MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3973d9a25219c4309390f89034945f10437ce572223ad54719dfe965f3547ffb. 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: 10


Intelligence 10 IOCs YARA 22 File information Comments

SHA256 hash: 3973d9a25219c4309390f89034945f10437ce572223ad54719dfe965f3547ffb
SHA3-384 hash: 6bcf263d1dd5d35b9693df197b6ba23adac7ff81fb7ff3cbf52d545f429bc7482eea906a23c6eb1c8905ec74a4c1dbd2
SHA1 hash: d46b2735867b3026adb5edf12d10b7b503a76452
MD5 hash: e6b17b9f3c9c1927b00b0ba876c49a91
humanhash: missouri-mars-carpet-jersey
File name:Order#0001471.7z
Download: download sample
Signature a310Logger
File size:936'399 bytes
First seen:2025-08-02 11:54:16 UTC
Last seen:2025-08-02 11:59:08 UTC
File type: 7z
MIME type:application/x-7z-compressed
ssdeep 24576:AG9fUuoALY//5tj2ZG512i0WUiWUwilp3O0QAVNB:Asfn4ys27WUiWUwillQAV
TLSH T11915331E772BBEA6D002B69814EFA2ACC5D952F1F7943C1DB2086B75C7B4B519CF2044
Magika sevenzip
Reporter cocaman
Tags:7z a310logger


Avatar
cocaman
Malicious email (T1566.001)
From: "Cathy Ying <vicky.chou@egismos.com>" (likely spoofed)
Received: "from customer-rental.rootlayer.net (unknown [95.211.62.97]) "
Date: "31 Jul 2025 20:04:12 -0700"
Subject: "Aoyu order 61200 USD"
Attachment: "Order#0001471.7z"

Intelligence


File Origin
# of uploads :
5
# of downloads :
27
Origin country :
CH CH
File Archive Information

This file archive contains 2 file(s), sorted by their relevance:

File name:Order#0001471.scr
File size:1'060'864 bytes
SHA256 hash: 2599bf7bd7160508c8d401676db0a84699b2aaf87472e55bd1352f79fadd904b
MD5 hash: e1ab49b244803279385b4457d648c830
MIME type:application/x-dosexec
Signature a310Logger
File name:32512
File size:20 bytes
SHA256 hash: 6eb54801f91b6d8effccbfaefe6b2d7705a274a75940e6226e24e0d4ec58c396
MD5 hash: 6da8e7d5ae1d5d15e0230a67a7c16c6d
MIME type:application/octet-stream
Signature a310Logger
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
spawn shell virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 fingerprint lolbin masquerade msbuild obfuscated obfuscated overlay packed packed reconnaissance regsvcs rezer0 roboski schtasks telegram vbc
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
.Net 7z Archive Executable PE (Portable Executable) SFX 7z SOS: 0.41
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-08-01 15:56:00 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
darkcloud
Score:
  10/10
Tags:
family:darkcloud discovery execution persistence spyware stealer
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot8156904986:AAFHD6zZR5tltKFd6tXgdFhdZu4aQHMgI0w/sendMessage?chat_id=5858365728
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: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_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_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. 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_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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

7z 3973d9a25219c4309390f89034945f10437ce572223ad54719dfe965f3547ffb

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
a310Logger

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