MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab79b2c6cca235d1b6a2bfdc550a15497c03d193d622feaa2e48c3006ef7c0b8. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab79b2c6cca235d1b6a2bfdc550a15497c03d193d622feaa2e48c3006ef7c0b8
SHA3-384 hash: 6b7ca547abe6ad42774fd65533ab393432ceafd8376a03ec67b09ba4fee6ffd97fbb43126d5e386abd1a84e3b289e504
SHA1 hash: 3dcdee87506aab4a05217a658d25d9abb967e6a8
MD5 hash: 461f9ad389778e75ed1a7e4a29096573
humanhash: connecticut-lactose-nitrogen-fillet
File name:fWCJ6ps6jcRg47K.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:535'552 bytes
First seen:2020-08-18 12:34:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:HtomE2y0cdDClv326kAeRz2QqOjTAccBhLhFbPlh+B1M:NGJslvjeRz2EAccDzbP7+
Threatray 9'525 similar samples on MalwareBazaar
TLSH 98B402587910B28FCC7E8D3B65540D7953A023B7624BF3439D5398EA8E5DBA2CF018E2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gmail.com
Sending IP: 209.58.149.66
From: Flora Wang <cherrysammy101@gmail.com>
Subject: Re: Inquiry
Attachment: INQUIRY LIST.RAR (contains "fWCJ6ps6jcRg47K.exe")

AgentTesla SMTP exfil server:
mail.sardaplywood.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/47839/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ab79b2c6cca235d1b6a2bfdc550a15497c03d193d622feaa2e48c3006ef7c0b8/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 12:36:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vn43frwmui25dnvcx7ofkcqvjf6ahumt2yrp5krojdbqa3xxyc4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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9afaf41fc9f1418d01622663a2cda082a43071a19468f6a5e2f29c3a56aeefe8
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AgentTesla
+ 9'515 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/200818-8jtb2hs3re/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ab79b2c6cca235d1b6a2bfdc550a15497c03d193d622feaa2e48c3006ef7c0b8

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 697585895e2f2c9f624f2bd477de3a2121ccd38a8b838f6f183340b79b463e9e

AgentTesla

Executable exe ab79b2c6cca235d1b6a2bfdc550a15497c03d193d622feaa2e48c3006ef7c0b8

(this sample)

  
Dropped by
MD5 8cb82d356571b8951206a52eecf881c7
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 697585895e2f2c9f624f2bd477de3a2121ccd38a8b838f6f183340b79b463e9e
Cape
Cape
https://www.capesandbox.com/analysis/47839/

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