MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2975702f9c3eafc8e8c2f42cdfeaf4252377bf1566e5a572d3f2c94d5008c1f. 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: d2975702f9c3eafc8e8c2f42cdfeaf4252377bf1566e5a572d3f2c94d5008c1f
SHA3-384 hash: 8c2d566d37f133957afa723fefdd1296de9f2479240c6f4d431a680c6d7999f270ad76a7ccadbef9e491a6f59487e2c6
SHA1 hash: 6cc9609476da4a0b941eb48c9ed4902c4d89fb07
MD5 hash: bd2b5272f01678e8ae7ae8819e9456fc
humanhash: eighteen-pluto-ten-vermont
File name:oYhEAIrrrubnacp.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:801'280 bytes
First seen:2020-07-31 06:20:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'653 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:AzSTKC1GS+OLS4uuyga/iak5Jwm07MFCOprZI/E98gzNOEoedjWofiyed2:AzSTKC1wBjuyg1ak5J80hy/EKgDDdK
Threatray 10'783 similar samples on MalwareBazaar
TLSH 6605BF6CA4C84589F82139382DBE26DBE9E9EC2BC680976700993F5BF23355594D3F31
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mailserver.aerospeedgroup.com
Sending IP: 103.30.245.46
From: Sales <winda@trimgairlines.com>
Subject: New order
Attachment: Order310720a.xlsm

AgentTesla payload URL:
https://bozlarenerji.com/wp-content/themes/busify/bbb/oYhEAIrrrubnacp.exe

AgentTesla SMTP exfil server:
mail.memorybasket.co.in:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/35823/
Detection(s):
SecuriteInfo.com.Generic.mg.bd2b5272f01678e8.19104.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/404555
Signature
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
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 dnsIp2 2 Behavior Graph ID: 254507 Sample: oYhEAIrrrubnacp.exe Startdate: 31/07/2020 Architecture: WINDOWS Score: 100 28 g.msn.com 2->28 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Found malware configuration 2->34 36 Sigma detected: Scheduled temp file as task from temp location 2->36 38 6 other signatures 2->38 8 oYhEAIrrrubnacp.exe 7 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->20 dropped 22 C:\Users\user\AppData\Local\...\tmp1149.tmp, XML 8->22 dropped 24 C:\...\&startupname&.exe:Zone.Identifier, ASCII 8->24 dropped 26 C:\Users\user\...\oYhEAIrrrubnacp.exe.log, ASCII 8->26 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->42 44 Injects a PE file into a foreign processes 8->44 12 oYhEAIrrrubnacp.exe 2 8->12         started        16 schtasks.exe 1 8->16         started        signatures6 process7 dnsIp8 30 mail.memorybasket.co.in 148.66.136.55, 49739, 587 AS-26496-GO-DADDY-COM-LLCUS Singapore 12->30 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->46 48 Tries to steal Mail credentials (via file access) 12->48 50 Tries to harvest and steal ftp login credentials 12->50 52 2 other signatures 12->52 18 conhost.exe 16->18         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d2975702f9c3eafc8e8c2f42cdfeaf4252377bf1566e5a572d3f2c94d5008c1f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-31 06:22:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2klvoaxzypvpzdumf5bm37vpijjdo67rkzxfuvznh4wjjviarqpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'773 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200731-k2hg79nqe2/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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/d2975702f9c3eafc8e8c2f42cdfeaf4252377bf1566e5a572d3f2c94d5008c1f

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

Excel file xlsm 4f5efd3d38b251899edd281002f0968e55b75849895beb36993f56564899dc84

AgentTesla

Executable exe d2975702f9c3eafc8e8c2f42cdfeaf4252377bf1566e5a572d3f2c94d5008c1f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/422567/
  
Dropped by
MD5 9821083b9af3c73dbe453a17b477e423
  
Dropped by
SHA256 4f5efd3d38b251899edd281002f0968e55b75849895beb36993f56564899dc84
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/35823/

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