MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ace13ea91164ad1af7e08b21e1f88045238aea4a71236286f5906ed61cd0e389. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: ace13ea91164ad1af7e08b21e1f88045238aea4a71236286f5906ed61cd0e389
SHA3-384 hash: 9582f006ae4f561b296919e0ec47fc8bea817e7383eb0d05935a0397111d4c06ec5dfed59237c41236ea509c5d2c0201
SHA1 hash: 26b68cd35008b2d78f969b98a8cccd051db67774
MD5 hash: f3e66df83736cb4d0fb7cb9f195ff895
humanhash: blue-idaho-salami-lithium
File name:Deutsche Bank#31.01.2024.vbs
Download: download sample
Signature AgentTesla
File size:803'651 bytes
First seen:2024-01-31 15:44:25 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12288:hs6EE+GHfRilQGoypup1APbR3lPyEWRX4HZQKPJ4aM/bXdrshvlGPO0LDb:hNeG4/up2PbRVKlRifPJWXd2tGPjf
TLSH T1C905023764D37DD16F3B5FC0B18535676EA4B66B82A0C60DF5841C8C20FA6A0DFAA5E0
Reporter abuse_ch
Tags:AgentTesla vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
108
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dropper masquerade obfuscated packed stealer
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Benign windows process drops PE files
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to log keystrokes (.Net Source)
Drops PE files with benign system names
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (has network functionality)
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: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Sigma detected: WScript or CScript Dropper
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 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
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1384205 Sample: Deutsche_Bank#31.01.2024.vbs Startdate: 31/01/2024 Architecture: WINDOWS Score: 100 53 mail.btex-bdqc.com 2->53 55 sayhellotomalware.shop 2->55 57 3 other IPs or domains 2->57 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for URL or domain 2->71 73 10 other signatures 2->73 10 wscript.exe 2 2->10         started        14 svchost.exe 2->14         started        16 svchost.exe 2->16         started        18 5 other processes 2->18 signatures3 process4 dnsIp5 51 C:\Users\user\AppData\Local\Temp\x.exe, PE32 10->51 dropped 97 Benign windows process drops PE files 10->97 99 VBScript performs obfuscated calls to suspicious functions 10->99 101 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->101 21 x.exe 16 6 10->21         started        103 Writes to foreign memory regions 14->103 105 Injects a PE file into a foreign processes 14->105 26 CasPol.exe 14->26         started        28 CasPol.exe 16->28         started        59 127.0.0.1 unknown unknown 18->59 107 Changes security center settings (notifications, updates, antivirus, firewall) 18->107 30 MpCmdRun.exe 18->30         started        file6 signatures7 process8 dnsIp9 61 sayhellotomalware.shop 104.21.50.164, 443, 49707, 49711 CLOUDFLARENETUS United States 21->61 47 C:\Users\user\AppData\Roaming\svchost.exe, PE32 21->47 dropped 49 C:\Users\user\AppData\...\tmpB074.tmp.bat, DOS 21->49 dropped 83 Multi AV Scanner detection for dropped file 21->83 85 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 21->85 87 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 21->87 89 Drops PE files with benign system names 21->89 32 cmd.exe 1 21->32         started        91 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->91 93 Tries to steal Mail credentials (via file / registry access) 26->93 95 Tries to harvest and steal browser information (history, passwords, etc) 26->95 34 conhost.exe 30->34         started        file10 signatures11 process12 process13 36 svchost.exe 14 3 32->36         started        39 conhost.exe 32->39         started        41 timeout.exe 1 32->41         started        signatures14 75 Multi AV Scanner detection for dropped file 36->75 77 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 36->77 79 Writes to foreign memory regions 36->79 81 Injects a PE file into a foreign processes 36->81 43 CasPol.exe 14 4 36->43         started        process15 dnsIp16 63 api4.ipify.org 64.185.227.156, 443, 49712, 49719 WEBNXUS United States 43->63 65 btex-bdqc.com 67.43.13.195, 49713, 49720, 49723 LIQUIDWEBUS United States 43->65 109 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 43->109 111 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 43->111 113 Tries to steal Mail credentials (via file / registry access) 43->113 signatures17
Threat name:
Script-WScript.Trojan.Valyria
Status:
Malicious
First seen:
2024-01-31 14:58:40 UTC
File Type:
Text (VBS)
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address

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 ace13ea91164ad1af7e08b21e1f88045238aea4a71236286f5906ed61cd0e389

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments