MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2d70004757350c572d2222eb6930eaa288ec0e7735715f802af9e32d8c60492. 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 24 File information Comments

SHA256 hash: b2d70004757350c572d2222eb6930eaa288ec0e7735715f802af9e32d8c60492
SHA3-384 hash: 5a3fc4bbe3277bd9a3153168ba07ace6ab14abeb8ff8e04600d64be432643b103882927035cdf1afabadf6bb8bd3d06d
SHA1 hash: bfcdce3ecc5da6a04c9fd4ae54fa67020c256b53
MD5 hash: a0e16f76f7d441ec8e2ef284b2d841e9
humanhash: west-crazy-fix-michigan
File name:4719363800.exe
Download: download sample
Signature a310Logger
File size:1'841'152 bytes
First seen:2025-10-29 12:02:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:vMz/puYMKkKYz/gibvsYZNOey6Y8yrPkdyGr7qG9J8dw5/hcYrp:+UVJciDsYjBDocdTqG9id0JRrp
TLSH T14185AC099AE41F53E2BA4736C4F39A847375A890FB5BE70B914434A60C963D25B433FB
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter lowmal3
Tags:a310logger exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
95
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4719363800.exe
Verdict:
Malicious activity
Analysis date:
2025-10-29 12:06:27 UTC
Tags:
auto-startup purecrypter darkcloud upx

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-29T03:34:00Z UTC
Last seen:
2025-10-31T09:53:00Z UTC
Hits:
~1000
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected DarkCloud
Yara detected Generic Dropper
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1803847 Sample: 4719363800.exe Startdate: 29/10/2025 Architecture: WINDOWS Score: 100 26 Found malware configuration 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 8 other signatures 2->32 7 4719363800.exe 5 2->7         started        11 wscript.exe 1 2->11         started        process3 file4 20 C:\Users\user\...\ConsistencyGuarantee.exe, PE32 7->20 dropped 22 C:\Users\user\...\ConsistencyGuarantee.vbs, ASCII 7->22 dropped 24 ConsistencyGuarantee.exe:Zone.Identifier, ASCII 7->24 dropped 34 Drops VBS files to the startup folder 7->34 36 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->36 38 Writes to foreign memory regions 7->38 40 Injects a PE file into a foreign processes 7->40 13 InstallUtil.exe 3 7->13         started        42 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->42 16 ConsistencyGuarantee.exe 2 11->16         started        signatures5 process6 signatures7 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->44 46 Tries to steal Mail credentials (via file / registry access) 13->46 48 Tries to harvest and steal browser information (history, passwords, etc) 13->48 50 Multi AV Scanner detection for dropped file 16->50 52 Writes to foreign memory regions 16->52 54 Injects a PE file into a foreign processes 16->54 18 InstallUtil.exe 16->18         started        process8
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.42 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Status:
Malicious
First seen:
2025-10-29 12:03:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 37 (81.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_078
Similar samples:
Result
Malware family:
darkcloud
Score:
  10/10
Tags:
family:darkcloud discovery stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
DarkCloud
Darkcloud family
Verdict:
Malicious
Tags:
Win.Packed.Msilheracles-10017859-0
YARA:
n/a
Unpacked files
SH256 hash:
b2d70004757350c572d2222eb6930eaa288ec0e7735715f802af9e32d8c60492
MD5 hash:
a0e16f76f7d441ec8e2ef284b2d841e9
SHA1 hash:
bfcdce3ecc5da6a04c9fd4ae54fa67020c256b53
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
ca275e8afd7317223857a46d9696a047c3cf290ebc2c886bb06e6ec2a3a06c75
MD5 hash:
b24375f8eb3715f0b9ba54543f964f74
SHA1 hash:
620b304168ba8d40365da1c67434b2984a8e9e2e
SH256 hash:
f2ce496e222926b28e2c840e66baf2f3f316c994d8dd0e202fd07977b27ce650
MD5 hash:
59716e316b505ec43f9ae70b88d7732f
SHA1 hash:
a83bf549e968f536d22a4edfbebd9b3116b6b487
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
b316675fe26cfb1f2b68f90d10ff17aa528d50f42af38e5ee1d4894df169f808
MD5 hash:
d5e3efea9424677ebe130f969c7cf32d
SHA1 hash:
aeef7a524f24e54ba62cad12d06a9c34adc919a0
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_A310Logger
Author:ditekSHen
Description:Detects A310Logger
Rule name:MALWARE_Win_DarkCloud
Author:ditekSHen
Description:Detects DarkCloud infostealer
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:ProtectSharewareV11eCompservCMS
Author:malware-lu
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vba
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:TelegramAPIMalware_PowerShell_EXE
Author:@polygonben
Description:Hunting for pwsh malware using Telegram for C2
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:Windows_Trojan_DarkCloud_9905abce
Author:Elastic Security

File information


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

Malspam

a310Logger

Executable exe b2d70004757350c572d2222eb6930eaa288ec0e7735715f802af9e32d8c60492

(this sample)

  
Delivery method
Distributed via e-mail attachment

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