MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4fb544deebaebeeafd11cd467605cc2fcabe262f86b9bbe89ebaeb817b03eb9. 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 1 YARA File information Comments

SHA256 hash: b4fb544deebaebeeafd11cd467605cc2fcabe262f86b9bbe89ebaeb817b03eb9
SHA3-384 hash: 2b055b74efc730d632df6e10b632138f4bef95c797621c0c75333b2b0b5e18146127e47756d67d85c1adc7f9d03d8d2b
SHA1 hash: 6f64c3ad579001e199d45348b4b61a69f6a5cc76
MD5 hash: 202fe8c4c8487ef235bded115448ce6c
humanhash: april-dakota-idaho-glucose
File name:202fe8c4c8487ef235bded115448ce6c.exe
Download: download sample
Signature Smoke Loader
File size:236'544 bytes
First seen:2022-03-10 16:21:02 UTC
Last seen:2022-03-10 17:52:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d809bc338079e5d4a857f85f3782cdd2 (1 x Smoke Loader, 1 x RaccoonStealer)
ssdeep 1536:FuSlPW8QQjfRR81cpObF6vMklIo2+UrCmZ27twUhPRZx5CDhwts/BL8:cnqU/2OrvZ2lZRH5CDhTJL8
Threatray 14'639 similar samples on MalwareBazaar
TLSH T13734AE213690C432C4A365705965C6A16A3FB5B1EBBED9077B98073E0F313D2EB7A316
File icon (PE):PE icon
dhash icon 4839b234e8c38c90 (9 x RaccoonStealer, 4 x RedLineStealer, 4 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader


Avatar
abuse_ch
Smoke Loader C2:
http://91.219.236.212/

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://91.219.236.212/ https://threatfox.abuse.ch/ioc/393367/

Intelligence


File Origin
# of uploads :
2
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Searching for many windows
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Query of malicious DNS domain
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm greyware
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:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Sigma detected: Execution of Suspicious File Type Extension
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)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 586855 Sample: js1SK5U1az.exe Startdate: 10/03/2022 Architecture: WINDOWS Score: 100 30 Multi AV Scanner detection for domain / URL 2->30 32 Found malware configuration 2->32 34 Yara detected SmokeLoader 2->34 36 4 other signatures 2->36 7 js1SK5U1az.exe 2->7         started        10 ewrsejh 2->10         started        process3 signatures4 46 Contains functionality to inject code into remote processes 7->46 48 Injects a PE file into a foreign processes 7->48 12 js1SK5U1az.exe 7->12         started        50 Machine Learning detection for dropped file 10->50 15 ewrsejh 10->15         started        process5 signatures6 52 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Checks if the current machine is a virtual machine (disk enumeration) 12->56 17 explorer.exe 2 12->17 injected 58 Creates a thread in another existing process (thread injection) 15->58 process7 dnsIp8 26 file-coin-host-12.com 80.66.64.204, 49791, 80 VAD-SRL-AS1MD Russian Federation 17->26 28 host-data-coin-11.com 17->28 22 C:\Users\user\AppData\Roaming\ewrsejh, PE32 17->22 dropped 24 C:\Users\user\...\ewrsejh:Zone.Identifier, ASCII 17->24 dropped 38 System process connects to network (likely due to code injection or exploit) 17->38 40 Benign windows process drops PE files 17->40 42 Deletes itself after installation 17->42 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->44 file9 signatures10
Threat name:
Win32.Trojan.Azorult
Status:
Malicious
First seen:
2022-03-10 16:21:10 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://host-data-coin-11.com/
http://file-coin-host-12.com/
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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 b4fb544deebaebeeafd11cd467605cc2fcabe262f86b9bbe89ebaeb817b03eb9

(this sample)

  
Delivery method
Distributed via web download

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