MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b05176b5e31e9e9f133235deb31110798097e21387d17b1def7c3e2780bbf455. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b05176b5e31e9e9f133235deb31110798097e21387d17b1def7c3e2780bbf455
SHA3-384 hash: f6e617144b41b9c0a40f0cf33f908b5a9c37c2b88737d1438cc17d7e8b395661e395544dc01bb9ea7272b077ba09c40a
SHA1 hash: 1c376ec14025cabe24672620dcb941684fbd42b3
MD5 hash: e45dcabc64578b3cf27c5338f26862f1
humanhash: thirteen-alabama-summer-bacon
File name:e45dcabc64578b3cf27c5338f26862f1.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:782'448 bytes
First seen:2024-05-22 14:50:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 70229c3a1d4b2e17d3131a0bf773a764 (4 x AgentTesla, 1 x SnakeKeylogger, 1 x Smoke Loader)
ssdeep 12288:NXlLwnF3etIEWvw9vsJNqX7gdLhloFPYHRmwZix2X61GhYGttNUr7:NXlttFB9MqXkdLh+FPYx1gMTYGttNU3
TLSH T14FF4D08576AD48F0C9B7913C94826E0AFA62BC534360DBDB47644A674F237E06C3EB71
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 abuse_ch
Tags:exe signed Smoke Loader

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2024-05-17T07:57:39Z
Valid to:2025-05-17T07:57:39Z
Serial number: 3850f30f77f67b3a834a21646e86033d
Thumbprint Algorithm:SHA256
Thumbprint: d50e361d4d5193c903c6615d92ec106e72261d0748638b909bd305842117c0c8
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
348
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
b96b8e0c49054ba4f9e5b4ec39b176fd088193ea8f5a86d02faa06c0b49ab793.exe
Verdict:
Malicious activity
Analysis date:
2024-05-18 12:30:34 UTC
Tags:
amadey botnet stealer loader lumma meta metastealer redline stealc miner opendir gcleaner evasion telegram xmrig remote xworm discord trojan glupteba
Link:
https://app.any.run/tasks/be91b418-fa1e-4f49-a7c4-8fc9dfbb2787

