MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c42fd1850e75b18ebacdb8e14d9c612d4c5cf554d0206ce0a7a4735f5fedd591. 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: 11


Intelligence 11 IOCs YARA 12 File information Comments

SHA256 hash: c42fd1850e75b18ebacdb8e14d9c612d4c5cf554d0206ce0a7a4735f5fedd591
SHA3-384 hash: 432dd44fe28a6461f48e9fe2eb0d4b713eaeaf728990240d7c412f7eed624d0b457bf0d38208beca52445efbc0593320
SHA1 hash: 3202c4cdfad93f3e0bdaffd0c99d9f05c9ecc545
MD5 hash: 5d880dd04c31a1ad338e4843d74ce7db
humanhash: xray-princess-sodium-tango
File name:doc03589220210903102454.pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:519'168 bytes
First seen:2021-09-19 16:49:14 UTC
Last seen:2021-09-19 17:51:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:odbL5EJZPqo3I3Lk+24C2J1LUN2ZwSeWJH3cluTznvUPh0kudnd9caTFt9Gqlcis:odbQZPqoqLk+/LOSteluTznyouSmSX7
Threatray 1'483 similar samples on MalwareBazaar
TLSH T18BB41760166E7D75C0786B3A477357E51BEEEC402A7ACF896B22F279003C6D77E42206
dhash icon 70f09a5bbaaed451 (12 x SnakeKeylogger, 3 x AgentTesla, 1 x Formbook)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
doc03589220210903102454.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-19 16:56:07 UTC
Tags:
evasion trojan snakekeylogger keylogger

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
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Creating a file in the %AppData% directory
Launching a process
Creating a file in the %temp% directory
Forced shutdown of a system process
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
Snake Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file 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
Writes to foreign memory regions
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 486009 Sample: doc03589220210903102454.pdf.exe Startdate: 19/09/2021 Architecture: WINDOWS Score: 100 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 6 other signatures 2->69 7 uyfdfgh.exe 3 2->7         started        10 doc03589220210903102454.pdf.exe 3 2->10         started        process3 signatures4 71 Multi AV Scanner detection for dropped file 7->71 73 Machine Learning detection for dropped file 7->73 75 Writes to foreign memory regions 7->75 12 vbc.exe 2 7->12         started        16 cmd.exe 1 7->16         started        18 cmd.exe 1 7->18         started        20 cmd.exe 1 7->20         started        77 Allocates memory in foreign processes 10->77 79 Injects a PE file into a foreign processes 10->79 22 vbc.exe 15 2 10->22         started        24 cmd.exe 3 10->24         started        27 cmd.exe 1 10->27         started        29 cmd.exe 1 10->29         started        process5 dnsIp6 51 checkip.dyndns.org 12->51 53 158.101.44.242, 49739, 80 ORACLE-BMC-31898US United States 12->53 55 104.21.19.200, 443, 49740 CLOUDFLARENETUS United States 12->55 81 Tries to steal Mail credentials (via file access) 12->81 83 Tries to harvest and steal ftp login credentials 12->83 85 Tries to harvest and steal browser information (history, passwords, etc) 12->85 31 conhost.exe 16->31         started        33 schtasks.exe 1 16->33         started        35 conhost.exe 18->35         started        37 conhost.exe 20->37         started        57 checkip.dyndns.org 22->57 59 checkip.dyndns.com 216.146.43.70, 49736, 49737, 80 DYNDNSUS United States 22->59 61 freegeoip.app 172.67.188.154, 443, 49738 CLOUDFLARENETUS United States 22->61 87 May check the online IP address of the machine 22->87 47 C:\Users\user\AppData\Roaming\uyfdfgh.exe, PE32 24->47 dropped 49 C:\Users\user\...\uyfdfgh.exe:Zone.Identifier, ASCII 24->49 dropped 39 conhost.exe 24->39         started        89 Uses schtasks.exe or at.exe to add and modify task schedules 27->89 41 conhost.exe 27->41         started        43 schtasks.exe 1 27->43         started        45 conhost.exe 29->45         started        file7 signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-16 06:03:00 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger keylogger stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Uses the VBS compiler for execution
Executes dropped EXE
Snake Keylogger
Unpacked files
SH256 hash:
5cdddc20a4b8585ccb5dc83e9676a9d2350cbdaac7dc36d17dccf4212878e3ac
MD5 hash:
5627540b8d89ef1e3897054189a8e6c4
SHA1 hash:
3aed5c24830097be8964419d8d4457b11ae07001
SH256 hash:
c42fd1850e75b18ebacdb8e14d9c612d4c5cf554d0206ce0a7a4735f5fedd591
MD5 hash:
5d880dd04c31a1ad338e4843d74ce7db
SHA1 hash:
3202c4cdfad93f3e0bdaffd0c99d9f05c9ecc545
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_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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_Referenfces_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
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Author:lsepaolo

File information


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

Malspam

SnakeKeylogger

Executable exe c42fd1850e75b18ebacdb8e14d9c612d4c5cf554d0206ce0a7a4735f5fedd591

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments