MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d90a8e00ec4584afea6eb7cd6cf5d0b09eb118ecea200f1ab30e4251a8b9855. 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 File information Comments

SHA256 hash: 4d90a8e00ec4584afea6eb7cd6cf5d0b09eb118ecea200f1ab30e4251a8b9855
SHA3-384 hash: bda8435f33470479061396c95474dad3dd547b4b53add5dbc23656689e8bdfe59fcac923fde0ad0bcce5e6870a66a995
SHA1 hash: 2d7b02d700a39d57bf723178a01046190b2d9590
MD5 hash: b28849efda388036dbab9b953d3d1d18
humanhash: fourteen-magnesium-timing-apart
File name:SecuriteInfo.com.Generic.mg.b28849efda388036.19531
Download: download sample
Signature AgentTesla
File size:277'696 bytes
First seen:2020-08-25 15:05:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:M5y0w6B19D12a/lztyWEfmlYWKyDB1qv6wpehpMYt9oqSn7bWNL/cZjWYBQ6E6g0:EjhCiuLGj4
Threatray 9'279 similar samples on MalwareBazaar
TLSH FE44DC0A61447507C2AE733655AAECD927B890F70362840EFD842F1CDE916FA6939DCF
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Launching a process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Reading critical registry keys
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.evad
Score:
96 / 100
Signature
Connects to a pastebin service (likely for C&C)
Creates an undocumented autostart registry key
Disables Windows Defender (via service or powershell)
Drops PE files to the startup folder
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 277053 Sample: SecuriteInfo.com.Generic.mg... Startdate: 25/08/2020 Architecture: WINDOWS Score: 96 55 Multi AV Scanner detection for dropped file 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Yara detected AgentTesla 2->59 61 4 other signatures 2->61 8 SecuriteInfo.com.Generic.mg.b28849efda388036.exe 18 6 2->8         started        13 SecuriteInfo.com.Generic.mg.b28849efda388036.exe 2->13         started        15 SecuriteInfo.com.Generic.mg.b28849efda388036.exe 2->15         started        17 SecuriteInfo.com.Generic.mg.b28849efda388036.exe 2->17         started        process3 dnsIp4 49 hastebin.com 104.24.126.89, 443, 49710 CLOUDFLARENETUS United States 8->49 43 SecuriteInfo.com.G...28849efda388036.exe, PE32 8->43 dropped 45 SecuriteInfo.com.G...exe:Zone.Identifier, ASCII 8->45 dropped 47 SecuriteInfo.com.G...9efda388036.exe.log, ASCII 8->47 dropped 63 Creates an undocumented autostart registry key 8->63 65 Drops PE files to the startup folder 8->65 67 Writes to foreign memory regions 8->67 69 2 other signatures 8->69 19 powershell.exe 23 8->19         started        21 powershell.exe 25 8->21         started        23 powershell.exe 8->23         started        25 12 other processes 8->25 51 104.24.127.89, 443, 49713, 49714 CLOUDFLARENETUS United States 13->51 53 192.168.2.1 unknown unknown 15->53 file5 signatures6 process7 process8 27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        35 conhost.exe 25->35         started        37 conhost.exe 25->37         started        39 7 other processes 25->39 process9 41 conhost.exe 27->41         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-25 11:55:28 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer evasion trojan spyware family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Windows security modification
AgentTesla Payload
AgentTesla
Modifies WinLogon for persistence
Modifies Windows Defender Real-time Protection settings
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe 4d90a8e00ec4584afea6eb7cd6cf5d0b09eb118ecea200f1ab30e4251a8b9855

(this sample)

  
Delivery method
Distributed via web download

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