MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f50427b5ec3b2976eaa227bed22b72f732208dceae47d073d89243590235a62d. 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: f50427b5ec3b2976eaa227bed22b72f732208dceae47d073d89243590235a62d
SHA3-384 hash: b5b2feb63cb3882f1b34fe8ca16c617ff560a1a971de89ad662baa40930cf219b1c75d27b4912b6bde87094ff3c12cc7
SHA1 hash: dbf675a436e1b681aa5398d397cd9eec580df5f8
MD5 hash: 96a05cb615c763ce9c1e42b26ae6be29
humanhash: venus-pasta-bulldog-vermont
File name:SecuriteInfo.com.CAP_HookExKeylogger.8572.23024
Download: download sample
Signature AgentTesla
Create hunting rule
File size:776'704 bytes
First seen:2020-08-26 20:56:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:yv9I2fOiWhxG8+YnIrS9bGQZm4h0lJ2GeOdAQfozVR6mFD6dJEf:Cw9h88+nShb0oV9v
Threatray 10'588 similar samples on MalwareBazaar
TLSH A6F4083E7686E51BD43D063100685AD0F335A28A3A45CB2F79CF579C9E0379B7B2A14E
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/51467/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.8572.23024.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/452083
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
Drops PE files to the user root directory
Injects a PE file into a foreign processes
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
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 278442 Sample: SecuriteInfo.com.CAP_HookEx... Startdate: 27/08/2020 Architecture: WINDOWS Score: 72 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected AgentTesla 2->37 39 .NET source code contains very large array initializations 2->39 41 Machine Learning detection for sample 2->41 7 SecuriteInfo.com.CAP_HookExKeylogger.8572.exe 7 2->7         started        11 pcalua.exe 1 1 2->11         started        13 pcalua.exe 1 2->13         started        process3 file4 27 C:\Users\user\mhsu.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 7->29 dropped 31 C:\Users\user\mhsu.exe:Zone.Identifier, ASCII 7->31 dropped 33 SecuriteInfo.com.C...logger.8572.exe.log, ASCII 7->33 dropped 45 Drops PE files to the user root directory 7->45 15 mhsu.exe 3 7->15         started        18 cmd.exe 1 7->18         started        signatures5 process6 signatures7 47 Multi AV Scanner detection for dropped file 15->47 49 Machine Learning detection for dropped file 15->49 51 Writes to foreign memory regions 15->51 53 2 other signatures 15->53 20 RegAsm.exe 2 15->20         started        22 reg.exe 1 1 18->22         started        25 conhost.exe 18->25         started        process8 signatures9 43 Creates an autostart registry key pointing to binary in C:\Windows 22->43
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f50427b5ec3b2976eaa227bed22b72f732208dceae47d073d89243590235a62d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-26 18:42:06 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6uccpnpmhmuxn2vce67nek3s64zcbdoovzd5a46ysjbvsarvuywq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'578 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200826-rpqj9b64e2/
Behaviour
AgentTesla Payload
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Lokibot
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f50427b5ec3b2976eaa227bed22b72f732208dceae47d073d89243590235a62d

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 f50427b5ec3b2976eaa227bed22b72f732208dceae47d073d89243590235a62d

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/51467/
  
URLhaus
https://urlhaus.abuse.ch/url/444518/
  
Delivery method
Distributed via web download

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