MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53d056661093a1e9c94852549fcb6ba5fcd82c19bc694aa5dd528aab4cf09d25. 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 20 File information Comments

SHA256 hash:	53d056661093a1e9c94852549fcb6ba5fcd82c19bc694aa5dd528aab4cf09d25
SHA3-384 hash:	29690bb499ec93d74c467e1d3c99d2438478064fc17e2d6867a7aaa9925d83f2abb0720f71bbe089704fbdcdbe470652
SHA1 hash:	ed456c6e866851c1d3210eba46a4537c598cbe88
MD5 hash:	f11e6dd721c1b3be096fc3576f47ca46
humanhash:	leopard-butter-comet-oxygen
File name:	REQUEST FOR QUOTE OFFICE STATIONARY SUPPLIE CONTRACT TENDER.pdf.exe
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	971'776 bytes
First seen:	2025-03-28 11:07:56 UTC
Last seen:	2025-04-08 08:54:20 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	24576:Ru6J33O0c+JY5UZ+XC0kGso6FaAGuL+pwWY:Du0c++OCvkGs9FaAiY
Threatray	702 similar samples on MalwareBazaar
TLSH	T14125AD2273DDC360CB669173BF69B7016EBF3C614630B95B2F880D7DA950162262D7A3
TrID	32.2% (.EXE) Win64 Executable (generic) (10522/11/4) 20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 13.7% (.EXE) Win32 Executable (generic) (4504/4/1) 6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	cocaman
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

437

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

REQUEST FOR QUOTE OFFICE STATIONARY SUPPLIE CONTRACT TENDER.pdf.exe

Verdict:

Malicious activity

Analysis date:

2025-03-28 11:08:27 UTC

Tags:

snake keylogger evasion stealer ims-api generic telegram

Link:

https://app.any.run/tasks/05fbe304-1acf-4c40-be58-5cdbcdf5344d

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.BehavesLike.Win32.Generic.vh.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67e683b5855e5ec524091291

Tags:

underscore autoit emotet snake

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Sending a custom TCP request

Reading critical registry keys

Blocking the Windows Defender launch

Blocking a possibility to launch for the Windows Task Manager (taskmgr)

Setting a global event handler for the keyboard

Unauthorized injection to a system process

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/53d056661093a1e9c94852549fcb6ba5fcd82c19bc694aa5dd528aab4cf09d25

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

Link:

https://analyze.intezer.com/analyses/02791a59-24ac-4b6b-83a6-3acfd047e579

Result

Threat name:

MSIL Logger, MassLogger RAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1651055

Signature

.NET source code references suspicious native API functions

Binary is likely a compiled AutoIt script file

Contains functionality to log keystrokes (.Net Source)

Disable Task Manager(disabletaskmgr)

Disables the Windows task manager (taskmgr)

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 submitted file

Sigma detected: Suspicious Double Extension File Execution

Suricata IDS alerts for network traffic

Switches to a custom stack to bypass stack traces

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

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 an obfuscated file name to hide its real file extension (double extension)

Uses the Telegram API (likely for C&C communication)

Writes to foreign memory regions

Yara detected MassLogger RAT

Yara detected MSIL Logger

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/53d056661093a1e9c94852549fcb6ba5fcd82c19bc694aa5dd528aab4cf09d25

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/53d056661093a1e9c94852549fcb6ba5fcd82c19bc694aa5dd528aab4cf09d25/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-03-28 07:15:00 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 36 (61.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kpifmzqqsoq6tskikjkj7s3lux6nqlazxruuvjo5kkfkwthqtusq._file

