MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b966a4b7e420e922ebe8ad8f77bf30b86704fe6b9c89021c56f898f566434d0. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 8b966a4b7e420e922ebe8ad8f77bf30b86704fe6b9c89021c56f898f566434d0
SHA3-384 hash: 4717751bb83ad5d43cca8c378a2d2eac8db66fa9ef6c250cb10a14761de4e93bdd0ee7ac9982e5abd0bace439a500bd7
SHA1 hash: 4aaf29237657e6d70d973fd798e17820dba44802
MD5 hash: d06a514024378590d7308102ce8423d0
humanhash: nineteen-queen-november-lion
File name:rFactura_pdf.exe
Download: download sample
Signature SnakeKeylogger
File size:518'656 bytes
First seen:2024-07-29 17:52:20 UTC
Last seen:2024-07-29 18:32:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:DgHaK+jd5W0wmTyr8NEjxfE/DuwW3h7aq/DrBpcm:eaxKH8/DuwmmSDtd
Threatray 299 similar samples on MalwareBazaar
TLSH T1F0B42309B79EDBE2C1EC5F75455053A10B7F61C976F8EB1C2D4410ADB8926AA0EC33A3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter FXOLabs
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
357
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
nFactura_pdf.z
Verdict:
No threats detected
Analysis date:
2024-07-29 17:54:28 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Discovery Execution Network Static Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Forced shutdown of a browser
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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 contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1484232 Sample: rFactura_pdf.exe Startdate: 29/07/2024 Architecture: WINDOWS Score: 100 50 reallyfreegeoip.org 2->50 52 mail.aireacondicionadoibiza.com 2->52 54 3 other IPs or domains 2->54 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus / Scanner detection for submitted sample 2->66 70 10 other signatures 2->70 8 rFactura_pdf.exe 7 2->8         started        12 kLhYTZpw.exe 5 2->12         started        signatures3 68 Tries to detect the country of the analysis system (by using the IP) 50->68 process4 file5 42 C:\Users\user\AppData\Roaming\kLhYTZpw.exe, PE32 8->42 dropped 44 C:\Users\...\kLhYTZpw.exe:Zone.Identifier, ASCII 8->44 dropped 46 C:\Users\user\AppData\Local\...\tmp1D42.tmp, XML 8->46 dropped 48 C:\Users\user\...\rFactura_pdf.exe.log, ASCII 8->48 dropped 72 Uses schtasks.exe or at.exe to add and modify task schedules 8->72 74 Adds a directory exclusion to Windows Defender 8->74 76 Injects a PE file into a foreign processes 8->76 14 rFactura_pdf.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        78 Antivirus detection for dropped file 12->78 80 Multi AV Scanner detection for dropped file 12->80 82 Machine Learning detection for dropped file 12->82 24 kLhYTZpw.exe 12->24         started        26 schtasks.exe 12->26         started        28 kLhYTZpw.exe 12->28         started        30 kLhYTZpw.exe 12->30         started        signatures6 process7 dnsIp8 56 aireacondicionadoibiza.com 198.20.126.132, 49745, 49746, 587 SINGLEHOP-LLCUS United States 14->56 58 reallyfreegeoip.org 188.114.96.3, 443, 49711, 49712 CLOUDFLARENETUS European Union 14->58 60 checkip.dyndns.com 193.122.6.168, 49706, 49709, 49715 ORACLE-BMC-31898US United States 14->60 84 Loading BitLocker PowerShell Module 18->84 32 WmiPrvSE.exe 18->32         started        34 conhost.exe 18->34         started        36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        86 Tries to steal Mail credentials (via file / registry access) 24->86 88 Tries to harvest and steal browser information (history, passwords, etc) 24->88 40 conhost.exe 26->40         started        signatures9 process10
Threat name:
Win32.Spyware.Snakekeylogger
Status:
Malicious
First seen:
2024-07-26 14:50:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection credential_access discovery execution keylogger spyware stealer
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
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 local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Credentials from Password Stores: Credentials from Web Browsers
Snake Keylogger
Snake Keylogger payload
Unpacked files
SH256 hash:
d1b7503d102f7db3a5be41f720b63a2f8ba6e87de5b9231773750710dd90a8c7
MD5 hash:
e1184ed5e43fec8af9a7aca7447e15bf
SHA1 hash:
b7114853ce1bfa8e590445db19d3df91b1d4cadd
SH256 hash:
39d7476e012f4c4c9252af88cfdf03ae469d9f23eab99996d2cf237aa0f1f6e5
MD5 hash:
28f0690ead0b7e6a9a509933a4b823af
SHA1 hash:
6d451b9e7455bb5f8672b915af3e91a5738d9355
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
440d9d9aa8c55da8bb1bef2db5374644c6b609f71defb3edc4b76160d928bbc3
MD5 hash:
e62005df359015fa466295bf1f1c38d2
SHA1 hash:
6a6818e80b75db59221e253fa7746ebfe0586ed6
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
788c572218c146d3b52099e923be408bc38cf225d7b618bce07e871b4fa3a610
MD5 hash:
eec55d7b2ac709a21ad48079fa12a784
SHA1 hash:
5421559454fec28265127954e73e9acc33bb1703
Detections:
snake_keylogger win_404keylogger_g1 MAL_Envrial_Jan18_1
SH256 hash:
8b966a4b7e420e922ebe8ad8f77bf30b86704fe6b9c89021c56f898f566434d0
MD5 hash:
d06a514024378590d7308102ce8423d0
SHA1 hash:
4aaf29237657e6d70d973fd798e17820dba44802
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:NET
Author:malware-lu
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 8b966a4b7e420e922ebe8ad8f77bf30b86704fe6b9c89021c56f898f566434d0

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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