MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8fca85b5837e1c55ae7e06d68bb2d29b05c6b149d4eec1e3cfff8aec32ff7c1. 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 33 File information Comments

SHA256 hash:	a8fca85b5837e1c55ae7e06d68bb2d29b05c6b149d4eec1e3cfff8aec32ff7c1
SHA3-384 hash:	e37af206b7f7dd6accd29d66965b933ed3c6fdd4d882820c23902572bb000c2531f0c7e60895870fe602f8a861d983fd
SHA1 hash:	a89dfc3688d6f074ce54a6a88a3d1b6db406fcda
MD5 hash:	3d66bbe9035e1a5348f742af04cbfbe4
humanhash:	vermont-uniform-potato-freddie
File name:	a8fca85b5837e1c55ae7e06d68bb2d29b05c6b149d4eec1e3cfff8aec32ff7c1
Download:	download sample
Signature	a310Logger Create hunting rule
File size:	466'944 bytes
First seen:	2026-10-19 07:56:47 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	63188fba16188090cd2f35054eb46278 (10 x a310Logger)
ssdeep	6144:i8d1/w5KA81IJ8GpF6nuTmOOUiBUrjYhwNLVu1ihLdMyjSywk47qMylgfckPy+qe:RjYKkJj6GmZUiqrWwNQcMvreMylgEX
TLSH	T19AA44A03EA60612EF1A389F1A8B5629668267D3A17DCE88BF3405F5935315D3ACF131F
TrID	39.5% (.EXE) Win32 Executable Microsoft Visual Basic 6 (82067/2/8) 15.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 13.0% (.EXE) UPX compressed Win32 Executable (27066/9/6) 12.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 7.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
Magika	pebin
dhash icon	1003873d31213f10 (151 x a310Logger, 149 x DarkCloud, 132 x GuLoader)
Reporter	adrian__luca
Tags:	a310logger exe

Intelligence

File Origin

# of uploads :

# of downloads :

207

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

DarkCloud GuLoader

Details

Link:

https://research.acce.ciphertechsolutions.com/results/49e42040-635a-43da-867a-a2f3d95a0049/

Malware family:

n/a

ID:

File name:

exe

Verdict:

Malicious activity

Analysis date:

2026-10-19 09:52:02 UTC

Tags:

darkcloud stealer smtp upx

Link:

https://app.any.run/tasks/68c3e93a-d641-4561-9f25-b0df1d5da0c3

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

DarkCloud

Link:

https://www.capesandbox.com/analysis/92758/

Detection(s):

PUA.Win.Packer.ProtectSharewar-2

PUA.Win.Packer.ProtectSharewar-3

SecuriteInfo.com.W32.VBKrypt.BIU.gen.Eldorado.UNOFFICIAL

Win.Backdoor.Generic-10060532-0

YARA.DITEKSHEN_MALWARE_Win_A310Logger.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ad5e3385a22ac805bd7de18

Tags:

infosteal dropper sharew packer

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating synchronization primitives

Creating a window

Creating a file in the %AppData% subdirectories

Reading critical registry keys

Deleting a recently created file

Stealing user critical data

Gathering data

Verdict:

Malicious

Labled as:

Trojan_Win32_DarkCloud_EALN_MTB

Link:

https://www.hybrid-analysis.com/sample/a8fca85b5837e1c55ae7e06d68bb2d29b05c6b149d4eec1e3cfff8aec32ff7c1

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-09-06T05:04:00Z UTC

Last seen:

2026-10-17T21:19:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/a8fca85b5837e1c55ae7e06d68bb2d29b05c6b149d4eec1e3cfff8aec32ff7c1/results?tab=lookup

Malware family:

DarkCloud

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/6a21f4aa-6abf-4c6a-b776-c28701c1f2f3

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a8fca85b5837e1c55ae7e06d68bb2d29b05c6b149d4eec1e3cfff8aec32ff7c1

Verdict:

inconclusive

YARA:

7 match(es)

Tags:

Executable PE (Portable Executable) PE File Layout Visual Basic Visual Basic 6 Win 32 Exe x86

Link:

https://app.malva.re/file/3d66bbe9035e1a5348f742af04cbfbe4

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a8fca85b5837e1c55ae7e06d68bb2d29b05c6b149d4eec1e3cfff8aec32ff7c1/

Threat name:

Win32.Trojan.DarkCloud

Status:

Malicious

First seen:

2026-09-06 07:10:00 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

29 of 36 (80.56%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vd6kqw2yg7q4kwxh4bwwroznfgyfy2yutvhoyhr4774k5qzp67aq._file

Verdict:

malicious

Label(s):

DarkCloudStealer

Link:

https://reports.threatray.com/7a6581f2-7351-436e-9ea3-3e6b175e2146

Result

Malware family:

darkcloud

Score:

10/10

Tags:

family:darkcloud discovery spyware stealer

Link:

https://tria.ge/reports/261019-jte5basvhw/

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:

a8fca85b5837e1c55ae7e06d68bb2d29b05c6b149d4eec1e3cfff8aec32ff7c1

MD5 hash:

3d66bbe9035e1a5348f742af04cbfbe4

SHA1 hash:

a89dfc3688d6f074ce54a6a88a3d1b6db406fcda

Detections:

darkcloudstealer

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_CC_Regex

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

MALWARE_Win_A310Logger

MALWARE_Win_DarkCloud

Link:

https://www.unpac.me/results/c9c6f33e-61dc-4c3d-ab1e-c8ecdaea4ea4/

Malware family:

DarkCloud

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a8fca85b5837/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

0.84

Link:

https://yomi.yoroi.company/submissions/a8fca85b5837e1c55ae7e06d68bb2d29b05c6b149d4eec1e3cfff8aec32ff7c1

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 Create hunting rule
Author:	YungBinary
Description:	https://x.com/YungBinary/status/1971585972912689643

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_CC_Regex Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing credit card regular expressions

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
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 Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing SQL queries to confidential data stores. Observed in infostealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot Create hunting rule
Author:	ditekSHen
Description:	Detects executables using Telegram Chat Bot

Rule name:	MALWARE_Win_A310Logger Create hunting rule
Author:	ditekSHen
Description:	Detects A310Logger

Rule name:	MALWARE_Win_DarkCloud Create hunting rule
Author:	ditekSHen
Description:	Detects DarkCloud infostealer

Rule name:	ProtectSharewareV11eCompservCMS Create hunting rule
Author:	malware-lu

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SEH__vba Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SUSPICIOUS_Potential_DDR Create hunting rule
Author:	NyxIndius
Description:	Detects PE files referencing web services potentially used as dead drop resolvers, with network capability correlation for single-indicator cases

Rule name:	telebot_framework Create hunting rule
Author:	vietdx.mb

Rule name:	TelegramAPIMalware_PowerShell_EXE Create hunting rule
Author:	@polygonben
Description:	Hunting for pwsh malware using Telegram for C2

Rule name:	telegram_bot_api Create hunting rule
Author:	rectifyq
Description:	Detects file containing Telegram Bot API

Rule name:	UPX Create hunting rule
Author:	kevoreilly
Description:	UPX Unpacker: dump on OEP (original entry point)

Rule name:	UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser Create hunting rule
Author:	malware-lu

Rule name:	VECT_Ransomware Create hunting rule
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 Create hunting rule
Author:	Elastic Security

Rule name:	WIN_Malware_Unknown_ForgeAuto_2ffc3572 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_43faefd2 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_74566f98 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_79234c04 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_7e8e91c4 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_92a28498 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_f1079127 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape

https://www.capesandbox.com/analysis/92758/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample