MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfda08d0d131008a1773c627f0508e861101d642bb66ce531a165452bf57a115. 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: cfda08d0d131008a1773c627f0508e861101d642bb66ce531a165452bf57a115
SHA3-384 hash: de2bd029f0f31e87d03462e0b1f2df5b57c3ea38681be52a8c265ecc9493dadb08c97cbb2815bfe79ac99fc2b4b75aeb
SHA1 hash: 3825ffe205a2b0b9962f545e387a0daa98a9bce3
MD5 hash: 181d48810bf9b958d81c73dcb26ee059
humanhash: oregon-crazy-shade-green
File name:PROFORMA.pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:618'496 bytes
First seen:2022-01-21 05:21:59 UTC
Last seen:2022-01-21 06:53:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:axbuzVpQhqwIpq+KNIchtLSjq6+ievYF:tpQ5I8XIe6+ievYF
Threatray 2'357 similar samples on MalwareBazaar
TLSH T15ED4CF4033F98B01D57E8BFA8875009017BEBA0AA875E71F5DD1B1DF0DB2B819A26753
File icon (PE):PE icon
dhash icon 1efef2c2e4a0e0e0 (16 x AgentTesla, 3 x Formbook, 3 x Loki)
Reporter GovCERT_CH
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
expand.exe ftp.exe obfuscated packed remote.exe shell32.dll
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
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: Powershell Defender Exclusion
Sigma detected: Suspicious Double Extension
Sigma detected: Suspicius Add Task From User AppData Temp
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
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 557450 Sample: PROFORMA.pdf.exe Startdate: 21/01/2022 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for dropped file 2->41 43 12 other signatures 2->43 7 PROFORMA.pdf.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\...\oOpkIAZduhcN.exe, PE32 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmpD076.tmp, XML 7->27 dropped 29 C:\Users\user\...\PROFORMA.pdf.exe.log, ASCII 7->29 dropped 45 May check the online IP address of the machine 7->45 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 Adds a directory exclusion to Windows Defender 7->49 11 PROFORMA.pdf.exe 15 2 7->11         started        15 powershell.exe 24 7->15         started        17 schtasks.exe 1 7->17         started        19 PROFORMA.pdf.exe 7->19         started        signatures5 process6 dnsIp7 31 checkip.dyndns.org 11->31 33 api.telegram.org 149.154.167.220, 443, 49770, 49771 TELEGRAMRU United Kingdom 11->33 35 3 other IPs or domains 11->35 51 Tries to steal Mail credentials (via file / registry access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-21 05:22:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
54
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger persistence spyware stealer
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
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 data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Sets service image path in registry
Snake Keylogger
Snake Keylogger Payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot5055289018:AAFLCTFI2lBk4x-5BsWLWI_UJ1-32AB_2p8/sendMessage?chat_id=1856108848
Unpacked files
SH256 hash:
7633940b97e9339049b29035b220e9939ca93a0bf01cf632c2ffdaf2a6716b57
MD5 hash:
d3d3b206ec3b668abeb7fb1cfa4aa95e
SHA1 hash:
c6e5a3f77ae2590f1282af288ddeb46c9f60c3a1
SH256 hash:
b094430d82ea5b31510b25ffadd0810ebb8b17094319fd29e1968f93b2319cd3
MD5 hash:
ed3630f32582fef7eb4dd7a306beffd3
SHA1 hash:
87d6bb24ba7be0680d0056985af0cfcc8987bc6e
SH256 hash:
bcc120c131a95bd62fd9b3e8879c8fea84ac6227ef370aaae0c87de0b2ff35d7
MD5 hash:
cfd40088e94899d7f2b151ebf3c98a57
SHA1 hash:
838bfbf2a499c041ad1585a4fb96eafb15501c34
SH256 hash:
cfda08d0d131008a1773c627f0508e861101d642bb66ce531a165452bf57a115
MD5 hash:
181d48810bf9b958d81c73dcb26ee059
SHA1 hash:
3825ffe205a2b0b9962f545e387a0daa98a9bce3
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 cfda08d0d131008a1773c627f0508e861101d642bb66ce531a165452bf57a115

(this sample)

  
Dropped by
snakekeylogger
  
Delivery method
Distributed via e-mail attachment

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