MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b13dab7cb80f46cb45091974bb302a7d977c1318bce8dfe56550331ec53ef0b3. 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: 15


Intelligence 15 IOCs YARA 23 File information Comments

SHA256 hash: b13dab7cb80f46cb45091974bb302a7d977c1318bce8dfe56550331ec53ef0b3
SHA3-384 hash: a71c48e30a5dae164701da9d070917ce6e1ad74ce95ac61e98ed0f3f3d7ed323182d4f9b6114b6a5c0707ea83419c24e
SHA1 hash: e1d6321916100bf0a259984a90d4a755bae11621
MD5 hash: d5c0313909baf19312e29d7177c17afd
humanhash: idaho-yellow-missouri-nuts
File name:b13dab7cb80f46cb45091974bb302a7d977c1318bce8dfe56550331ec53ef0b3
Download: download sample
Signature a310Logger
File size:446'464 bytes
First seen:2026-05-08 12:44:24 UTC
Last seen:2026-06-08 08:52:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 705ef3db1e2829511a2726d69c1c2b16 (22 x a310Logger, 2 x DarkCloud)
ssdeep 6144:EX8d1/w5KA81IJ8GpF6nuTmOOUiBUrj1tr2nfkwnvbtA+ttxGqrryPZjRlDU3:3jYKkJj6GmZUiqrzr2frtxrryPZjf
Threatray 395 similar samples on MalwareBazaar
TLSH T1E5944A13EB60A11EF1A389B0B8B5925A68277D351B98EC4BF3409F1A35715D3ACB131F
TrID 41.5% (.EXE) Win32 Executable Microsoft Visual Basic 6 (82067/2/8)
15.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
13.6% (.EXE) UPX compressed Win32 Executable (27066/9/6)
13.4% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
3.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
dhash icon 1003873d31213f10 (149 x DarkCloud, 132 x GuLoader, 132 x a310Logger)
Reporter adrian__luca
Tags:a310logger exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
69
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-05-08 16:10:34 UTC
Tags:
darkcloud stealer smtp upx

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm darkcloud evasive fingerprint fingerprint hacktool lolbin overlay packed telegram visual_basic wscript
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-08T02:03:00Z UTC
Last seen:
2026-05-09T01:51:00Z UTC
Hits:
~1000
Gathering data
Threat name:
Win32.Trojan.DarkCloud
Status:
Malicious
First seen:
2026-04-09 03:08:00 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
30 of 36 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Behaviour
Suspicious use of SetWindowsHookEx
System Location Discovery: System Language Discovery
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
b13dab7cb80f46cb45091974bb302a7d977c1318bce8dfe56550331ec53ef0b3
MD5 hash:
d5c0313909baf19312e29d7177c17afd
SHA1 hash:
e1d6321916100bf0a259984a90d4a755bae11621
Detections:
darkcloudstealer
SH256 hash:
10d329d21caaa130466427ff625d0bfae6b1f1d26adfefd9f81f8a63f85b88d0
MD5 hash:
8593639303535cbb65d16fdb01b61e5b
SHA1 hash:
5c91fc8aaa38114227fd329bc9159e5eca903f23
SH256 hash:
404a106f0b4a57d9d22746ef37e59c7ba47946836dbe5b0723f7ce20fdcc8857
MD5 hash:
82349cf0adea6e087cfba9f38d4dba02
SHA1 hash:
2c2a13aadbb098950082630d995b71b490c96412
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: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: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