MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd1ca610c3c0f892967ce0e4bbebb527d45f0fc9b3f379624ef4b6324090ac21. 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:	fd1ca610c3c0f892967ce0e4bbebb527d45f0fc9b3f379624ef4b6324090ac21
SHA3-384 hash:	eb42614eb8af99f4154d9661f4fb1a9bad750175fa383da44e29be60bb62d577624feeea46b014792eb80f26e679b440
SHA1 hash:	2c30641f7bae40812ef16f5bd393706b747cf1c2
MD5 hash:	97bf059bdfbbdc344aa3d74dcb146986
humanhash:	emma-connecticut-black-india
File name:	fd1ca610c3c0f892967ce0e4bbebb527d45f0fc9b3f379624ef4b6324090ac21
Download:	download sample
Signature	a310Logger Create hunting rule
File size:	1'325'568 bytes
First seen:	2026-09-04 20:23:16 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'218 x AgentTesla, 20'417 x Formbook, 12'370 x SnakeKeylogger)
ssdeep	24576:6ADRsm/ULCgcx8Bh0sJG5IfVdT+aXxNT24Azt/xB9uc3:913/ULCgFBhrG5sdT+aXxNQJI
TLSH	T10755F1146153CAA2DC5537B3CBA6CAF012735DDBD193C2EB56F87EE73A31BA50488242
TrID	72.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.4% (.EXE) Win64 Executable (generic) (6522/11/2) 4.4% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika	pebin
Reporter	adrian__luca
Tags:	a310logger exe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

NETReactor RoboSki

Details

Link:

https://research.acce.ciphertechsolutions.com/results/7fcd6e1d-e9fd-45e6-9a28-75312acd84da/

Malware family:

guloader

ID:

File name:

exe

Verdict:

Malicious activity

Analysis date:

2026-09-04 22:04:31 UTC

Tags:

netreactor darkcloud stealer auto-reg guloader loader telegram upx

Link:

https://app.any.run/tasks/cdf7b634-73cf-4763-aa4c-0650c8b37d93

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/84005/

Detection(s):

Win.Packed.Yogi-10060450-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Launching a service

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Сreating synchronization primitives

Creating a file in the %AppData% subdirectories

Reading critical registry keys

Deleting a recently created file

Replacing files

Blocking the Windows Defender launch

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

entropy net_reactor obfuscated packed packed stealer xworm

Link:

https://www.filescan.io/uploads/6a9b28befcf8ac3ee6d1d646/reports/31366e29-fbd9-48b0-abd8-f55fb4611f25/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/fd1ca610c3c0f892967ce0e4bbebb527d45f0fc9b3f379624ef4b6324090ac21

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-08-05T07:16:00Z UTC

Last seen:

2026-08-24T15:46:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/fd1ca610c3c0f892967ce0e4bbebb527d45f0fc9b3f379624ef4b6324090ac21/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/960ab393-fd30-41ec-9b6a-c78758c5f815

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/fd1ca610c3c0f892967ce0e4bbebb527d45f0fc9b3f379624ef4b6324090ac21

Verdict:

Malware

YARA:

12 match(es)

Tags:

.Net .Net Obfuscator .Net Reactor Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.72 Win 32 Exe x86

Link:

https://app.malva.re/file/97bf059bdfbbdc344aa3d74dcb146986

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/fd1ca610c3c0f892967ce0e4bbebb527d45f0fc9b3f379624ef4b6324090ac21/

Threat name:

ByteCode-MSIL.Trojan.XWorm

Status:

Malicious

First seen:

2026-08-05 17:19:12 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

24 of 36 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7uokmegdyd4jfft44dslx25ve7kf6d6jwpzxsyso6s3deqeqvqqq._file

Verdict:

malicious

Label(s):

DarkCloudStealer

Link:

https://reports.threatray.com/85b1929d-81f8-4824-aedb-f113b177fe74

Result

Malware family:

darkcloud

Score:

10/10

Tags:

family:darkcloud defense_evasion discovery evasion execution persistence spyware stealer trojan

Link:

https://tria.ge/reports/260904-y6b1rawygz/

Behaviour

Kills process with taskkill

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

Drops file in Program Files directory

Executes a VBScript file via the Windows Script Host.

SmartAssembly .NET packer

Suspicious use of SetThreadContext

Adds Run key to start application

Checks computer location settings

Executes dropped EXE

Reads WinSCP keys stored on the system

Reads user/profile data of web browsers

Command and Scripting Interpreter: PowerShell

Family: DarkCloud

Modifies Windows Defender DisableAntiSpyware settings

Unpacked files

SH256 hash:

fd1ca610c3c0f892967ce0e4bbebb527d45f0fc9b3f379624ef4b6324090ac21

MD5 hash:

97bf059bdfbbdc344aa3d74dcb146986

SHA1 hash:

2c30641f7bae40812ef16f5bd393706b747cf1c2

Link:

https://www.unpac.me/results/09b5cd91-0e5c-4c2e-8762-ab4e70069ddb/

SH256 hash:

7672ecef65b42c747fb9fac99f2281637fb92bd4f7adb43b02198c4c2ad56e55

MD5 hash:

660c82e5362a9eac830ade229cf4790a

SHA1 hash:

2ed1d6d8abaf853f0de33451d592ee50ee071a73

Detections:

INDICATOR_EXE_Packed_SmartAssembly

Link:

https://www.unpac.me/results/09b5cd91-0e5c-4c2e-8762-ab4e70069ddb/

Parent samples :
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SH256 hash:

bd9e8f7aa99b79b95e2ef345d9b3f840e3ec3f0ee59089a77f9fbf725d3a6dbe

MD5 hash:

9229b2cf9c1b8de8407918cdf1692e4b

SHA1 hash:

74163390a3c54c0713d0fee967ecd8fb566917f9

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

Link:

https://www.unpac.me/results/09b5cd91-0e5c-4c2e-8762-ab4e70069ddb/

SH256 hash:

bab3b43558a3c1de2aee7014b8d50306d19f67399836066bd50f1dfedf053664

MD5 hash:

71948b29e1ae6ade71c104f09f8c122d

SHA1 hash:

96c3809d12b34331b823305e7ab7daa0905af742

Link:

https://www.unpac.me/results/09b5cd91-0e5c-4c2e-8762-ab4e70069ddb/

SH256 hash:

edf537462078fd78af4e5139fcaa961a068943e624c4b7d53a3fe8b913ddc2a0

MD5 hash:

b62e3857c7e7234cc7aaf44e5118f6f8

SHA1 hash:

c6302feaad95579f6d1d7130ae828b1aa80c5107

Detections:

darkcloudstealer

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_CC_Regex

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

MALWARE_Win_A310Logger

MALWARE_Win_DarkCloud

Link:

https://www.unpac.me/results/09b5cd91-0e5c-4c2e-8762-ab4e70069ddb/

SH256 hash:

3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a

MD5 hash:

94d1531b52774dce52a89e33646d5b1d

SHA1 hash:

29bf887b025b97bd7a9e1e261852ba824234a625

Link:

https://www.unpac.me/results/09b5cd91-0e5c-4c2e-8762-ab4e70069ddb/

Malware family:

DarkCloud

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/fd1ca610c3c0/report/overview.html

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:	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_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:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

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

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:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

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

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/84005/

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