MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41a7ea4325b76d7cf721b86c2cf60ccb0ee2b9773be7ba8aa2763ebf18335805. 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: 20

Intelligence 20 IOCs YARA 18 File information Comments

SHA256 hash:	41a7ea4325b76d7cf721b86c2cf60ccb0ee2b9773be7ba8aa2763ebf18335805
SHA3-384 hash:	52dcd1344901fb31d8352a3d700cbeb1bb9c1faff0fa16f22f4140be0dd5c48a320daa3152a6294f566752cb4ed4b9e1
SHA1 hash:	92a6cc38485b2e840cbeef546228d89df4b13c8b
MD5 hash:	27a0d7a58c1d4dfabbc600ac8aa1de8d
humanhash:	social-carbon-solar-cat
File name:	OOLU2566777430000739829.exe
Download:	download sample
Signature	a310Logger Create hunting rule
File size:	1'170'944 bytes
First seen:	2025-12-01 14:09:08 UTC
Last seen:	2025-12-08 16:00:30 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	21371b611d91188d602926b15db6bd48 (70 x Formbook, 33 x AgentTesla, 20 x RemcosRAT)
ssdeep	24576:Df+iN57Gtene3Hr/01S+jKDl+Pgn87DLMVqFIYPMk:7LXKtene3LMtYl+Pgn87DLM3Y
Threatray	979 similar samples on MalwareBazaar
TLSH	T12F45E0053745DF14C51F55B2C8A3C2F8532B7E40DD009BDB76D9FE2A78B22EA6A62087
TrID	39.1% (.EXE) UPX compressed Win32 Executable (27066/9/6) 38.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 7.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.5% (.EXE) Win32 Executable (generic) (4504/4/1) 2.9% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	James_inthe_box
Tags:	a310logger exe UPX

UPX packed

This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.

File size (compressed) :	1'170'944 bytes
File size (de-compressed) :	1'676'800 bytes
Format:	win32/pe
Unpacked file:	9a185fa9a33723bbd7bc316e9fe0d0a7c3b843d320aa298f7183b15c707114a9

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

AutoIt PEPacker

Details

AutoIt

extracted scripts and files

PEPacker

a UPX version number and an unpacked binary

Link:

https://research.acce.ciphertechsolutions.com/results/677fd933-47d5-4592-9124-cd1d74a92aa9/

Malware family:

n/a

ID:

File name:

OOLU2566777430000739829.exe

Verdict:

Malicious activity

Analysis date:

2025-12-01 14:09:39 UTC

Tags:

upx autoit darkcloud crypto-regex

Link:

https://app.any.run/tasks/930fb47f-9654-497c-b013-fd6dab9aa46d

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/42011/

Detection(s):

PUA.Win.Packer.UpxProtector-1

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=692da18dfca025d00d475267

Tags:

autoit virus zusy hype

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:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

autoit compiled-script darkcloud microsoft_visual_cc packed packed packed stealer upx zusy

Link:

https://www.filescan.io/uploads/692da18c8c699db7f0784c3c/reports/54e49260-b3f7-4f6a-8c92-123355a6421f/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/41a7ea4325b76d7cf721b86c2cf60ccb0ee2b9773be7ba8aa2763ebf18335805

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-11-27T04:14:00Z UTC

Last seen:

2025-12-03T12:26:00Z UTC

Hits:

~100

Detections:

Trojan.Win32.Agent.sb Trojan.MSIL.Donut.sb VHO:Trojan-PSW.Win32.DarkCloud.bzy VHO:Backdoor.Win32.Androm.gen Trojan-Dropper.Win32.Injector.sb Trojan-Banker.Win32.Express.sb Trojan.Win32.Auzenpak.sb PDM:Trojan.Win32.Generic Trojan-PSW.Win32.DarkCloud.bzy Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Stelega.sb Trojan.Win32.Zenpak.sb Backdoor.Win32.Androm Trojan-PSW.Win32.DarkCloud.sb Trojan-PSW.Win32.DarkCloud.bzx Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb HackTool.ReconScan.TCP.ServerRequest

Link:

https://opentip.kaspersky.com/41a7ea4325b76d7cf721b86c2cf60ccb0ee2b9773be7ba8aa2763ebf18335805/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/ff6668ac-e346-413a-b6e8-be5f49c5e303

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/41a7ea4325b76d7cf721b86c2cf60ccb0ee2b9773be7ba8aa2763ebf18335805

Verdict:

Malware

YARA:

5 match(es)

Tags:

