MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba6268a4198e952cbf7f0cd2af1151207dd0271331069176394539011db32354. 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: 9


Intelligence 9 IOCs YARA 20 File information Comments

SHA256 hash: ba6268a4198e952cbf7f0cd2af1151207dd0271331069176394539011db32354
SHA3-384 hash: a762835d6bc63812b6492f64f9f45c47ca83927d7539adac59c6e0e4e9043bfa54aabc9a67b16a540405fb14ffedac0c
SHA1 hash: 0af77c3cd52b18828eb1a77867ce05e05d5bc31b
MD5 hash: bcb9093850861749082e61b189227937
humanhash: edward-speaker-floor-nitrogen
File name:hesaphareketi-01.pdf.js
Download: download sample
Signature a310Logger
File size:420'129 bytes
First seen:2023-08-09 17:40:07 UTC
Last seen:2023-08-11 09:01:08 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:8Fo+/qDQ5e3ID89uFO1U0PZbXWDtZTuAMmoqME+NYloH:vh8uID8O0xbyZTxZOYQ
TLSH T1BA94AEF27583BAE02EF71E4032E57F2C2CD03B63E691960EB8906DD540A6D585FD26D2
Reporter abuse_ch
Tags:a310logger geo js Telegram TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
327
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dropper masquerade obfuscated packed remcos
Result
Verdict:
MALICIOUS
Result
Threat name:
BluStealer, StormKitty
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Benign windows process drops PE files
Found malware configuration
Injects a PE file into a foreign processes
JScript performs obfuscated calls to suspicious functions
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected BluStealer
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1288827 Sample: hesaphareketi-01.pdf.js Startdate: 09/08/2023 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 6 other signatures 2->34 8 wscript.exe 2 2->8         started        process3 file4 22 C:\Users\user\...\hesaphareketi-01.pdf.exe, PE32 8->22 dropped 44 Benign windows process drops PE files 8->44 46 JScript performs obfuscated calls to suspicious functions 8->46 12 hesaphareketi-01.pdf.exe 3 8->12         started        signatures5 process6 signatures7 48 Multi AV Scanner detection for dropped file 12->48 50 Machine Learning detection for dropped file 12->50 15 hesaphareketi-01.pdf.exe 1 12->15         started        process8 signatures9 52 Writes to foreign memory regions 15->52 54 Allocates memory in foreign processes 15->54 56 Injects a PE file into a foreign processes 15->56 18 AppLaunch.exe 15 3 15->18         started        process10 dnsIp11 24 icanhazip.com 104.18.115.97, 49699, 80 CLOUDFLARENETUS United States 18->24 26 238.14.8.0.in-addr.arpa 18->26 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->36 38 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 18->38 40 May check the online IP address of the machine 18->40 42 2 other signatures 18->42 signatures12
Threat name:
Script-JS.Downloader.Nemucod
Status:
Malicious
First seen:
2023-08-09 17:41:05 UTC
File Type:
Text (JavaScript)
AV detection:
17 of 38 (44.74%)
Threat level:
  3/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:blustealer family:stormkitty stealer
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
BluStealer
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot5374342837:AAHF-c1HAIvNCdF89VuEdNggsL2YBlpgkSE/sendMessage?chat_id=2133303215
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_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_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_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MALWARE_Win_A310Logger
Author:ditekSHen
Description:Detects A310Logger
Rule name:MALWARE_Win_StormKitty
Author:ditekSHen
Description:Detects StormKitty infostealer
Rule name:MAL_AgentTesla_Stage_1
Author:SECUINFRA Falcon Team
Description:Detects the first stage of AgentTesla (JavaScript)
Reference:https://bazaar.abuse.ch/sample/bd257d674778100639b298ea35550bf3bcb8b518978c502453e9839846f9bbec/
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Quasar_RAT_1
Author:@SOCRadar
Description:Detects Quasar RAT
Rule name:Quasar_RAT_1_RID2B54
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:SEH__vba
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_masslogger_w0
Author:govcert_ch

File information


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

Malspam

a310Logger

Java Script (JS) js ba6268a4198e952cbf7f0cd2af1151207dd0271331069176394539011db32354

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments