MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a3b4e62a8262a0bf527ad8ea27eb19a0fcb48a76d6fc2868785362e40491432. 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: 18

Intelligence 18 IOCs YARA 23 File information Comments

SHA256 hash:	6a3b4e62a8262a0bf527ad8ea27eb19a0fcb48a76d6fc2868785362e40491432
SHA3-384 hash:	d134e81012faf3f559942b600ab8fcdb81e6c91e1f837475425cb1cd31e657a749d17a1da39aada98e03189ac94073d6
SHA1 hash:	f083b8bbb6b0c47ff849c8d2bda4c24ddcaa9a36
MD5 hash:	18dbb05d1224029425db1a8bb39d86b7
humanhash:	spring-apart-july-double
File name:	SWIFT MT103 FT2521935SVT.exe
Download:	download sample
Signature	a310Logger Create hunting rule
File size:	947'200 bytes
First seen:	2025-09-09 13:13:47 UTC
Last seen:	2025-09-15 06:57:29 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	24576:m+t5+GjrFiwWcNG8Qog+vc66u7KScshumdT:m+jbjrIwWcw8Qog+1OshDdT
Threatray	149 similar samples on MalwareBazaar
TLSH	T1DC150224212AEE02D1A25FF45A71E3B407B47E89E916E343AFCA7CCFB532BA05545743
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	adrian__luca
Tags:	a310logger exe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

SWIFT MT103 FT2521935SVT.exe

Verdict:

Malicious activity

Analysis date:

2025-09-09 13:14:23 UTC

Tags:

auto-sch-xml upx darkcloud

Link:

https://app.any.run/tasks/2e332924-9607-4404-b9e2-7512fcfbe457

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/26492/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68c028ccb2005259887929e4

Tags:

micro krypt msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a custom TCP request

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

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

Stealing user critical data

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

obfuscated packed packed packer_detected

Link:

https://www.filescan.io/uploads/68c02a0ba1a41633174e82d2/reports/33aad3bf-9178-4d49-8014-3f6885d79777/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/6a3b4e62a8262a0bf527ad8ea27eb19a0fcb48a76d6fc2868785362e40491432

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-09-08T03:59:00Z UTC

Last seen:

2025-09-08T03:59:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/6a3b4e62a8262a0bf527ad8ea27eb19a0fcb48a76d6fc2868785362e40491432/results?tab=lookup

Malware family:

DarkCloud

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/3fb0dbda-9def-48fd-a1c1-3c73d7244763

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/6a3b4e62a8262a0bf527ad8ea27eb19a0fcb48a76d6fc2868785362e40491432

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.24 Win 32 Exe x86

Link:

https://app.malva.re/file/18dbb05d1224029425db1a8bb39d86b7

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6a3b4e62a8262a0bf527ad8ea27eb19a0fcb48a76d6fc2868785362e40491432/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2025-09-08 06:58:44 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ni5u4yvieyvax5jhvwhke7vrtih4wsfhnvx4fbuhqu3c4qcjcqza._file

Verdict:

malicious

Label(s):

darkcloudstealer

unc_loader_037

a310Logger

3f9fd09725d323cddc1a57fad5d8322b1e228d0a3eb46ddb2163c1777fd5090a

a310Logger

44d56ea314118afc4fa5fc409f4f1e4a8a232ff410de243c4fa14ada2365cae7

a310Logger

8b8af25247922724fef0e498df02508b93947658630743d685608d03dd0264aa

a310Logger

+ 139 additional samples on MalwareBazaar

Result

Malware family:

darkcloud

Score:

10/10

Tags:

family:darkcloud discovery execution persistence spyware stealer

Link:

https://tria.ge/reports/250909-qlrayask15/

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

Reads WinSCP keys stored on the system

Reads user/profile data of web browsers

Command and Scripting Interpreter: PowerShell

DarkCloud

Darkcloud family

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/d1881b79-100a-494c-a58b-b96b32357df5

Unpacked files

SH256 hash:

6a3b4e62a8262a0bf527ad8ea27eb19a0fcb48a76d6fc2868785362e40491432

MD5 hash:

18dbb05d1224029425db1a8bb39d86b7

SHA1 hash:

f083b8bbb6b0c47ff849c8d2bda4c24ddcaa9a36

Link:

https://www.unpac.me/results/3499f6ce-c02b-41b8-9f1c-36190d258f83/

SH256 hash:

7c7d6ddb19ba50cc62fba3750c659fcb788e94cada03b03ca27649bb0de65e5e

MD5 hash:

815e2c27d99fe36578b39c399db7e7d7

SHA1 hash:

a24b2d497d27cc7f7ee6e69421d21b2a30b0f908

Detections:

darkcloudstealer

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

INDICATOR_SUSPICIOUS_EXE_CC_Regex

MALWARE_Win_A310Logger

MALWARE_Win_DarkCloud

Link:

https://www.unpac.me/results/3499f6ce-c02b-41b8-9f1c-36190d258f83/

Parent samples :

ad35c23788b2e0f57f4a57326290de01f0680c567122ff11fa0eefe5443e522e
8e70ded796554c6b4cacde8469bfc6cfc13b4adecdaf0e0e22b8fcfab89c8f19
44d56ea314118afc4fa5fc409f4f1e4a8a232ff410de243c4fa14ada2365cae7
9aaec65c036d7b320fb31cbc73bff93e135eb2e8d3780c4a6dff2b4a5421ec9c
21cbafdad1d905516db91d5ea45b284e4167bdfb801701a95455ffa754b01dc9
789217599c1f3acfa58bde73eca30d4f0bd9c8184fdfe37ffa7339d321cfe266
741be14a5cfa6754257b0c372718ae5831353b6967164dcb7e95f163e5a3ece8
6a3b4e62a8262a0bf527ad8ea27eb19a0fcb48a76d6fc2868785362e40491432
7b7e52fb36207d89ab15876a165804032a70437b1eb56634ba58b548ce1eaada
377a51add880ac177698e183dc4184e9f5ff41bd10b0d306700004c47d35ae37
a470b6f07644e28d40b1943e7bbbe82480904d0701165c21177a7e6a631f6db3
377dc2241fff636854214a7c79f53d439c9ae85374604003d51a46ebb461fa9e
d58c12abba6d1d929cc2b5cfdd3e5df87e467319e33cc4e68b33a4a9476d0292
f49d6efeab5a163ccaff6d8166c0be80e8430d50b4ba7c43df903dbb05bb7bfa
e85bc42c7456e0a394fd3ce094d79efbc3fa74d9bda545d204d6f45e371bd713
d7911c750b95eda25760d99dbc911f231f831492be7f55ee2620c25e85d01dee

SH256 hash:

b1b82ed7b3ab19bacb76744aee21e4aa7bd7e79c5996eefd6b07cf72eee142f4

MD5 hash:

ff066dca25db42f6379ff4baa659d8e8

SHA1 hash:

b292dee7b041dd40d3036876607b64acb8f418f2

Link:

https://www.unpac.me/results/3499f6ce-c02b-41b8-9f1c-36190d258f83/

SH256 hash:

369241d4f59cbce12d7dae7493a4cbfc6823a95fcd4e40f591ec6f5618e2b7fa

MD5 hash:

6db25ce8f470ca05ca8878f208f57bfb

SHA1 hash:

c486b44ef2fb6b908a675e1cba7405309ff3c9cc

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/3499f6ce-c02b-41b8-9f1c-36190d258f83/

SH256 hash:

3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a

MD5 hash:

94d1531b52774dce52a89e33646d5b1d

SHA1 hash:

29bf887b025b97bd7a9e1e261852ba824234a625

Link:

https://www.unpac.me/results/3499f6ce-c02b-41b8-9f1c-36190d258f83/

Malware family:

DarkCloud

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6a3b4e62a826/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/6a3b4e62a8262a0bf527ad8ea27eb19a0fcb48a76d6fc2868785362e40491432

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 Create hunting rule
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:	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_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:	NETexecutableMicrosoft 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:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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

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

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.

Malspam

a310Logger

exe 6a3b4e62a8262a0bf527ad8ea27eb19a0fcb48a76d6fc2868785362e40491432

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/26492/

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