MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f99cffdfe64625c32f7b8a6911c915c45e3c06ccd3ed4f27b89a19dffac1245c. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f99cffdfe64625c32f7b8a6911c915c45e3c06ccd3ed4f27b89a19dffac1245c
SHA3-384 hash: 840152a2f843993038664828266ca0d6f6ed30cc539febcbcf5cc4a1e66f620cd54d566a4ca11a06a0319d6ba9fbad65
SHA1 hash: e17d7ef76b255536cebd660f16e890bc952157bb
MD5 hash: 3fc344a972b00331eef533ae727aa075
humanhash: alaska-sad-zebra-oregon
File name:S011814021275597.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:1'200'568 bytes
First seen:2021-10-25 05:17:52 UTC
Last seen:2021-10-25 06:25:17 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 24576:0d/RwkxXyfNwkxXyfAwkxXyf6uC1WNu4z:gJC9JCEJC6g
TLSH T1E3457B193B847F16E43EE339A12B900443F7E006D769EB8EFEEA10CE5569F418366653
Reporter GovCERT_CH
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
3
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/199717/
Detection(s):
SecuriteInfo.com.Artemis3FC344A972B0.26416.8030.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6916a13a-c12f-4557-87f6-ecdc56878377
Result
Threat name:
Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/875943
Signature
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious names
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
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
Sigma detected: Powershell Defender Exclusion
System process connects to network (likely due to code injection or exploit)
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
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 508376 Sample: S011814021275597.exe Startdate: 25/10/2021 Architecture: WINDOWS Score: 100 72 Malicious sample detected (through community Yara rule) 2->72 74 Yara detected UAC Bypass using CMSTP 2->74 76 Yara detected Telegram RAT 2->76 78 5 other signatures 2->78 7 S011814021275597.exe 18 6 2->7         started        12 svchost.exe 2->12         started        14 svchost.exe 2->14         started        16 11 other processes 2->16 process3 dnsIp4 68 4 other IPs or domains 7->68 54 C:\Windows\Resources\Themes\...\svchost.exe, PE32 7->54 dropped 56 C:\Windows\...\svchost.exe:Zone.Identifier, ASCII 7->56 dropped 80 May check the online IP address of the machine 7->80 82 Creates autostart registry keys with suspicious names 7->82 84 Creates an autostart registry key pointing to binary in C:\Windows 7->84 86 Drops PE files with benign system names 7->86 18 powershell.exe 25 7->18         started        20 powershell.exe 23 7->20         started        22 powershell.exe 7->22         started        58 216.146.43.70, 49752, 49753, 80 DYNDNSUS United States 12->58 60 162.159.133.233, 443, 49748, 49749 CLOUDFLARENETUS United States 12->60 70 2 other IPs or domains 12->70 88 System process connects to network (likely due to code injection or exploit) 12->88 90 Machine Learning detection for dropped file 12->90 92 Adds a directory exclusion to Windows Defender 12->92 24 powershell.exe 12->24         started        26 powershell.exe 12->26         started        28 powershell.exe 12->28         started        62 193.122.130.0, 49757, 80 ORACLE-BMC-31898US United States 14->62 64 162.159.130.233, 443, 49755, 49756 CLOUDFLARENETUS United States 14->64 66 checkip.dyndns.org 14->66 94 Tries to harvest and steal ftp login credentials 14->94 96 Tries to harvest and steal browser information (history, passwords, etc) 14->96 30 powershell.exe 14->30         started        34 2 other processes 14->34 98 Changes security center settings (notifications, updates, antivirus, firewall) 16->98 32 MpCmdRun.exe 16->32         started        file5 signatures6 process7 process8 36 conhost.exe 18->36         started        38 conhost.exe 20->38         started        40 conhost.exe 22->40         started        42 conhost.exe 24->42         started        44 conhost.exe 26->44         started        46 conhost.exe 28->46         started        48 conhost.exe 30->48         started        50 conhost.exe 32->50         started        52 2 other processes 34->52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f99cffdfe64625c32f7b8a6911c915c45e3c06ccd3ed4f27b89a19dffac1245c/
Threat name:
ByteCode-MSIL.Spyware.Snakeylogger
Create hunting rule
Status:
Suspicious
First seen:
2021-10-25 05:18:05 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7gop7x7giys4gl33rjurdsivyrpdybwm2pwu6j5ytim576wberoa._file
Verdict:
unknown
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211025-fy99gaffa3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Windows directory
Accesses Microsoft Outlook profiles
Adds Run key to start application
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
Windows security modification
Snake Keylogger
Windows security bypass
Unpacked files
SH256 hash:
8f9b9aac5cb8eef357b6b1eb349ab520e7ba07a6dd00096b896613448b1cb115
MD5 hash:
cfe4738cdbc3bf10492db12ded3a308f
SHA1 hash:
c61bf5c5cb5d09ae0cd50bc678dd3e19a7d7bac4
Link:
https://www.unpac.me/results/cf01d8c1-1c07-4e84-a06d-761e8ea2ce2c/
SH256 hash:
f99cffdfe64625c32f7b8a6911c915c45e3c06ccd3ed4f27b89a19dffac1245c
MD5 hash:
3fc344a972b00331eef533ae727aa075
SHA1 hash:
e17d7ef76b255536cebd660f16e890bc952157bb
Link:
https://www.unpac.me/results/cf01d8c1-1c07-4e84-a06d-761e8ea2ce2c/
Malware family:
Phoenix
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f99cffdfe646/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/f99cffdfe64625c32f7b8a6911c915c45e3c06ccd3ed4f27b89a19dffac1245c

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_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 f99cffdfe64625c32f7b8a6911c915c45e3c06ccd3ed4f27b89a19dffac1245c

(this sample)

  
Dropped by
snakekeylogger
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/199717/

Comments