MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1f2fc828447090bb545580ee2d46919e8a96377a792f2207af3456e119a5d05. 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: c1f2fc828447090bb545580ee2d46919e8a96377a792f2207af3456e119a5d05
SHA3-384 hash: a6bda9e74233c2e95f9b8466e5700630976b5d673392e07947c7f8ba0810d3ec32aa23155594e9523d9c730c249dd071
SHA1 hash: 3272dafcf5e6f8c3f529eeaccf86167932538556
MD5 hash: 705e4d2fd8b2a1f4c04a44e2ad7f0022
humanhash: mirror-timing-potato-kilo
File name:Halkbank_Ekstre_20220315_15483269.pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:898'048 bytes
First seen:2022-03-15 08:58:29 UTC
Last seen:2022-03-15 12:23:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:HTz1gwOnvZEbnFEiq4uryjnjs3IfwuOaA:H31gfnvZEzFEwuss3HuO
Threatray 3'933 similar samples on MalwareBazaar
TLSH T1AC15DFAC32C47D9EC623CD76C9642C54EA3170BA6B07D207A107159D9A5DBEBEF102E3
Reporter lowmal3
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
4
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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 references suspicious native API functions
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
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Double Extension
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)
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
Yara detected AntiVM3
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 589315 Sample: Halkbank_Ekstre_20220315_15... Startdate: 15/03/2022 Architecture: WINDOWS Score: 100 32 mail.galaosgb.com 2->32 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 11 other signatures 2->46 8 Halkbank_Ekstre_20220315_15483269.pdf.exe 7 2->8         started        signatures3 process4 file5 24 C:\Users\user\AppData\Roaming\HkVvZRn.exe, PE32 8->24 dropped 26 C:\Users\user\...\HkVvZRn.exe:Zone.Identifier, ASCII 8->26 dropped 28 C:\Users\user\AppData\Local\...\tmpD083.tmp, XML 8->28 dropped 30 Halkbank_Ekstre_20...5483269.pdf.exe.log, ASCII 8->30 dropped 48 May check the online IP address of the machine 8->48 50 Uses schtasks.exe or at.exe to add and modify task schedules 8->50 52 Adds a directory exclusion to Windows Defender 8->52 12 Halkbank_Ekstre_20220315_15483269.pdf.exe 15 5 8->12         started        16 powershell.exe 23 8->16         started        18 schtasks.exe 1 8->18         started        signatures6 process7 dnsIp8 34 mail.galaosgb.com 160.153.133.150, 49797, 49800, 49801 GODADDY-AMSDE United States 12->34 36 checkip.dyndns.org 12->36 38 2 other IPs or domains 12->38 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 20 conhost.exe 16->20         started        22 conhost.exe 18->22         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Snakekeylogger
Status:
Malicious
First seen:
2022-03-15 08:59:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger Payload
Unpacked files
SH256 hash:
4ffb59b76867dc3ee5df8b1476a82043c8bbfa9679aa90a2e4b937292b3722b8
MD5 hash:
fc6d91ff314356715f5c76ba61240c9f
SHA1 hash:
aac8291f9af1c2e18b8302550ee4d1c96120949a
SH256 hash:
2c98bba0a91092ebb4631ddcc873f252601a57884d67f8631bdad6d5f89df5b5
MD5 hash:
5f7df144da6779591b9660d93883ce2f
SHA1 hash:
56017e495327e17753e1d90b8af44186c14b1bc7
SH256 hash:
a8535f39c123c304254d03b0ee1764af0b061a45eabfc85d0f7622dfce53ce09
MD5 hash:
09740af60c7246630202a4544f9fe074
SHA1 hash:
53554e441fff891ba3dd8b0ff747806085c0f01d
SH256 hash:
4a1fcf54c2da86f79122a2e8f8fce62c85de2dad0794bae0c8fd219f6d0ead9e
MD5 hash:
6bfe40845d2691109d9b610affb3855d
SHA1 hash:
0674d0542705fb38c959423a00a96e892882be9d
SH256 hash:
c1f2fc828447090bb545580ee2d46919e8a96377a792f2207af3456e119a5d05
MD5 hash:
705e4d2fd8b2a1f4c04a44e2ad7f0022
SHA1 hash:
3272dafcf5e6f8c3f529eeaccf86167932538556
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 c1f2fc828447090bb545580ee2d46919e8a96377a792f2207af3456e119a5d05

(this sample)

  
Delivery method
Distributed via e-mail attachment

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