MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21777e7d8c275e5e9fc22a08172bfd5b9872340f46523df83bf2dd7a4b611dd2. 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: 15


Intelligence 15 IOCs YARA 13 File information Comments

SHA256 hash: 21777e7d8c275e5e9fc22a08172bfd5b9872340f46523df83bf2dd7a4b611dd2
SHA3-384 hash: 183f72f601c279404a3e49eeb26e0e1bc1d33f29a4199c8b1f033951339bf820ccba579a83ffb67ad0431adb6e171dbd
SHA1 hash: 42e0ea78388c594e6abab63c37464f71ed234f58
MD5 hash: c484332886c809a3452f19103ce0cfc7
humanhash: zebra-uncle-ack-minnesota
File name:Shipping Documents.pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:637'952 bytes
First seen:2023-04-24 13:35:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:NOdlpV5YHhorPTfFZyN8TyjbduPk8RwctUO8D9ko:NKAKfysdk46Bk
Threatray 387 similar samples on MalwareBazaar
TLSH T1B0D4BE2B222AD5B6D55E52B3D0E517FB0F6C2ECAED7590431BACBCD832723B91B48411
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
271
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping Documents.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-24 13:36:27 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
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
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.
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
Snake Keylogger, StormKitty
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 852969 Sample: Shipping_Documents.pdf.exe Startdate: 24/04/2023 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 11 other signatures 2->61 7 Shipping_Documents.pdf.exe 7 2->7         started        11 tjyThmp.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\Roaming\tjyThmp.exe, PE32 7->35 dropped 37 C:\Users\user\...\tjyThmp.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp14C6.tmp, XML 7->39 dropped 41 C:\Users\...\Shipping_Documents.pdf.exe.log, ASCII 7->41 dropped 63 May check the online IP address of the machine 7->63 65 Uses schtasks.exe or at.exe to add and modify task schedules 7->65 67 Adds a directory exclusion to Windows Defender 7->67 13 Shipping_Documents.pdf.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 19 7->19         started        21 schtasks.exe 1 7->21         started        69 Multi AV Scanner detection for dropped file 11->69 71 Machine Learning detection for dropped file 11->71 23 tjyThmp.exe 11->23         started        25 schtasks.exe 11->25         started        signatures5 process6 dnsIp7 43 checkip.dyndns.com 193.122.6.168, 49685, 80 ORACLE-BMC-31898US United States 13->43 45 checkip.dyndns.org 13->45 47 api.telegram.org 149.154.167.220, 443, 49687, 49713 TELEGRAMRU United Kingdom 13->47 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        49 132.226.247.73, 49694, 80 UTMEMUS United States 23->49 51 checkip.dyndns.org 23->51 53 192.168.2.1 unknown unknown 23->53 73 Tries to steal Mail credentials (via file / registry access) 23->73 75 Tries to harvest and steal browser information (history, passwords, etc) 23->75 33 conhost.exe 25->33         started        signatures8 process9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-04-24 07:30:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:snakekeylogger family:stormkitty collection keylogger spyware stealer
Behaviour
Creates scheduled task(s)
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
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot6029559841:AAEqr8_NCfqapJgAzw8PoPbqoCosnsk1VO0/sendMessage?chat_id=6033043077
Unpacked files
SH256 hash:
334fd69bd3d0f6c437deef2d3e3d96bbbebb6bdcd802bf0d5b99f49039bb572e
MD5 hash:
8876b8e25d088d6439506705712c042b
SHA1 hash:
d3acbf755462fbc69f1bad33333372775f57eb53
SH256 hash:
ad1880cf2f38b954cac4775fc4298de1a2853be8ede3d392d15a0be0de5b0aad
MD5 hash:
ac7c1c01e4e752b02edddfaa8c4ebd8d
SHA1 hash:
633d1902c6bceb6da647a765ec1570d7857206e3
SH256 hash:
ca54876ce50cb573f6a1a05c1860e98df7e374782cb2a7fb012e24bc8beacc63
MD5 hash:
8b4ce025213fc7e1113bd5a38f387fab
SHA1 hash:
469c4ca35e7721557e7b8cbb39382107a03fc6a5
SH256 hash:
5e5c8fe4e53980a98b48fe6b19155edf0f0d285ed899c61dbf4f880583ddf1d2
MD5 hash:
b3bbc5461d12f07ea893bf415dfe7c89
SHA1 hash:
40c3156c471d2afe3fd88c7d20cf93e5782e1bd6
SH256 hash:
21777e7d8c275e5e9fc22a08172bfd5b9872340f46523df83bf2dd7a4b611dd2
MD5 hash:
c484332886c809a3452f19103ce0cfc7
SHA1 hash:
42e0ea78388c594e6abab63c37464f71ed234f58
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: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_DotNetProcHook
Author:ditekSHen
Description:Detects executables with potential process hoocking
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_Win_SnakeKeylogger
Author:ditekSHen
Description:Detects Snake Keylogger
Rule name:MAL_Envrial_Jan18_1
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:XWorm_Hunter
Author:Potato

File information


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

  
Delivery method
Other

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