MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 661a23fbb68a04d534e7dc2f481065984141666fac72ef0a5342a622c0a1fba3. 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: 6


Intelligence 6 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 661a23fbb68a04d534e7dc2f481065984141666fac72ef0a5342a622c0a1fba3
SHA3-384 hash: 53e3ae71b886ff31c0b13a270f098b3cd9e26b7ba93d508e190e09adb7f88f8d892cf11612f6f392e2390faa55bb0d3a
SHA1 hash: 31a6ac6ad48d14f6719086f343d5c74a1657dd0f
MD5 hash: c8aa43fa29e981c8e0a1a307c703a948
humanhash: floor-maryland-delta-paris
File name:NEW PURCHASE ORDER.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:514'048 bytes
First seen:2020-06-19 06:03:41 UTC
Last seen:2020-06-19 07:03:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:40SZEgn05KWz3wYXgJeTtDBegPUgpIijZeOFHIRE3oDJx2iN:40Pc9Wz3wo/PVqijZeO6RE3Iv1
Threatray 10'654 similar samples on MalwareBazaar
TLSH A8B4236C27F4875ACBDD13B44D7A63159BBDB60D5543EB3E0BB3B9580AB336189800A3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: loescheindia.com
Sending IP: 103.99.1.149
From: Naresh Kumar <naresh@loescheindia.com>
Subject: RE: Requesting for price Quotation
Attachment: NEW PURCHASE ORDER.zip (contains "NEW PURCHASE ORDER.exe")

AgentTesla SMTP exfil server:
mail.pptoursperu.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/9457/
Detection(s):
SecuriteInfo.com.Trojan.Inject3.43622.879.11335.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-19 05:21:08 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mynch65wricnknhh3qxuqedftbaucztpvrzo6cstiktcfqfb7orq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'644 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
evasion spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200624-6cznk8prse/
Behaviour
Suspicious use of AdjustPrivilegeToken
Modifies registry key
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies service
Suspicious use of SetThreadContext
Adds Run entry 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
Disables Task Manager via registry modification
Drops file in Drivers directory
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_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
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 db769d7bd183986649c1deb6c82517a37ed2dddd53217bbf52a1480276519fa3

AgentTesla

Executable exe 661a23fbb68a04d534e7dc2f481065984141666fac72ef0a5342a622c0a1fba3

(this sample)

  
Dropped by
MD5 e26d05576224f793d510b7245e481d6d
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 db769d7bd183986649c1deb6c82517a37ed2dddd53217bbf52a1480276519fa3
Cape
Cape
https://www.capesandbox.com/analysis/9457/

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