MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 06575f01727b5aa6296492bdbaae78073ee3b3abc8870b6b9027368260bc768e. 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: 06575f01727b5aa6296492bdbaae78073ee3b3abc8870b6b9027368260bc768e
SHA3-384 hash: 760d415fa5b9e40c2b3bccd3ff6dbab5537b2908a6edf5fe1a033f94c21ac853095b7b1cc3cec9fb7373ba8dd0919131
SHA1 hash: 5de7e72a08fd45b42d33e98811b96eac98c5d3fd
MD5 hash: 10454ea8ee324bae31d9acd5a4aeaeb7
humanhash: wyoming-arkansas-vegan-coffee
File name:10454ea8ee324bae31d9acd5a4aeaeb7.exe
Download: download sample
Signature AgentTesla
File size:883'712 bytes
First seen:2020-09-25 09:12:44 UTC
Last seen:2020-09-25 09:57:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2ffff167b7576d146aef8a31e51438df (5 x AgentTesla)
ssdeep 12288:M+0I7770tqOaGtF5/w66UXlCe5LXdR5J4CxeyAmFHKI4aX6ab5Edena9C:MictOGtEoPhhJ4pEz9bgeaw
Threatray 9'682 similar samples on MalwareBazaar
TLSH AD15BFE2F2E15837C173263D9C1F57B49826BE502928A8466BFCFD485F396D1391B283
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
bh-58.webhostbox.net:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
101
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: 289888 Sample: xZqGUdTbDI.exe Startdate: 25/09/2020 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 xZqGUdTbDI.exe 2->6         started        9 arinze.exe 2->9         started        11 arinze.exe 2->11         started        process3 signatures4 38 Detected unpacking (changes PE section rights) 6->38 40 Detected unpacking (overwrites its own PE header) 6->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->42 52 3 other signatures 6->52 13 xZqGUdTbDI.exe 2 7 6->13         started        44 Multi AV Scanner detection for dropped file 9->44 46 Detected unpacking (creates a PE file in dynamic memory) 9->46 48 Machine Learning detection for dropped file 9->48 18 arinze.exe 4 9->18         started        50 Maps a DLL or memory area into another process 11->50 20 arinze.exe 4 11->20         started        process5 dnsIp6 26 bh-58.webhostbox.net 199.79.63.24, 49734, 49740, 49742 PUBLIC-DOMAIN-REGISTRYUS United States 13->26 22 C:\Users\user\AppData\Local\...\arinze.exe, PE32 13->22 dropped 24 C:\Users\user\...\arinze.exe:Zone.Identifier, ASCII 13->24 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->54 56 Tries to steal Mail credentials (via file access) 13->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->58 28 192.168.2.1 unknown unknown 20->28 60 Tries to harvest and steal ftp login credentials 20->60 62 Tries to harvest and steal browser information (history, passwords, etc) 20->62 file7 signatures8
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-09-23 11:57:20 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer persistence spyware trojan family:agenttesla
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
Unpacked files
SH256 hash:
06575f01727b5aa6296492bdbaae78073ee3b3abc8870b6b9027368260bc768e
MD5 hash:
10454ea8ee324bae31d9acd5a4aeaeb7
SHA1 hash:
5de7e72a08fd45b42d33e98811b96eac98c5d3fd
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 06575f01727b5aa6296492bdbaae78073ee3b3abc8870b6b9027368260bc768e

(this sample)

  
Delivery method
Distributed via web download

Comments