MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a157b217186051da0622b17c6ddf722769c60887266c8e439d84514a4ce858ba. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a157b217186051da0622b17c6ddf722769c60887266c8e439d84514a4ce858ba
SHA3-384 hash: 146fad1007c1000217d1ba1e41e512be3c08fd139b4a58a7673ac6b97adae05860350fb7836d80fd57c3b9e0eb5106e3
SHA1 hash: 3912d4be49f19f3b322d5915047f9151a0a4ff49
MD5 hash: 8f482dd2657a2bd05f81cfa17aeea131
humanhash: nuts-autumn-oregon-fillet
File name:Swift copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:522'040 bytes
First seen:2020-07-21 07:40:36 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:VjUip9iKxegNoqpbgwcHdJkJx8NBJa/NlLRMlmnhwBxXzg1DF5o8il30p7p:VjD9fx7oqF/UEJ2N3Wlmlmhk9Vm
Threatray 298 similar samples on MalwareBazaar
TLSH FEB4BE3979D3492EC82E0679C878A9C572B4B64A3B52CF5E24AB130C4E533677712D2F
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sonic308-21.consmr.mail.sg3.yahoo.com
Sending IP: 106.10.241.211
From: Tan <andre_sutisra_72@yahoo.com>
Reply-To: Tan <andre_sutisra_72@yahoo.com>
Subject: Re:Confirmation of required wire
Attachment: Swift copy.zip (contains "Swift copy.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29829/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/392790
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a157b217186051da0622b17c6ddf722769c60887266c8e439d84514a4ce858ba/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 07:42:11 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ufl3efyymbi5ubrcwf6g3x3se5u4mcehezwi4q45qriuuthilc5a._file
Verdict:
unknown
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+ 288 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200721-dcq8gzwh46/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Loads dropped DLL
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a157b217186051da0622b17c6ddf722769c60887266c8e439d84514a4ce858ba

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 ade2854cf9442c96d447a57403f756707a5cce5ff379d3c692a7becb1f575046

AgentTesla

Executable exe a157b217186051da0622b17c6ddf722769c60887266c8e439d84514a4ce858ba

(this sample)

  
Dropped by
MD5 672da6fda251c7d8189b20679d26e450
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29829/
  
Dropped by
SHA256 ade2854cf9442c96d447a57403f756707a5cce5ff379d3c692a7becb1f575046

Comments