MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcd3cfc0e38cef0621712f3edfd6f327a236b442a05c77bf8d6b89f8d473a2e7. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: fcd3cfc0e38cef0621712f3edfd6f327a236b442a05c77bf8d6b89f8d473a2e7
SHA3-384 hash: d5730d92e0e28d6089f352338a964d006f6c900c272b06081f9799bff4ae89e5b6eafbe42ff6a863e9ac0cf84e845a2b
SHA1 hash: 2abfa8eb4269a788a4aaadf9103a615fd66c6907
MD5 hash: d0290788a3aa85b2ad7705c975e4174d
humanhash: oranges-nineteen-green-lake
File name:SecuriteInfo.com.W32.MSIL_Troj.CYF.gen.Eldorado.14198.23881
Download: download sample
Signature Smoke Loader
File size:416'768 bytes
First seen:2023-11-08 18:19:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:VGBkp7nEhTx6/zLVRht4z/Xj6+1hyDFiYAGY4W5CP3gT/E+VWdPZ1vpMT4KtuP:WkBAleRb4TeBk94/gTsECPjRAEP
Threatray 4 similar samples on MalwareBazaar
TLSH T1E894E108B4E9E07AE1B5F13FCE595515427702BA2001A9B23CCA9FBEE319D8467D3BC5
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 SecuriteInfoCom
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
427
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
DNS request
Sending a custom TCP request
Connecting to a non-recommended domain
Sending an HTTP GET request
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Running batch commands
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
Unauthorized injection to a recently created process by context flags manipulation
Adding exclusions to Windows Defender
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin msdeploy 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:
SmokeLoader, onlyLogger
Detection:
malicious
Classification:
troj.adwa.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 / Scanner detection for submitted sample
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
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies Group Policy settings
Modifies the hosts file
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
PE file contains section with special chars
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 harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected onlyLogger
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1339286 Sample: SecuriteInfo.com.W32.MSIL_T... Startdate: 08/11/2023 Architecture: WINDOWS Score: 100 110 Malicious sample detected (through community Yara rule) 2->110 112 Antivirus detection for URL or domain 2->112 114 Antivirus detection for dropped file 2->114 116 13 other signatures 2->116 9 SecuriteInfo.com.W32.MSIL_Troj.CYF.gen.Eldorado.14198.23881.exe 2 4 2->9         started        12 cmd.exe 2->12         started        process3 signatures4 126 Writes to foreign memory regions 9->126 128 Allocates memory in foreign processes 9->128 130 Adds a directory exclusion to Windows Defender 9->130 132 2 other signatures 9->132 14 CasPol.exe 15 318 9->14         started        19 powershell.exe 19 9->19         started        21 conhost.exe 12->21         started        process5 dnsIp6 100 85.209.11.204 SYNGB Russian Federation 14->100 102 107.167.110.216 OPERASOFTWAREUS United States 14->102 104 18 other IPs or domains 14->104 78 C:\Users\...\ztF2iEip3k6cs5OkOJQEtnEC.exe, PE32 14->78 dropped 80 C:\Users\...\zHSsDRW0RIH5mco9eJU6SyHM.exe, PE32 14->80 dropped 82 C:\Users\...\y9WxLEiNC0VSQPPyF6ziqSvJ.exe, PE32+ 14->82 dropped 84 290 other malicious files 14->84 dropped 106 Drops script or batch files to the startup folder 14->106 108 Creates HTML files with .exe extension (expired dropper behavior) 14->108 23 UNPfpHlRb9jjwjB6RtSWx7vM.exe 14->23         started        28 SsT0n8st2igurf3krEki8Rat.exe 14->28         started        30 qMtXKiCOGDA88F0zxMAWcfLb.exe 14->30         started        34 23 other processes 14->34 32 conhost.exe 19->32         started        file7 signatures8 process9 dnsIp10 86 94.142.138.131 IHOR-ASRU Russian Federation 23->86 96 2 other IPs or domains 23->96 60 C:\Users\...