MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2098861183af17f90540b06c78ca66f03cf2a33ddde87f1649fdec0e85270f48. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 2098861183af17f90540b06c78ca66f03cf2a33ddde87f1649fdec0e85270f48
SHA3-384 hash: 1c1702a3c67a7692b254c61c5eb1e1a33443b81042967b08000c5d7c4be7bbd16276ec084ea33b01b176c15bbd681c12
SHA1 hash: cbbb31cfffeb94f088a72154b2a77e4f191e8d4d
MD5 hash: 592d80ab08dba050caebc4c976096aba
humanhash: victor-rugby-aspen-princess
File name:592d80ab08dba050caebc4c976096aba.exe
Download: download sample
Signature Smoke Loader
File size:523'264 bytes
First seen:2023-11-11 07:52:22 UTC
Last seen:2023-11-11 09:19:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:qx01BQy5i8c87n1T4DeAm9NBMG31/aOkDVyHos/Rpo9D:qi1BfiLy99A0Z3B4VOE
Threatray 5 similar samples on MalwareBazaar
TLSH T1C0B4012490B9528EF6EA8A7BC9C173E452766133B30AC316EE45F055A85DBC7CBC14B3
TrID 35.4% (.EXE) Win64 Executable (generic) (10523/12/4)
22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.1% (.EXE) Win32 Executable (generic) (4505/5/1)
6.9% (.ICL) Windows Icons Library (generic) (2059/9)
6.8% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
307
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Sending a custom TCP request
DNS request
Connecting to a non-recommended domain
Sending an HTTP GET request
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Blocking the User Account Control
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Adding exclusions to Windows Defender
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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:
PrivateLoader, SmokeLoader
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
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 HTML files with .exe extension (expired dropper behavior)
Disable Windows Defender real time protection (registry)
Disables UAC (registry)
Disables Windows Defender (deletes autostart)
Drops script or batch files to the startup folder
Hides threads from debuggers
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 Group Policy settings
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
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 evade debugger and weak emulator (self modifying code)
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 steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PrivateLoader
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1341054 Sample: g6I249WYgg.exe Startdate: 11/11/2023 Architecture: WINDOWS Score: 100 132 Multi AV Scanner detection for domain / URL 2->132 134 Malicious sample detected (through community Yara rule) 2->134 136 Antivirus detection for URL or domain 2->136 138 13 other signatures 2->138 9 g6I249WYgg.exe 2 4 2->9         started        12 cmd.exe 2->12         started        14 svchost.exe 2->14         started        process3 dnsIp4 144 Writes to foreign memory regions 9->144 146 Allocates memory in foreign processes 9->146 148 Adds a directory exclusion to Windows Defender 9->148 150 2 other signatures 9->150 17 CasPol.exe 15 275 9->17         started        22 powershell.exe 21 9->22         started        24 conhost.exe 12->24         started        26 or2YWJK66KyLptijNsaTuCOo.exe 12->26         started        122 104.117.234.93 AKAMAI-ASUS United States 14->122 124 127.0.0.1 unknown unknown 14->124 signatures5 process6 dnsIp7 102 179.61.12.110 TECNOWEBPERUSACPE Chile 17->102 104 5.42.67.10 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 17->104 106 13 other IPs or domains 17->106 62 C:\Users\...\zwdDXSfkcvecxC6CjQsBb7TM.exe, PE32 17->62 dropped 64 C:\Users\...\xtUvY8fdcF13Hzu3Wzy6dv5h.exe, PE32 17->64 dropped 66 C:\Users\...