MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 301dc94eb5d63a0fcd4a53c6b378d5d20ae42d0e56e0a5ab584f0baa59b5c8d6. 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

Worm.m0yv

Vendor detections: 15

Intelligence 15 IOCs YARA 19 File information Comments

SHA256 hash:	301dc94eb5d63a0fcd4a53c6b378d5d20ae42d0e56e0a5ab584f0baa59b5c8d6
SHA3-384 hash:	b530ecf83ff5320ae2fd2cf5fad246bc8c68397350e366827c99d88ec905e0463dfaad7e3150e6920769299235353a94
SHA1 hash:	fe3cc1db48e050a70858264ce2abd26fb82cc716
MD5 hash:	69746bdc4650cd412bcc2169e749f099
humanhash:	yankee-thirteen-lake-fillet
File name:	Supply Tender documents PDF.exe
Download:	download sample
Signature	Worm.m0yv Create hunting rule
File size:	1'771'008 bytes
First seen:	2025-03-13 12:02:24 UTC
Last seen:	2025-03-13 13:36:29 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	49152:ic0c++OCvkGs9FajlDJJ3DYVLNiXicJFFRGNzj3:rB3vkJ9SDb3DU7wRGpj3
Threatray	22 similar samples on MalwareBazaar
TLSH	T17585E02273CDC361CB769133BF69B7006EBF3C614630B95B2F881D79A960262162D763
TrID	63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 11.6% (.EXE) Win64 Executable (generic) (10522/11/4) 7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	Anonymous
Tags:	exe Worm.m0yv

Intelligence

File Origin

# of uploads :

# of downloads :

408

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Supply Tender documents PDF.exe

Verdict:

Malicious activity

Analysis date:

2025-03-13 12:05:20 UTC

Tags:

sinkhole m0yv

Link:

https://app.any.run/tasks/e98bdc1b-3233-44d0-9365-e55534c150bd

Note:

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

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67d2d2573962f1a6f470ce4d

Tags:

autorun autoit emotet expiro

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file in the %AppData% directory

Modifying an executable file

Creating a window

Launching a service

Searching for synchronization primitives

Modifying a system executable file

Launching a process

Loading a system driver

Creating a file in the system32 subdirectories

Connection attempt to an infection source

Modifying a system file

Creating a file in the %temp% directory

Sending an HTTP GET request to an infection source

Creating a file

Creating a process from a recently created file

Enabling autorun for a service

Query of malicious DNS domain

Enabling autorun with the shell\open\command registry branches

Infecting executable files

Sending an HTTP POST request to an infection source

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Malicious

Labled as:

Expiro.Generic

Link:

https://www.hybrid-analysis.com/sample/301dc94eb5d63a0fcd4a53c6b378d5d20ae42d0e56e0a5ab584f0baa59b5c8d6

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:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/e59ce118-63ca-484b-b306-edb360c683fa

Result

Threat name:

FormBook

Detection:

malicious

Classification:

spre.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1637257

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Binary is likely a compiled AutoIt script file

Creates files inside the volume driver (system volume information)

Drops executable to a common third party application directory

Drops VBS files to the startup folder

Found direct / indirect Syscall (likely to bypass EDR)

Found evasive API chain (may stop execution after checking computer name)

Found evasive API chain (may stop execution after checking volume information)

Infects executable files (exe, dll, sys, html)

Initial sample is a PE file and has a suspicious name

Joe Sandbox ML detected suspicious sample

Maps a DLL or memory area into another process

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for submitted file

Performs DNS queries to domains with low reputation

Queries random domain names (often used to prevent blacklisting and sinkholes)

Queues an APC in another process (thread injection)

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)

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/301dc94eb5d63a0fcd4a53c6b378d5d20ae42d0e56e0a5ab584f0baa59b5c8d6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/301dc94eb5d63a0fcd4a53c6b378d5d20ae42d0e56e0a5ab584f0baa59b5c8d6/

