MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 433cb2143587bacd21ada6c2c15ca014a20d3a1f5f78c495e307f81442f2a382. 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: 433cb2143587bacd21ada6c2c15ca014a20d3a1f5f78c495e307f81442f2a382
SHA3-384 hash: 0f2728b1cc407982b4d3ab5f150e3bf934b24cde089b8ddf5bffd96b1a3bb602bfef7ade47ba7372aee5aceab0a3a86b
SHA1 hash: b72a63af6a0a621fa8048682b5b0ad55d0b8c6b7
MD5 hash: c3d73525db4b29d5e18de567b004a4d4
humanhash: burger-september-yankee-network
File name:Proforma.exe
Download: download sample
Signature SnakeKeylogger
File size:925'696 bytes
First seen:2024-08-06 12:39:44 UTC
Last seen:2024-08-06 13:24:51 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:RNta0s5YgbYRQd7jAwqOzIerz4LSODhmdEeX+WhU7Y3XpBfLSj3wivvnNdAA:oL3co9OFmeWKM3XP2pHnHA
Threatray 940 similar samples on MalwareBazaar
TLSH T188159ED17398952FCA9F42BBE0324C9757A3E44D6E66864C1884FF6F3C2274A88136D7
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 6cecccccb4c2f2b2 (38 x AgentTesla, 30 x Formbook, 24 x PythonStealer)
Reporter malwarelabnet
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
355
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma.exe
Verdict:
Malicious activity
Analysis date:
2024-08-06 12:42:19 UTC
Tags:
evasion snake keylogger stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Discovery Execution Generic Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Reading critical registry keys
Forced shutdown of a browser
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
Bypasses PowerShell execution policy
Creates executable files without a name
Drops PE files to the startup folder
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
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
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
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)
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1488752 Sample: Proforma.exe Startdate: 06/08/2024 Architecture: WINDOWS Score: 100 38 reallyfreegeoip.org 2->38 40 checkip.dyndns.org 2->40 42 checkip.dyndns.com 2->42 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for dropped file 2->64 68 10 other signatures 2->68 8 Proforma.exe 3 2->8         started        12 .exe 3 2->12         started        14 svchost.exe 1 1 2->14         started        signatures3 66 Tries to detect the country of the analysis system (by using the IP) 38->66 process4 dnsIp5 36 C:\Users\user\AppData\...\Proforma.exe.log, ASCII 8->36 dropped 70 Bypasses PowerShell execution policy 8->70 17 powershell.exe 13 8->17         started        21 Proforma.exe 15 2 8->21         started        72 Injects a PE file into a foreign processes 12->72 24 .exe 14 2 12->24         started        26 powershell.exe 11 12->26         started        48 127.0.0.1 unknown unknown 14->48 file6 signatures7 process8 dnsIp9 32 C:\Users\user\AppData\Roaming\...\.exe, PE32 17->32 dropped 34 C:\Users\user\...\.exe:Zone.Identifier, ASCII 17->34 dropped 50 Creates executable files without a name 17->50 52 Drops PE files to the startup folder 17->52 54 Powershell drops PE file 17->54 28 conhost.exe 17->28         started        44 reallyfreegeoip.org 188.114.97.3, 443, 49707, 49709 CLOUDFLARENETUS European Union 21->44 46 checkip.dyndns.com 132.226.247.73, 49704, 49710, 49712 UTMEMUS United States 21->46 56 Tries to steal Mail credentials (via file / registry access) 24->56 58 Tries to harvest and steal browser information (history, passwords, etc) 24->58 30 conhost.exe 26->30         started        file10 signatures11 process12
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-08-06 10:33:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
snakekeylogger
Score:
  10/10
Tags:
family:snakekeylogger collection credential_access discovery execution keylogger spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Drops startup file
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Credentials from Password Stores: Credentials from Web Browsers
Snake Keylogger
Snake Keylogger payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot7417344719:AAFjGftgLvQWujAYiCSh8xu2YSSnzJXasq4/sendMessage?chat_id=6452398890
Unpacked files
SH256 hash:
491f34f19da8130ae4d517fa0a25f19477c67ba12c9a185e9b02f70dcc3f6894
MD5 hash:
096e646868edba7b2ce7b01d80ac4831
SHA1 hash:
fa0f30d44430783ebcf443f4f1fadae8560b7130
SH256 hash:
45c7b64a55dca23ee1239649e03a7c361813dbcfc2a0817b0d8e94c907d6ed4b
MD5 hash:
fb1bc19121c4e190d83672bc71b493f0
SHA1 hash:
c3488b969ba578e28ee360be24b6416425a224a0
SH256 hash:
f5202f5461f76a3ded902ebe8d86cc7e7ddcdc4704fece29b0e7d33de268d929
MD5 hash:
16c4654099425a76948b8ef033e34fa0
SHA1 hash:
8670aee86cccaa1eeb2d68ced9fd1c416c576f5f
Detections:
snake_keylogger win_404keylogger_g1 MAL_Envrial_Jan18_1
SH256 hash:
433cb2143587bacd21ada6c2c15ca014a20d3a1f5f78c495e307f81442f2a382
MD5 hash:
c3d73525db4b29d5e18de567b004a4d4
SHA1 hash:
b72a63af6a0a621fa8048682b5b0ad55d0b8c6b7
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.

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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