MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 67c8c2aa16bc4a0da7b2d121808e2971ef4ac58f1ba1a048511ade93c5a8e5de. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: 67c8c2aa16bc4a0da7b2d121808e2971ef4ac58f1ba1a048511ade93c5a8e5de
SHA3-384 hash: b4cc80254450de0b84948d0670179b8a0f000438b0fb93636af5f72470e485f2edd5bacec900840790a3ec54ebbde564
SHA1 hash: d12cfed5db9e0618c5342143877a02e282f4ce21
MD5 hash: 8a19893af727a93f5b59b68769077017
humanhash: colorado-princess-rugby-friend
File name:8a19893af727a93f5b59b68769077017.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:600'064 bytes
First seen:2023-11-11 07:43:27 UTC
Last seen:2023-11-11 09:18:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:V56sPfDWgLPjlLb4eke1qODJuvFnkl4G1F6GRZ28kUu68TtoDZr4AYy4D:V56sPfDtLRI61qKw1GpCGRYV38Y
Threatray 4 similar samples on MalwareBazaar
TLSH T1DCD4125491F6320EE6F9C777CA8462D9927A90337302D267ED02E5497C9E3C386C25EB
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 :
288
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.11011.27608.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Connecting to a non-recommended domain
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Searching for analyzing tools
Searching for the window
Modifying a system file
Launching the default Windows debugger (dwwin.exe)
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
Blocking the Windows Defender launch
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/654f30c82546bd423f1664e8/reports/39166ffb-b5f1-435b-ab34-8d53acdc5f05/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/67c8c2aa16bc4a0da7b2d121808e2971ef4ac58f1ba1a048511ade93c5a8e5de
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.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6395a6cd-03ba-4763-b001-21c0f2e1c266
Result
Threat name:
Glupteba, PrivateLoader, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1341035
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
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 HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disable Windows Defender real time protection (registry)
Disables UAC (registry)
Disables Windows Defender (deletes autostart)
Drops script or batch files to the startup folder
Found evasive API chain checking for user administrative privileges
Found malware configuration
Found Tor onion address
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
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 Glupteba
Yara detected PrivateLoader
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1341035 Sample: rZuTqKdt9q.exe Startdate: 11/11/2023 Architecture: WINDOWS Score: 100 117 Multi AV Scanner detection for domain / URL 2->117 119 Found malware configuration 2->119 121 Malicious sample detected (through community Yara rule) 2->121 123 19 other signatures 2->123 9 rZuTqKdt9q.exe 2 4 2->9         started        12 cmd.exe 2->12         started        14 svchost.exe 2->14         started        process3 dnsIp4 129 Writes to foreign memory regions 9->129 131 Allocates memory in foreign processes 9->131 133 Adds a directory exclusion to Windows Defender 9->133 135 2 other signatures 9->135 17 CasPol.exe 15 276 9->17         started        22 powershell.exe 23 9->22         started        24 conhost.exe 12->24         started        111 104.117.234.93 AKAMAI-ASUS United States 14->111 113 184.86.196.111 AKAMAI-ASUS United States 14->113 115 127.0.0.1 unknown unknown 14->115 signatures5 process6 dnsIp7 91 179.61.12.110 TECNOWEBPERUSACPE Chile 17->91 93 5.42.67.10 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 17->93 95 13 other IPs or domains 17->95 55 C:\Users\...\zLNKgcVBTu8VOXXrZfxfCq4i.exe, PE32 17->55 dropped 57 C:\Users\...\yc2ROxbmYTHNG8bKb5n3PTzW.exe, PE32 17->57 dropped 59 C:\Users\...\xzNxxHbbDwyV5F3gvgXefMZL.exe, PE32 17->59 dropped 61 314 other malicious files 17->61 dropped 125 Drops script or batch files to the startup folder 17->125 127 Creates HTML files with .exe extension (expired dropper behavior) 17->127 26 J4eakz56SBTubKiK8Ns9qxzL.exe 17->26         started        31 E0eiCRUEH1NnfsaF49vX3vK0.exe 17->31         started        33 uYZi29N3FNkYRI6nw3RCy5eA.exe 17->33         started        37 20 other processes 17->37 35 conhost.exe 22->35         started        file8 signatures9 process10 dnsIp11 97 5.182.38.138 VMAGE-ASRU Russian Federation 26->97 99 149.154.167.99 TELEGRAMRU United Kingdom 26->99 101 168.119.173.77 HETZNER-ASDE Germany 26->101 85 12 other files (8 malicious) 26->85 dropped 137 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->137 139 Tries to harvest and steal ftp login credentials 26->139 141 Tries to harvest and steal browser information (history, passwords, etc) 26->141 143 Tries to steal Crypto Currency Wallets 26->143 105 4 other IPs or domains 31->105 73 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 31->73 dropped 145 Query firmware table information (likely to detect VMs) 31->145 147 Disables Windows Defender (deletes autostart) 31->147 149 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 31->149 159 5 other signatures 31->159 103 107.167.110.211 OPERASOFTWAREUS United States 33->103 107 4 other IPs or domains 33->107 75 Opera_installer_2311110751280337316.dll, PE32 33->75 dropped 77 C:\Users\...