MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33116366ba07e00a86a84e5de1a4f0b39c9af17f5c777111f61b4b02b638e5e6. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33116366ba07e00a86a84e5de1a4f0b39c9af17f5c777111f61b4b02b638e5e6
SHA3-384 hash: f531d4d4eb7cf9aa46d516fac51b75a51aef29fea38e832aaf59d0cd463e2d6c53f6c85fbbf5c3379404461d39de1ed2
SHA1 hash: 7e97d17f2b5c58e6e2d8a8b71771a7c8a839c136
MD5 hash: 906e5190816f545d0a3f9d416d8e1706
humanhash: kentucky-eight-seventeen-cold
File name:906e5190816f545d0a3f9d416d8e1706.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'275'467 bytes
First seen:2020-09-14 05:55:54 UTC
Last seen:2020-09-14 06:52:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:MKVACoT+xvT3hUNKEfM5DV4g+Uiyb9nkSOxeQ7vA8SrokzQvnT:nuZrgHhnHENScLvT
Threatray 10'202 similar samples on MalwareBazaar
TLSH C9455B3A3A86E814EA3E053200E855D27671A24B7E42CB2F79DF075C5F02AEF3F5554A
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/58954/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.24337.29484.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file
Creating a process from a recently created 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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/465032
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Creates an autostart registry key pointing to binary in C:\Windows
Creates multiple autostart registry keys
Drops PE files to the user root directory
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 284927 Sample: 8QnG43d6KO.exe Startdate: 14/09/2020 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Found malware configuration 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 3 other signatures 2->63 7 8QnG43d6KO.exe 7 2->7         started        11 pcalua.exe 1 2->11         started        13 57QwA12.exe 2->13         started        15 pcalua.exe 1 1 2->15         started        process3 file4 35 C:\Users\user\ndsg.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 7->37 dropped 39 C:\Users\user\ndsg.exe:Zone.Identifier, ASCII 7->39 dropped 41 C:\Users\user\AppData\...\8QnG43d6KO.exe.log, ASCII 7->41 dropped 65 Drops PE files to the user root directory 7->65 17 ndsg.exe 2 7->17         started        20 cmd.exe 1 7->20         started        22 ndsg.exe 3 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 signatures7 47 Writes to foreign memory regions 17->47 49 Allocates memory in foreign processes 17->49 51 Injects a PE file into a foreign processes 17->51 26 AddInProcess32.exe 2 4 17->26         started        31 reg.exe 1 1 20->31         started        33 conhost.exe 20->33         started        53 Multi AV Scanner detection for dropped file 22->53 55 Machine Learning detection for dropped file 22->55 process8 dnsIp9 45 mail.b.hostedemail.com 64.98.36.128, 49725, 587 TUCOWS-3CA Canada 26->45 43 C:\Users\user\AppData\Roaming\...\57QwA12.exe, PE32 26->43 dropped 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->67 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 26->69 71 Tries to steal Mail credentials (via file access) 26->71 77 5 other signatures 26->77 73 Creates multiple autostart registry keys 31->73 75 Creates an autostart registry key pointing to binary in C:\Windows 31->75 file10 signatures11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/33116366ba07e00a86a84e5de1a4f0b39c9af17f5c777111f61b4b02b638e5e6/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-09-14 05:57:06 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gmiwgzv2a7qavbvijzo6djhqwoojv4l7lr3xcepwdnfqfnry4xta._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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99b1b22055fc3b65d41897f793b391692268773a7a316cb7afa88c7493c7bcbc
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AgentTesla
+ 10'192 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200914-45v5cqa33a/
Behaviour
AgentTesla Payload
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/33116366ba07e00a86a84e5de1a4f0b39c9af17f5c777111f61b4b02b638e5e6

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.

Web download

AgentTesla

Executable exe 33116366ba07e00a86a84e5de1a4f0b39c9af17f5c777111f61b4b02b638e5e6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/441089/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/58954/

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