MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fead88e016935cd8360765dea5ec29ebb70c08f5d6756c329caf9b388d4a98e. 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: 17


Intelligence 17 IOCs YARA 26 File information Comments

SHA256 hash: 4fead88e016935cd8360765dea5ec29ebb70c08f5d6756c329caf9b388d4a98e
SHA3-384 hash: 6c937bc17c4ce4c925f6abe8358be42ea4513c6beb8a00356d117c29d5f4bacfc1c160b416cc3be467c02cfe5e5c27e2
SHA1 hash: 53de5389599204b6f24c6ba807145cafc23c657e
MD5 hash: e3492e3f226937e47adda1c699a6a1ed
humanhash: india-cardinal-comet-spring
File name:937606f11433eea5aa8ee24a7163d6ddc7a8a16747e1346dd26762d2a97fd39e
Download: download sample
Signature a310Logger
File size:1'339'904 bytes
First seen:2026-02-05 15:18:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c1ce208b1192bfcf652c179f34f034d3 (32 x AgentTesla, 22 x Formbook, 5 x a310Logger)
ssdeep 24576:J5EmXFtKaL4/oFe5T9yyXYfP1MAXDzVhYakC1+PuTHl5057mhAMU5dpJ+:JPVt/LZeJbInGizVNq2TEhmLU5
Threatray 1'242 similar samples on MalwareBazaar
TLSH T19155CF0273C1C062FFAB91734F5AF6115BBC79260123A62F13981DBAB9705B1563E7A3
TrID 50.4% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
19.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.5% (.EXE) Win32 Executable (generic) (4504/4/1)
3.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:a310logger exe upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 937606f11433eea5aa8ee24a7163d6ddc7a8a16747e1346dd26762d2a97fd39e
File size (compressed) :833'536 bytes
File size (de-compressed) :1'339'904 bytes
Format:win32/pe
Packed file: 937606f11433eea5aa8ee24a7163d6ddc7a8a16747e1346dd26762d2a97fd39e

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
AutoIt
Details
AutoIt
extracted scripts and files
Malware family:
n/a
ID:
1
File name:
937606f11433eea5aa8ee24a7163d6ddc7a8a16747e1346dd26762d2a97fd39e
Verdict:
Malicious activity
Analysis date:
2026-02-05 17:44:23 UTC
Tags:
auto-startup

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autoit emotet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-15T23:46:00Z UTC
Last seen:
2026-01-18T05:55:00Z UTC
Hits:
~10
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
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)
Yara detected DarkCloud
Yara detected Generic Dropper
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1864090 Sample: 937606f11433eea5aa8ee24a716... Startdate: 05/02/2026 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 7 other signatures 2->37 7 937606f11433eea5aa8ee24a7163d6ddc7a8a16747e1346dd26762d2a97fd39e.exe 4 2->7         started        11 wscript.exe 1 2->11         started        process3 file4 25 C:\Users\user\AppData\Local\...\troopwise.exe, PE32 7->25 dropped 45 Binary is likely a compiled AutoIt script file 7->45 47 Found API chain indicative of sandbox detection 7->47 49 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->49 51 Unusual module load detection (module proxying) 7->51 13 troopwise.exe 2 7->13         started        53 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->53 55 WScript reads language and country specific registry keys (likely country aware script) 11->55 17 troopwise.exe 1 11->17         started        signatures5 process6 file7 27 C:\Users\user\AppData\...\troopwise.vbs, data 13->27 dropped 57 Multi AV Scanner detection for dropped file 13->57 59 Binary is likely a compiled AutoIt script file 13->59 61 Drops VBS files to the startup folder 13->61 63 Switches to a custom stack to bypass stack traces 13->63 19 svchost.exe 43 13->19         started        65 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 17->65 67 Writes to foreign memory regions 17->67 69 Maps a DLL or memory area into another process 17->69 23 svchost.exe 39 17->23         started        signatures8 process9 dnsIp10 29 149.154.166.110 TELEGRAMRU United Kingdom 19->29 39 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 19->39 41 System process connects to network (likely due to code injection or exploit) 23->41 43 Tries to harvest and steal browser information (history, passwords, etc) 23->43 signatures11
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2026-01-16 04:40:56 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
darkcloud
Score:
  10/10
Tags:
family:darkcloud discovery stealer
Behaviour
Suspicious behavior: GetForegroundWindowSpam
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
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
DarkCloud
Darkcloud family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8440824913:AAEKra-VNyC-HzKnLTGW77TGFjZtKwoIhUk/sendMessage?chat_id=7362332542
Unpacked files
SH256 hash:
4fead88e016935cd8360765dea5ec29ebb70c08f5d6756c329caf9b388d4a98e
MD5 hash:
e3492e3f226937e47adda1c699a6a1ed
SHA1 hash:
53de5389599204b6f24c6ba807145cafc23c657e
SH256 hash:
cdf615a95f9bcd9abc5a42413bbd7ca50f01bdb76d6a42d9956e062b273218ed
MD5 hash:
e5bd55bd9d5bfb50786496d36fc2eb61
SHA1 hash:
4e400098d77a20b55f42810218f6edf2db0a8ef3
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.

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: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_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: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: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: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.

a310Logger

Executable exe 4fead88e016935cd8360765dea5ec29ebb70c08f5d6756c329caf9b388d4a98e

(this sample)

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