MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 538af0e39f24f16e4e52cad03295a359304d8f458c1fe18d0681e884112f2185. 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


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 538af0e39f24f16e4e52cad03295a359304d8f458c1fe18d0681e884112f2185
SHA3-384 hash: 95fb72eb12372cb053b3203a4a533586e6b48655a7728e178d01f55ca6f0bed848d70f8b5c9a3c1187b6d5ac7d10ac0f
SHA1 hash: f636ef4f3279cd49d1036a70293f8390ecc96a3e
MD5 hash: 83741bbca9631aa4925203fbddc0ad7d
humanhash: video-hawaii-fix-kilo
File name:83741bbca9631aa4925203fbddc0ad7d.exe
Download: download sample
Signature Smoke Loader
File size:709'936 bytes
First seen:2024-07-23 06:31:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (96 x GuLoader, 53 x Formbook, 37 x VIPKeylogger)
ssdeep 12288:tXBffJMAUAyQAg8Y3ElBvCm5KUwzq2uE2na367joJqTOX7gXX7:tXBfmPQXMqm5wzq2uDa367joJqaXQ7
Threatray 636 similar samples on MalwareBazaar
TLSH T161E423841E40D66BE7628D355DB0D637C7FDEA1496BC02870B689F2CE874BD2AE0531B
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 0cf4e0c0ecfcd8f0 (1 x Smoke Loader, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
316
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ver4_file_x86x64.rar
Verdict:
Malicious activity
Analysis date:
2024-04-30 21:17:15 UTC
Tags:
evasion privateloader opendir loader risepro stealer stealc gcleaner exfiltration miner adware innosetup amadey botnet meta metastealer redline neoreklami arechclient2 backdoor hijackloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Encryption Execution Generic Infostealer Network Static Stealth Trojan Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Creating a process with a hidden window
Moving a recently created file
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Running batch commands
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer lolbin microsoft_visual_cc overlay packed shell32 smokeloader
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.
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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)
Creates a thread in another existing process (thread injection)
Drops PE files with a suspicious file extension
Found API chain indicative of debugger detection
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Search for Antivirus process
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1478963 Sample: lSmb6nDsrC.exe Startdate: 23/07/2024 Architecture: WINDOWS Score: 100 37 UaTVQmthThJ.UaTVQmthThJ 2->37 39 206.23.85.13.in-addr.arpa 2->39 41 2no.co 2->41 49 Multi AV Scanner detection for domain / URL 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 8 other signatures 2->55 10 lSmb6nDsrC.exe 35 2->10         started        signatures3 process4 process5 12 cmd.exe 2 10->12         started        file6 31 C:\Users\user\AppData\Local\...\Labs.pif, PE32 12->31 dropped 65 Uses ping.exe to sleep 12->65 67 Drops PE files with a suspicious file extension 12->67 69 Uses ping.exe to check the status of other devices and networks 12->69 16 Labs.pif 12 12->16         started        20 PING.EXE 1 12->20         started        22 cmd.exe 2 12->22         started        24 7 other processes 12->24 signatures7 process8 dnsIp9 33 2no.co 104.21.79.229, 443, 49703 CLOUDFLARENETUS United States 16->33 43 Found API chain indicative of debugger detection 16->43 45 Injects a PE file into a foreign processes 16->45 47 Switches to a custom stack to bypass stack traces 16->47 26 Labs.pif 16->26         started        35 127.0.0.1 unknown unknown 20->35 signatures10 process11 signatures12 57 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 26->57 59 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 26->59 61 Maps a DLL or memory area into another process 26->61 63 2 other signatures 26->63 29 explorer.exe 6 26->29 injected process13
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-04-30 13:11:38 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Checks SCSI registry key(s)
Enumerates processes with tasklist
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e3a9c85e262e28cbbe1eb165a9d7ad14581877df8f09a8e3c83ac27cd00db15f
MD5 hash:
646c090f9bd2c9bcf12f29b29493ff49
SHA1 hash:
ece0ed94e1b3df384588960c5c2c0aa8747c36a0
Detections:
AutoIT_Compiled
Parent samples :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 hash:
538af0e39f24f16e4e52cad03295a359304d8f458c1fe18d0681e884112f2185
MD5 hash:
83741bbca9631aa4925203fbddc0ad7d
SHA1 hash:
f636ef4f3279cd49d1036a70293f8390ecc96a3e
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:NSIS_April_2024
Author:NDA0N
Description:Detects NSIS installers
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

Smoke Loader

Executable exe 538af0e39f24f16e4e52cad03295a359304d8f458c1fe18d0681e884112f2185

(this sample)

  
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
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

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