MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9bdaa1fcc1ff472dd41dadc7e01f9fa8d21adbb34a0576debe64e1ed7bec7e7e. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9bdaa1fcc1ff472dd41dadc7e01f9fa8d21adbb34a0576debe64e1ed7bec7e7e
SHA3-384 hash: 99865ea724d0daf890038d8841d52d08a1388015996f9faf998b5b7a7e3e089238897a58750d3299eac9cb10d96920e7
SHA1 hash: ca2f2ef3d2ae79d2b73c422e488d2f7b5f23b882
MD5 hash: 591f55b3dc301559764ef7faffe3a3b1
humanhash: fix-johnny-five-failed
File name:PO 8182020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:617'472 bytes
First seen:2020-08-19 12:29:06 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:MWz3Szk2mxc1kMwQaqzLStuV+N+71cwiKrJShbTVPE85X3lIuW4t:nLxZt9ts+N+IK8G8ku
Threatray 10'359 similar samples on MalwareBazaar
TLSH A6D412D51BC19739D37D2BBE8912305243F2E6C1932EDA6CFFC8E5E916A0E448A17931
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.makeitfunny.ro
Sending IP: 91.206.161.135
From: Matei <matei@makeitfunny.ro>
Reply-To: matei <obe.sales@hotmail.com>
Subject: Re: Nuevo orden
Attachment: 1-OR9S7H.rar (contains "PO 8182020.exe")

AgentTesla SMTP exfil server:
mail.rgs-eg.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/48499/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/437930
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 271456 Sample: PO 8182020.exe Startdate: 20/08/2020 Architecture: WINDOWS Score: 88 28 Sigma detected: Scheduled temp file as task from temp location 2->28 30 Yara detected AgentTesla 2->30 32 Yara detected AntiVM_3 2->32 34 6 other signatures 2->34 7 PO 8182020.exe 7 2->7         started        process3 file4 20 C:\Users\user\AppData\Roaming\lHnWnzj.exe, PE32 7->20 dropped 22 C:\Users\user\...\lHnWnzj.exe:Zone.Identifier, ASCII 7->22 dropped 24 C:\Users\user\AppData\Local\...\tmp1272.tmp, XML 7->24 dropped 26 C:\Users\user\AppData\...\PO 8182020.exe.log, ASCII 7->26 dropped 10 schtasks.exe 1 7->10         started        12 PO 8182020.exe 7->12         started        14 PO 8182020.exe 7->14         started        16 3 other processes 7->16 process5 process6 18 conhost.exe 10->18         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9bdaa1fcc1ff472dd41dadc7e01f9fa8d21adbb34a0576debe64e1ed7bec7e7e/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-08-19 01:29:45 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tpnkd7gb75ds3va5vxd6ah47vdjbvw5tjicxnxv6mtq6267mpz7a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'349 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200819-fkzgbf4wjj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9bdaa1fcc1ff472dd41dadc7e01f9fa8d21adbb34a0576debe64e1ed7bec7e7e

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 b87d4028ac6d7388ee38b80077abf8ffa7a76880f4394010754a5e2c3fd22130

AgentTesla

Executable exe 9bdaa1fcc1ff472dd41dadc7e01f9fa8d21adbb34a0576debe64e1ed7bec7e7e

(this sample)

  
Dropped by
MD5 f31f04b9421435fe951eeb5e68eab569
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b87d4028ac6d7388ee38b80077abf8ffa7a76880f4394010754a5e2c3fd22130
Cape
Cape
https://www.capesandbox.com/analysis/48499/

Comments