MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a57f0775c8de97d1592ffb63b65488c5f2470bc274f5fcfadbabf734f51f4c4a. 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: 19
| SHA256 hash: | a57f0775c8de97d1592ffb63b65488c5f2470bc274f5fcfadbabf734f51f4c4a |
|---|---|
| SHA3-384 hash: | f5647f9c0b39950bd1fc0756880b39066352856519c3a1d8e7f05ef853b3505e007147fcc16e497f24081786b7b32082 |
| SHA1 hash: | 979af52c57a4bc22da1e98f5ce0681368f672fb3 |
| MD5 hash: | 3b4a6119440136a1b3f286e815189ae8 |
| humanhash: | wisconsin-failed-xray-hotel |
| File name: | Pre Alert MEDUAY500301.exe |
| Download: | download sample |
| Signature | a310Logger |
| File size: | 1'321'472 bytes |
| First seen: | 2025-11-07 02:32:43 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 91d07a5e22681e70764519ae943a5883 (120 x Formbook, 32 x a310Logger, 27 x AgentTesla) |
| ssdeep | 24576:Rtb20pkaCqT5TBWgNQ7ap1p6EMdxSieQaEKR8HQBd6A:iVg5tQ7ap1p6VWsHs5 |
| TLSH | T17555D02273DE8364C3725273BA65B701BEBF7C2506A1F96B2FD4093DB920122525E673 |
| TrID | 40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| Reporter |  threatcat_ch |
| Tags: | a310logger exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
140
Origin country :
CHVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Pre Alert MEDUAY500301.exe
Verdict:
Malicious activity
Analysis date:
2025-11-07 02:35:24 UTC
Tags:
autoit darkcloud crypto-regex ims-api generic upx
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DarkCloud
Detection(s):
Verdict:
Malicious
Score:
92.5%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Stealing user critical data
Setting a single autorun event
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Injector.Autoit.DR
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-06T20:46:00Z UTC
Last seen:
2025-11-08T11:50:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Inject.sb Trojan-Dropper.Win32.Injector.sb Trojan.Win64.Injects.hjm Trojan.Win32.Strab.sb Trojan.MSIL.Donut.sb Trojan-PSW.Win32.Stealer.sb Trojan-Banker.Win32.Express.sb Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Backdoor.Win32.Androm Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.DarkCloud.sb HackTool.ReconScan.TCP.ServerRequest
Verdict:
Unknown
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected DarkCloud
Yara detected Generic Dropper
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.DARKCLOUD
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-11-07 01:28:12 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
29 of 38 (76.32%)
Threat level:
5/5
Detection(s):
Malicious file
Result
Malware family:
darkcloud
Score:
10/10
Tags:
family:darkcloud discovery persistence stealer
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
DarkCloud
Darkcloud family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8443786555:AAGbAxxjEaVigjnHvSN-PLE5M8FOkrgh53s/sendMessage?chat_id=5366689155
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a57f0775c8de97d1592ffb63b65488c5f2470bc274f5fcfadbabf734f51f4c4a
MD5 hash:
3b4a6119440136a1b3f286e815189ae8
SHA1 hash:
979af52c57a4bc22da1e98f5ce0681368f672fb3
SH256 hash:
976a7fb543a18ea029bd3dec1783f219e99f16ec49a2dd74130d99b77cc90e84
MD5 hash:
e2f25001f09241d630abdbcee5cacfaf
SHA1 hash:
32923b8cd544b24bd19d77a0c818db225095ce34
Detections:
darkcloudstealer
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
INDICATOR_SUSPICIOUS_EXE_CC_Regex
MALWARE_Win_A310Logger
MALWARE_Win_DarkCloud
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Malware family:
DarkCloud
Verdict:
Malicious
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: | AutoIT_Compiled |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious. |
| 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: | 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_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: | 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: | TH_Generic_MassHunt_Win_Malware_2025_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Windows malware mass-hunt rule - 2025 |
| Reference: | https://cyfare.net/ |
| Rule name: | UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser |
|---|---|
| Author: | malware-lu |
| Rule name: | Windows_Trojan_DarkCloud_9905abce |
|---|---|
| Author: | Elastic Security |
| Rule name: | YahLover |
|---|---|
| Author: | Kevin Falcoz |
| Description: | YahLover |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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