MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5f874ab552bb459e44d4eb8acf8f899f1fc0b815b266ccbf0230dad0ea66222. 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: 11


Intelligence 11 IOCs YARA 26 File information Comments

SHA256 hash: b5f874ab552bb459e44d4eb8acf8f899f1fc0b815b266ccbf0230dad0ea66222
SHA3-384 hash: 2e255161383f0d82ab00ee5d9000486b7757dbc20ed76a89d7dc01b333dfe76bda2001baa037fc668023734113488006
SHA1 hash: 7566c3f7d744d00d131b142b2c9ebf9a2c3574a7
MD5 hash: 1c0b8a1996f7168237eb6f78ccba3894
humanhash: alabama-jig-high-nine
File name:orden de compra.js
Download: download sample
Signature a310Logger
File size:2'851'864 bytes
First seen:2026-04-15 07:57:34 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:GzdEGT/BQjO6AAKzA5pqhwMkyIdbNX6v7efh3R1hOAdgFSNnDdSxISRg42xaczNa:GeGTeaL+QStM6nDqRg1xaUmLVdps8n7
TLSH T191D5021589C42FB9DFAC5A1C90FE161E53F04A8E502A798AEB33BD47BFE790052171D8
Magika javascript
Reporter abuse_ch
Tags:a310logger js

Intelligence


File Origin
# of uploads :
1
# of downloads :
135
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
81.4%
Tags:
vmdetect shell spawn sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm encrypted obfuscated repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-04-14T12:42:00Z UTC
Last seen:
2026-04-17T03:21:00Z UTC
Hits:
~10000
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Signature
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 Powershell decode and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1898511 Sample: orden de compra.js Startdate: 15/04/2026 Architecture: WINDOWS Score: 100 43 shed.dual-low.part-0012.t-0009.t-msedge.net 2->43 45 part-0012.t-0009.t-msedge.net 2->45 47 2 other IPs or domains 2->47 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 6 other signatures 2->63 9 wscript.exe 3 2->9         started        13 svchost.exe 2->13         started        signatures3 process4 dnsIp5 41 C:\Temp\ps_JZ9JUDDUKtjY_1776244681828.ps1, ASCII 9->41 dropped 67 JScript performs obfuscated calls to suspicious functions 9->67 69 Suspicious powershell command line found 9->69 71 Wscript starts Powershell (via cmd or directly) 9->71 73 4 other signatures 9->73 16 powershell.exe 16 9->16         started        51 127.0.0.1 unknown unknown 13->51 file6 signatures7 process8 signatures9 53 Writes to foreign memory regions 16->53 55 Injects a PE file into a foreign processes 16->55 19 aspnet_compiler.exe 16->19         started        22 aspnet_compiler.exe 3 16->22         started        24 aspnet_compiler.exe 16->24         started        26 13 other processes 16->26 process10 signatures11 65 Tries to harvest and steal browser information (history, passwords, etc) 19->65 28 WerFault.exe 3 23 22->28         started        31 WerFault.exe 21 24->31         started        33 WerFault.exe 21 26->33         started        35 WerFault.exe 26->35         started        37 WerFault.exe 26->37         started        39 2 other processes 26->39 process12 dnsIp13 49 part-0012.t-0009.t-msedge.net 13.107.246.40, 443, 49703 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 28->49
Gathering data
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2026-04-14 22:44:12 UTC
File Type:
Text (JavaScript)
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution
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
ConfuserEx .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Malware family:
DarkCloud
Verdict:
Malicious
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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_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:RANSOMWARE
Author:ToroGuitar
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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
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