MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc4fbf964b1ea4b01201f4f9fa13345ee834464272d6cdc9814de53e1c4d9e6b. 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


Intelligence 19 IOCs YARA 23 File information Comments

SHA256 hash: fc4fbf964b1ea4b01201f4f9fa13345ee834464272d6cdc9814de53e1c4d9e6b
SHA3-384 hash: 1ea2c1e10050ee118ddc08992e3c97405c468b7fbb76d78dcaeb9fc63cbc9c9b9fa4cb0e82da874e364542f3f85d399e
SHA1 hash: ad0cfb81420cc011dab8b22b8fbf21838961d8af
MD5 hash: 76b073332f2bc4233e24dd9a3031be93
humanhash: tennessee-nitrogen-leopard-princess
File name:SecuriteInfo.com.Trojan.PackedNET.3416.12781.20562
Download: download sample
Signature a310Logger
File size:1'012'232 bytes
First seen:2025-09-25 15:41:49 UTC
Last seen:2025-09-25 16:44:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:DZQVMVJibJcDXrfcYxSCnZ8WBuszAFAJZ:DZQe8Jcjwkp+azACJZ
TLSH T15E25120A135AEA03D4A40FF469B0C3BA57B11E99E52AD3434FEB7CFFB42A7405915386
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter SecuriteInfoCom
Tags:a310logger exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
91
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.PackedNET.3416.12781.20562
Verdict:
Malicious activity
Analysis date:
2025-09-25 15:44:31 UTC
Tags:
auto-sch-xml smtp darkcloud

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
injection spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
invalid-signature obfuscated packed packed packer_detected signed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-25T11:08:00Z UTC
Last seen:
2025-09-25T11:08:00Z UTC
Hits:
~100
Detections:
Trojan-Spy.Agent.SMTP.C&C HEUR:Trojan-Spy.MSIL.Noon.gen Trojan-PSW.Win32.DarkCloud.sb Trojan-Banker.Win32.Express.sb Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Taskun.sb VHO:Trojan-Banker.Win32.Express.gen PDM:Trojan.Win32.Generic Trojan.MSIL.Taskun.sb Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb Trojan.MSIL.Crypt.sb NetTool.PlainTextCredentials.SMTP.C&C
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.51 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2025-09-25 09:13:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
darkcloudstealer unc_loader_037
Similar samples:
Result
Malware family:
darkcloud
Score:
  10/10
Tags:
family:darkcloud discovery execution persistence stealer
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
Unpacked files
SH256 hash:
fc4fbf964b1ea4b01201f4f9fa13345ee834464272d6cdc9814de53e1c4d9e6b
MD5 hash:
76b073332f2bc4233e24dd9a3031be93
SHA1 hash:
ad0cfb81420cc011dab8b22b8fbf21838961d8af
SH256 hash:
44928f3bdf91bfa4a6ab2ca19cf6397e637b24db6a0fba6ff9c984ab9c0e5f25
MD5 hash:
ee2ce3a7bdd3c5267c0ea6501ee67780
SHA1 hash:
49258d000ee316e1e1f53b794f6331dfcba22b69
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
d722f0f4295210989f73d95bc641c59dc1b25d45a06b07ebb6386d520e253444
MD5 hash:
045fa61af943db4e1a125cceec9dfa79
SHA1 hash:
5c95255b24db819332d903b55d01d7c8589bd23e
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:
3a8235adcf5c014204b3c7f9bc74cdc5628617fbca4edfd0a89e61bd368598d3
MD5 hash:
805ed8b902bad1be7788a1f25a33f7c1
SHA1 hash:
d7c02f99910d58990504e561694d74e90fd872c5
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: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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
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:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Web download

a310Logger

Executable exe fc4fbf964b1ea4b01201f4f9fa13345ee834464272d6cdc9814de53e1c4d9e6b

(this sample)

  
Delivery method
Distributed via web download

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