MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae386b6cfbca2ad61a9a4d642e99cd9bfaf9cf7fd647c2b420884df5f6692ddd. 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

SHA256 hash: ae386b6cfbca2ad61a9a4d642e99cd9bfaf9cf7fd647c2b420884df5f6692ddd
SHA3-384 hash: 582613f82702b966e88f5539c21cacd980c5efa102659d6cb2d70816b16174f63071133185cc19e773cd27e7a83bfe12
SHA1 hash: 22f40dd3305615b36dfafa346a4c0b7f5dce7c8b
MD5 hash: df2bb8a01bdbe026d4e17211156c84ad
humanhash: helium-fix-glucose-magazine
File name:BILL OD ENTRY_0965447687.exe
Download: download sample
Signature AgentTesla
File size:607'232 bytes
First seen:2020-08-31 09:00:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:V/KRHRgoxQbQO3I7T7x6wAg3rX0+H+sbIy2fXyPBOFiDiDC60hp7o6T+oNZqF4:6HRgBI7h6wZrJHmy2/YB
Threatray 9'589 similar samples on MalwareBazaar
TLSH 12D41226127ECBB2D7F91BF2480DB46593706933689CC7CE69D176835AF67800B26783
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: newtrafic.com.br
Sending IP: 193.142.59.11
From: Fabio Brandao - New Trafic <fabio@newtrafic.com.br>
Reply-To: blessedfam126@gmail.com
Subject: inquires MCSMRPCM6818 / MCSMRMNS6816
Attachment: BILL OD ENTRY_0965447687.rar (contains "BILL OD ENTRY_0965447687.exe")

AgentTesla SMTP exfil server:
mail.cargoford.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279905 Sample: BILL OD ENTRY_0965447687.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 7 other signatures 2->47 6 BILL OD ENTRY_0965447687.exe 1 2->6         started        9 DsWhv.exe 1 2->9         started        12 DsWhv.exe 2->12         started        process3 file4 23 C:\Users\...\BILL OD ENTRY_0965447687.exe.log, ASCII 6->23 dropped 14 BILL OD ENTRY_0965447687.exe 2 5 6->14         started        49 Multi AV Scanner detection for dropped file 9->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->53 19 DsWhv.exe 2 9->19         started        21 DsWhv.exe 2 12->21         started        signatures5 process6 dnsIp7 29 mail.cargoford.com 207.58.177.90, 49727, 49739, 49742 LEASEWEB-USA-WDCUS United States 14->29 25 C:\Users\user\AppData\Roaming\...\DsWhv.exe, PE32 14->25 dropped 27 C:\Users\user\...\DsWhv.exe:Zone.Identifier, ASCII 14->27 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Tries to steal Mail credentials (via file access) 14->33 35 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->35 37 Tries to harvest and steal ftp login credentials 21->37 39 Tries to harvest and steal browser information (history, passwords, etc) 21->39 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-31 02:27:01 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
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.

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
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe ae386b6cfbca2ad61a9a4d642e99cd9bfaf9cf7fd647c2b420884df5f6692ddd

(this sample)

  
Delivery method
Distributed via e-mail attachment

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