MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 841f81abd8260726e9bab814520cee935e625881b4ce6c875977141d0191531f. 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: 16


Intelligence 16 IOCs YARA 19 File information Comments

SHA256 hash: 841f81abd8260726e9bab814520cee935e625881b4ce6c875977141d0191531f
SHA3-384 hash: a565b6a0e9224b821fab3bbc67ff18a3ea37f227782e7c046b19b2fca5526a98f4f521f66bd2080aa87222e688a35087
SHA1 hash: 08a8986cf552128897247f05991885100efd1221
MD5 hash: bd2343fdeb60b1cc0706c2bc1de489dc
humanhash: jupiter-tennis-lactose-xray
File name:Purchase order0204.exe
Download: download sample
Signature SnakeKeylogger
File size:760'328 bytes
First seen:2025-04-02 13:04:49 UTC
Last seen:2025-04-02 19:37:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:YpFs1hSFlsxGXlPfzZKEykNpYEtXJsIdHexYG8yTb/yatNj6RazkbZ2YkR:CaK2yxDn9hJTdG8ybNj6R8P
Threatray 1'010 similar samples on MalwareBazaar
TLSH T1FEF401686704DA07C9A0A7F446B2F2B507FD5EDEB901C3125FE9ADEFB8A2B110D04587
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 James_inthe_box
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
3
# of downloads :
1'174
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER.eml
Verdict:
Malicious activity
Analysis date:
2025-04-02 09:56:24 UTC
Tags:
attachments attc-arch arch-exec obfuscated-js

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
phonzy spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
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 file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Forced shutdown of a browser
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature masquerade obfuscated packed packed packer_detected signed vbnet
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
Found malware configuration
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
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 Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1654707 Sample: Purchase order0204.exe Startdate: 02/04/2025 Architecture: WINDOWS Score: 100 47 reallyfreegeoip.org 2->47 49 api.telegram.org 2->49 51 2 other IPs or domains 2->51 67 Suricata IDS alerts for network traffic 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 77 13 other signatures 2->77 8 Purchase order0204.exe 7 2->8         started        12 lxnekfumvT.exe 2->12         started        14 svchost.exe 2->14         started        signatures3 73 Tries to detect the country of the analysis system (by using the IP) 47->73 75 Uses the Telegram API (likely for C&C communication) 49->75 process4 dnsIp5 41 C:\Users\user\AppData\...\lxnekfumvT.exe, PE32 8->41 dropped 43 C:\Users\user\AppData\Local\Temp\tmp3D.tmp, XML 8->43 dropped 45 C:\Users\user\...\Purchase order0204.exe.log, ASCII 8->45 dropped 79 Adds a directory exclusion to Windows Defender 8->79 17 powershell.exe 23 8->17         started        20 vbc.exe 15 2 8->20         started        23 powershell.exe 23 8->23         started        25 schtasks.exe 1 8->25         started        81 Multi AV Scanner detection for dropped file 12->81 27 vbc.exe 12->27         started        29 schtasks.exe 12->29         started        59 127.0.0.1 unknown unknown 14->59 file6 signatures7 process8 dnsIp9 61 Loading BitLocker PowerShell Module 17->61 31 WmiPrvSE.exe 17->31         started        33 conhost.exe 17->33         started        53 checkip.dyndns.com 132.226.247.73, 49714, 49719, 49721 UTMEMUS United States 20->53 55 api.telegram.org 149.154.167.220, 443, 49744, 49760 TELEGRAMRU United Kingdom 20->55 57 reallyfreegeoip.org 104.21.16.1, 443, 49715, 49716 CLOUDFLARENETUS United States 20->57 35 conhost.exe 23->35         started        37 conhost.exe 25->37         started        63 Tries to steal Mail credentials (via file / registry access) 27->63 65 Tries to harvest and steal browser information (history, passwords, etc) 27->65 39 conhost.exe 29->39         started        signatures10 process11
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection discovery execution keylogger 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
Uses the VBS compiler for execution
Command and Scripting Interpreter: PowerShell
VIPKeylogger
Vipkeylogger family
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
841f81abd8260726e9bab814520cee935e625881b4ce6c875977141d0191531f
MD5 hash:
bd2343fdeb60b1cc0706c2bc1de489dc
SHA1 hash:
08a8986cf552128897247f05991885100efd1221
SH256 hash:
9f0ffd824fdc87184bb7dae851b7f19c165f61795624304ad6d0d1b18b1e6a3f
MD5 hash:
68331c032ffab7c3261285911ac89de5
SHA1 hash:
80a460d91da1d050b575e74e04648a1722090727
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
08388aa7ea44bf96e37fe9848a086c48e7860935f30ed1718e46e427a8ceb3ad
MD5 hash:
75ec0a297e8d1306f2c7b5cfe560072d
SHA1 hash:
84c6704e1541e97908b671028cbca8d186bfb4b2
Detections:
win_404keylogger_g1 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_DotNetProcHook INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
d7b5ea2efe8f743c7a57fd8c98b778ff878d4ae864c1445de453d62046ea7143
MD5 hash:
2d1bc48a428d487d4f14ba7f3b6d5bd0
SHA1 hash:
9fc7bd58c66018ef79f3c9b38d3cb2dd1e41aa1b
Malware family:
VIPKeylogger
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Author:ditekSHen
Description:Detects executables with potential process hoocking
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

SnakeKeylogger

Executable exe 841f81abd8260726e9bab814520cee935e625881b4ce6c875977141d0191531f

(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

Comments