MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 954c9a92e5e95783711ac9da044757457e9428c0e9f3cb58f03f3acbc2c59c22. 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 4 File information Comments

SHA256 hash: 954c9a92e5e95783711ac9da044757457e9428c0e9f3cb58f03f3acbc2c59c22
SHA3-384 hash: 04a026fd480bb97b9974e406e81aa223c96723d443cf09ee862cd0fc6a81212e6de5ca304478c0f1c6f08507aaa4e13a
SHA1 hash: 2213141bb2131f57dfc65c810b22446688f539c6
MD5 hash: f8c328e0c5442617d3de45b5233cd38e
humanhash: arkansas-cold-minnesota-may
File name:SecuriteInfo.com.Variant.Zusy.311507.28382.27200
Download: download sample
Signature AgentTesla
File size:938'496 bytes
First seen:2020-08-19 13:46:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 977ff697aba4bb52af6b2ae19da040c4 (2 x AgentTesla)
ssdeep 12288:Gx6VUfhCoNrKg+Gh9XzlsizYZMpNQrI6YMFuzqwlRyLprrgo5anZ+5ZpiLzhAC:iWMRN+g1POvZqCI6HF3dbMnY5DimC
Threatray 10'465 similar samples on MalwareBazaar
TLSH 2C158D6EB2A04733D2621E3D9F1B97A49C26BE112F3D69463FE4094C5E3B241393D297
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
67
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 malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Maps a DLL or memory area into another process
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: 271627 Sample: SecuriteInfo.com.Variant.Zu... Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Yara detected AgentTesla 2->30 6 cairo.exe 2->6         started        9 SecuriteInfo.com.Variant.Zusy.311507.28382.exe 2->9         started        11 cairo.exe 2->11         started        process3 signatures4 32 Detected unpacking (changes PE section rights) 6->32 34 Detected unpacking (creates a PE file in dynamic memory) 6->34 36 Detected unpacking (overwrites its own PE header) 6->36 38 Contains functionality to detect sleep reduction / modifications 6->38 13 cairo.exe 4 6->13         started        40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->42 44 Maps a DLL or memory area into another process 9->44 17 SecuriteInfo.com.Variant.Zusy.311507.28382.exe 2 7 9->17         started        20 cairo.exe 4 11->20         started        process5 dnsIp6 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->46 48 Tries to steal Mail credentials (via file access) 13->48 50 Tries to harvest and steal ftp login credentials 13->50 52 Tries to harvest and steal browser information (history, passwords, etc) 13->52 26 bh-58.webhostbox.net 199.79.63.24, 49709, 49712, 49713 PUBLIC-DOMAIN-REGISTRYUS United States 17->26 22 C:\Users\user\AppData\Local\...\cairo.exe, PE32 17->22 dropped 24 C:\Users\user\...\cairo.exe:Zone.Identifier, ASCII 17->24 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->54 file7 signatures8
Threat name:
Win32.Trojan.DelfFareIt
Status:
Malicious
First seen:
2020-08-19 13:48:07 UTC
AV detection:
22 of 48 (45.83%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan 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_g2
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
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 954c9a92e5e95783711ac9da044757457e9428c0e9f3cb58f03f3acbc2c59c22

(this sample)

  
Delivery method
Distributed via web download

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