MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75c3aafd46fa2b87455298c7b0ff91edb13729553077af151689979448aa0434. 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: 15

Intelligence 15 IOCs YARA 22 File information Comments

SHA256 hash:	75c3aafd46fa2b87455298c7b0ff91edb13729553077af151689979448aa0434
SHA3-384 hash:	014a62461c1afc324bf2ef1ccb97468b2dc69f57f7e41fe63c2a2503eb30f0f5ea9c1da75f927f59c70cda50f70e6d34
SHA1 hash:	03813a109ac5932f6dd7fd90f89349a9bb41c240
MD5 hash:	260158da15a9d90056fc5e1701bb61d7
humanhash:	washington-lithium-april-foxtrot
File name:	Halkbank Ekstre.exe
Download:	download sample
Signature	a310Logger Create hunting rule
File size:	1'460'736 bytes
First seen:	2025-07-29 19:42:14 UTC
Last seen:	2025-08-12 14:48:43 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep	24576:Gtb20pkaCqT5TBWgNQ7a3IczqXeT/r7eg6XVbCfkOCFTwodBSxfy6A:zVg5tQ7a3RzqXS/r7eg6hdwod485
TLSH	T13365E02363DEC361C3725273BA15B741AEBB782506B5F46B2FD80D3CA920261525EB73
TrID	40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	abuse_ch
Tags:	a310logger exe geo Halkbank TUR

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

_75c3aafd46fa2b87455298c7b0ff91edb13729553077af151689979448aa0434.exe

Verdict:

Malicious activity

Analysis date:

2025-07-29 19:59:57 UTC

Tags:

autoit

Link:

https://app.any.run/tasks/9299e8e8-6acd-414c-b3aa-a18e7ee33959

Note:

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

Detection:

A310Logger

Link:

https://www.capesandbox.com/analysis/17658/

Detection(s):

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=688924310b4775fb21332bd2

Tags:

autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% subdirectories

Reading critical registry keys

Searching for the window

Searching for synchronization primitives

Creating a file

Creating a file in the Windows subdirectories

Delayed writing of the file

Modifying a system file

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/75c3aafd46fa2b87455298c7b0ff91edb13729553077af151689979448aa0434

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/f416a224-4779-473e-8b7a-4b8505cfae46

Result

Threat name:

DarkCloud

Detection:

malicious

Classification:

troj.spyw.evad

Score:

62 / 100

Link:

https://www.joesandbox.com/analysis/1746698

Signature

Antivirus / Scanner detection for submitted sample

Binary is likely a compiled AutoIt script file

Found malware configuration

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)

Switches to a custom stack to bypass stack traces

Tries to harvest and steal browser information (history, passwords, etc)

Writes to foreign memory regions

Yara detected DarkCloud

Yara detected Generic Dropper

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/75c3aafd46fa2b87455298c7b0ff91edb13729553077af151689979448aa0434

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/75c3aafd46fa2b87455298c7b0ff91edb13729553077af151689979448aa0434/

Verdict:

Malicious

Threat:

Trojan-PSW.Win32.DarkCloud

Link:

https://tip.neiki.dev/file/75c3aafd46fa2b87455298c7b0ff91edb13729553077af151689979448aa0434

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-07-29 01:27:48 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=oxb2v7kg7ivyorkstdd3b74r5wytokkvgb326fiwrglzisfkaq2a._file

Verdict:

malicious

Label(s):

unc_loader_036

darkcloudstealer

autoit

Similar samples:

error

a310Logger

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/250729-yfbmas1vez/

Behaviour

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/db79ad8f-ee76-4c3b-b0f8-658a3c53ef6a

Unpacked files

SH256 hash:

75c3aafd46fa2b87455298c7b0ff91edb13729553077af151689979448aa0434

MD5 hash:

260158da15a9d90056fc5e1701bb61d7

SHA1 hash:

03813a109ac5932f6dd7fd90f89349a9bb41c240

Link:

https://www.unpac.me/results/5a802a94-29d6-4e4d-97bb-d96b733be03b/

SH256 hash:

677d12f03e856046a12c176e3cb527411b28f3fe4490ea477731825c71e39eca

MD5 hash:

ba8b50585b25c131a72d3ee84e44f94e

SHA1 hash:

8f6e529311d1202551356adc676e369cc8331589

Detections:

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

Link:

https://www.unpac.me/results/5a802a94-29d6-4e4d-97bb-d96b733be03b/

Parent samples :

ad38b8b5e1f032f090d59765c566fe3cb06fa70b77ee90f9b4a19d5ccafa8003
75c3aafd46fa2b87455298c7b0ff91edb13729553077af151689979448aa0434
210668bbd638108c2cecd71abfa86146b2c35f3b87478e48646a8c55f49d69d6
51695291f7c7f27d2a309faa2bfb2310e84f88ef4a3e11f9fed872d07a5f87e0

SH256 hash:

3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a

MD5 hash:

94d1531b52774dce52a89e33646d5b1d

SHA1 hash:

29bf887b025b97bd7a9e1e261852ba824234a625

Link:

https://www.unpac.me/results/5a802a94-29d6-4e4d-97bb-d96b733be03b/

Malware family:

DarkCloud

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/75c3aafd46fa/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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

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:	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:	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

Rule name:	YahLover Create hunting rule
Author:	Kevin Falcoz
Description:	YahLover

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/17658/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW

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