MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0ebd3bc3035a85c16d9856235d470598e247755fb4b3744c32ac6bab6c4d311f. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: 0ebd3bc3035a85c16d9856235d470598e247755fb4b3744c32ac6bab6c4d311f
SHA3-384 hash: a55d4d59f8e13d527df0335568c81486eadf308c33031fcc25641c76d11f0812b50ac84b117aceaac8e0ff9ff63b83b3
SHA1 hash: 1736c40a3405568ea7eb99626fc6787225081eac
MD5 hash: a58ba28556b22b42763f7e250fb0a4ee
humanhash: green-april-pizza-fruit
File name:Refbkefruvt.exe
Download: download sample
Signature SnakeKeylogger
File size:601'600 bytes
First seen:2023-08-03 07:03:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:hWsTS0AV13ha4LtgdA8ICUNV9xIm683GcS+/ccP+zwrC3vGIETPm3zBzPH:k3ltga2UNKsFSJcPu
Threatray 429 similar samples on MalwareBazaar
TLSH T102D47D11ABD0AB17F06F63B3C0A34A6157F4E196A3C9FFCB19806AEA1D57305DD0429B
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 70f8f2f2d6d469b2 (3 x SnakeKeylogger, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
294
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Refbkefruvt.exe
Verdict:
Malicious activity
Analysis date:
2023-08-03 07:04:26 UTC
Tags:
evasion snake keylogger trojan

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

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Searching for synchronization primitives
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Forced shutdown of a browser
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin replace
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
Creates autostart registry keys with suspicious names
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, 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 Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1284884 Sample: Refbkefruvt.exe Startdate: 03/08/2023 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 4 other signatures 2->45 6 Refbkefruvt.exe 15 5 2->6         started        11 eeeee.exe 14 2 2->11         started        13 eeeee.exe 2 2->13         started        process3 dnsIp4 23 cdn.discordapp.com 162.159.135.233, 443, 49695 CLOUDFLARENETUS United States 6->23 19 C:\Users\user\AppData\...\Refbkefruvt.exe.log, CSV 6->19 dropped 21 C:\Users\user\AppData\Roaming\eeeee.exe, PE32+ 6->21 dropped 47 Creates autostart registry keys with suspicious names 6->47 49 Writes to foreign memory regions 6->49 51 Modifies the context of a thread in another process (thread injection) 6->51 53 Injects a PE file into a foreign processes 6->53 15 MSBuild.exe 14 2 6->15         started        25 162.159.134.233, 443, 49697, 49699 CLOUDFLARENETUS United States 11->25 file5 signatures6 process7 dnsIp8 27 checkip.dyndns.org 15->27 29 checkip.dyndns.com 132.226.8.169, 49696, 80 UTMEMUS United States 15->29 31 api.telegram.org 149.154.167.220, 443, 49698 TELEGRAMRU United Kingdom 15->31 33 May check the online IP address of the machine 15->33 35 Tries to steal Mail credentials (via file / registry access) 15->35 37 Tries to harvest and steal browser information (history, passwords, etc) 15->37 signatures9
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-03 06:39:46 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
15
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger keylogger persistence stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Snake Keylogger
Snake Keylogger payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot6131487156:AAFzpoRUv23HSoE57FgrwPQiVuiha1F8Pcs/sendMessage?chat_id=6373691592
Unpacked files
SH256 hash:
0ebd3bc3035a85c16d9856235d470598e247755fb4b3744c32ac6bab6c4d311f
MD5 hash:
a58ba28556b22b42763f7e250fb0a4ee
SHA1 hash:
1736c40a3405568ea7eb99626fc6787225081eac
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 0ebd3bc3035a85c16d9856235d470598e247755fb4b3744c32ac6bab6c4d311f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments