MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef8351385a327e1883639d1fc36d8e806f4d9f601e4630912763611b16213bb0. 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 2 File information Comments

SHA256 hash: ef8351385a327e1883639d1fc36d8e806f4d9f601e4630912763611b16213bb0
SHA3-384 hash: 3c140e4bdc3b94852a69d5d91e71ffa258cb0a7dc78798d6243be12594b90b6202f4290aaa1637c418777614af81f4b5
SHA1 hash: 1c2ee82d5ea4c1c276df26a4959e71c111c0f8fd
MD5 hash: 2a19d364c0e9cc0d3eebf79170bd42df
humanhash: asparagus-seven-ceiling-mango
File name:file.exe
Download: download sample
Signature SnakeKeylogger
File size:389'120 bytes
First seen:2022-08-25 10:40:14 UTC
Last seen:2022-08-25 13:44:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:WsYacCsAdloOWla+KCCHFE1odfl99PozNLEgA3yAkPTWCB4lh:WsHc+rg4FuohyhLZA3VCqW4lh
Threatray 4'322 similar samples on MalwareBazaar
TLSH T1AF84F3716E57A049C0FE87F5399A92039FEE6DED18B9C356203433390EF539D8942276
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0cc96e8cce8d4f0 (18 x SnakeKeylogger, 5 x Formbook, 5 x Loki)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2022-08-25 10:45:34 UTC
Tags:
evasion trojan snake

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
Launching a process
Creating a process with a hidden window
Creating a file in the system32 subdirectories
Creating a file
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Reading critical registry keys
Creating a window
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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:
AsyncRAT, Snake Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Encrypted powershell cmdline option found
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
Snort IDS alert for network traffic
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 harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 690128 Sample: file.exe Startdate: 25/08/2022 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Yara detected Telegram RAT 2->40 42 8 other signatures 2->42 7 file.exe 15 7 2->7         started        process3 dnsIp4 26 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49684 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 7->26 28 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49683 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 7->28 30 3 other IPs or domains 7->30 20 C:\Users\user\AppData\Roaming\...\cloud.exe, PE32 7->20 dropped 22 C:\Users\user\...\cloud.exe:Zone.Identifier, ASCII 7->22 dropped 24 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 7->24 dropped 44 Creates an undocumented autostart registry key 7->44 46 Encrypted powershell cmdline option found 7->46 48 Writes to foreign memory regions 7->48 50 2 other signatures 7->50 12 MSBuild.exe 14 2 7->12         started        16 powershell.exe 17 7->16         started        file5 signatures6 process7 dnsIp8 32 checkip.dyndns.com 132.226.8.169, 49685, 80 UTMEMUS United States 12->32 34 checkip.dyndns.org 12->34 52 May check the online IP address of the machine 12->52 54 Tries to steal Mail credentials (via file / registry access) 12->54 56 Tries to harvest and steal ftp login credentials 12->56 58 Tries to harvest and steal browser information (history, passwords, etc) 12->58 18 conhost.exe 16->18         started        signatures9 process10
Threat name:
Win32.Downloader.Seraph
Status:
Malicious
First seen:
2022-08-25 10:41:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 26 (84.62%)
Threat level:
  3/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Snake Keylogger
Snake Keylogger payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot5727446633:AAGKgEJWHQ-KPahVKMlPAVkLFxXcegVKmhA/sendMessage?chat_id=5499310731
Unpacked files
SH256 hash:
ef8351385a327e1883639d1fc36d8e806f4d9f601e4630912763611b16213bb0
MD5 hash:
2a19d364c0e9cc0d3eebf79170bd42df
SHA1 hash:
1c2ee82d5ea4c1c276df26a4959e71c111c0f8fd
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

SnakeKeylogger

Executable exe ef8351385a327e1883639d1fc36d8e806f4d9f601e4630912763611b16213bb0

(this sample)

  
Delivery method
Distributed via e-mail attachment

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