\nHCCSpIeHWKVbQ9w5jrFmyBy.exe, PE32 23->60 dropped 62 C:\Users\...\jGyQXelPWf96f_FzABqo9tey.exe, PE32 23->62 dropped 64 C:\Users\...\hPREZTikcPm3k5ou9fsGS1rS.exe, PE32 23->64 dropped 72 10 other malicious files 23->72 dropped 134 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 23->134 136 Query firmware table information (likely to detect VMs) 23->136 138 Tries to detect sandboxes and other dynamic analysis tools (window names) 23->138 152 6 other signatures 23->152 88 149.154.167.99 TELEGRAMRU United Kingdom 28->88 90 116.203.165.60 HETZNER-ASDE Germany 28->90 74 12 other files (8 malicious) 28->74 dropped 140 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 28->140 142 Tries to harvest and steal browser information (history, passwords, etc) 28->142 144 Contains functionality to inject code into remote processes 30->144 146 Injects a PE file into a foreign processes 30->146 36 qMtXKiCOGDA88F0zxMAWcfLb.exe 30->36         started        92 107.167.110.211 OPERASOFTWAREUS United States 34->92 94 107.167.110.218 OPERASOFTWAREUS United States 34->94 98 5 other IPs or domains 34->98 66 Opera_installer_2311081821178727780.dll, PE32 34->66 dropped 68 Opera_installer_2311081821052902892.dll, PE32 34->68 dropped 70 C:\Users\user\AppData\Local\Temp\Broom.exe, PE32 34->70 dropped 76 4 other malicious files 34->76 dropped 148 Modifies the hosts file 34->148 150 Sample uses process hollowing technique 34->150 39 gqE2SfhS4DhQXQQBn45VCTzu.exe 34->39         started        42 Broom.exe 34->42         started        44 qAcpCuoAzgXePFClTFY7yczy.exe 34->44         started        46 5 other processes 34->46 file11 signatures12 process13 file14 118 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 36->118 120 Maps a DLL or memory area into another process 36->120 122 Checks if the current machine is a virtual machine (disk enumeration) 36->122 48 explorer.exe 36->48 injected 50 C:\Users\user\AppData\...\2438975591.exe, PE32 39->50 dropped 52 C:\Users\user\AppData\Local\...\s51[1], PE32 39->52 dropped 54 C:\Users\user\AppData\Local\...\s51[1], PE32 39->54 dropped 124 Multi AV Scanner detection for dropped file 42->124 56 Opera_installer_2311081821063931088.dll, PE32 44->56 dropped 58 Opera_installer_2311081821081977180.dll, PE32 46->58 dropped signatures15 process16
Threat name:
ByteCode-MSIL.Trojan.Nekark
Status:
Malicious
First seen:
2023-11-08 18:20:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:amadey family:glupteba family:smokeloader botnet:pub1 backdoor dropper evasion loader spyware stealer themida trojan upx
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
Launches sc.exe
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
UPX packed file
Windows security modification
Downloads MZ/PE file
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Stops running service(s)
Modifies boot configuration data using bcdedit
Amadey
Glupteba
Glupteba payload
SmokeLoader
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
http://host-file-host6.com/
http://host-host-file8.com/
Unpacked files
SH256 hash:
dff68397d47c950f03d560fb0b9a6b7cdc82596059a591e4bf66f456ee8dd2bf
MD5 hash:
fba245650f6a7e1f81b1a0628af6fa67
SHA1 hash:
767b42a5153a62c2006c65e51e0faa4ea0a1ebfd
SH256 hash:
fcd3cfc0e38cef0621712f3edfd6f327a236b442a05c77bf8d6b89f8d473a2e7
MD5 hash:
d0290788a3aa85b2ad7705c975e4174d
SHA1 hash:
2abfa8eb4269a788a4aaadf9103a615fd66c6907
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 fcd3cfc0e38cef0621712f3edfd6f327a236b442a05c77bf8d6b89f8d473a2e7

(this sample)

  
Delivery method
Distributed via web download

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