MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a465d738b180ef7304641b26840855fc15676b2d04a52b67388dc1cd55c29cae. 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: a465d738b180ef7304641b26840855fc15676b2d04a52b67388dc1cd55c29cae
SHA3-384 hash: 304a9a63b1287281d2a249502f2826b052a2ad78085f66ec83b36217a27ab2f76bc3de444a2d3162aef53c0cfd4f6dab
SHA1 hash: 0b4c76a8405e9ddcdb289a757be75734f38ab1e4
MD5 hash: 06eebbd85424a90172ae95e8aae0dc17
humanhash: march-leopard-tango-burger
File name:Payment.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:531'968 bytes
First seen:2020-08-12 15:52:34 UTC
Last seen:2020-08-12 17:00:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:7c08KQKvPLLHanO5KBwZ5vBf6GQKWf4qI:Y03VXP15p9XT9
Threatray 10'649 similar samples on MalwareBazaar
TLSH 63B4F02879E48123E36F87B890D4911807B8AE1215DAFA4E6EE5F8CFD5FA70EC055077
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sonic312-19.consmr.mail.sg3.yahoo.com
Sending IP: 106.10.244.209
From: Golden Trade Ltd <goldenjlbd@yahoo.com>
Reply-To: goldenjlbd@yahoo.com
Subject: Payment Update
Attachment: Payment.zip (contains "Payment.exe")

AgentTesla SMTP exfil server:
smtp.gmail.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/44307/
Detection(s):
SecuriteInfo.com.Generic.mg.06eebbd85424a901.15028.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Sending a UDP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/423168
Signature
Contains functionality to register a low level keyboard hook
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Maps a DLL or memory area into another process
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)
Sample uses process hollowing technique
Sigma detected: RegAsm connects to smtp port
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: 264028 Sample: Payment.exe Startdate: 13/08/2020 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Sigma detected: RegAsm connects to smtp port 2->31 33 Yara detected AgentTesla 2->33 35 Initial sample is a PE file and has a suspicious name 2->35 6 Payment.exe 2->6         started        9 Payment.exe 1 1 2->9         started        11 Payment.exe 2->11         started        process3 signatures4 37 Writes to foreign memory regions 6->37 39 Maps a DLL or memory area into another process 6->39 41 Sample uses process hollowing technique 6->41 13 RegAsm.exe 2 6->13         started        17 RegAsm.exe 6->17         started        19 RegAsm.exe 9->19         started        21 RegAsm.exe 2 9->21         started        23 RegAsm.exe 9->23         started        25 RegAsm.exe 2 11->25         started        process5 dnsIp6 27 smtp.gmail.com 172.253.120.109, 49705, 587 GOOGLEUS United States 13->27 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->43 45 Tries to steal Mail credentials (via file access) 13->45 47 Tries to harvest and steal ftp login credentials 13->47 55 2 other signatures 13->55 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->51 53 Contains functionality to register a low level keyboard hook 19->53 signatures7
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a465d738b180ef7304641b26840855fc15676b2d04a52b67388dc1cd55c29cae/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-12 15:54:10 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=urs5oofrqdxxgbdedmtiiccv7qkwo2znassswzzyrxa42voctsxa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2e26f3d20d246b10bfabfceb33cbfd707049377dc821e2cd4ef9f77ab599693d
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40d3ca5791d5b0dbbcfac86f352a5526dae74f9f828346b92b448787c654b331
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878770eb180f92d911dbb519c93aac3b4b63269f45d8af9500f6a144e6635b7d
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8be1266645d388fa35124c58831cbd83fdc9b6faac7ad44ddaf4b0f6b9d2fd09
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aa556dde1f62e5e897bf5db6980f8202febe626f2e9840190f1f2695eec3c065
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bcfe28b074cc1d9b0fb7896ee3eb4d28c240bee33cb76578f0f9f1ef90ab92e6
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dcbfc03cfe9523c25ab335f599cebcbbe8f2439ef7ab973aa9ec0330e4e7d11f
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e55e9cd2c9714d2307617574b4426ba13b351433955ea049125bd0eaf8276c5c
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f242ad8f253e4e481529cffa7b3d697683649ba31b8c8500f2d24d2bf591e553
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f8166c3c857a7a3ba99515cf6ae242a78050fba7608e24a88e2559e0063a187a
AgentTesla
+ 10'639 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200812-vsnswexqpa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a465d738b180ef7304641b26840855fc15676b2d04a52b67388dc1cd55c29cae

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 57a138e7d0645a32ff98c47f4cc6ea8464cfee590ebef4a1560caeeceb0a0d99

AgentTesla

Executable exe a465d738b180ef7304641b26840855fc15676b2d04a52b67388dc1cd55c29cae

(this sample)

  
Dropped by
MD5 e7268b5367c4076e08efc0bc47e55b1a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/44307/
  
Dropped by
SHA256 57a138e7d0645a32ff98c47f4cc6ea8464cfee590ebef4a1560caeeceb0a0d99

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