MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12576f810e5650ce394b5404e4a0dcad18c9251405a4ec095ad2518de37bd342. 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: 10


Intelligence 10 IOCs YARA 23 File information Comments

SHA256 hash: 12576f810e5650ce394b5404e4a0dcad18c9251405a4ec095ad2518de37bd342
SHA3-384 hash: 89a1ae8b617426f49790c5c8b26ff3c5c12db5c7d44134a21bf4e5630e86830275d599583a9295769ba3b1285eafb3a1
SHA1 hash: e3d0284e7a5069e0ad67a3f20082cdf3b26c78f7
MD5 hash: 020c8136e438e91ced1b8a0cec225c7d
humanhash: july-blossom-one-high
File name:020c8136e438e91ced1b8a0cec225c7d.js
Download: download sample
Signature a310Logger
File size:2'355'167 bytes
First seen:2026-03-18 09:45:24 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:kG/b555555555555555555555555rFCoFhP55Say0FKu53mNyfHicIj0XUkA8cRD:0wVnlcVdYo
TLSH T1CDB5BF25EA902B79DF592E1D08FF4D193BA31A763349AF4EE25F1C285BC3648B21DC11
Magika javascript
Reporter abuse_ch
Tags:a310logger js

Intelligence


File Origin
# of uploads :
1
# of downloads :
112
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 encrypted obfuscated repaired
Result
Gathering data
Verdict:
Malicious
File Type:
js
Detections:
Trojan-PSW.Win32.Stelega.sb Trojan.PowerShell.Cobalt.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic Trojan.Win32.InjectorNetT.s Trojan-PSW.Win32.DarkCloud.sb HEUR:Trojan-Downloader.Script.Generic Trojan-Spy.Agent.SMTP.C&C PDM:Trojan.Win32.Generic NetTool.PlainTextCredentials.SMTP.C&C
Result
Threat name:
DarkCloud, MATRIX Crypter
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected malicious Powershell script
Bypasses PowerShell execution policy
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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 MATRIX Crypter
Yara detected Powershell decode and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1885499 Sample: 3dJ4j9zOKk.js Startdate: 18/03/2026 Architecture: WINDOWS Score: 100 46 shed.dual-low.part-0012.t-0009.t-msedge.net 2->46 48 part-0012.t-0009.t-msedge.net 2->48 50 2 other IPs or domains 2->50 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 8 other signatures 2->62 9 wscript.exe 3 2->9         started        signatures3 process4 file5 44 C:\Temp\ps_blQ0inRaTCWy_1773830430737.ps1, ASCII 9->44 dropped 64 JScript performs obfuscated calls to suspicious functions 9->64 66 Suspicious powershell command line found 9->66 68 Wscript starts Powershell (via cmd or directly) 9->68 70 4 other signatures 9->70 13 powershell.exe 16 9->13         started        16 taskkill.exe 9->16         started        signatures6 process7 signatures8 72 Writes to foreign memory regions 13->72 74 Injects a PE file into a foreign processes 13->74 18 aspnet_compiler.exe 13->18         started        21 aspnet_compiler.exe 3 13->21         started        23 aspnet_compiler.exe 13->23         started        27 12 other processes 13->27 25 conhost.exe 16->25         started        process9 signatures10 54 Tries to harvest and steal browser information (history, passwords, etc) 18->54 29 WerFault.exe 18->29         started        31 WerFault.exe 3 23 21->31         started        34 WerFault.exe 21 23->34         started        36 WerFault.exe 21 27->36         started        38 WerFault.exe 21 27->38         started        40 WerFault.exe 27->40         started        42 2 other processes 27->42 process11 dnsIp12 52 part-0012.t-0009.t-msedge.net 13.107.246.40, 443, 49746 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 31->52
Gathering data
Result
Malware family:
darkcloud
Score:
  10/10
Tags:
family:darkcloud defense_evasion discovery execution stealer
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
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: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: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_CC_Regex
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. 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:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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: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