MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c7370f4f0920026c86ed605bf52d85c3f3b36060af7463f3d9a7a0ad7edbd8b. 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



MassLogger


Vendor detections: 16


Intelligence 16 IOCs YARA 18 File information Comments

SHA256 hash: 3c7370f4f0920026c86ed605bf52d85c3f3b36060af7463f3d9a7a0ad7edbd8b
SHA3-384 hash: 176ea7ad9f3666163fdd9836ffaee62a3195c9932680d8ca2e170f7d4a64c89fcbe1755cb8f0ad2fea3e7d56b813ba41
SHA1 hash: 56ef5f57e9f1872952db2584fb2b4b68594e3f33
MD5 hash: 6906fe686f004ec916e00791a2b2fd14
humanhash: mobile-burger-pizza-tennessee
File name:PO-264725.exe
Download: download sample
Signature MassLogger
File size:783'360 bytes
First seen:2025-02-24 08:40:58 UTC
Last seen:2025-03-10 11:28:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:mMr8I9idYeXY/e1Ggg0MivjmYMmgEf4+oXTbTguKcYQV3e0Ds4LfrD4L4idho4lv:mMrbURwgghMg+GTguKBY3Ho4fDothgLi
TLSH T1B1F401887324F505C5A997F505B1EAB847386EEEA000D31B9ED97CEF7CB6B460D09683
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon ae2f032b0b030b8e (9 x MassLogger, 6 x Formbook, 5 x AgentTesla)
Reporter Anonymous
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
36
Origin country :
PL PL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
dropper shell micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
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
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected phishing vbnet
Result
Verdict:
SUSPICIOUS
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
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 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: 1622535 Sample: PO-264725.exe Startdate: 24/02/2025 Architecture: WINDOWS Score: 100 24 reallyfreegeoip.org 2->24 26 api.telegram.org 2->26 28 2 other IPs or domains 2->28 36 Suricata IDS alerts for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 46 12 other signatures 2->46 8 PO-264725.exe 4 2->8         started        signatures3 42 Tries to detect the country of the analysis system (by using the IP) 24->42 44 Uses the Telegram API (likely for C&C communication) 26->44 process4 file5 22 C:\Users\user\AppData\...\PO-264725.exe.log, ASCII 8->22 dropped 48 Adds a directory exclusion to Windows Defender 8->48 12 PO-264725.exe 15 2 8->12         started        16 powershell.exe 23 8->16         started        signatures6 process7 dnsIp8 30 api.telegram.org 149.154.167.220, 443, 49753 TELEGRAMRU United Kingdom 12->30 32 checkip.dyndns.com 158.101.44.242, 49734, 49738, 49741 ORACLE-BMC-31898US United States 12->32 34 reallyfreegeoip.org 104.21.64.1, 443, 49735, 49737 CLOUDFLARENETUS United States 12->34 50 Tries to steal Mail credentials (via file / registry access) 12->50 52 Tries to harvest and steal browser information (history, passwords, etc) 12->52 54 Loading BitLocker PowerShell Module 16->54 18 WmiPrvSE.exe 16->18         started        20 conhost.exe 16->20         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2025-02-24 08:41:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection discovery execution keylogger spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
3c7370f4f0920026c86ed605bf52d85c3f3b36060af7463f3d9a7a0ad7edbd8b
MD5 hash:
6906fe686f004ec916e00791a2b2fd14
SHA1 hash:
56ef5f57e9f1872952db2584fb2b4b68594e3f33
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
SH256 hash:
c0d98883e138a59c91603bdcb52ae479a00385f9c80fa0f41334d2c2e0596e22
MD5 hash:
043e49e4e38c99235c31fefb48f6aafd
SHA1 hash:
43cc623438f7237ea89b1612ae8f088e0c7b5e7e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
527f5971e25f4cce4aae3bd06a2a7a5a7ee2cbbd020bab224e022d25059a7a1d
MD5 hash:
494d059e2017f45c12a42a683da51c37
SHA1 hash:
e0a7c52d416f4233a7ea1ee0bfe0afcaa026737f
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_DotNetProcHook INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
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:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
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:masslogger_gcch
Author:govcert_ch
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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
Rule name:win_masslogger_w0
Author:govcert_ch

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 (GUARD_CF)high

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