MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8a974ff0066513b4fac4f6a256a39933af90a9df9b03d6234d1a4bf88b7b0e8. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8a974ff0066513b4fac4f6a256a39933af90a9df9b03d6234d1a4bf88b7b0e8
SHA3-384 hash: 29a20ca447aafa35ed901d28a09d7800ef774010f86a0c82d6e4e660c640fae8f728f16426308583f6eda7901df23b92
SHA1 hash: a30a310bf397ac2c5c15df009f12c91b7a2641b4
MD5 hash: ea8dcf2eee76f737f8796bdbf7e33a06
humanhash: music-cat-fanta-network
File name:ea8dcf2eee76f737f8796bdbf7e33a06
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:222'208 bytes
First seen:2024-02-14 05:52:18 UTC
Last seen:2024-02-14 07:25:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2d17154530ccb4fb6e2b619cbec407bb (2 x Smoke Loader, 1 x RiseProStealer, 1 x LummaStealer)
ssdeep 3072:d3tinQnUoC0pvo/Uw/3BofIclBYKw6tkp3P00gpUCL5HVFUjWjJkp:d3cnQnO+vNlBH1t4P0a65HYjWjm
Threatray 3'221 similar samples on MalwareBazaar
TLSH T1DF249DD137D1D0B2DD532533C6B8CFB14E6E78626321AA8F6BD6967E5E382D0862430D
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d2f0e4c4ccf1c6f9 (3 x Stealc, 1 x GhostSocks, 1 x Smoke Loader)
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
368
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
b8a974ff0066513b4fac4f6a256a39933af90a9df9b03d6234d1a4bf88b7b0e8.exe
Verdict:
Malicious activity
Analysis date:
2024-02-14 05:53:03 UTC
Tags:
loader smoke smokeloader
Link:
https://app.any.run/tasks/cb1099e7-ea3e-46b0-8afc-0dc4b64ed15f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/476078/
Detection(s):
SecuriteInfo.com.Trojan.Siggen26.6993.8998.17103.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Sending an HTTP GET request to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Creating a process from a recently created file
Creating a file
Сreating synchronization primitives
Changing a file
Query of malicious DNS domain
Connection attempt to an infection source
Sending a TCP request to an infection source
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint packed smokeloader
Link:
https://www.filescan.io/uploads/65cc553f721c476da6b322fa/reports/638a9f0e-f447-434e-a603-059a020c04ce/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b8a974ff0066513b4fac4f6a256a39933af90a9df9b03d6234d1a4bf88b7b0e8
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:
Unknown
Link:
https://analyze.intezer.com/analyses/882b24e5-b81c-4459-badb-8e19dee1c7a2
Result
Threat name:
LummaC, Babuk, Djvu, RedLine, SmokeLoade
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1391908
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates HTML files with .exe extension (expired dropper behavior)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Detected VMProtect packer
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
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)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 detect virtualization through RDTSC time measurements
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to resolve many domain names, but no domain seems valid
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Uses cmd line tools excessively to alter registry or file data
Writes a notice file (html or txt) to demand a ransom
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1391908 Sample: oowDCOLXv5.exe Startdate: 14/02/2024 Architecture: WINDOWS Score: 100 116 unexaminablespectrall.fun 2->116 118 trad-einmyus.com 2->118 120 24 other IPs or domains 2->120 144 Snort IDS alert for network traffic 2->144 146 Multi AV Scanner detection for domain / URL 2->146 148 Found malware configuration 2->148 150 22 other signatures 2->150 15 oowDCOLXv5.exe 2->15         started        18 A742.exe 2->18         started        20 gtvbshw 2->20         started        signatures3 process4 signatures5 218 Detected unpacking (changes PE section rights) 15->218 220 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 15->220 222 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 15->222 224 Creates a thread in another existing process (thread injection) 15->224 22 explorer.exe 64 23 15->22 injected 226 Antivirus detection for dropped file 18->226 228 Detected unpacking (overwrites its own PE header) 18->228 230 Machine Learning detection for dropped file 18->230 238 3 other signatures 18->238 27 A742.exe 18->27         started        232 Multi AV Scanner detection for dropped file 20->232 234 Maps a DLL or memory area into another process 20->234 236 Checks if the current machine is a virtual machine (disk enumeration) 20->236 process6 dnsIp7 128 m2reg.ulm.ac.id 103.23.232.80, 49786, 80 UNLAM-AS-IDUniversitasLambungMangkuratID Indonesia 22->128 130 45.15.156.174 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 22->130 132 7 other IPs or domains 22->132 90 C:\Users\user\AppData\Roaming\gtvbshw, PE32 22->90 dropped 92 C:\Users\user\AppData\Local\Temp\F748.exe, PE32 22->92 dropped 94 C:\Users\user\AppData\Local\Temp76D.exe, PE32 22->94 dropped 100 4 other malicious files 22->100 dropped 162 System process connects to network (likely due to code injection or exploit) 22->162 164 Benign windows process drops PE files 22->164 166 Deletes itself after installation 22->166 168 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->168 29 A742.exe 22->29         started        32 885A.exe 22->32         started        34 F748.exe 22->34         started        36 6 other processes 22->36 96 C:\Users\user\_README.txt, ASCII 27->96 dropped 98 C:\Users\user\AppData\Local\...\_README.txt, ASCII 27->98 dropped file8 signatures9 process10 dnsIp11 192 Detected unpacking (changes PE section rights) 29->192 194 Detected unpacking (overwrites its own PE header) 29->194 196 Creates HTML files with .exe extension (expired dropper behavior) 29->196 214 2 other signatures 29->214 39 A742.exe 1 16 29->39         started        198 Multi AV Scanner detection for dropped file 32->198 200 Machine Learning detection for dropped file 32->200 202 Writes to foreign memory regions 32->202 43 RegAsm.exe 32->43         started        54 3 other processes 32->54 204 Allocates memory in foreign processes 34->204 206 Injects a PE file into a foreign processes 34->206 46 RegAsm.exe 34->46         started        48 RegAsm.exe 34->48         started        56 3 other processes 34->56 122 resergvearyinitiani.shop 104.21.94.2 CLOUDFLARENETUS United States 36->122 124 fossillandscapefewkew.site 172.67.137.147 CLOUDFLARENETUS United States 36->124 126 2 other IPs or domains 36->126 208 Antivirus detection for dropped file 36->208 210 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 36->210 212 Uses cmd line tools excessively to alter registry or file data 36->212 216 3 other signatures 36->216 50 conhost.exe 36->50         started        52 reg.exe 1 1 36->52         started        58 4 other processes 36->58 signatures12 process13 dnsIp14 134 api.2ip.ua 172.67.139.220, 443, 49750, 49757 CLOUDFLARENETUS United States 39->134 102 C:\Users\user\AppData\Local\...\A742.exe, PE32 39->102 dropped 60 A742.exe 39->60         started        63 icacls.exe 39->63         started        136 216.98.9.109 ATLANTIC-NET-1US United States 43->136 104 C:\Users\user\AppData\...\softokn3[1].dll, PE32 43->104 dropped 106 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 43->106 dropped 108 C:\Users\user\AppData\...\mozglue[1].dll, PE32 43->108 dropped 110 9 other files (5 malicious) 43->110 dropped 170 Tries to steal Mail credentials (via file / registry access) 43->170 172 Found many strings related to Crypto-Wallets (likely being stolen) 43->172 174 Tries to harvest and steal ftp login credentials 43->174 176 Tries to harvest and steal Bitcoin Wallet information 43->176 138 5.42.65.38, 46185, 49784 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 46->138 178 Tries to harvest and steal browser information (history, passwords, etc) 46->178 180 Tries to steal Crypto Currency Wallets 46->180 182 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 48->182 184 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 48->184 file15 signatures16 process17 signatures18 190 Injects a PE file into a foreign processes 60->190 65 A742.exe 1 26 60->65         started        process19 dnsIp20 114 habrafa.com 190.12.87.61, 49768, 49769, 49772 OPTICALTECHNOLOGIESSACPE Peru 65->114 82 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 65->82 dropped 84 C:\Users\user\AppData\Local\...