MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f16af6c4a9c6803eb1df399343edceb8a102c47297c1e9b3278c795f61d5e1e9. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments

SHA256 hash: f16af6c4a9c6803eb1df399343edceb8a102c47297c1e9b3278c795f61d5e1e9
SHA3-384 hash: 423c3e8b91f4eebb7691edade818d60147b85e993dc72abcbc23654ab676f7d3b28c2eabb73129083465256a07e50e00
SHA1 hash: 585691bd7c15100b16bc3c49f94a9f9cf9c86477
MD5 hash: 8c2f569ddc16f61e8c7b053cbd94f0b4
humanhash: leopard-burger-bluebird-delaware
File name:Contract.exe
Download: download sample
Signature SnakeKeylogger
File size:576'512 bytes
First seen:2024-07-03 22:02:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:aTOvjSANT3ukfoCJU0/Q0P3H0Nho+EHl00DE64MoQksBl7jMkZQV:aT2jFT3ukNJNPXQAHKeEXMx7Qmm
Threatray 195 similar samples on MalwareBazaar
TLSH T107C423D83BF40B7BC76E373A596F415863B15B436DB3E39A58CC60C891A23224719BD2
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter TeamDreier
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
357
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f16af6c4a9c6803eb1df399343edceb8a102c47297c1e9b3278c795f61d5e1e9.exe
Verdict:
Malicious activity
Analysis date:
2024-07-03 22:14:50 UTC
Tags:
evasion snake keylogger

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

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed vbnet
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
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Found malware configuration
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: 1467275 Sample: Contract.exe Startdate: 04/07/2024 Architecture: WINDOWS Score: 100 44 reallyfreegeoip.org 2->44 46 checkip.dyndns.org 2->46 48 checkip.dyndns.com 2->48 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Sigma detected: Scheduled temp file as task from temp location 2->58 62 9 other signatures 2->62 8 Contract.exe 7 2->8         started        12 vgTSRopQheAdCk.exe 5 2->12         started        signatures3 60 Tries to detect the country of the analysis system (by using the IP) 44->60 process4 file5 36 C:\Users\user\AppData\...\vgTSRopQheAdCk.exe, PE32 8->36 dropped 38 C:\...\vgTSRopQheAdCk.exe:Zone.Identifier, ASCII 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpC07E.tmp, XML 8->40 dropped 42 C:\Users\user\AppData\...\Contract.exe.log, ASCII 8->42 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 8->64 66 Adds a directory exclusion to Windows Defender 8->66 68 Injects a PE file into a foreign processes 8->68 14 Contract.exe 15 2 8->14         started        18 powershell.exe 21 8->18         started        20 schtasks.exe 1 8->20         started        70 Multi AV Scanner detection for dropped file 12->70 72 Machine Learning detection for dropped file 12->72 22 vgTSRopQheAdCk.exe 14 2 12->22         started        24 schtasks.exe 1 12->24         started        26 vgTSRopQheAdCk.exe 12->26         started        signatures6 process7 dnsIp8 50 reallyfreegeoip.org 188.114.97.3, 443, 49706, 49707 CLOUDFLARENETUS European Union 14->50 52 checkip.dyndns.com 193.122.130.0, 49704, 49708, 49711 ORACLE-BMC-31898US United States 14->52 74 Loading BitLocker PowerShell Module 18->74 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        76 Tries to steal Mail credentials (via file / registry access) 22->76 78 Tries to harvest and steal browser information (history, passwords, etc) 22->78 34 conhost.exe 24->34         started        signatures9 process10
Threat name:
Win32.Spyware.Snakekeylogger
Status:
Malicious
First seen:
2024-07-02 04:42:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
28 of 38 (73.68%)
Threat level:
  2/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection 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
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
Snake Keylogger
Snake Keylogger payload
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f8184ce45d5e40ad8a026e8366debcc892ece3ce13bc261b39b9652355f09ec8
MD5 hash:
58ec5ed3601b2b3a248a1a9e7e431548
SHA1 hash:
242b7a62c561e4e51c9aa093ef8bec9d890ccfbc
SH256 hash:
ba3a4af90cce785c7b9ade9171d2890682f340885a4ea05f6f982e856bf14852
MD5 hash:
fc060e5e8173ef20793214fbb07ff8c8
SHA1 hash:
144ac3e1395f1c61b2e6f9c415d08c8f14461ae2
SH256 hash:
45a8e5de6f7e7e6d0d0027a5c4b61883c8561473bc9bf94380a0d9ab37490252
MD5 hash:
be98f560e328984647572105015c2186
SHA1 hash:
0a671888b07e16bd41359b8e3bf5eb1af6bf8d93
Detections:
snake_keylogger win_404keylogger_g1 MAL_Envrial_Jan18_1 MALWARE_Win_SnakeKeylogger INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_DotNetProcHook INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
SH256 hash:
f16af6c4a9c6803eb1df399343edceb8a102c47297c1e9b3278c795f61d5e1e9
MD5 hash:
8c2f569ddc16f61e8c7b053cbd94f0b4
SHA1 hash:
585691bd7c15100b16bc3c49f94a9f9cf9c86477
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:NETexecutableMicrosoft
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 f16af6c4a9c6803eb1df399343edceb8a102c47297c1e9b3278c795f61d5e1e9

(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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