970313215aeb2714819bb965dc4bb7648154f1dddb6680
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b020ed473e1a965d4de31c00fed475e683f808d9665b207bb41cfdb77f53bcfe
AgentTesla
b9f1a9cdb6f068f9222b8cd906ed162d74be5662bb9dbad5540d8cc51d1a4e6a
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bbb3afd846cc51e61380effeaceabc21e15c8b4ccdab6d821697191605a00c60
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db54bb9d7b9d9bba3cf4945c6eb5f637f4726f5009d26e14857ff303abd16e7a
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f7216d025821af6be807018f12db7c5a5bd3cd21ef0176b02c6cbe0f05ac4cf7
AgentTesla
+ 10'666 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/201109-1m61dzf4sn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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

rar e32288d8e354fd679fc100c41ff8eabe73ed2db276e064f2c49d0ad384773e0e

AgentTesla

Executable exe b3795e7821f1d64c61639738da8ca06ed965f50f6d6039f54025e79429b21b05

(this sample)

  
Dropped by
MD5 9c7df4628a927fcb0ee62d3c50425fe8
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e32288d8e354fd679fc100c41ff8eabe73ed2db276e064f2c49d0ad384773e0e

Comments