AutoIt Decompiled Executable PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86

Link:

https://app.malva.re/file/27a0d7a58c1d4dfabbc600ac8aa1de8d

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/41a7ea4325b76d7cf721b86c2cf60ccb0ee2b9773be7ba8aa2763ebf18335805/

Verdict:

Malicious

Threat:

Family.DARKCLOUD

Link:

https://tip.neiki.dev/file/41a7ea4325b76d7cf721b86c2cf60ccb0ee2b9773be7ba8aa2763ebf18335805

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-11-27 09:12:12 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=igt6uqzfw5wxz5zbxbwcz5qmzmhofolxhpt3vcvcoy7l6gbtlacq._file

Verdict:

malicious

Label(s):

darkcloudstealer

a310Logger

1e77489c920a17e0290d04e8471c20a2e3437b89bd90b6c1874f95ffe919bf2a

a310Logger

393835ae5e1ef7e86a74b0b349df029a3d594ea351fc039b28142da85ea6c17e

a310Logger

53855fe3a5c31ae94a3bfea7892bfa98e0da861a62000863d47ee25eb4a3e4de

a310Logger

9a8fb5b27922f3d93f26b0592c7ca6f399097314c79388aeeba9c23b379ee868

a310Logger

+ 969 additional samples on MalwareBazaar

Result

Malware family:

darkcloud

Score:

10/10

Tags:

family:darkcloud discovery stealer upx

Link:

https://tria.ge/reports/251201-rf848ssnbl/

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

UPX packed file

DarkCloud

Darkcloud family

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/e695bd02-486f-46ef-bb78-af6847119e18

Unpacked files

SH256 hash:

41a7ea4325b76d7cf721b86c2cf60ccb0ee2b9773be7ba8aa2763ebf18335805

MD5 hash:

27a0d7a58c1d4dfabbc600ac8aa1de8d

SHA1 hash:

92a6cc38485b2e840cbeef546228d89df4b13c8b

Link:

https://www.unpac.me/results/d0dad5b8-5f40-480b-81f1-58556b9a3039/

SH256 hash:

9a185fa9a33723bbd7bc316e9fe0d0a7c3b843d320aa298f7183b15c707114a9

MD5 hash:

ba5490a7f6822bda196527ebf208865c

SHA1 hash:

429d4a7fbc135376945bb33433a89f8313cbf75d

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/d0dad5b8-5f40-480b-81f1-58556b9a3039/

Parent samples :

9a185fa9a33723bbd7bc316e9fe0d0a7c3b843d320aa298f7183b15c707114a9
41a7ea4325b76d7cf721b86c2cf60ccb0ee2b9773be7ba8aa2763ebf18335805

SH256 hash:

63f48974c93351416184f16bdc7403ec85b6b13833c0fa10f5359bd425cd5e5c

MD5 hash:

f6e6e751ed0f40c5566c797a70581cf6

SHA1 hash:

05e72ce6ee8a426432e843ce31ae3736178132ac

Detections:

darkcloudstealer

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

MALWARE_Win_A310Logger

MALWARE_Win_DarkCloud

Link:

https://www.unpac.me/results/d0dad5b8-5f40-480b-81f1-58556b9a3039/

Parent samples :
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SH256 hash:

3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a

MD5 hash:

94d1531b52774dce52a89e33646d5b1d

SHA1 hash:

29bf887b025b97bd7a9e1e261852ba824234a625

Link:

https://www.unpac.me/results/d0dad5b8-5f40-480b-81f1-58556b9a3039/

Malware family:

DarkCloud

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/41a7ea4325b7/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/41a7ea4325b76d7cf721b86c2cf60ccb0ee2b9773be7ba8aa2763ebf18335805

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:	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:	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_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:	pe_detect_tls_callbacks 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:	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:	UPXProtectorv10x2 Create hunting rule
Author:	malware-lu

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

Rule name:	upx_largefile Create hunting rule
Author:	k3nr9

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.

a310Logger

exe 41a7ea4325b76d7cf721b86c2cf60ccb0ee2b9773be7ba8aa2763ebf18335805

(this sample)

a310Logger

exe 9a185fa9a33723bbd7bc316e9fe0d0a7c3b843d320aa298f7183b15c707114a9

Cape

https://www.capesandbox.com/analysis/42011/

Dropping

SHA256 9a185fa9a33723bbd7bc316e9fe0d0a7c3b843d320aa298f7183b15c707114a9

Dropping

MD5 ba5490a7f6822bda196527ebf208865c

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