MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83cdf682e572a323b8b907749e44b30cf67a85a3ac0ddb0d0e8867ca5b200b29. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83cdf682e572a323b8b907749e44b30cf67a85a3ac0ddb0d0e8867ca5b200b29
SHA3-384 hash: 53886648dcd2e9970606ea78a11e864d3160bac490c3dd5cd39d2810fb4cef0a683d00be5cc6ade47d0c59921bee8312
SHA1 hash: cdb79b491faccc6938d4d8e0b4dd0ad6c530033f
MD5 hash: b81a279e6634dae3bfa936fe5be3433b
humanhash: crazy-blossom-texas-king
File name:wecumtoday.vbs
Download: download sample
Signature AgentTesla
Create hunting rule
File size:38'185 bytes
First seen:2025-08-19 14:35:08 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:i4S7EGYhgfmZmXObyQlkp7aFNLTvPMQzasbsXoO0gXSsszQGZ2i:iV7OZmXOWn7a7nPpbsXo5gCsSZ2i
TLSH T101031ADB764F62E61C010684A7361403FD7CDB607632B055F96E8A7E0CF19FA86B1A9C
Magika vba
Reporter abuse_ch
Tags:AgentTesla vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
Origin country :
SE SE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/22211/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68a48bd48fd55a79c5293dc0
Tags:
ransomware obfuscate valyria xtreme
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/68a48d651a04f7c6a5c09497/reports/70f98d31-cda0-4017-bf33-f70c58f2a7f7/overview
Verdict:
Malicious
Labled as:
Valyria
Link:
https://www.hybrid-analysis.com/sample/83cdf682e572a323b8b907749e44b30cf67a85a3ac0ddb0d0e8867ca5b200b29
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1760270
Signature
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Creates processes via WMI
Found malware configuration
Found Tor onion address
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
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 PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1760270 Sample: wecumtoday.vbs Startdate: 19/08/2025 Architecture: WINDOWS Score: 100 24 ia601703.us.archive.org 2->24 26 ip-api.com 2->26 28 archive.org 2->28 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 9 other signatures 2->46 8 wscript.exe 2->8         started        11 svchost.exe 1 1 2->11         started        signatures3 process4 dnsIp5 56 Suspicious powershell command line found 8->56 58 Wscript starts Powershell (via cmd or directly) 8->58 60 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->60 62 2 other signatures 8->62 14 powershell.exe 14 15 8->14         started        32 127.0.0.1 unknown unknown 11->32 signatures6 process7 dnsIp8 34 ia601703.us.archive.org 207.241.227.93, 443, 49684 INTERNET-ARCHIVEUS United States 14->34 36 107.175.243.143, 49694, 80 AS-COLOCROSSINGUS United States 14->36 38 archive.org 207.241.224.2, 443, 49683 INTERNET-ARCHIVEUS United States 14->38 64 Found Tor onion address 14->64 66 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->66 68 Writes to foreign memory regions 14->68 70 Injects a PE file into a foreign processes 14->70 18 InstallUtil.exe 15 2 14->18         started        22 conhost.exe 14->22         started        signatures9 process10 dnsIp11 30 ip-api.com 208.95.112.1, 49695, 80 TUT-ASUS United States 18->30 48 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 18->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->50 52 Tries to steal Mail credentials (via file / registry access) 18->52 54 2 other signatures 18->54 signatures12
Score:
31%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/83cdf682e572a323b8b907749e44b30cf67a85a3ac0ddb0d0e8867ca5b200b29
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83cdf682e572a323b8b907749e44b30cf67a85a3ac0ddb0d0e8867ca5b200b29/
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Link:
https://tip.neiki.dev/file/83cdf682e572a323b8b907749e44b30cf67a85a3ac0ddb0d0e8867ca5b200b29
Threat name:
Script-WScript.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-08-16 22:42:27 UTC
File Type:
Text (VBS)
AV detection:
8 of 38 (21.05%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qpg7naxfokrshofza52j4rftbt3hvbndvqg5wdiorbt4uwzabmuq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla defense_evasion discovery execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/250819-r25nyavvbw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Modifies trusted root certificate store through registry
AgentTesla
Agenttesla family
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/83cdf682e572a323b8b907749e44b30cf67a85a3ac0ddb0d0e8867ca5b200b29

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:SUSP_PowerShell_Base64_Decode
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects PowerShell code to decode Base64 data. This can yield many FP
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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 83cdf682e572a323b8b907749e44b30cf67a85a3ac0ddb0d0e8867ca5b200b29

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3606589/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/22211/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments