MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5554ca93846129bc28fdcbfcd24d49ee67a117498bd6bcd99a498c0c48c41288. 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: 12
| SHA256 hash: | 5554ca93846129bc28fdcbfcd24d49ee67a117498bd6bcd99a498c0c48c41288 |
|---|---|
| SHA3-384 hash: | f30f5e713989a00ec477ffee348b40a41798aea539ff024f45414dfdf1e27bda62028d94a82133f918f14a199ecabe4c |
| SHA1 hash: | 85af1ff03b1c17690bd2c17c12fbf06fd138db5b |
| MD5 hash: | 46d39dc9cf0d4c7772bf22ce04811f76 |
| humanhash: | cola-ten-nuts-finch |
| File name: | Orden de compra_____________________________________.pdf.js |
| Download: | download sample |
| Signature | a310Logger |
| File size: | 233'855 bytes |
| First seen: | 2025-09-02 08:22:56 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 768:xLvTcqZrv0qWY7StEhHDtfXH2Z/zycb/dwoO:x98qWY7StSPC7ysO |
| Threatray | 394 similar samples on MalwareBazaar |
| TLSH | T11434A8649E37A76E787F825B8BE54734D4207B7354560336F5BC83046F378A88E22DA8 |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | a310logger js |
Intelligence
File Origin
# of uploads :
1
# of downloads :
62
Origin country :
SEVendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
obfuscate xtreme virus
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm masquerade powershell
Verdict:
Malicious
Labled as:
VBS/Agent.TKB trojan
Verdict:
Malicious
File Type:
js
First seen:
2025-09-01T15:51:00Z UTC
Last seen:
2025-09-01T15:51:00Z UTC
Hits:
~100
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Creates processes via WMI
Found malware configuration
Injects a PE file into a foreign processes
Javascript file is likely language aware (will only work on specific systems)
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: Base64 Encoded PowerShell Command Detected
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious Parent Double Extension File Execution
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Uses an obfuscated file name to hide its real file extension (double extension)
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 DarkCloud
Yara detected Powershell download and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
32%
Verdict:
Susipicious
File Type:
SCRIPT
Gathering data
Threat name:
Script-WScript.Downloader.AgentTesla
Status:
Malicious
First seen:
2025-09-01 18:46:16 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
3/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
darkcloudstealer
Similar samples:
+ 384 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Score:
10/10
Tags:
family:darkcloud discovery execution spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
Process spawned unexpected child process
Malware Config
Dropper Extraction:
http://107.174.212.72/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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_AllMal_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication |
| Rule name: | darkcloud_stealer |
|---|---|
| Author: | Michelle Khalil |
| Description: | This rule detects unpacked darkcloud malware samples. |
| 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_References_Messaging_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many email and collaboration clients. 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_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
| Rule name: | telegram_bot_api |
|---|---|
| Author: | rectifyq |
| Description: | Detects file containing Telegram Bot API |
| 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.
No further information available
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.