MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec7341298210fae2e147d0ed6b9f9cf9edfd87d7e3901083ac4ab7c7d98519ba. 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: ec7341298210fae2e147d0ed6b9f9cf9edfd87d7e3901083ac4ab7c7d98519ba
SHA3-384 hash: 6329871daa04955c6f1e524f24fa34014393cff607c47002f76b998b9f2e9b91836f17c4db2df556df79f300c15c4c37
SHA1 hash: b513741d99a3bb2e2590a511cc5d905c338df695
MD5 hash: 7122f3afc2b2e4c2011d0f33612e20a5
humanhash: louisiana-artist-nuts-jersey
File name:REVISED ART WORK AND LABELS WITH FULL DETAILS FOR FIRST 10FCL SHIPMENTS .exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:769'536 bytes
First seen:2020-07-29 09:39:43 UTC
Last seen:2020-07-29 09:40:18 UTC
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:sYwutfN7BvQPEGGVgxbvzJnM4JxFK6GBOdAA:sYwutF7Bo+Ye4DFfGBsA
Threatray 10'878 similar samples on MalwareBazaar
TLSH ADF408F977408415D83E163588BA9ED3BAB2A14E2D14CB0E39D67F0D7E1238B2A1715F
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34736/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/402224
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 startup folder
Injects a PE file into a foreign processes
Sigma detected: Add file from suspicious location to autostart registry
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 253475 Sample: REVISED ART WORK AND LABELS... Startdate: 29/07/2020 Architecture: WINDOWS Score: 60 34 Yara detected AgentTesla 2->34 36 Sigma detected: Add file from suspicious location to autostart registry 2->36 38 .NET source code contains very large array initializations 2->38 40 Drops PE files to the startup folder 2->40 7 REVISED ART WORK AND LABELS WITH FULL DETAILS FOR FIRST 10FCL SHIPMENTS .exe 7 2->7         started        10 frotsbite.exe 2 2->10         started        13 pcalua.exe 1 1 2->13         started        15 pcalua.exe 1 2->15         started        process3 file4 28 C:\Users\user\AppData\...\frotsbite.exe, PE32 7->28 dropped 30 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->30 dropped 32 C:\Users\...\frotsbite.exe:Zone.Identifier, ASCII 7->32 dropped 17 cmd.exe 1 7->17         started        19 frotsbite.exe 3 7->19         started        44 Writes to foreign memory regions 10->44 46 Allocates memory in foreign processes 10->46 48 Injects a PE file into a foreign processes 10->48 21 InstallUtil.exe 2 10->21         started        signatures5 process6 process7 23 reg.exe 1 1 17->23         started        26 conhost.exe 17->26         started        signatures8 42 Creates an autostart registry key pointing to binary in C:\Windows 23->42
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ec7341298210fae2e147d0ed6b9f9cf9edfd87d7e3901083ac4ab7c7d98519ba/
Threat name:
ByteCode-MSIL.Infostealer.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 09:41:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5rzuckmccd5ofykh2dwwxh447hw73b6x4oibba5mjk34pwmfdg5a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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58bad158a27f9a034e8f9c5550a82d3e26bee314a33662a51074d3cd1dff1ccc
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5c40758ef7c9cbb372474f06bf50315669d361634026e9f5cadb4fd73d974184
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771e1fa33b07cab386e1c9ca1a6a264a68bfbcd1b17fa4252a836ac4cd165e0d
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7a5cbb1ca35c85dd0ce45ba9b432173991d58f93e04b802ad7e0bc591dbb22fd
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b29ff9fce5bc6dd416237a90d0c64e0b55b145f7a666152966318857ca12e921
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e4408c38f727c9fb7a0b7247f293c8634c17eecf28897369c764d64495d5f0d4
AgentTesla
+ 10'868 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/200729-7b5cl9fyls/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Reads user/profile data of web browsers
Loads dropped DLL
Reads user/profile data of local email clients
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.

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 d1b824fe6dc036efb645e7223db17477b60c4aa5e7ac6cc056bcf056326b1ac9

AgentTesla

Executable exe ec7341298210fae2e147d0ed6b9f9cf9edfd87d7e3901083ac4ab7c7d98519ba

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 d1b824fe6dc036efb645e7223db17477b60c4aa5e7ac6cc056bcf056326b1ac9
Cape
Cape
https://www.capesandbox.com/analysis/34736/

Comments