🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ea07b21a1c289874ae9b39f1fe77e57de8a3227e53296f1871a24d09fd3c3d8. 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



MeshAgent


Vendor detections: 11


Intelligence 11 IOCs YARA 15 File information Comments

SHA256 hash: 1ea07b21a1c289874ae9b39f1fe77e57de8a3227e53296f1871a24d09fd3c3d8
SHA3-384 hash: 48425aae9ca2b814993eee22d4106823db2ad02e5b182806be55348e26181589d4b306e4eba6629700c7a821699a9a64
SHA1 hash: e2e4e21d8e04eba255a4051e122729d07ee45eea
MD5 hash: 662de97502a383a6c7b206e0cd0336aa
humanhash: michigan-hot-washington-emma
File name:2025-04-18_662de97502a383a6c7b206e0cd0336aa_amadey_black-basta_coinminer_elex_luca-stealer_revil_smoke-loader.exe
Download: download sample
Signature MeshAgent
File size:3'853'176 bytes
First seen:2025-04-18 12:25:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7aa58492bf5691114c98568704d048cd (11 x MeshAgent)
ssdeep 49152:ffEV3ugKeuWoAkf6bRexQlNIdwB0pJCWJ0+1NaZPwq+5bWZPa1g:ffEYnnfKthWq+1jJWZPa1g
TLSH T10606AEC3BB834571F8A736B411AB53BE9D7D69530328D4C393D428A949316D0AE3B39B
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 989a92d8d8daf2c0 (38 x MeshAgent)
Reporter zhuzhu0009
Tags:exe MeshAgent signed

Code Signing Certificate

Organisation:lenovohelp.com-366907
Issuer:MeshCentralRoot-1fa131
Algorithm:sha384WithRSAEncryption
Valid from:2018-01-01T08:00:00Z
Valid to:2049-12-31T08:00:00Z
Serial number: 53377811
Thumbprint Algorithm:SHA256
Thumbprint: 9e455ecced187e11291f1d90ee1ab99a1a00eb9dca8bb5b2bdc8f271d836e20e
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
467
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2025-04-18_662de97502a383a6c7b206e0cd0336aa_amadey_black-basta_coinminer_elex_luca-stealer_revil_smoke-loader
Verdict:
Malicious activity
Analysis date:
2025-04-18 08:58:49 UTC
Tags:
meshagent

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
agent virus spawn
Result
Verdict:
Clean
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Searching for the window
Creating a window
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm cmd crypto fingerprint hacktool keylogger lolbin microsoft_visual_cc overlay remote signed
Verdict:
Malicious
Labled as:
RiskWare[RemoteAdmin]/MeshAgent
Malware family:
MeshCentral Agent
Verdict:
Suspicious
Result
Threat name:
MeshAgent
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious PE digital signature
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to register a low level keyboard hook
Creates files in the system32 config directory
Enables network access during safeboot for specific services
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Tries to delay execution (extensive OutputDebugStringW loop)
Yara detected MeshAgent RemoteAdmin Tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1668346 Sample: e-loader.exe Startdate: 18/04/2025 Architecture: WINDOWS Score: 100 54 lenovohelp.com 2->54 62 Multi AV Scanner detection for dropped file 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 2->66 68 7 other signatures 2->68 8 MeshAgent.exe 7 9 2->8         started        12 e-loader.exe 2 2->12         started        14 svchost.exe 2->14         started        16 7 other processes 2->16 signatures3 process4 dnsIp5 56 lenovohelp.com 91.219.236.68, 4443, 49694, 49697 SERVERASTRA-ASHU Hungary 8->56 70 Query firmware table information (likely to detect VMs) 8->70 72 Creates files in the system32 config directory 8->72 18 powershell.exe 23 8->18         started        21 powershell.exe 17 8->21         started        23 powershell.exe 8->23         started        34 4 other processes 8->34 74 Contains functionality to register a low level keyboard hook 12->74 76 Tries to delay execution (extensive OutputDebugStringW loop) 12->76 25 e-loader.exe 11 3 12->25         started        28 conhost.exe 12->28         started        78 Changes security center settings (notifications, updates, antivirus, firewall) 14->78 30 MpCmdRun.exe 14->30         started        32 WerFault.exe 16->32         started        signatures6 process7 file8 58 Loading BitLocker PowerShell Module 18->58 36 conhost.exe 18->36         started        38 conhost.exe 21->38         started        40 conhost.exe 23->40         started        52 C:\Program Files (x86)\...\MeshAgent.exe, PE32 25->52 dropped 60 Enables network access during safeboot for specific services 25->60 42 conhost.exe 25->42         started        44 conhost.exe 30->44         started        46 conhost.exe 34->46         started        48 conhost.exe 34->48         started        50 conhost.exe 34->50         started        signatures9 process10
Result
Malware family:
meshagent
Score:
  10/10
Tags:
family:meshagent botnet:agent discovery
Behaviour
System Location Discovery: System Language Discovery
Malware Config
C2 Extraction:
http://lenovohelp.com:4443/agent.ashx
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1ea07b21a1c289874ae9b39f1fe77e57de8a3227e53296f1871a24d09fd3c3d8
MD5 hash:
662de97502a383a6c7b206e0cd0336aa
SHA1 hash:
e2e4e21d8e04eba255a4051e122729d07ee45eea
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:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
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_RMM_MeshAgent
Author:ditekSHen
Description:Detects MeshAgent. Review RMM Inventory
Rule name:INDICATOR_RMM_MeshAgent_CERT
Author:ditekSHen
Description:Detects Mesh Agent by (default) certificate. Review RMM Inventory
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::SetEntriesInAclA
ADVAPI32.dll::InitializeSecurityDescriptor
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CreateStreamOnHGlobal
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipGetImageEncodersSize
gdiplus.dll::GdipGetImageEncoders
gdiplus.dll::GdipAlloc
NCRYPT_APIUses NCrypt APIncrypt.dll::NCryptCreatePersistedKey
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::SetSecurityDescriptorDacl
ADVAPI32.dll::SetTokenInformation
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
KERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::CreateFiber
KERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeA
KERNEL32.dll::FindNextVolumeA
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_BCRYPT_APICan Encrypt Filesncrypt.dll::BCryptCreateHash
ncrypt.dll::BCryptDestroyHash
ncrypt.dll::BCryptFinishHash
ncrypt.dll::BCryptGenRandom
ncrypt.dll::BCryptGetProperty
ncrypt.dll::BCryptHashData
WIN_CRYPT_APIUses Windows Crypt APICRYPT32.dll::CertAddCertificateContextToStore
CRYPT32.dll::CertAddEncodedCertificateToStore
CRYPT32.dll::CertCreateSelfSignCertificate
CRYPT32.dll::CertDeleteCertificateFromStore
CRYPT32.dll::CertDuplicateCertificateContext
CRYPT32.dll::CertEnumCertificatesInStore
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyW
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegQueryValueExW
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::freeaddrinfo
WS2_32.dll::FreeAddrInfoW
WS2_32.dll::getaddrinfo
WS2_32.dll::GetAddrInfoW
WS2_32.dll::getnameinfo
WS2_32.dll::WSACloseEvent
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::OpenSCManagerA
ADVAPI32.dll::OpenServiceA
ADVAPI32.dll::QueryServiceStatus
ADVAPI32.dll::RegisterServiceCtrlHandlerExA
ADVAPI32.dll::StartServiceCtrlDispatcherA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::OpenInputDesktop
USER32.dll::CreateWindowExA
USER32.dll::CreateWindowExW

Comments