MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f90399cce02c4107aada84e016b449c8ada939c0af54ed104331df347843478. 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



SnakeKeylogger


Vendor detections: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: 8f90399cce02c4107aada84e016b449c8ada939c0af54ed104331df347843478
SHA3-384 hash: cfa26299eda7c95d2c989da5be7b2cd653022b7d4a541450dd096085262babc72e5afc37e157bb86c8e554964e53e1d2
SHA1 hash: a340a328fadc9e6c6c845c405b7bbf337981fe61
MD5 hash: 44b06168b10eebc22c0e92964f6ea1a0
humanhash: ohio-march-enemy-green
File name:coreTEX_report_001pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:31'744 bytes
First seen:2023-07-12 12:13:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 768:ztRRRvIBwPMb+F65Y/XDuZ+jMnXdrGtRDRl8b37l5Nu:ztd+m6+m+onXdrGtRDRl8brhu
Threatray 5'460 similar samples on MalwareBazaar
TLSH T141E2F724EFE8823AC7BA0ABF696B5319053DCDD63503EBDB8958705B6C737010C66E25
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 80c0e0430b278080 (5 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
281
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
coreTEX_report_001pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-07-12 12:14:56 UTC
Tags:
snake evasion keylogger trojan

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

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending an HTTP GET request
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a browser
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm 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.
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
Snake Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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 steal Mail credentials (via file / registry access)
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1271692 Sample: coreTEX_report_001pdf.exe Startdate: 12/07/2023 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 8 other signatures 2->63 6 coreTEX_report_001pdf.exe 16 5 2->6         started        11 Fxubijxcl.exe 14 5 2->11         started        13 Fxubijxcl.exe 4 2->13         started        process3 dnsIp4 35 cdn.discordapp.com 162.159.135.233, 443, 49708 CLOUDFLARENETUS United States 6->35 29 C:\Users\user\AppData\Roaming\Fxubijxcl.exe, PE32 6->29 dropped 31 C:\Users\...\Fxubijxcl.exe:Zone.Identifier, ASCII 6->31 dropped 33 C:\Users\...\coreTEX_report_001pdf.exe.log, ASCII 6->33 dropped 65 May check the online IP address of the machine 6->65 67 Injects a PE file into a foreign processes 6->67 15 coreTEX_report_001pdf.exe 2 6->15         started        19 coreTEX_report_001pdf.exe 6->19         started        37 162.159.129.233, 443, 49710, 49711 CLOUDFLARENETUS United States 11->37 69 Multi AV Scanner detection for dropped file 11->69 71 Machine Learning detection for dropped file 11->71 21 Fxubijxcl.exe 11->21         started        23 Fxubijxcl.exe 11->23         started        25 Fxubijxcl.exe 13->25         started        27 Fxubijxcl.exe 13->27         started        file5 signatures6 process7 dnsIp8 39 checkip.dyndns.org 15->39 41 checkip.dyndns.com 132.226.247.73, 49709, 80 UTMEMUS United States 15->41 43 192.168.2.1 unknown unknown 15->43 45 checkip.dyndns.org 21->45 47 193.122.6.168, 49712, 80 ORACLE-BMC-31898US United States 21->47 49 checkip.dyndns.org 25->49 51 132.226.8.169, 49713, 80 UTMEMUS United States 25->51 53 Tries to steal Mail credentials (via file / registry access) 25->53 55 Tries to harvest and steal browser information (history, passwords, etc) 25->55 signatures9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-12 08:20:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger persistence spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot6069803433:AAHmPsyNkh5OacxYIQX6831IlMMaQrlQCBE/sendMessage?chat_id=1467583453
Unpacked files
SH256 hash:
8f90399cce02c4107aada84e016b449c8ada939c0af54ed104331df347843478
MD5 hash:
44b06168b10eebc22c0e92964f6ea1a0
SHA1 hash:
a340a328fadc9e6c6c845c405b7bbf337981fe61
Malware family:
SnakeKeylogger
Verdict:
Malicious
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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information


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

Malspam

SnakeKeylogger

Executable exe 8f90399cce02c4107aada84e016b449c8ada939c0af54ed104331df347843478

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments