MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 731523e50d68d20fb75e234c107ecbb8e39f2d7115cc1795e73eca399c548a84. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 731523e50d68d20fb75e234c107ecbb8e39f2d7115cc1795e73eca399c548a84
SHA3-384 hash: ad5a770fb27d50edd1867dbeaeea426e484f2e640bde92ed84de16509c318d546088c5c4061f6d39a6f14b9f74f6148c
SHA1 hash: d0930220daced19a0000a3971e5f17a1192d1f1d
MD5 hash: 9d69f27b49d325ccb989a8fa33bf0053
humanhash: blue-nine-lithium-vermont
File name:Solicitação de cotação.bat
Download: download sample
Signature SnakeKeylogger
File size:839'680 bytes
First seen:2024-11-06 06:49:10 UTC
Last seen:2024-11-06 08:36:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:8l7YdUrL47qgWLvlgmoPEG9cjquHUdn6+XXlTFQSMeAKFhxZ0xHX2:CEU47IvlgmoPvqjq426A/AKTxZ0hm
Threatray 394 similar samples on MalwareBazaar
TLSH T14405BDC03A367B19DEB857F18A25DDB107B519687416FAE24EDE77C33099B01AA08F43
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
Reporter abuse_ch
Tags:bat exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
400
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Solicitaodecotao.bat.exe
Verdict:
Malicious activity
Analysis date:
2024-11-06 06:56:34 UTC
Tags:
evasion snake keylogger telegram

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
powershell backdoor exploit 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
Creating a process from a recently created file
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Forced shutdown of a browser
Result
Verdict:
UNKNOWN
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, VIP 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
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
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1549880 Sample: Solicita#U00e7#U00e3o de co... Startdate: 06/11/2024 Architecture: WINDOWS Score: 100 52 reallyfreegeoip.org 2->52 54 api.telegram.org 2->54 56 2 other IPs or domains 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 68 12 other signatures 2->68 8 Solicita#U00e7#U00e3o de cota#U00e7#U00e3o.bat.exe 7 2->8         started        12 nKzgBhPm.exe 2->12         started        signatures3 64 Tries to detect the country of the analysis system (by using the IP) 52->64 66 Uses the Telegram API (likely for C&C communication) 54->66 process4 file5 38 C:\Users\user\AppData\Roaming\nKzgBhPm.exe, PE32 8->38 dropped 40 C:\Users\...\nKzgBhPm.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpEE08.tmp, XML 8->42 dropped 44 Solicita#U00e7#U00...#U00e3o.bat.exe.log, ASCII 8->44 dropped 70 Adds a directory exclusion to Windows Defender 8->70 72 Injects a PE file into a foreign processes 8->72 14 powershell.exe 23 8->14         started        17 Solicita#U00e7#U00e3o de cota#U00e7#U00e3o.bat.exe 15 2 8->17         started        20 powershell.exe 23 8->20         started        26 2 other processes 8->26 74 Multi AV Scanner detection for dropped file 12->74 76 Machine Learning detection for dropped file 12->76 22 nKzgBhPm.exe 12->22         started        24 schtasks.exe 12->24         started        signatures6 process7 dnsIp8 78 Loading BitLocker PowerShell Module 14->78 28 conhost.exe 14->28         started        30 WmiPrvSE.exe 14->30         started        46 checkip.dyndns.com 132.226.8.169, 49733, 49738, 49740 UTMEMUS United States 17->46 48 api.telegram.org 149.154.167.220, 443, 57319, 57325 TELEGRAMRU United Kingdom 17->48 50 reallyfreegeoip.org 188.114.97.3, 443, 49735, 49737 CLOUDFLARENETUS European Union 17->50 32 conhost.exe 20->32         started        80 Tries to steal Mail credentials (via file / registry access) 22->80 82 Tries to harvest and steal browser information (history, passwords, etc) 22->82 34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        signatures9 process10
Threat name:
ByteCode-MSIL.Spyware.Snakekeylogger
Status:
Malicious
First seen:
2024-11-05 07:30:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
21 of 38 (55.26%)
Threat level:
  2/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection 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
Browser Information Discovery
Enumerates physical storage devices
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
VIPKeylogger
Vipkeylogger family
Unpacked files
SH256 hash:
b0ba603c68b8945a5164e3b010736ebf30199fec01e14b9ddd42c9f29e0716e5
MD5 hash:
1b8c32f7b01dbedb36b8407b6dd379cb
SHA1 hash:
8a7aed13cc19240de996cfa38dbc4572557f4b04
Detections:
win_404keylogger_g1 INDICATOR_SUSPICIOUS_EXE_TelegramChatBot MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_DotNetProcHook INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
SH256 hash:
75614dd056e808915ad6d87c9e6e11ec958d778a822eeb8bd09577c330127844
MD5 hash:
0401b4d2cc92643b9ca943eb59d0f770
SHA1 hash:
8145fb2058e709f9eb1b6af2a4032a8ebe38be53
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SH256 hash:
f293b7e95dd548b72443a6b4fb966234c5c338aee71cdf1c9fddb27fbdda929c
MD5 hash:
52bb9605ca6f138c3f1cb62da540e1c1
SHA1 hash:
80422249fea9bbf398cd3fdc93b010453d2dc062
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
731523e50d68d20fb75e234c107ecbb8e39f2d7115cc1795e73eca399c548a84
MD5 hash:
9d69f27b49d325ccb989a8fa33bf0053
SHA1 hash:
d0930220daced19a0000a3971e5f17a1192d1f1d
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.

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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