MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31f20e519939289560661eb6fe04be9f73bbf17c3c22a9b8087c59e60bae8873. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 31f20e519939289560661eb6fe04be9f73bbf17c3c22a9b8087c59e60bae8873
SHA3-384 hash: fab5ea7e5154ed208976b2aa6ad26b75798b9c73ea6c3eae8cf6ca568aa1e6206169103189a7e93c5fb0106aba9f3e02
SHA1 hash: 65163f385f5180a1dee189044d1df296af61ce70
MD5 hash: 56b6e17006b25ce5586d1441a2db7cc8
humanhash: maine-lake-florida-muppet
File name:56b6e17006b25ce5586d1441a2db7cc8.exe
Download: download sample
Signature a310Logger
File size:2'897'751 bytes
First seen:2022-08-02 18:06:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f129731702b1d5092688bce75a5d4e19 (4 x a310Logger)
ssdeep 49152:7C71WYhDabK9wTWt9zuaEPv2skaTjsq8lb9t4sdMoHwDygybe0ZYh05s:O71WYhDaCMI9zuQs9Aq8lb9zCDygybet
TLSH T14CD533619DB4A06CD32C1BBB6878F3498682BC540FA10D19D78D77DEBE953A3D11EB80
TrID 29.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
22.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4505/5/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 1003873d31213f10 (142 x DarkCloud, 132 x GuLoader, 35 x a310Logger)
Reporter abuse_ch
Tags:a310logger exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
405
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
56b6e17006b25ce5586d1441a2db7cc8.exe
Verdict:
Malicious activity
Analysis date:
2022-08-03 05:55:30 UTC
Tags:
stealer

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

Behaviour
Searching for the window
Searching for analyzing tools
Сreating synchronization primitives
Creating a window
Launching a process
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Creating a file
DNS request
Sending a custom TCP request
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
BluStealer, ThunderFox Stealer, a310Logg
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Potential malicious icon found
Query firmware table information (likely to detect VMs)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected a310Logger
Yara detected BluStealer
Yara detected ThunderFox Stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2022-08-02 18:07:15 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
blustealer
Score:
  10/10
Tags:
family:blustealer collection evasion stealer themida trojan
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks whether UAC is enabled
Checks BIOS information in registry
Themida packer
Identifies VirtualBox via ACPI registry values (likely anti-VM)
BluStealer
Malware Config
C2 Extraction:
https://api.telegram.org/bot5449766717:AAHzRorvKI5URgvleGHlq6ZvqElY68-XL18/sendMessage?chat_id=1293496579
Unpacked files
SH256 hash:
fc9bb9746aaa4e07944b2c1338d26ac852531a6e6c97e98f6a56202d27ff607c
MD5 hash:
d2ec533f8b40a8224d79c87c2291f943
SHA1 hash:
f305fa4c5c8525e853fbdbcf5c8cedad9ba08fd2
SH256 hash:
9dc7c5f5d889aebb2e0f63d5b5a7887c37a2cf002bd1aa66229bffbc5fcb4717
MD5 hash:
3a24c7f9a1246d99f52edc9251227a1e
SHA1 hash:
47a0072ffc1daa0b7537a0fbc99d67ca880560c3
SH256 hash:
cf5b9916d3c4ba14dd37c1b70f22d68680991a8384381479a506eedbd6dfe59b
MD5 hash:
af97091b510ea2e499379c13907b77c9
SHA1 hash:
d4ac591cad321cafb588504e3c4b13baabff4931
SH256 hash:
31f20e519939289560661eb6fe04be9f73bbf17c3c22a9b8087c59e60bae8873
MD5 hash:
56b6e17006b25ce5586d1441a2db7cc8
SHA1 hash:
65163f385f5180a1dee189044d1df296af61ce70
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_EXE_Packed_Themida
Author:ditekSHen
Description:Detects executables packed with Themida
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

File information


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

Web download

a310Logger

Executable exe 31f20e519939289560661eb6fe04be9f73bbf17c3c22a9b8087c59e60bae8873

(this sample)

  
Delivery method
Distributed via web download

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