MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d49a640dbde3258ef60f5e04b847b1cf9d446703f79e07e6c8fa2ca7a87548d. 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

SHA256 hash: 2d49a640dbde3258ef60f5e04b847b1cf9d446703f79e07e6c8fa2ca7a87548d
SHA3-384 hash: 64e4ca0d8bf27c67f6b0edb1e269031a2f87b080feba330cc386493eebe28bc8f5205d9d1a428be7b191462855d5aaf2
SHA1 hash: 7586037d6edeb953d7be020c0d96b04db964fb5a
MD5 hash: 259bc090bc0869af4808e185c8c3996b
humanhash: victor-delta-seventeen-pip
File name:259bc090bc0869af4808e185c8c3996b.exe
Download: download sample
Signature AgentTesla
File size:842'240 bytes
First seen:2020-09-16 17:56:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 63d5d5e1ba3d09d269bbbd87e853a0d7 (7 x MassLogger, 5 x AgentTesla, 1 x NetWire)
ssdeep 12288:w9+UFSbzwd6xyFjH8H1NDNCqovrO4deu2gzW2piGeF2w0HwMGBD3bsJ:u+pbzwIxk4VdoqmdbWw5QMn
Threatray 9'631 similar samples on MalwareBazaar
TLSH 3405BF26E1D04837F1265B79CC0B97B8A815BE80295898763AE5ED4C8F3C791391E1FF
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% 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
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 286547 Sample: OqAo0yWyQf.exe Startdate: 16/09/2020 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected AgentTesla 2->34 36 Machine Learning detection for sample 2->36 6 arinze.exe 2->6         started        9 OqAo0yWyQf.exe 2->9         started        11 arinze.exe 2->11         started        process3 signatures4 38 Multi AV Scanner detection for dropped file 6->38 40 Detected unpacking (changes PE section rights) 6->40 42 Detected unpacking (creates a PE file in dynamic memory) 6->42 50 4 other signatures 6->50 13 arinze.exe 4 6->13         started        44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->46 48 Maps a DLL or memory area into another process 9->48 17 OqAo0yWyQf.exe 2 7 9->17         started        20 arinze.exe 11->20         started        process5 dnsIp6 26 bh-58.webhostbox.net 199.79.63.24, 49712, 49716, 49722 PUBLIC-DOMAIN-REGISTRYUS United States 17->26 22 C:\Users\user\AppData\Local\...\arinze.exe, PE32 17->22 dropped 24 C:\Users\user\...\arinze.exe:Zone.Identifier, ASCII 17->24 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->52 54 Tries to steal Mail credentials (via file access) 17->54 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->56 28 192.168.2.1 unknown unknown 20->28 58 Tries to harvest and steal ftp login credentials 20->58 60 Tries to harvest and steal browser information (history, passwords, etc) 20->60 file7 signatures8
Threat name:
Win32.Trojan.Masslogger
Status:
Malicious
First seen:
2020-09-16 17:57:05 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer trojan spyware family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
UPX packed file
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.

Web download

AgentTesla

Executable exe 2d49a640dbde3258ef60f5e04b847b1cf9d446703f79e07e6c8fa2ca7a87548d

(this sample)

  
Delivery method
Distributed via web download

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