MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77a9652b29e432e9a9bdf2698fc841b88153739300f329d39fc8ada898390539. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77a9652b29e432e9a9bdf2698fc841b88153739300f329d39fc8ada898390539
SHA3-384 hash: e8d4705692cf29f784e7458d565e550ee6ab418d16f61ed0a12425b4413b061b7e9db1ecded24457d4503a013c85bffb
SHA1 hash: 66474ee898e14250c3ffeab9335420b3bcf649b8
MD5 hash: 1154a1e546242fce05b19e57f4d51b70
humanhash: massachusetts-delaware-eight-south
File name:k5jT8OXjl89E0ZP.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:454'144 bytes
First seen:2020-05-27 08:02:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:u0wtbgE187Zo8gmd7cpsqRsd+AN3xAj0MmzGkA9u:bCbg3dLY0nN3x
Threatray 10'649 similar samples on MalwareBazaar
TLSH 31A4AEAD7210B6DFC86BC4769AA82C64ABA03077530BD247991351EE9E0DAD7CF141F3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: pro42.emailserver.vn
Sending IP: 103.15.48.69
From: MD - CHUNGMO Co., LTD <md2@chungmo.vn>
Reply-To: lolavd.aio@gmail.com
Subject: New Order and Items Listed for Supplies
Attachment: Item Listed.zip (contains "k5jT8OXjl89E0ZP.exe")

AgentTesla SMTP exfil server:
smtp.forapro-ru.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WBK.31141.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-05-27 08:33:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 31 (74.19%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'639 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-vdx6dyd8rs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
rezer0
AgentTesla
CoreEntity .NET Packer
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

zip 34323ddb331fe234555a9e937aa37b956c92e5f78702de33de20ab5b72753c6c

AgentTesla

Executable exe 77a9652b29e432e9a9bdf2698fc841b88153739300f329d39fc8ada898390539

(this sample)

  
Dropped by
MD5 bf872266786dde074273b051162f84ff
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 34323ddb331fe234555a9e937aa37b956c92e5f78702de33de20ab5b72753c6c

Comments