MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b85e80e717ed9a5901bcaed1db1f0bca254efb93c024670046bf5abc669d833. 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: 0b85e80e717ed9a5901bcaed1db1f0bca254efb93c024670046bf5abc669d833
SHA3-384 hash: 6c78761a3a24a587843086a4d66247f467f715268f8ee5d2f188ec5e37ccced2f94c6c8d3c8fc7de3cfc6a3c5d2a6f62
SHA1 hash: 342020d38ff8e233fa31ac06dbf6f8ee393d3bb4
MD5 hash: 57891ee94b88b26cd0c764e93893c2a0
humanhash: bulldog-four-oscar-lake
File name:Item_list_RFQ#7292020_PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:772'096 bytes
First seen:2020-07-30 07:35:16 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:pApHqIKPv/PwRl8Os1spR+K4+zQNYUAh5Tebs82xLGAP3+46sYgJY:p0HqI8nYRl8OxObhYPubGX3J
Threatray 10'752 similar samples on MalwareBazaar
TLSH 00F4CF047B90E50EC36B8F7ACAD45814EDB8E5968B1BE387748127EF18CE36EA901571
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: themineralmerchants.com
Sending IP: 209.58.149.66
From: Kafa Trading Gmbh <info@themineralmerchants.com>
Subject: QUOTATION REQUEST
Attachment: Item_list_RFQ7292020_PDF.gz (contains "Item_list_RFQ#7292020_PDF.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/35372/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/403308
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
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: 253886 Sample: Item_list_RFQ#7292020_PDF.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 28 g.msn.com 2->28 30 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->30 36 Found malware configuration 2->36 38 Sigma detected: Scheduled temp file as task from temp location 2->38 40 Yara detected AgentTesla 2->40 42 6 other signatures 2->42 8 Item_list_RFQ#7292020_PDF.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\Temp\tmpF10.tmp, XML 8->22 dropped 24 C:\...\&startupname&.exe:Zone.Identifier, ASCII 8->24 dropped 26 C:\...\Item_list_RFQ#7292020_PDF.exe.log, ASCII 8->26 dropped 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->46 48 Injects a PE file into a foreign processes 8->48 50 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->50 12 Item_list_RFQ#7292020_PDF.exe 4 8->12         started        16 schtasks.exe 1 8->16         started        signatures6 process7 dnsIp8 32 smtp.yandex.ru 77.88.21.158, 49728, 587 YANDEXRU Russian Federation 12->32 34 smtp.yandex.com 12->34 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->52 54 Tries to steal Mail credentials (via file access) 12->54 56 Tries to harvest and steal ftp login credentials 12->56 58 Tries to harvest and steal browser information (history, passwords, etc) 12->58 18 conhost.exe 16->18         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0b85e80e717ed9a5901bcaed1db1f0bca254efb93c024670046bf5abc669d833/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-30 02:37:19 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=boc6qdtrp3m2lea3zlwr3mpqxsrfj35zhqbem4aenp22xrtj3azq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'742 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200730-e5jaxwmw5x/
Behaviour
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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.
Threat name:
Farheyt
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/0b85e80e717ed9a5901bcaed1db1f0bca254efb93c024670046bf5abc669d833

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

gz a060000826711e3815c9c54e3b2e2a2ff203bb5da692ffcc89813ef399f8886b

AgentTesla

Executable exe 0b85e80e717ed9a5901bcaed1db1f0bca254efb93c024670046bf5abc669d833

(this sample)

  
Dropped by
MD5 4790bc05c06a58d9b5a5868438296e3a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/35372/
  
Dropped by
SHA256 a060000826711e3815c9c54e3b2e2a2ff203bb5da692ffcc89813ef399f8886b

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