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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12304b7c8fa917092a9b51195bc8fa9f8ab33e4fe7dd0a5c62d2e9014d05233f. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 12304b7c8fa917092a9b51195bc8fa9f8ab33e4fe7dd0a5c62d2e9014d05233f
SHA3-384 hash: 73a2700f21e9107286900e888e7bbb71d35143fde905f38d65794a69cf8a6fbd404daf5cfee8711729a656b7b7ba2360
SHA1 hash: 11345d30c1be56df4e6e1d1be0d86bfbe56ca04c
MD5 hash: 9ed2baaf067f1403fef4d5409d775e7a
humanhash: crazy-avocado-ceiling-aspen
File name:file
Download: download sample
Signature MeshAgent
File size:1'725'905 bytes
First seen:2024-08-22 13:28:27 UTC
Last seen:2024-08-22 18:09:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9dda1a1d1f8a1d13ae0297b47046b26e (65 x Formbook, 50 x GuLoader, 28 x RemcosRAT)
ssdeep 49152:/yXpN9l0VhmqlIGJZS4LtEGEZx6sR2qWFO0tV:/yXpN9eVnq4LqGE71QFO0tV
Threatray 6 similar samples on MalwareBazaar
TLSH T19B85333470496232E1870AF28DB521757BF16E5F08B36A162B44760EBF328F554D4BEB
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 68e8e8d4d4e8f868 (1 x MeshAgent)
Reporter Bitsight
Tags:exe MeshAgent


Avatar
Bitsight
url: https://www.mostar-info.com/Installer.exe

Intelligence


File Origin
# of uploads :
16
# of downloads :
375
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-22 13:31:40 UTC
Tags:
meshagent

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Tags:
Encryption Stealth Trojan Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Creating a file in the Program Files subdirectories
Creating a service
Launching a service
Modifying a system file
Searching for synchronization primitives
Creating a file in the Windows subdirectories
Creating a file
Creating a file in the system32 subdirectories
Connection attempt
Creating a window
Sending a custom TCP request
Launching a process
Enabling autorun for a service
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin microsoft_visual_cc overlay packed shell32
Result
Threat name:
MeshAgent
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
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
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Yara detected MeshAgent RemoteAdmin Tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1497443 Sample: file.exe Startdate: 22/08/2024 Architecture: WINDOWS Score: 96 37 time.windows.com 2->37 41 Antivirus detection for URL or domain 2->41 43 Multi AV Scanner detection for dropped file 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 3 other signatures 2->47 8 file.exe 15 2->8         started        11 svchost.exe 2->11         started        14 MeshAgent.exe 7 8 2->14         started        17 10 other processes 2->17 signatures3 process4 dnsIp5 33 C:\Users\user\AppData\Roaming\...\chain.exe, PE32 8->33 dropped 35 C:\Users\user\AppData\Local\...\nseEA83.tmp, PGP 8->35 dropped 19 chain.exe 10 3 8->19         started        23 UsoClient.exe 8->23         started        57 Changes security center settings (notifications, updates, antivirus, firewall) 11->57 25 MpCmdRun.exe 2 11->25         started        39 104.248.229.104, 443, 49704, 49708 DIGITALOCEAN-ASNUS United States 14->39 59 Creates files in the system32 config directory 14->59 61 Query firmware table information (likely to detect VMs) 17->61 file6 signatures7 process8 file9 31 C:\Program Files (x86)\...\MeshAgent.exe, PE32 19->31 dropped 49 Multi AV Scanner detection for dropped file 19->49 51 Machine Learning detection for dropped file 19->51 53 Contains functionality to register a low level keyboard hook 19->53 55 Enables network access during safeboot for specific services 19->55 27 conhost.exe 19->27         started        29 conhost.exe 25->29         started        signatures10 process11
Result
Malware family:
meshagent
Score:
  10/10
Tags:
family:meshagent backdoor discovery persistence trojan
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in System32 directory
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Sets service image path in registry
Detects MeshAgent payload
MeshAgent
Unpacked files
SH256 hash:
c611726cdc6a03ef2af8dc49b8a97a5aa1e082e421df85228fa01d2a59597e3f
MD5 hash:
4fc9019afd79b68f56ce6c06eea68fba
SHA1 hash:
8d64f86eea4c567721439aba1abca4a6863014ed
SH256 hash:
12304b7c8fa917092a9b51195bc8fa9f8ab33e4fe7dd0a5c62d2e9014d05233f
MD5 hash:
9ed2baaf067f1403fef4d5409d775e7a
SHA1 hash:
11345d30c1be56df4e6e1d1be0d86bfbe56ca04c
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

MeshAgent

Executable exe 12304b7c8fa917092a9b51195bc8fa9f8ab33e4fe7dd0a5c62d2e9014d05233f

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments