MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5396263b275a0b90f4158b5555742108df3fe62c19b99c0ca45c03c619e2ec1. 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 7 File information Comments

SHA256 hash: e5396263b275a0b90f4158b5555742108df3fe62c19b99c0ca45c03c619e2ec1
SHA3-384 hash: 8733f6821ec242f152e881576fb60e3bcd3b3938155d6587796e3862a045cfcf8f141eac90a53e5a20965e69fd58c052
SHA1 hash: b76bda6bfe5f45bd4cd17972b6e3732659624c70
MD5 hash: a30442e67393eb51dada93134be85a41
humanhash: alaska-whiskey-triple-india
File name:a30442e67393eb51dada93134be85a41.exe
Download: download sample
Signature Smoke Loader
File size:953'632 bytes
First seen:2023-12-10 16:21:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6b37f11fc7c7acdee17d5888878cc6f9 (4 x RedLineStealer, 3 x LummaStealer, 2 x RiseProStealer)
ssdeep 12288:2ol6Qe7S/+322Ghabdq399BObcCiZFU6d5WDAWHKVbnIGWBuhNy3yXEUHmMB:l6O/+3HGhabdO9pe6f8/SMPLCXTmMB
Threatray 3'274 similar samples on MalwareBazaar
TLSH T18C158DE138C09073DEE220B646ECB63542ADD4B7071516DF46D85BEEDB606C23F36A86
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
290
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Creating a window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Sending an HTTP GET request to an infection source
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed
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:
Glupteba, PureLog Stealer, RedLine, Smok
Detection:
malicious
Classification:
troj.adwa.spyw.expl.evad.mine
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
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 inject code into remote processes
Creates a thread in another existing process (thread injection)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found Tor onion address
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Schedule binary from dotnet directory
Snort IDS alert for network traffic
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
UAC bypass detected (Fodhelper)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Glupteba
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1357404 Sample: tFXV5OO73i.exe Startdate: 10/12/2023 Architecture: WINDOWS Score: 100 114 cdn.up4download.xyz 2->114 116 www.runeelite.com 2->116 118 5 other IPs or domains 2->118 144 Snort IDS alert for network traffic 2->144 146 Multi AV Scanner detection for domain / URL 2->146 148 Found malware configuration 2->148 152 16 other signatures 2->152 12 tFXV5OO73i.exe 1 2->12         started        15 svchost.exe 40 2->15         started        17 svchost.exe 2 1 2->17         started        19 cacufwe 2->19         started        signatures3 150 Performs DNS queries to domains with low reputation 114->150 process4 signatures5 198 Contains functionality to inject code into remote processes 12->198 200 Writes to foreign memory regions 12->200 202 Allocates memory in foreign processes 12->202 204 Injects a PE file into a foreign processes 12->204 21 AppLaunch.exe 12->21         started        24 conhost.exe 12->24         started        26 WerFault.exe 22 16 12->26         started        28 WerFault.exe 2 15->28         started        process6 signatures7 186 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 21->186 188 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 21->188 190 Maps a DLL or memory area into another process 21->190 196 2 other signatures 21->196 30 explorer.exe 60 24 21->30 injected 192 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 24->192 194 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 24->194 process8 dnsIp9 130 runeelite.com 45.137.21.8 ROOTLAYERNETNL Netherlands 30->130 132 185.172.128.19, 49718, 80 NADYMSS-ASRU Russian Federation 30->132 134 3 other IPs or domains 30->134 106 C:\Users\user\AppData\Roaming\sfcufwe, PE32 30->106 dropped 108 C:\Users\user\AppData\Local\Temp\F66F.exe, PE32 30->108 dropped 110 C:\Users\user\AppData\Local\Temp\F40F.exe, PE32 30->110 dropped 112 9 other files (8 malicious) 30->112 dropped 136 System process connects to network (likely due to code injection or exploit) 30->136 138 Benign windows process drops PE files 30->138 140 Adds a directory exclusion to Windows Defender 30->140 142 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->142 35 35DA.exe 30->35         started        39 F15D.exe 5 30->39         started        41 4B47.exe 30->41         started        43 7 other processes 30->43 file10 signatures11 process12 dnsIp13 84 C:\Users\user\AppData\Local\Temp\tuc3.exe, PE32 35->84 dropped 86 C:\Users\user\AppData\Local\...\toolspub2.exe, PE32 35->86 dropped 88 C:\Users\user\AppData\Local\...\latestX.exe, PE32+ 35->88 dropped 94 2 other malicious files 35->94 dropped 164 Antivirus detection for dropped file 35->164 166 Multi AV Scanner detection for dropped file 35->166 168 Machine Learning detection for dropped file 35->168 46 31839b57a4f11171d6abc8bbc4451ee4.exe 35->46         started        49 toolspub2.exe 35->49         started        51 latestX.exe 35->51         started        63 4 other processes 35->63 90 C:\Users\user\AppData\Roaming\...\File2.exe, PE32 39->90 dropped 92 C:\Users\user\AppData\Roaming\...\File1.exe, PE32 39->92 dropped 54 File1.exe 39->54         started        57 File2.exe 39->57         started        59 conhost.exe 39->59         started        170 Found many strings related to Crypto-Wallets (likely being stolen) 41->170 172 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 41->172 174 Writes to foreign memory regions 41->174 184 2 other signatures 41->184 61 cmd.exe 41->61         started        124 api4.ipify.org 104.237.62.212 WEBNXUS United States 43->124 126 77.105.132.87 PLUSTELECOM-ASRU Russian Federation 43->126 128 80.85.241.169 MEDIAL-ASRU Russian Federation 43->128 176 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 43->176 178 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 43->178 180 Tries to harvest and steal browser information (history, passwords, etc) 43->180 182 Tries to steal Crypto Currency Wallets 43->182 65 5 other processes 43->65 file14 signatures15 process16 dnsIp17 206 Antivirus detection for dropped file 46->206 208 Multi AV Scanner detection for dropped file 46->208 210 Detected unpacking (changes PE section rights) 46->210 226 5 other signatures 46->226 212 Injects a PE file into a foreign processes 49->212 67 toolspub2.exe 49->67         started        96 C:\Program Filesbehaviorgraphoogle\Chrome\updater.exe, PE32+ 51->96 dropped 98 C:\Windows\System32\drivers\etc\hosts, ASCII 51->98 dropped 214 Modifies the hosts file 51->214 216 Adds a directory exclusion to Windows Defender 51->216 120 176.123.10.211, 47430, 49719 ALEXHOSTMD Moldova Republic of 54->120 218 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 54->218 220 Found many strings related to Crypto-Wallets (likely being stolen) 54->220 222 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 54->222 122 176.123.7.190, 32927, 49720 ALEXHOSTMD Moldova Republic of 57->122 224 Uses ipconfig to lookup or modify the Windows network settings 61->224 70 conhost.exe 61->70         started        72 ipconfig.exe 61->72         started        100 C:\Users\user\AppData\Local\Temp\...\tuc3.tmp, PE32 63->100 dropped 102 C:\Users\user\AppData\Local\Temp\Broom.exe, PE32 63->102 dropped 74 Broom.exe 63->74         started        76 tuc3.tmp 63->76         started        104 C:\Users\user\AppData\Local\...\AppLaunch.exe, PE32 65->104 dropped 78 cmd.exe 65->78         started        file18 signatures19 process20 signatures21 154 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 67->154 156 Maps a DLL or memory area into another process 67->156 158 Checks if the current machine is a virtual machine (disk enumeration) 67->158 160 Creates a thread in another existing process (thread injection) 67->160 162 Multi AV Scanner detection for dropped file 74->162 80 conhost.exe 78->80         started        82 chcp.com 78->82         started        process22
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2023-12-07 17:18:23 UTC
File Type:
PE (Exe)
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Program crash
Suspicious use of SetThreadContext
SmokeLoader
Malware Config
C2 Extraction:
http://81.19.131.34/fks/index.php
Malware family:
SmokeLoader
Verdict:
Malicious
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Author:malware-lu
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.

Comments