MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6ef554485f41737fa531b9e3cd60c27ed677d1ac4c479e093b312c5dfd45a6e. 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 File information Comments

SHA256 hash: a6ef554485f41737fa531b9e3cd60c27ed677d1ac4c479e093b312c5dfd45a6e
SHA3-384 hash: dc5d1240231cab8ea1ed2f7f093469841311750d729dc2cbc427af5054738a38893550e6c86d1d2e47c203c395b0d66f
SHA1 hash: d56739cd5f9c3c225ebcd38e20d441d1376cf22a
MD5 hash: 5094e3280f7ed666d18eb0147d7eb956
humanhash: arkansas-victor-lactose-six
File name:nogoforget.vbs
Download: download sample
Signature AgentTesla
File size:191'152 bytes
First seen:2023-09-05 12:34:04 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:b3yk5n5oCYOpmL3uXGpQbrStqm/xds8LWo4mMiUtmJKZZH6ZzLZbpneXsH4GG:b32CYOpmL3uXGpQbrStqm/xdsxmJrpnG
Threatray 5'471 similar samples on MalwareBazaar
TLSH T1BA14A00226FF424CF2B37F125AB9A5750A77BAA68935C65D151C424DCBA3B04CE63B33
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter JAMESWT_WT
Tags:AgentTesla chi28--awelleh3-top vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
101
Origin country :
IT IT
Vendor Threat Intelligence
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell download and load assembly
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1303522 Sample: nogoforget.vbs Startdate: 05/09/2023 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus detection for URL or domain 2->33 35 4 other signatures 2->35 8 wscript.exe 1 2->8         started        process3 signatures4 43 VBScript performs obfuscated calls to suspicious functions 8->43 45 Suspicious powershell command line found 8->45 47 Wscript starts Powershell (via cmd or directly) 8->47 49 2 other signatures 8->49 11 powershell.exe 7 8->11         started        process5 signatures6 51 Suspicious powershell command line found 11->51 53 Found suspicious powershell code related to unpacking or dynamic code loading 11->53 14 powershell.exe 14 14 11->14         started        18 conhost.exe 11->18         started        process7 dnsIp8 25 uploaddeimagens.com.br 104.21.45.138, 443, 49708 CLOUDFLARENETUS United States 14->25 27 94.156.253.247, 49709, 80 TECHNOFY-ASBG Bulgaria 14->27 55 Writes to foreign memory regions 14->55 57 Injects a PE file into a foreign processes 14->57 20 RegAsm.exe 2 14->20         started        23 RegAsm.exe 14->23         started        signatures9 process10 signatures11 37 Tries to steal Mail credentials (via file / registry access) 20->37 39 Tries to harvest and steal browser information (history, passwords, etc) 20->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->41
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Blocklisted process makes network request
AgentTesla
Malware Config
Dropper Extraction:
https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855
Malware family:
AgentTesla.v4
Verdict:
Malicious
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

Visual Basic Script (vbs) vbs a6ef554485f41737fa531b9e3cd60c27ed677d1ac4c479e093b312c5dfd45a6e

(this sample)

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