MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aff6a40316f31ad9bbd1316e546e2f700ddc7dca8072fb5a1da105591791e625. 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: aff6a40316f31ad9bbd1316e546e2f700ddc7dca8072fb5a1da105591791e625
SHA3-384 hash: 872789e1b0b039bf3e3f5cbc7204fcbe9a7ad3c0008cc9b36a2d58aeeb169b7cea566772af6df9141d967c1853e86cff
SHA1 hash: 13b032ac11b6bde0878d98484f628ee6df2060ea
MD5 hash: 4cf13646c7541b956eeb130477e4fad1
humanhash: table-friend-double-orange
File name:QUOTATION.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:669'696 bytes
First seen:2020-06-03 08:23:00 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 6144:vaUDG3Kp1l6VEJD6LpzkvuN7p3fI8SmGxmEMzLBI4AIcqOncnf2V8:vaUDd96VEt6QQVPt1zVI4AZncn9
Threatray 11'165 similar samples on MalwareBazaar
TLSH 60E44B3E7AC5A906D13C057250F6669167B2B9833E12C30F79CE53ADAF027CE2B15369
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.almanar-group.com
Sending IP: 85.187.140.185
From: Hangzhou Chinastars Reflective Material Co.Ltd <Yuan@akadiamondtools.com>
Reply-To: kate.wang@aus-home.com
Subject: CONFIRM PAYMENT AND QUOTATION
Attachment: QUOTATION.arj (contains "QUOTATION.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Genkryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-03 10:15:00 UTC
AV detection:
20 of 31 (64.52%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v73kiayw6mnnto6rgfxfi3rpoag5y7okqbzpwwq5uecvsf4r4ysq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
netwirerc
Create hunting rule
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AgentTesla
+ 11'155 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla agilenet keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-nx4bds1ja6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
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

arj 2b3d48a86c2a6bc7ecae8e236d3b91941ee60bb05800d7522e7955435cc71f7d

AgentTesla

Executable exe aff6a40316f31ad9bbd1316e546e2f700ddc7dca8072fb5a1da105591791e625

(this sample)

  
Dropped by
MD5 94bd1eb2222795fbd28432cc50aee401
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 2b3d48a86c2a6bc7ecae8e236d3b91941ee60bb05800d7522e7955435cc71f7d

Comments