MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21a7cc24b6be7d48071fad526da8856a50afd02102ed0839430982d521ea7c8b. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21a7cc24b6be7d48071fad526da8856a50afd02102ed0839430982d521ea7c8b
SHA3-384 hash: a2043406b1643c7fe4089ff7f0fcfc6348715814fdccb019df65ed71c5c7b9304f293d9663a5f535895f91d6c1e967d5
SHA1 hash: 6031f90d155e644ab9669c11d42a1b556aa388e3
MD5 hash: fb3f114ead51845ba3568be8c9535c4e
humanhash: georgia-sodium-spaghetti-carolina
File name:758697067r577.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:876'544 bytes
First seen:2020-06-25 09:33:55 UTC
Last seen:2020-06-25 10:52:40 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:lMzQ2JyQVwXUjFh3SclDsl7zTSaASl9eCn:lMzQ2jCc1s5wSlgO
Threatray 10'822 similar samples on MalwareBazaar
TLSH 19154A3965A07AC5E4BD8E724D999540BFF35D426A01C30FE5D0B6E85A333CAEA011FE
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: chudaimooocom.blazingfast.io
Sending IP: 5.206.224.20
From: Sulzer Global <purchase@sulzer.com>
Reply-To: wsdled@vivaldi.net
Subject: Business Order
Attachment: 987865678Order78657.xlsx.img (contains "758697067r577.exe")

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

Intelligence

File Origin
# of uploads :
4
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14126/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.349.28077.712.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21a7cc24b6be7d48071fad526da8856a50afd02102ed0839430982d521ea7c8b/
Gathering data
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=egt4yjfwxz6uqby7vvjg3kefnjik7ubbalwqqokdbgbnkipkpsfq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'812 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/200625-xgv5v48cwx/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Loads dropped DLL
Executes dropped EXE
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

img 6f94f415f23fe820a146fcd53a11cf091fd942637bcece87405fde828a04ad7a

AgentTesla

Executable exe 21a7cc24b6be7d48071fad526da8856a50afd02102ed0839430982d521ea7c8b

(this sample)

  
Dropped by
MD5 7c52bfc9a96e87dbb89d03685dea908f
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/14126/
  
Dropped by
SHA256 6f94f415f23fe820a146fcd53a11cf091fd942637bcece87405fde828a04ad7a

Comments