MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b34101cf2f7da895aedf2b9aab7c04d19df4e6e111c81af5ec93db6502f2a9f2. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b34101cf2f7da895aedf2b9aab7c04d19df4e6e111c81af5ec93db6502f2a9f2
SHA3-384 hash: 967dd9c1bee6f15687df3e8a2c6c60cc6e35de5d0359ee8e064f0f77f951ca0c60edf27ba8243e81250b61e055fb579b
SHA1 hash: 43ec33f0c371854e8e23eddb29306a49b53a5c1c
MD5 hash: ee4a13e12934d112d0e6e68560f05d3a
humanhash: georgia-seven-hamper-jig
File name:INQUIRY.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'167'473 bytes
First seen:2020-07-07 09:58:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:6NA3R5drXdtmprDzIfTS8euk/FFr/wL5xykXyCazFQYcaMnY6FKT:z5bmp8fTVo3uxXyZ66wFKT
Threatray 9'322 similar samples on MalwareBazaar
TLSH DC451202B6C740B2E53209354A3AE724A97D7E741F29DE1F73D84D6E8E71181A225FB3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: atl4mhob17.registeredsite.com
Sending IP: 209.17.115.110
From: Sales Executive<moore.erice2018@yandex.com>
Subject: Fwd: RE: Re: Rep: BANK TRANSFER DETAILS
Attachment: INQUIRY.lzh (contains "INQUIRY.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/22201/
Detection(s):
SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b34101cf2f7da895aedf2b9aab7c04d19df4e6e111c81af5ec93db6502f2a9f2/
Threat name:
Win32.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 10:00:10 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wnaqdtzppwujllw7fonkw7ae2go7jzxbchebv5pmspnwkaxsvhza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 9'312 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200707-zmxdk12cee/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run entry to start application
Loads dropped DLL
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Executes dropped EXE
AgentTesla
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 2471415124ebd360a32319ae401fcedbba1f264652085104506d95b47067cf4e

AgentTesla

Executable exe b34101cf2f7da895aedf2b9aab7c04d19df4e6e111c81af5ec93db6502f2a9f2

(this sample)

  
Dropped by
MD5 108d6533401b57d4d38455264e0dba89
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 2471415124ebd360a32319ae401fcedbba1f264652085104506d95b47067cf4e
Cape
Cape
https://www.capesandbox.com/analysis/22201/

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