MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1d0c4b67f70957eb177330c4bac5fb51496f87b7be4e86580673a9e3442ad83. 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: a1d0c4b67f70957eb177330c4bac5fb51496f87b7be4e86580673a9e3442ad83
SHA3-384 hash: 9049234f22baecb56add4859e85f37ac60e56c68a009440e5e642bd1abc16c8d7f53420e647443fa4877da514afa6976
SHA1 hash: 5fb48235453a4e98bde50d9716b11126891a77e7
MD5 hash: 76afd9d30095e38d0ac8b7a7c27e03e6
humanhash: uniform-white-beer-bulldog
File name:purchase order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:409'088 bytes
First seen:2020-06-25 09:13:26 UTC
Last seen:2020-06-25 10:03:45 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:MwooU8eTOEfdw3WVZF3uZ3wiuaN8gdjriHXJ:Mw3WP8Z3wiuo8gxrK
Threatray 10'627 similar samples on MalwareBazaar
TLSH 1594F10F5B929F13EACC21F8761D01B8666587D2C92DF62CC89090D1BE5F93E58FD6A0
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: almoverseas.com
Sending IP: 172.93.189.91
From: purchasing<export@almoverseas.com>
Reply-To: purchasing<s.nsa41@hotmail.com>
Subject: purchase order
Attachment: purchase order.zip (contains "purchase order.exe")

AgentTesla SMTP exfil server:
premium71.web-hosting.com:26

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14091/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.50879.5037.28.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching the process to change network settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Stealing user critical data
Enabling autorun with Startup directory
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a1d0c4b67f70957eb177330c4bac5fb51496f87b7be4e86580673a9e3442ad83/
Gathering data
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uhimjnt7ockx5mlxgmgexlc7wukjn6d3ppsoqzmam45j4nccvwbq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'617 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200625-ftltlcrkvn/
Behaviour
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Modifies service
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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

zip 6791a2fce5025fd09c1278944d7d29480ac4325f0bc57823301ec2006b353dca

AgentTesla

Executable exe a1d0c4b67f70957eb177330c4bac5fb51496f87b7be4e86580673a9e3442ad83

(this sample)

  
Dropped by
MD5 c5aee633f8d833b9aa21233f9f98114d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/14091/
  
Dropped by
SHA256 6791a2fce5025fd09c1278944d7d29480ac4325f0bc57823301ec2006b353dca

Comments