MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e91741f5f641f834836a6ce849bbf6563aa14fa4b686b6db3255a5e43c81d8f6. 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: 17


Intelligence 17 IOCs YARA 19 File information Comments

SHA256 hash: e91741f5f641f834836a6ce849bbf6563aa14fa4b686b6db3255a5e43c81d8f6
SHA3-384 hash: f72131babce643e572c38434bf5e96dd418b0fc1c6086da0327b8d8413e336a38fbfee068f1db8e32a7237d065fb28e6
SHA1 hash: 3b8f08fc66a2632f0352832eba45ef53633e9da0
MD5 hash: 1d7c9974e286717714a1006a042ea62d
humanhash: delaware-enemy-crazy-quebec
File name:New PO4507236631 778029 Batibant Madencilik San v_PDF.exe
Download: download sample
Signature MassLogger
File size:1'065'984 bytes
First seen:2025-05-27 07:49:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 12288:ztb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgaupBzbWELq1SX6A:ztb20pkaCqT5TBWgNQ7aubpm1SX6A
Threatray 2'947 similar samples on MalwareBazaar
TLSH T128358B12639D826FC3727173FA156701AE7F7C2506A0B46BEF942938EB331215E1E663
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter lowmal3
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
523
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New PO4507236631 778029 Batibant Madencilik San v_PDF.exe
Verdict:
Malicious activity
Analysis date:
2025-05-27 07:51:43 UTC
Tags:
snake keylogger telegram evasion stealer auto-startup

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm autoit cmdkey compiled-script evasive fingerprint fingerprint keylogger lolbin masquerade microsoft_visual_cc mpcmdrun netsh packed reg regedit
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
Snake Keylogger, VIP Keylogger
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Binary is likely a compiled AutoIt script file
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1699640 Sample: New PO4507236631 778029 Bat... Startdate: 27/05/2025 Architecture: WINDOWS Score: 100 33 api.telegram.org 2->33 35 checkip.dyndns.org 2->35 37 checkip.dyndns.com 2->37 55 Suricata IDS alerts for network traffic 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 63 13 other signatures 2->63 9 New PO4507236631 778029 Batibant Madencilik San v_PDF.exe 6 2->9         started        13 wscript.exe 1 2->13         started        signatures3 61 Uses the Telegram API (likely for C&C communication) 33->61 process4 file5 29 C:\Users\user\AppData\Local\...\untrashed.exe, PE32 9->29 dropped 69 Binary is likely a compiled AutoIt script file 9->69 15 untrashed.exe 3 9->15         started        71 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->71 19 untrashed.exe 2 13->19         started        signatures6 process7 file8 31 C:\Users\user\AppData\...\untrashed.vbs, data 15->31 dropped 43 Multi AV Scanner detection for dropped file 15->43 45 Binary is likely a compiled AutoIt script file 15->45 47 Drops VBS files to the startup folder 15->47 49 Switches to a custom stack to bypass stack traces 15->49 21 RegSvcs.exe 15 2 15->21         started        51 Writes to foreign memory regions 19->51 53 Maps a DLL or memory area into another process 19->53 24 RegSvcs.exe 2 19->24         started        signatures9 process10 dnsIp11 39 checkip.dyndns.com 158.101.44.242, 49685, 49697, 80 ORACLE-BMC-31898US United States 21->39 27 WerFault.exe 20 16 21->27         started        41 api.telegram.org 149.154.167.220, 443, 49705 TELEGRAMRU United Kingdom 24->41 65 Tries to steal Mail credentials (via file / registry access) 24->65 67 Tries to harvest and steal browser information (history, passwords, etc) 24->67 signatures12 process13
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2025-05-27 06:48:37 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection discovery keylogger stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Drops startup file
Executes dropped EXE
VIPKeylogger
Vipkeylogger family
Verdict:
Malicious
Tags:
Win.Trojan.Autoit-10033284-0 404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
e91741f5f641f834836a6ce849bbf6563aa14fa4b686b6db3255a5e43c81d8f6
MD5 hash:
1d7c9974e286717714a1006a042ea62d
SHA1 hash:
3b8f08fc66a2632f0352832eba45ef53633e9da0
SH256 hash:
24dca864141228f451ee382b2bcd47298fd0ec7ae656e780478b4ff679aa6f3f
MD5 hash:
17449cc27fbb76f51f78c4032a86f839
SHA1 hash:
01fe04fcc5250c28bf9fe8e336539a96848b475d
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers 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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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_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:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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
Rule name:YahLover
Author:Kevin Falcoz
Description:YahLover

File information


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

Malspam

MassLogger

Executable exe e91741f5f641f834836a6ce849bbf6563aa14fa4b686b6db3255a5e43c81d8f6

(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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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