\tqPsg9WrPdsJsiYIbeLBPc8K.exe, PE32+ 17->66 dropped 68 314 other malicious files 17->68 dropped 140 Drops script or batch files to the startup folder 17->140 142 Creates HTML files with .exe extension (expired dropper behavior) 17->142 28 OH9QfjEmcNnYtcxq1lqZUdj3.exe 17->28         started        33 SwPH4MD3u12spN9SBomeKnTM.exe 17->33         started        35 cLWE7qfuJWqY5b4XQ5U1cssC.exe 17->35         started        39 18 other processes 17->39 37 conhost.exe 22->37         started        file8 signatures9 process10 dnsIp11 108 149.154.167.99 TELEGRAMRU United Kingdom 28->108 110 168.119.173.77 HETZNER-ASDE Germany 28->110 98 12 other files (8 malicious) 28->98 dropped 152 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->152 154 Tries to harvest and steal ftp login credentials 28->154 156 Tries to harvest and steal browser information (history, passwords, etc) 28->156 158 Tries to steal Crypto Currency Wallets 28->158 116 4 other IPs or domains 33->116 84 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 33->84 dropped 160 Query firmware table information (likely to detect VMs) 33->160 162 Disables Windows Defender (deletes autostart) 33->162 164 Modifies Group Policy settings 33->164 172 4 other signatures 33->172 112 107.167.110.211 OPERASOFTWAREUS United States 35->112 118 2 other IPs or domains 35->118 86 Opera_installer_2311110808442337112.dll, PE32 35->86 dropped 88 C:\Users\...\cLWE7qfuJWqY5b4XQ5U1cssC.exe, PE32 35->88 dropped 90 Opera_104.0.4944.5...toupdate_x64[3].exe, PE32 35->90 dropped 41 cLWE7qfuJWqY5b4XQ5U1cssC.exe 35->41         started        44 cLWE7qfuJWqY5b4XQ5U1cssC.exe 35->44         started        46 cLWE7qfuJWqY5b4XQ5U1cssC.exe 35->46         started        114 107.167.110.218 OPERASOFTWAREUS United States 39->114 120 3 other IPs or domains 39->120 92 Opera_installer_2311110808577257852.dll, PE32 39->92 dropped 94 Opera_installer_2311110808533377576.dll, PE32 39->94 dropped 96 C:\Users\...\R1XC9NzDlh1NDBB8R0zOF9yY.exe, PE32 39->96 dropped 100 2 other malicious files 39->100 dropped 166 Tries to detect sandboxes and other dynamic analysis tools (window names) 39->166 168 Contains functionality to inject code into remote processes 39->168 170 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 39->170 174 2 other signatures 39->174 48 VKZXDNEG20A9OXWtaavF4ROg.exe 39->48         started        51 4eETPFCcU2nxaHs7LsJUvlEQ.exe 39->51         started        53 R1XC9NzDlh1NDBB8R0zOF9yY.exe 39->53         started        55 4eETPFCcU2nxaHs7LsJUvlEQ.exe 39->55         started        file12 signatures13 process14 file15 70 Opera_installer_2311110808585077916.dll, PE32 41->70 dropped 57 cLWE7qfuJWqY5b4XQ5U1cssC.exe 41->57         started        72 Opera_installer_2311110808452533196.dll, PE32 44->72 dropped 74 Opera_installer_2311110808467067276.dll, PE32 46->74 dropped 126 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 48->126 128 Maps a DLL or memory area into another process 48->128 130 Checks if the current machine is a virtual machine (disk enumeration) 48->130 60 explorer.exe 48->60 injected 76 Opera_installer_2311110808571757684.dll, PE32 51->76 dropped 78 Opera_installer_2311110809110057976.dll, PE32 53->78 dropped 80 Opera_installer_2311110808596748080.dll, PE32 55->80 dropped signatures16 process17 file18 82 Opera_installer_2311110809055028088.dll, PE32 57->82 dropped
Threat name:
Win32.Backdoor.Androm
Status:
Malicious
First seen:
2023-11-11 03:16:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:dcrat family:glupteba family:privateloader family:smokeloader botnet:pub1 backdoor discovery dropper evasion infostealer loader persistence rat spyware stealer themida trojan upx
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks installed software on the system
Checks whether UAC is enabled
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Checks BIOS information in registry
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Themida packer
UPX packed file
Windows security modification
Downloads MZ/PE file
Modifies Windows Firewall
Identifies VirtualBox via ACPI registry values (likely anti-VM)
DcRat
Glupteba
Glupteba payload
PrivateLoader
SmokeLoader
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
http://host-file-host6.com/
http://host-host-file8.com/
Unpacked files
SH256 hash:
2098861183af17f90540b06c78ca66f03cf2a33ddde87f1649fdec0e85270f48
MD5 hash:
592d80ab08dba050caebc4c976096aba
SHA1 hash:
cbbb31cfffeb94f088a72154b2a77e4f191e8d4d
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 2098861183af17f90540b06c78ca66f03cf2a33ddde87f1649fdec0e85270f48

(this sample)

  
Delivery method
Distributed via web download

Comments