MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0ca81580a2ed80ceb0e7dacabf505540acaee2670736174009477c86f2febaac. 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: 18
| SHA256 hash: | 0ca81580a2ed80ceb0e7dacabf505540acaee2670736174009477c86f2febaac |
|---|---|
| SHA3-384 hash: | ae7ff5b98648a046e8cd725321ba0b5e88130210b18953217cd4d7b0e8b10ce686e9159517c502d450823374b540cd9d |
| SHA1 hash: | ef83e8bc20830ca9a7c54613b9cc8d9fec574fca |
| MD5 hash: | 28e98fe72f49690119bc5c8d9365e6c4 |
| humanhash: | december-rugby-triple-pennsylvania |
| File name: | rfq.copy.exe |
| Download: | download sample |
| Signature | a310Logger |
| File size: | 1'353'728 bytes |
| First seen: | 2025-10-28 07:56:33 UTC |
| Last seen: | 2025-11-06 11:30:52 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1895460fffad9475fda0c84755ecfee1 (338 x Formbook, 84 x AgentTesla, 56 x a310Logger) |
| ssdeep | 24576:v5EmXFtKaL4/oFe5T9yyXYfP1ijXdagZBDqU92MSlQWdOacPK1AFaUivRvzB:vPVt/LZeJbInQRaglJ2xbcPKqa |
| Threatray | 1'038 similar samples on MalwareBazaar |
| TLSH | T12F55CF027381C062FFAB92734F5AF66157BC79260123A62F13981D79BE701B1563E7A3 |
| 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 :
2
# of downloads :
102
Origin country :
CHVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_0ca81580a2ed80ceb0e7dacabf505540acaee2670736174009477c86f2febaac.exe
Verdict:
No threats detected
Analysis date:
2025-10-28 08:01:59 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DarkCloud
Verdict:
Malicious
Score:
91.7%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint keylogger masquerade microsoft_visual_cc packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-28T04:32:00Z UTC
Last seen:
2025-10-30T03:51:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Win32.Stealer.sb Trojan.Win64.Injects.hda Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stelega.sb Trojan.Win32.Strab.sb Trojan-PSW.Win32.DarkCloud.sb Trojan.Win32.Inject.sb Trojan.MSIL.Donut.sb
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 API chain indicative of sandbox detection
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Switches to a custom stack to bypass stack traces
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)
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:
2025-10-28 07:33:37 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
29 of 36 (80.56%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
darkcloudstealer
Similar samples:
+ 1'028 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Score:
10/10
Tags:
family:darkcloud discovery stealer
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
DarkCloud
Darkcloud family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0e1ee7f41b5c42ce9079401d55c6b98157221aeeadec5110a4cd79c2ed78371d
MD5 hash:
4f1dd68c35f83ae79813d6e678b30efa
SHA1 hash:
6926085ff5d07a767b3351f26b6ff8029b46d6fd
Detections:
darkcloudstealer
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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
SH256 hash:
0ca81580a2ed80ceb0e7dacabf505540acaee2670736174009477c86f2febaac
MD5 hash:
28e98fe72f49690119bc5c8d9365e6c4
SHA1 hash:
ef83e8bc20830ca9a7c54613b9cc8d9fec574fca
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: | 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_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: | pe_detect_tls_callbacks |
|---|
| 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 |
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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