MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42c937c4c2597f5d5904d783008121094e63f3e7c452f3286ab3242e923644e3. 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: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: 42c937c4c2597f5d5904d783008121094e63f3e7c452f3286ab3242e923644e3
SHA3-384 hash: 9bd8f6a39f147b080a72bf9eb02fc246818bbb87a1c5ef0c3d49e1c171875f017b7818489d05cc429bd50fd571d03e5f
SHA1 hash: 52f18fd5dabe90936795e0bf9d685c0b8a19b07a
MD5 hash: a642cb35613e8ecae3cad693232e244a
humanhash: september-nuts-lactose-spaghetti
File name:Opskolingskurser.vbs
Download: download sample
Signature AgentTesla
File size:437'479 bytes
First seen:2023-10-10 11:28:14 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6144:bWjei3FpU6y1AhDAGwZ8JX/RwV1iGfTe9hi/+w1KjFc2+UAwoh67g/tem7FF5:weeUV1uxiVrQkK4L7F
Threatray 2 similar samples on MalwareBazaar
TLSH T106946DB1EF98151A0D4B37DADC414C81C5BDC16A5927006AFEDD17CEA10B59CA3BEB0E
Reporter abuse_ch
Tags:AgentTesla vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
101
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Obfuscated command line found
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1322834 Sample: Opskolingskurser.vbs Startdate: 10/10/2023 Architecture: WINDOWS Score: 100 24 novasolo.com 2->24 26 mail.novasolo.com 2->26 28 3 other IPs or domains 2->28 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected GuLoader 2->38 40 Yara detected AgentTesla 2->40 9 wscript.exe 2->9         started        signatures3 process4 signatures5 50 VBScript performs obfuscated calls to suspicious functions 9->50 52 Suspicious powershell command line found 9->52 54 Wscript starts Powershell (via cmd or directly) 9->54 56 2 other signatures 9->56 12 powershell.exe 16 9->12         started        process6 signatures7 58 Suspicious powershell command line found 12->58 60 Obfuscated command line found 12->60 62 Very long command line found 12->62 15 powershell.exe 17 12->15         started        18 conhost.exe 12->18         started        process8 signatures9 64 Writes to foreign memory regions 15->64 66 Maps a DLL or memory area into another process 15->66 68 Found suspicious powershell code related to unpacking or dynamic code loading 15->68 70 Hides threads from debuggers 15->70 20 CasPol.exe 10 15->20         started        process10 dnsIp11 30 novasolo.com 144.208.75.106, 49727, 587 INMOTI-1US United States 20->30 32 drive.google.com 142.250.189.14, 443, 49713, 49717 GOOGLEUS United States 20->32 34 googlehosted.l.googleusercontent.com 142.250.72.129, 443, 49715, 49719 GOOGLEUS United States 20->34 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->44 46 Tries to steal Mail credentials (via file / registry access) 20->46 48 2 other signatures 20->48 signatures12
Threat name:
Win32.Dropper.Generic
Status:
Suspicious
First seen:
2023-10-10 08:53:50 UTC
File Type:
Text (VBS)
AV detection:
1 of 38 (2.63%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Blocklisted process makes network request
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.

Malspam

AgentTesla

Visual Basic Script (vbs) vbs 42c937c4c2597f5d5904d783008121094e63f3e7c452f3286ab3242e923644e3

(this sample)

  
Delivery method
Distributed via e-mail attachment

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