MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7a21b812eaebf24b601f897d3287979247b6025b1e20841ad8b34ec5d1c6575. 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: f7a21b812eaebf24b601f897d3287979247b6025b1e20841ad8b34ec5d1c6575
SHA3-384 hash: 020ff759c94bce6d266c41036be08c3a19e8262652b3764d0526028a6bc56d779c0d9a50b7aed721329b631a01821150
SHA1 hash: 3d12ea0296aaf3aac869a4bb6c64083f3376fca3
MD5 hash: 01f5e2ccf374183616003723c371ee3b
humanhash: steak-cat-ack-pip
File name:01f5e2ccf374183616003723c371ee3b.exe
Download: download sample
Signature AgentTesla
File size:773'120 bytes
First seen:2020-09-19 09:58:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f01e0f86270b7f3e5d91b31f21985535 (5 x AgentTesla, 2 x Loki, 1 x AveMariaRAT)
ssdeep 12288:ZY2SRgOu9uO2dm4rqoXa3p1QfzHpPNLdn0b+ot25KxfEAfm:ZxSJvObTV37QfzpNhn0Xt25KxfEz
Threatray 9'870 similar samples on MalwareBazaar
TLSH 2CF4BF76B2D0D433C1632E3C8D4B5378E86BBE11392858B6EBE4EF485F39641352A197
Reporter abuse_ch
Tags:AgentTesla exe


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

Intelligence


File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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)
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: 287706 Sample: 08Kh18TV7e.exe Startdate: 19/09/2020 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 ld.exe 2->6         started        9 08Kh18TV7e.exe 2->9         started        11 ld.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 48 3 other signatures 6->48 13 ld.exe 4 6->13         started        42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->44 46 Maps a DLL or memory area into another process 9->46 17 08Kh18TV7e.exe 2 7 9->17         started        20 ld.exe 4 11->20         started        process5 dnsIp6 26 bh-58.webhostbox.net 199.79.63.24, 49722, 49727, 49736 PUBLIC-DOMAIN-REGISTRYUS United States 17->26 22 C:\Users\user\AppData\Local\Temp\ld\ld.exe, PE32 17->22 dropped 24 C:\Users\user\...\ld.exe:Zone.Identifier, ASCII 17->24 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->50 52 Tries to steal Mail credentials (via file access) 17->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->54 56 Tries to harvest and steal ftp login credentials 20->56 58 Tries to harvest and steal browser information (history, passwords, etc) 20->58 file7 signatures8
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2020-09-18 20:25:17 UTC
AV detection:
24 of 29 (82.76%)
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 f7a21b812eaebf24b601f897d3287979247b6025b1e20841ad8b34ec5d1c6575

(this sample)

  
Delivery method
Distributed via web download

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