\build2.exe, PE32 65->84 dropped 86 C:\_README.txt, ASCII 65->86 dropped 88 5 other malicious files 65->88 dropped 152 Modifies existing user documents (likely ransomware behavior) 65->152 70 build2.exe 65->70         started        file21 signatures22 process23 signatures24 154 Multi AV Scanner detection for dropped file 70->154 156 Detected unpacking (changes PE section rights) 70->156 158 Detected unpacking (overwrites its own PE header) 70->158 160 2 other signatures 70->160 73 build2.exe 70->73         started        process25 dnsIp26 140 t.me 149.154.167.99, 443, 49776 TELEGRAMRU United Kingdom 73->140 142 159.69.101.193, 49785, 49787, 49788 HETZNER-ASDE Germany 73->142 112 C:\Users\user\AppData\Local\...\sqlt[1].dll, PE32 73->112 dropped 186 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 73->186 188 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 73->188 78 cmd.exe 73->78         started        file27 signatures28 process29 process30 80 conhost.exe 78->80         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b8a974ff0066513b4fac4f6a256a39933af90a9df9b03d6234d1a4bf88b7b0e8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8a974ff0066513b4fac4f6a256a39933af90a9df9b03d6234d1a4bf88b7b0e8/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-02-13 02:34:16 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
20 of 23 (86.96%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xcuxj7yamzitwt5mj5vck2rzsm5pscu57gyd2yru2gsl7cfxwdua._file
Verdict:
malicious
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+ 3'211 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:dcrat family:djvu family:lumma family:smokeloader family:stealc family:vidar botnet:13bd7290c1961db27b4ede41bfbf4c5e botnet:tfd5 backdoor discovery infostealer persistence ransomware rat spyware stealer trojan vmprotect
Link:
https://tria.ge/reports/240214-glathsbh98/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads data files stored by FTP clients
Reads user/profile data of web browsers
VMProtect packed file
Downloads MZ/PE file
DcRat
Detect Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Lumma Stealer
SmokeLoader
Stealc
Vidar
Malware Config
C2 Extraction:
http://trad-einmyus.com/index.php
http://tradein-myus.com/index.php
http://trade-inmyus.com/index.php
http://habrafa.com/test1/get.php
https://t.me/karl3on
https://steamcommunity.com/profiles/76561199637071579
http://216.98.9.109
https://resergvearyinitiani.shop/api
https://fossillandscapefewkew.site/api
Unpacked files
SH256 hash:
8920c744aebda5cd6304ea1aa88b1a051a5e34a3d5d7d2dab182ef9cb0aec361
MD5 hash:
9f6f0abfef1cad87fbdd302b790ab0be
SHA1 hash:
1e93fbaadbd9d880dd0dde3623b6f16233aa7811
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/6bf52da1-471b-431d-929a-903a9008a0a6/
Parent samples :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 hash:
b8a974ff0066513b4fac4f6a256a39933af90a9df9b03d6234d1a4bf88b7b0e8
MD5 hash:
ea8dcf2eee76f737f8796bdbf7e33a06
SHA1 hash:
a30a310bf397ac2c5c15df009f12c91b7a2641b4
Link:
https://www.unpac.me/results/6bf52da1-471b-431d-929a-903a9008a0a6/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8a974ff0066/report/overview.html
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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 b8a974ff0066513b4fac4f6a256a39933af90a9df9b03d6234d1a4bf88b7b0e8

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/476078/

Comments


Avatar
zbet commented on 2024-02-14 05:52:19 UTC

url : hxxp://galandskiyher5.com/downloads/toolspub5.exe