\uYZi29N3FNkYRI6nw3RCy5eA.exe, PE32 33->77 dropped 87 4 other malicious files 33->87 dropped 151 Found evasive API chain checking for user administrative privileges 33->151 39 uYZi29N3FNkYRI6nw3RCy5eA.exe 33->39         started        42 uYZi29N3FNkYRI6nw3RCy5eA.exe 33->42         started        109 2 other IPs or domains 37->109 79 Opera_installer_2311110751448046476.dll, PE32 37->79 dropped 81 Opera_installer_2311110751381387744.dll, PE32 37->81 dropped 83 C:\Users\user\AppData\Local\...\opera_package, PE32 37->83 dropped 89 3 other malicious files 37->89 dropped 153 Detected unpacking (changes PE section rights) 37->153 155 Detected unpacking (overwrites its own PE header) 37->155 157 Tries to detect sandboxes and other dynamic analysis tools (window names) 37->157 161 4 other signatures 37->161 44 EcxUxj8TgvX8FgGAfRYa3IJv.exe 37->44         started        47 Ij8uRA809lyFZnT9MypIgfL8.exe 37->47         started        49 Ij8uRA809lyFZnT9MypIgfL8.exe 37->49         started        51 2 other processes 37->51 file12 signatures13 process14 file15 63 Opera_installer_2311110751305997364.dll, PE32 39->63 dropped 65 Opera_installer_2311110751339167572.dll, PE32 42->65 dropped 163 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 44->163 165 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 44->165 167 Maps a DLL or memory area into another process 44->167 169 Checks if the current machine is a virtual machine (disk enumeration) 44->169 53 explorer.exe 44->53 injected 67 Opera_installer_2311110751385567920.dll, PE32 47->67 dropped 69 Opera_installer_2311110751549518080.dll, PE32 49->69 dropped 71 Opera_installer_2311110751471367780.dll, PE32 51->71 dropped signatures16 process17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/67c8c2aa16bc4a0da7b2d121808e2971ef4ac58f1ba1a048511ade93c5a8e5de
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/67c8c2aa16bc4a0da7b2d121808e2971ef4ac58f1ba1a048511ade93c5a8e5de/
Threat name:
Win32.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2023-11-10 19:06:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m7emfkqwxrfa3j5s2eqybdrjohxuvrmpdoq2ascrdlpjhrni4xpa._file
Verdict:
malicious
Similar samples:
a6d9fe603fd005b5fa8e29eeb04e8b312a8083f58f38ec4367faf1bf6a6ce2dd
Smoke Loader
d49b370f904ed81206f425ffcb258c6e52d2de21cfd43d225506f2236e5f1f44
Smoke Loader
f36fc8e0bb8eab645cf6b4876e588dc427575a4fb25db629598b29f1d9328756
Smoke Loader
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:dcrat family:glupteba family:privateloader family:smokeloader botnet:pub1 backdoor discovery dropper evasion infostealer loader persistence rat rootkit spyware stealer themida trojan upx
Link:
https://tria.ge/reports/231111-jktlcade62/
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: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Windows directory
Launches sc.exe
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
Manipulates WinMon driver.
Manipulates WinMonFS driver.
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
Drops file in Drivers directory
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Modifies boot configuration data using bcdedit
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:
67c8c2aa16bc4a0da7b2d121808e2971ef4ac58f1ba1a048511ade93c5a8e5de
MD5 hash:
8a19893af727a93f5b59b68769077017
SHA1 hash:
d12cfed5db9e0618c5342143877a02e282f4ce21
Link:
https://www.unpac.me/results/fb47cadb-ae2b-434c-8c7a-312673451996/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/67c8c2aa16bc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/67c8c2aa16bc4a0da7b2d121808e2971ef4ac58f1ba1a048511ade93c5a8e5de

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
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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 67c8c2aa16bc4a0da7b2d121808e2971ef4ac58f1ba1a048511ade93c5a8e5de

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2728931/
  
Delivery method
Distributed via web download

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