MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ef2450211008b0374ed0001a1e8c8994be08ab144e45ecbb3816b12b81861c3. 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: 4ef2450211008b0374ed0001a1e8c8994be08ab144e45ecbb3816b12b81861c3
SHA3-384 hash: e03b19c6f36674fab7db4d265f6853c4c619c94691fccb7638df6a7d1b8c4bd86467ee0fa899715852cbeeabba90df60
SHA1 hash: fc11d3e5d93d6eb46c028e63b9c3a725b9a08ecf
MD5 hash: bcbe5230e4cad093a378ada3dc75cd0d
humanhash: illinois-magnesium-orange-floor
File name:INVOICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:721'408 bytes
First seen:2020-08-18 13:27:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:wKRKbwa+AkrkqS6lOs5vKtCUFrqz+ibv0muHU8daGS3geLpR0xSu:1RFpAkrkqdlNxK4euZSS3TP0
Threatray 10'398 similar samples on MalwareBazaar
TLSH 0AE4010DB620F28FC42E8D3A9566DC34571066735B07F68AED0377DF0A2DB9A9A058F1
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: properso.com
Sending IP: 62.210.157.138
From: frankbicrossing <frankbicrossing@china.com>
Subject: payment For Outstanding Invoices
Attachment: INVOICE.rar (contains "INVOICE.exe")

AgentTesla SMTP exfil server:
mail.varda.com.tr:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/47934/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Creating a file
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4ef2450211008b0374ed0001a1e8c8994be08ab144e45ecbb3816b12b81861c3/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 03:22:56 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j3zekaqracfqg5hnaaa2d2gitff6bcvritsf5s5tqfvrfoaymhbq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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1bfdb7e4f0aadba330b6017c2608570e791bfddff789d128ecb5ca9a5a06e6fe
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263573ece93d13d69ed99ea6be5715ca5b15e1877ed09a274ca9cf55f4d16a22
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ab79b2c6cca235d1b6a2bfdc550a15497c03d193d622feaa2e48c3006ef7c0b8
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af27bd7180ad756460e32f2ae56db7cbdc8a79e73a36b261a96f803e5b051fd5
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b502f774e9192f77aa713347f2747b67df5a473be721226bf0b2d98bdff8a835
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c9522b2123a5c1d678125fecafc722f82d46c099f6c1cbcca6b95c2911130927
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f749fcdcc06750ec8e3839b52ddd13e9a2023673da83aefe1c13439e1351fab5
AgentTesla
+ 10'388 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200818-5nv66pl81a/
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Noon
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/4ef2450211008b0374ed0001a1e8c8994be08ab144e45ecbb3816b12b81861c3

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

rar 1caf0f86b128ef2d0db643628cfcbba8530186e54c7839951555453273ef719b

AgentTesla

Executable exe 4ef2450211008b0374ed0001a1e8c8994be08ab144e45ecbb3816b12b81861c3

(this sample)

  
Dropped by
MD5 6be92fbfd0b77bd6031d660201dbeb4b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/47934/
  
Dropped by
SHA256 1caf0f86b128ef2d0db643628cfcbba8530186e54c7839951555453273ef719b

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