Verdict:

malicious

Label(s):

novastealer

unc_loader_036

MassLogger

1f70b8eafe372bef9cf9923565ab2763565b63e74a1759bcefad45d3bb9c6d18

MassLogger

5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6

MassLogger

b6b403eaa35cf81b59957c2fa185084c1ebe300ac3544375d5d16fe1710c93b2

MassLogger

bff4e62694c734a55ffa6ce598b52de6078dfec2f045325da187e72bdf6bd978

MassLogger

c9183ab2a4e7170a1afa44fd080541cea4fe59b9b089a05c33c6d2fcc043f26f

MassLogger

error

MassLogger

f73a1acf11bca235d9f0f22c0ba584107a76a54652e6356df080cc5ec040fc18

MassLogger

+ 692 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

10/10

Tags:

collection defense_evasion discovery evasion trojan

Link:

https://tria.ge/reports/250328-m8l3ysvwbx/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Disables Task Manager via registry modification

Modifies Windows Defender DisableAntiSpyware settings

Verdict:

Malicious

Tags:

trojan 404keylogger

YARA:

SUSP_Imphash_Mar23_3

Link:

https://app.threat.zone/submission/839ec033-8e81-4ef2-a368-e64844eb29da

Unpacked files

SH256 hash:

6b499c7a91613355480fb8a960fd9ef8f34200c2eb1ecb36641d7f26c986fc83

MD5 hash:

b9707dbfa372ee2c17bf84af09ee7e84

SHA1 hash:

93171fefbe7bc39a42a50f2997b40ad8274752b0

Detections:

win_404keylogger_g1

win_masslogger_w0

MAL_Envrial_Jan18_1

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender

Link:

https://www.unpac.me/results/355d35c3-7341-48b1-888f-e27169bd856a/

Parent samples :

53d056661093a1e9c94852549fcb6ba5fcd82c19bc694aa5dd528aab4cf09d25
267bdd0b21f44ccf8662c2e36e381dfb2aae3c8019a9d6099689fc9f49a90a56
155bf98a969a25c04b17c591263543342b47a071df8ed9d5d945a39670cb9b8d

SH256 hash:

53d056661093a1e9c94852549fcb6ba5fcd82c19bc694aa5dd528aab4cf09d25

MD5 hash:

f11e6dd721c1b3be096fc3576f47ca46

SHA1 hash:

ed456c6e866851c1d3210eba46a4537c598cbe88

Link:

https://www.unpac.me/results/355d35c3-7341-48b1-888f-e27169bd856a/

Malware family:

PrivateLogger

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/53d056661093/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/53d056661093a1e9c94852549fcb6ba5fcd82c19bc694aa5dd528aab4cf09d25

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 Create hunting rule
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 Create hunting rule
Author:	Rony (r0ny_123)
Description:	Detects Snake keylogger payload

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender Create hunting rule
Author:	ditekSHen
Description:	Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Rule name:	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot Create hunting rule
Author:	ditekSHen
Description:	Detects executables using Telegram Chat Bot

Rule name:	MAL_Envrial_Jan18_1 Create hunting rule
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 Create hunting rule
Author:	Florian Roth
Description:	Detects Encrial credential stealer malware
Reference:	https://twitter.com/malwrhunterteam/status/953313514629853184

Rule name:	masslogger_gcch Create hunting rule
Author:	govcert_ch

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	telegram_bot_api Create hunting rule
Author:	rectifyq
Description:	Detects file containing Telegram Bot API

Rule name:	Windows_Trojan_SnakeKeylogger_af3faa65 Create hunting rule
Author:	Elastic Security

Rule name:	win_masslogger_w0 Create hunting rule
Author:	govcert_ch

File information

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

Malspam

MassLogger

7z e032123ada668c0322ed608a4c6f1006b54d3021d746c8bca824d20a605fc88c

MassLogger

exe 53d056661093a1e9c94852549fcb6ba5fcd82c19bc694aa5dd528aab4cf09d25

(this sample)

Delivery method

Other

Dropped by

SHA256 e032123ada668c0322ed608a4c6f1006b54d3021d746c8bca824d20a605fc88c

Dropped by

MD5 cd0a5bd2167627bffc86f6dbc869d915

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileExW KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW

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