MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da84ebc8503de1b6c7d4388b75738b72ae8c2a84746bc34d6ca07266b8917ca0. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: da84ebc8503de1b6c7d4388b75738b72ae8c2a84746bc34d6ca07266b8917ca0
SHA3-384 hash: e2a81f646cce2866603ec2bb27cb61d28153eb0b94a905004c90c7b845f6ea06a541bb1efe17f1247f75d74848bb7ece
SHA1 hash: ea4807412f01623143103231afb0cb3c87de4a0e
MD5 hash: d21612c802eab4db6c772f8c8dc1d1df
humanhash: five-hotel-butter-crazy
File name:d21612c802eab4db6c772f8c8dc1d1df.exe
Download: download sample
Signature AgentTesla
File size:970'752 bytes
First seen:2020-09-20 04:00:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a2db9c8d6397be4202b6dff9fc1d53ad (7 x MassLogger, 5 x AgentTesla, 2 x Formbook)
ssdeep 12288:VDb7BqrErn/mxx7E6vMJaxKwWoFJm6y2o/Yc4/P2x1AF3K+LJzK3PbQScFlDVyQg:VFBrny7d7eqq2Z32ym3PB8lDP4
Threatray 9'377 similar samples on MalwareBazaar
TLSH 5225AF23B2A0C837C523257D9C0BDBB8AE2AFE103A18BE466BF5DD485F3954274161D7
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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: 287804 Sample: hwkz077r1z.exe Startdate: 20/09/2020 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 2 other signatures 2->34 6 arinze.exe 2->6         started        9 hwkz077r1z.exe 2->9         started        11 arinze.exe 2->11         started        process3 signatures4 36 Antivirus detection for dropped file 6->36 38 Multi AV Scanner detection for dropped file 6->38 40 Detected unpacking (changes PE section rights) 6->40 50 2 other signatures 6->50 13 arinze.exe 4 6->13         started        42 Detected unpacking (overwrites its own PE header) 9->42 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 17 hwkz077r1z.exe 2 7 9->17         started        48 Maps a DLL or memory area into another process 11->48 20 arinze.exe 11->20         started        process5 dnsIp6 26 bh-58.webhostbox.net 199.79.63.24, 49716, 49720, 49726 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 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.LokiBot
Status:
Malicious
First seen:
2020-09-17 08:26:54 UTC
AV detection:
26 of 29 (89.66%)
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
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 da84ebc8503de1b6c7d4388b75738b72ae8c2a84746bc34d6ca07266b8917ca0

(this sample)

  
Delivery method
Distributed via web download

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