Threat name:

Win32.Virus.Expiro

Status:

Malicious

First seen:

2025-03-13 04:30:25 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=gao4stvv2y5a7tkkkpdlg6gv2ifoiliok3qklk2yj4f2uwnvzdla._file

Verdict:

malicious

Label(s):

m0yv

expiro

Worm.m0yv

3a4bf749beed4f07deb352b6e0faf28c5c2f28d62374a8bbb3eeeb67b1096851

Worm.m0yv

56c4831e979ad494b4b6848f793917042d57c38a596032b25f6012a5c23f5e23

Worm.m0yv

8321c0b6abc15f9feeef5021f4e37c4110e629cb64f7b0861b481e23ba86d54a

Worm.m0yv

a06f961f856857eea5b506b9bbf220df937bf7778246cc72e502c451e5311621

Worm.m0yv

d28abef1785c790448448e450d61c686d8778602f789830e41a92694b4439c19

Worm.m0yv

error

Worm.m0yv

+ 12 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

8/10

Tags:

discovery persistence privilege_escalation spyware stealer

Link:

https://tria.ge/reports/250313-n73jzsssgs/

Behaviour

Checks SCSI registry key(s)

Checks processor information in registry

Modifies Internet Explorer settings

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: LoadsDriver

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Uses Volume Shadow Copy WMI provider

Uses Volume Shadow Copy service COM API

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Drops file in Program Files directory

Drops file in Windows directory

AutoIT Executable

Checks system information in the registry

Drops file in System32 directory

Suspicious use of SetThreadContext

Checks installed software on the system

Drops startup file

Event Triggered Execution: Component Object Model Hijacking

Executes dropped EXE

Loads dropped DLL

Reads user/profile data of web browsers

Downloads MZ/PE file

Event Triggered Execution: Image File Execution Options Injection

Verdict:

Malicious

Tags:

trojan expiro

YARA:

SUSP_Imphash_Mar23_3

Link:

https://app.threat.zone/submission/a1a37653-71c5-4143-a73e-c953bb834056

Unpacked files

SH256 hash:

ddd3b962894a7adef91073b3e415ba42978ff4c12651bd6d533fb156c3768253

MD5 hash:

e473d6f8d234b5fb04cbac49ac7c7df0

SHA1 hash:

d24c96bfca0d07dac703137594f61b68a4520692

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/5b038f74-618c-49a1-9f24-1265051add21/

Parent samples :

a06f961f856857eea5b506b9bbf220df937bf7778246cc72e502c451e5311621
301dc94eb5d63a0fcd4a53c6b378d5d20ae42d0e56e0a5ab584f0baa59b5c8d6
5cb84af56a24dbe7fb79678b206f3d9b6721cd7291d6294b1d5e189a1db865eb
463a99c4d82f346dd9cb1236df6c6acd9dc5f5df50467848efa167b59c635120
ed8c310c0eda6f8ec0e52a6ffa791d01dc7b46b9300db8464511cb9d49cc5fd2

SH256 hash:

301dc94eb5d63a0fcd4a53c6b378d5d20ae42d0e56e0a5ab584f0baa59b5c8d6

MD5 hash:

69746bdc4650cd412bcc2169e749f099

SHA1 hash:

fe3cc1db48e050a70858264ce2abd26fb82cc716

Link:

https://www.unpac.me/results/5b038f74-618c-49a1-9f24-1265051add21/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/301dc94eb5d6/report/overview.html

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

Threat name:

Expiro

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/301dc94eb5d63a0fcd4a53c6b378d5d20ae42d0e56e0a5ab584f0baa59b5c8d6

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

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

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

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

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

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

Rule name:	malware_shellcode_hash Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect shellcode api hash value

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

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:	Windows_Trojan_M0yv_92f66467 Create hunting rule
Author:	Elastic Security

Rule name:	win_m0yv_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.m0yv.

File information

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

No further information available

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
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

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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