MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 79bb1f7b467bbceed03d27d325a0c076943f57d696d96d0d1178a2b750a931a8. 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
Smoke Loader
Vendor detections: 15
| SHA256 hash: | 79bb1f7b467bbceed03d27d325a0c076943f57d696d96d0d1178a2b750a931a8 |
|---|---|
| SHA3-384 hash: | 197cb1d7c458e7748c5ccd82ca9c675183c48bc5f10832796e62f8a65200fdc8f01494f099c0ae9742d0ec723e7e52a6 |
| SHA1 hash: | 25bbf7f47a779cdce30f67b51b4cfbc2a2e30d7c |
| MD5 hash: | b9809bd949c3bc586cdee24b1a6de3df |
| humanhash: | sixteen-colorado-angel-burger |
| File name: | 2.exe |
| Download: | download sample |
| Signature | Smoke Loader |
| File size: | 1'181'376 bytes |
| First seen: | 2024-05-20 08:18:43 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 366a296e1f2a08b168caf745726d83ca (3 x XWorm, 1 x Smoke Loader) |
| ssdeep | 24576:PkqodqTS60AU1oSpPFYE2CBeLA/Tzuif8BAzOXW1AwRgeegKx:+D4i0BAqXWweeBx |
| Threatray | 1'672 similar samples on MalwareBazaar |
| TLSH | T16245E00923AC02F5F477C2348D558A9AF672FC184324A38B07E4A6F56F17E9A0B7E751 |
| TrID | 48.7% (.EXE) Win64 Executable (generic) (10523/12/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1) |
| Reporter |  petrovic |
| Tags: | exe signed Smoke Loader |
Code Signing Certificate
| Organisation: | Microsoft Code Signing PCA 2011 |
|---|---|
| Issuer: | Microsoft Code Signing PCA 2011 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2024-05-19T10:59:50Z |
| Valid to: | 2025-05-19T10:59:50Z |
| Serial number: | 0b550bd54eb49adbc82eada25b4b793d |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 242e5b7b4546f7f68b62a574d237426308ea9e00720e9a80cabba288f7743b94 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
560
Origin country :
NLVendor Threat Intelligence
Malware family:
lu0bot
ID:
1
File name:
79bb1f7b467bbceed03d27d325a0c076943f57d696d96d0d1178a2b750a931a8.exe
Verdict:
Malicious activity
Analysis date:
2024-05-19 13:06:02 UTC
Tags:
opendir loader evasion adware innosetup botnet lu0bot backdoor neoreklami miner
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Banker Encryption Execution Network Static Heur Dexter
Result
Verdict:
Malware
Maliciousness:
Behaviour
Connection attempt
Launching cmd.exe command interpreter
Sending a UDP request
Launching a service
Reading critical registry keys
Replacing files
Using the Windows Management Instrumentation requests
Modifying a system file
Running batch commands
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
DNS request
Deleting a system file
Sending a custom TCP request
Creating a file
Sending an HTTP GET request
Creating a process from a recently created file
Creating a file in the %temp% subdirectories
Creating a window
Searching for analyzing tools
Blocking the Windows Defender launch
Downloading the file
Connection attempt to an infection source
Blocking the User Account Control
Adding exclusions to Windows Defender
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
fingerprint overlay packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Verdict:
Unknown
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
rans.troj.adwa.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to infect the boot sector
Creates a thread in another existing process (thread injection)
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Disables UAC (registry)
Drops script or batch files to the startup folder
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the hosts file
Multi AV Scanner detection for dropped file
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suspicious powershell command line found
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to download and execute files (via powershell)
Tries to evade debugger and weak emulator (self modifying code)
Writes many files with high entropy
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Powershell download and execute
Yara detected SmokeLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
35%
Verdict:
Susipicious
File Type:
PE
Threat name:
Win64.Trojan.XWorm
Status:
Malicious
First seen:
2024-05-19 14:37:35 UTC
File Type:
PE+ (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 1'662 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Score:
10/10
Tags:
family:privateloader family:xmrig bootkit discovery evasion execution loader miner persistence ransomware spyware stealer themida trojan upx
Behaviour
System policy modification
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SendNotifyMessage
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: LoadsDriver
Suspicious behavior: EnumeratesProcesses
Script User-Agent
Modifies system certificate store
Modifies registry class
Modifies data under HKEY_USERS
Modifies Internet Explorer settings
Kills process with taskkill
Enumerates system info in registry
Creates scheduled task(s)
Checks processor information in registry
NSIS installer
Enumerates physical storage devices
Launches sc.exe
Drops file in Windows directory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in System32 directory
Checks system information in the registry
Checks installed software on the system
Writes to the Master Boot Record (MBR)
Adds Run key to start application
Checks for any installed AV software in registry
Looks up external IP address via web service
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Unexpected DNS network traffic destination
Windows security modification
UPX packed file
Themida packer
Registers COM server for autorun
Reads user/profile data of web browsers
Modifies system executable filetype association
Loads dropped DLL
Executes dropped EXE
Drops startup file
Checks computer location settings
Checks BIOS information in registry
Stops running service(s)
Sets service image path in registry
Sets file execution options in registry
Drops file in Drivers directory
Downloads MZ/PE file
Creates new service(s)
Command and Scripting Interpreter: PowerShell
Blocklisted process makes network request
XMRig Miner payload
Modifies boot configuration data using bcdedit
Identifies VirtualBox via ACPI registry values (likely anti-VM)
xmrig
Windows security bypass
UAC bypass
PrivateLoader
Modifies firewall policy service
Malware Config
Dropper Extraction:
https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2841&c=2841
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=2841
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=2841
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=2841
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=2841
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
79bb1f7b467bbceed03d27d325a0c076943f57d696d96d0d1178a2b750a931a8
MD5 hash:
b9809bd949c3bc586cdee24b1a6de3df
SHA1 hash:
25bbf7f47a779cdce30f67b51b4cfbc2a2e30d7c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | 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: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
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
| ID | Title | Severity |
|---|---|---|
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA KERNEL32.dll::GetCommandLineW |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateFileW |
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