MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6e27dd859c2b932284d6a65629a1df3f262ba01b11c56281935dcf6beecdf8f. 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: b6e27dd859c2b932284d6a65629a1df3f262ba01b11c56281935dcf6beecdf8f
SHA3-384 hash: af0ec7cb16eb2c5a832780ae9437fa4e74ae166172f77a179920250bcecbf83e008c0808ed1e5f9f8609c75bce215ab8
SHA1 hash: d2593a8ab114593c16b77914acddd9d917fb58a1
MD5 hash: 545f0d6c85e724cdf181bbb695d6adb1
humanhash: triple-london-wisconsin-alpha
File name:Inquiry162020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:574'464 bytes
First seen:2020-07-16 06:30:11 UTC
Last seen:2020-07-16 13:46:14 UTC
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:ys+/rGZT2k4zUwZEc1pCX3tXrTGN/BGKbDltEkMzeeRCiRn7:rgLKscBrTGfGQltg
Threatray 11'008 similar samples on MalwareBazaar
TLSH 58C49DDC3510719EC85E8D7649A4DC30AA206C66F7FBD206A3C36E9F793C597CE052A2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sofal.com.my
Sending IP: 172.93.187.52
From: Jean-Paul Mochet<aini@sofal.com.my>
Subject: Purchase order inquiry
Attachment: Inquiry162020.zip (contains "Inquiry162020.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26354/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.14222.23248.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b6e27dd859c2b932284d6a65629a1df3f262ba01b11c56281935dcf6beecdf8f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 06:32:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w3rh3wczyk4tekcnnjswfgq56pzgfoqbweofmkazgxopnpxm36hq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'998 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/200716-5gz8k931sx/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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

zip f1ff478a7d34676393c480932ec4c3b17c790d1bb1ea719d21b55efce7042677

AgentTesla

Executable exe b6e27dd859c2b932284d6a65629a1df3f262ba01b11c56281935dcf6beecdf8f

(this sample)

  
Dropped by
MD5 cd7bb1fc6034ee1eb6a0a9e973c52e83
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26354/
  
Dropped by
SHA256 f1ff478a7d34676393c480932ec4c3b17c790d1bb1ea719d21b55efce7042677

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