MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d78a408eaf714a3e8d46a3d0a79e61288f20a71c3283e2bb46496227afb047c9. 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



a310Logger


Vendor detections: 9


Intelligence 9 IOCs YARA 22 File information Comments

SHA256 hash: d78a408eaf714a3e8d46a3d0a79e61288f20a71c3283e2bb46496227afb047c9
SHA3-384 hash: 2730c084012b947ac49cebdd690dccdd0798fd56166d03e659d046e43a9feb75cd2936e80262d5ef3c49f78d2d507de1
SHA1 hash: 8849b76f03d0b3c209d0eaae748feeb39a831662
MD5 hash: 6aaed8fef0599c3637b7f96b745aac78
humanhash: echo-six-yankee-tennessee
File name:DHL receipt.js
Download: download sample
Signature a310Logger
File size:5'392'306 bytes
First seen:2026-08-05 08:07:09 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 49152:HANBfRrmIgM3GU1Sq7gCLzaD5PsNAIcpNrnx73mH2IxKymjS1xKI5VnQumNpr:J
TLSH T14946C99163CE6B5A6D11B67C320CC4484F0FD8757583B8C8B0DF4995360F8AB6668FAE
Magika javascript
Reporter abuse_ch
Tags:a310logger DHL js

Intelligence


File Origin
# of uploads :
1
# of downloads :
159
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive masquerade obfuscated powershell repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-08-04T23:39:00Z UTC
Last seen:
2026-08-06T22:55:00Z UTC
Hits:
~100
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Bypasses PowerShell execution policy
Found malware configuration
Injects a PE file into a foreign processes
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected DarkCloud
Yara detected Powershell decode and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1952510 Sample: DHL receipt.js Startdate: 05/08/2026 Architecture: WINDOWS Score: 100 33 showip.net 2->33 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 8 other signatures 2->45 8 wscript.exe 3 2->8         started        signatures3 process4 file5 29 C:\Temp\ps_40YnqvwlfnUR_1785921747787.ps1, ASCII 8->29 dropped 47 Suspicious powershell command line found 8->47 49 Wscript starts Powershell (via cmd or directly) 8->49 51 Bypasses PowerShell execution policy 8->51 53 3 other signatures 8->53 12 powershell.exe 16 8->12         started        15 taskkill.exe 1 8->15         started        signatures6 process7 signatures8 55 Writes to foreign memory regions 12->55 57 Injects a PE file into a foreign processes 12->57 17 aspnet_compiler.exe 33 12->17         started        21 aspnet_compiler.exe 12->21         started        23 conhost.exe 12->23         started        27 4 other processes 12->27 25 conhost.exe 15->25         started        process9 dnsIp10 31 showip.net 162.55.60.2, 443, 49749, 49750 HETZNER-ASDE Germany 17->31 35 Tries to harvest and steal browser information (history, passwords, etc) 17->35 37 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 21->37 signatures11
Gathering data
Threat name:
Script-JS.Trojan.AgentTesla
Status:
Malicious
First seen:
2026-08-05 08:09:40 UTC
File Type:
Text (JavaScript)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
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:Base64_Encoded_Powershell_Directives
Rule name:DarkCloud
Author:YungBinary
Description:https://x.com/YungBinary/status/1971585972912689643
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_A310Logger
Author:ditekSHen
Description:Detects A310Logger
Rule name:MALWARE_Win_DarkCloud
Author:ditekSHen
Description:Detects DarkCloud infostealer
Rule name:ProtectSharewareV11eCompservCMS
Author:malware-lu
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vba
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:telebot_framework
Author:vietdx.mb
Rule name:TelegramAPIMalware_PowerShell_EXE
Author:@polygonben
Description:Hunting for pwsh malware using Telegram for C2
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:UPX
Author:kevoreilly
Description:UPX Unpacker: dump on OEP (original entry point)
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Windows_Trojan_DarkCloud_9905abce
Author:Elastic Security

File information


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

Comments