MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3418a3272d2f9a7b3121655ac783ce213a3d4557def273d3d3ae170ace88974. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3418a3272d2f9a7b3121655ac783ce213a3d4557def273d3d3ae170ace88974
SHA3-384 hash: 870e9ec161c28a57657179bef6279b2bf5699ffdd05d662c98896a0ad9f2ea55b571715bbc5215990923fb097531bb44
SHA1 hash: 959946aa020f861eadec577d196abf9103122acf
MD5 hash: 9224318ad7dedb4b641bea034000a759
humanhash: shade-uranus-river-dakota
File name:img_7212020_jpg.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:544'256 bytes
First seen:2020-07-21 07:35:44 UTC
Last seen:Never
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:bYvuQK5EwDsoVeC/G9Zx2gvdtzchKr82AU:0WVEwDsoVeC/2xVvvzcYrlAU
Threatray 10'659 similar samples on MalwareBazaar
TLSH ADC48B10E7B84AD9E3BA57BCE874010487B0B51AA7EBE7591B91F0ED1822710DB13F67
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: scsexpress.net
Sending IP: 209.58.149.66
From: Accounts <fns@scsexpress.net>
Subject: TOP URGENT ON PAYMENT
Attachment: img_7212020_jpg.gz (contains "img_7212020_jpg.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
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/392753
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248622 Sample: img_7212020_jpg.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 4 other signatures 2->37 7 img_7212020_jpg.exe 11 2->7         started        process3 file4 21 C:\Users\user\AppData\...\jARNxQmwUU.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\Temp\tmp283.tmp, XML 7->23 dropped 25 C:\Users\user\...\img_7212020_jpg.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Injects a PE file into a foreign processes 7->43 11 img_7212020_jpg.exe 4 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.yandex.ru 77.88.21.158, 49716, 587 YANDEXRU Russian Federation 11->27 29 smtp.yandex.com 11->29 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 Tries to harvest and steal browser information (history, passwords, etc) 11->51 17 conhost.exe 15->17         started        19 conhost.exe 15->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c3418a3272d2f9a7b3121655ac783ce213a3d4557def273d3d3ae170ace88974/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 03:25:45 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ynayumts2l42pmysczk2y6b44ij2hvcvpxxsopj5hlqxblhirf2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'649 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200721-dkq6en6w62/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c3418a3272d2f9a7b3121655ac783ce213a3d4557def273d3d3ae170ace88974

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

gz 51cc18276530b741c9e9c95928d80902f835789f9adc3b977fedc976ed1902d4

AgentTesla

Executable exe c3418a3272d2f9a7b3121655ac783ce213a3d4557def273d3d3ae170ace88974

(this sample)

  
Dropped by
MD5 9add11c870cc4ae1392ab3db5974ac2d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29813/
  
Dropped by
SHA256 51cc18276530b741c9e9c95928d80902f835789f9adc3b977fedc976ed1902d4

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