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.DropperX-gen.21238.31468.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=664e068a2bd2b41abe0df59awin10vpnfull_triage
Tags:
Encryption Execution Network Static Stealth Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Sending an HTTP GET request
Creating a process from a recently created file
Searching for analyzing tools
Creating a window
Sending a UDP request
Modifying a system file
Moving a file to the %temp% directory
Replacing files
Running batch commands
Launching a service
Launching cmd.exe command interpreter
Blocking the User Account Control
Connection attempt to an infection source
Blocking the Windows Defender launch
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Adding exclusions to Windows Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint overlay packed
Link:
https://www.filescan.io/uploads/664e062084cbb2762cea4e72/reports/7568a97d-5650-4e89-970f-f31512fa3fcb/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b05176b5e31e9e9f133235deb31110798097e21387d17b1def7c3e2780bbf455
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4d273ac2-3921-43f3-9a73-b33550bd0040
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1445835
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Benign windows process drops PE files
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
Encrypted powershell cmdline option found
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Very long command line found
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected SmokeLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1445835 Sample: 2T6MGxlKZT.exe Startdate: 22/05/2024 Architecture: WINDOWS Score: 100 108 Found malware configuration 2->108 110 Malicious sample detected (through community Yara rule) 2->110 112 Antivirus detection for URL or domain 2->112 114 11 other signatures 2->114 9 2T6MGxlKZT.exe 2 2->9         started        12 svchost.exe 2->12         started        process3 signatures4 132 Very long command line found 9->132 134 Encrypted powershell cmdline option found 9->134 14 powershell.exe 1 16 9->14         started        17 conhost.exe 9->17         started        19 WerFault.exe 12->19         started        21 WerFault.exe 12->21         started        23 WerFault.exe 12->23         started        25 7 other processes 12->25 process5 signatures6 142 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->142 144 Writes to foreign memory regions 14->144 146 Adds a directory exclusion to Windows Defender 14->146 148 3 other signatures 14->148 27 InstallUtil.exe 15 283 14->27         started        32 powershell.exe 23 14->32         started        34 WerFault.exe 14->34         started        36 conhost.exe 14->36         started        process7 dnsIp8 100 190.159.30.35 TelmexColombiaSACO Colombia 27->100 102 5.42.96.170 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 27->102 106 5 other IPs or domains 27->106 78 C:\Users\...\zMKFku8Lvv7ZSI5QT9bDlzwS.exe, PE32 27->78 dropped 80 C:\Users\...\xRM4tv9YQv09fHXN0mZt9xUo.exe, PE32 27->80 dropped 82 C:\Users\...\vdV4Vr45EZ6AybsstVBbsQs9.exe, PE32 27->82 dropped 84 195 other files (164 malicious) 27->84 dropped 136 Drops script or batch files to the startup folder 27->136 138 Creates HTML files with .exe extension (expired dropper behavior) 27->138 38 8hFByUfy0ybqpHdWsq7Pxwyi.exe 27->38         started        41 6E5d1EWEsZezUP26PMbmLWpU.exe 27->41         started        45 cL6iIqIYrv4L6Bes0uCc7oUH.exe 27->45         started        51 14 other processes 27->51 140 Loading BitLocker PowerShell Module 32->140 47 conhost.exe 32->47         started        49 WmiPrvSE.exe 32->49         started        104 20.42.65.92 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 34->104 file9 signatures10 process11 dnsIp12 116 Detected unpacking (changes PE section rights) 38->116 118 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 38->118 120 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 38->120 124 3 other signatures 38->124 53 explorer.exe 38->53 injected 94 104.192.108.17 QIHOOBeijingQihuTechnologyCompanyLimitedCN United States 41->94 96 104.192.108.21 QIHOOBeijingQihuTechnologyCompanyLimitedCN United States 41->96 98 8 other IPs or domains 41->98 72 C:\Users\user\Pictures\360TS_Setup.exe.P2P, PE32 41->72 dropped 74 C:\Users\user\...\360TS_Setup.exe (copy), PE32 41->74 dropped 76 C:\Users\user\AppData\Local\...\360P2SP.dll, PE32 41->76 dropped 122 Contains functionality to infect the boot sector 45->122 58 WerFault.exe 45->58         started        60 WerFault.exe 51->60         started        62 WerFault.exe 51->62         started        64 WerFault.exe 51->64         started        66 WerFault.exe 51->66         started        file13 signatures14 process15 dnsIp16 86 190.156.239.49 TelmexColombiaSACO Colombia 53->86 88 45.129.96.86 GMHOST-EE Estonia 53->88 90 64.23.223.5 AFFINITY-FTLUS United States 53->90 68 C:\Users\user\AppData\Roaming\svihvdi, PE32 53->68 dropped 70 C:\Users\user\AppData\Local\Temp\9D2.exe, PE32 53->70 dropped 126 System process connects to network (likely due to code injection or exploit) 53->126 128 Benign windows process drops PE files 53->128 130 Hides that the sample has been downloaded from the Internet (zone.identifier) 53->130 92 20.42.73.29 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 60->92 file17 signatures18
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b05176b5e31e9e9f133235deb31110798097e21387d17b1def7c3e2780bbf455
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b05176b5e31e9e9f133235deb31110798097e21387d17b1def7c3e2780bbf455/
Threat name:
Win64.Trojan.TrickBot
Create hunting rule
Status:
Malicious
First seen:
2024-05-17 11:25:48 UTC
File Type:
PE+ (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wbixnnpdd2pj6ezsgxplgeiqpgajpyqtq7ixwhpppq7cpaf36rkq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
bootkit discovery evasion execution persistence ransomware spyware stealer trojan
Link:
https://tria.ge/reports/240522-r7lg9afa3t/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
NSIS installer
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks for any installed AV software in registry
Checks installed software on the system
Checks whether UAC is enabled
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Writes to the Master Boot Record (MBR)
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies system executable filetype association
Reads user/profile data of web browsers
Registers COM server for autorun
Unexpected DNS network traffic destination
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Installed Components in the registry
Sets service image path in registry
Modifies boot configuration data using bcdedit
UAC bypass
Windows security bypass
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/278678e6-2bc5-4dba-817d-fa3a5e5f4f37
Unpacked files
SH256 hash:
b05176b5e31e9e9f133235deb31110798097e21387d17b1def7c3e2780bbf455
MD5 hash:
e45dcabc64578b3cf27c5338f26862f1
SHA1 hash:
1c376ec14025cabe24672620dcb941684fbd42b3
Link:
https://www.unpac.me/results/882017a1-4f7d-4d92-8757-5fd94d2beb2a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b05176b5e31e9e9f133235deb31110798097e21387d17b1def7c3e2780bbf455

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:MSIL_TinyDownloader_Generic
Create hunting rule
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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 b05176b5e31e9e9f133235deb31110798097e21387d17b1def7c3e2780bbf455

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2845856/
  
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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetTempPathA

Comments