MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6917d78000e1b9fc8a4b0bc49ad7a4458d5e61c29ca9ca2660479f65a3ce3d72. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments 1

SHA256 hash: 6917d78000e1b9fc8a4b0bc49ad7a4458d5e61c29ca9ca2660479f65a3ce3d72
SHA3-384 hash: fe8cb6ddb6269b87f756a7087b037c8b12e88745608f12cc12dbcc8204c045c6a068e3dc4815737f8108cfdd5179bb7e
SHA1 hash: a00fb29cd9da6fd14298377447215871371d97f3
MD5 hash: 9a71a69f66b67df8a4d5a849b3832986
humanhash: mississippi-ohio-oven-zulu
File name:9a71a69f66b67df8a4d5a849b3832986
Download: download sample
Signature Smoke Loader
File size:17'408 bytes
First seen:2022-12-09 05:00:34 UTC
Last seen:2022-12-09 06:28:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 192:buBSBliQRP3LgtosfR5d1+BNMGBUKdepk0KVOyghWsxu3z0xGaBZOvXR:bNvvLUT571SUaepk0OOyd3z0zY
TLSH T183724C046389C363D8B78F3259F71F91A5F4E2685A37060ED495263ECE03719CD6BBA1
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 489669d8d8699648 (53 x AgentTesla, 24 x SnakeKeylogger, 16 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
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:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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)
Creates a thread in another existing process (thread injection)
Encrypted powershell cmdline option found
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 763929 Sample: k6yUwf2F5H.exe Startdate: 09/12/2022 Architecture: WINDOWS Score: 100 51 www.minasvix.com.br 2->51 53 cletonmy.com 2->53 71 Multi AV Scanner detection for domain / URL 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Antivirus detection for URL or domain 2->75 77 6 other signatures 2->77 11 k6yUwf2F5H.exe 16 7 2->11         started        signatures3 process4 dnsIp5 55 www.minasvix.com.br 11->55 45 C:\Users\user\AppData\...jmellng.exe, PE32 11->45 dropped 47 C:\Users\...jmellng.exe:Zone.Identifier, ASCII 11->47 dropped 49 C:\Users\user\AppData\...\k6yUwf2F5H.exe.log, ASCII 11->49 dropped 87 Encrypted powershell cmdline option found 11->87 89 Injects a PE file into a foreign processes 11->89 16 k6yUwf2F5H.exe 11->16         started        19 powershell.exe 16 11->19         started        21 k6yUwf2F5H.exe 11->21         started        file6 signatures7 process8 signatures9 63 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 16->63 65 Maps a DLL or memory area into another process 16->65 67 Checks if the current machine is a virtual machine (disk enumeration) 16->67 69 Creates a thread in another existing process (thread injection) 16->69 23 explorer.exe 16->23 injected 25 conhost.exe 19->25         started        process10 process11 27 Ejmellng.exe 14 4 23->27         started        31 Ejmellng.exe 3 23->31         started        dnsIp12 57 www.minasvix.com.br 27->57 59 192.168.2.1 unknown unknown 27->59 79 Multi AV Scanner detection for dropped file 27->79 81 Machine Learning detection for dropped file 27->81 83 Encrypted powershell cmdline option found 27->83 33 powershell.exe 27->33         started        35 Ejmellng.exe 27->35         started        61 www.minasvix.com.br 31->61 85 Injects a PE file into a foreign processes 31->85 37 powershell.exe 31->37         started        39 Ejmellng.exe 31->39         started        signatures13 process14 process15 41 conhost.exe 33->41         started        43 conhost.exe 37->43         started       
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2022-12-08 04:59:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 26 (76.92%)
Threat level:
  3/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor persistence trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Detects Smokeloader packer
SmokeLoader
Unpacked files
SH256 hash:
6917d78000e1b9fc8a4b0bc49ad7a4458d5e61c29ca9ca2660479f65a3ce3d72
MD5 hash:
9a71a69f66b67df8a4d5a849b3832986
SHA1 hash:
a00fb29cd9da6fd14298377447215871371d97f3
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 6917d78000e1b9fc8a4b0bc49ad7a4458d5e61c29ca9ca2660479f65a3ce3d72

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-12-09 05:00:39 UTC

url : hxxp://23.94.231.161/220/vbc.exe