MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 844b9762122145a89c417359e05b32c9f9ad4eb07429fd775e76afac54341be8. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 844b9762122145a89c417359e05b32c9f9ad4eb07429fd775e76afac54341be8
SHA3-384 hash: adc64951de3cdf2bcb81dd1947bd8c5fe15d4356a29be773719a3ad55d9446898561cb17a689378f4a9f1ed0c4df3d6c
SHA1 hash: ac115e3a71843030014e47ebfe887d94029232bb
MD5 hash: 3e04ee63a08c82e021adac6c4b04055f
humanhash: two-quiet-louisiana-red
File name:3e04ee63a08c82e021adac6c4b04055f.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:324'096 bytes
First seen:2020-11-11 16:41:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7c6af8b42ce4c32de9986426801d66e3 (4 x Smoke Loader)
ssdeep 6144:1rmjhSRHILySHtFCawDaky4RgAUlf0Yoiw0Q9:1SURHI2SNFbwDxfPUlsYo0Q
TLSH 45649D2176B0D0F2C59214315461F76026BAB862576489C77BBBEF2A1E313E1E73A34B
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Dropper.Glupteba-9791492-0
Create hunting rule

Win.Dropper.Glupteba-9792183-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Deleting of the original file
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/531037
Signature
Benign windows process drops PE files
Binary contains a suspicious time stamp
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)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 submitted file
Renames NTDLL to bypass HIPS
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/844b9762122145a89c417359e05b32c9f9ad4eb07429fd775e76afac54341be8/
Threat name:
Win32.Backdoor.Quakbot
Create hunting rule
Status:
Malicious
First seen:
2020-11-12 00:20:55 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qrfzoyqsefc2rhcbonm6awzszh422tvqoqu72526o2x2yvbudpua._file
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/201111-g9p9xjfaex/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Deletes itself
Loads dropped DLL
SmokeLoader
Malware Config
C2 Extraction:
http://smk10ddde.com/
Unpacked files
SH256 hash:
844b9762122145a89c417359e05b32c9f9ad4eb07429fd775e76afac54341be8
MD5 hash:
3e04ee63a08c82e021adac6c4b04055f
SHA1 hash:
ac115e3a71843030014e47ebfe887d94029232bb
Link:
https://www.unpac.me/results/291242e2-85e9-4f31-9dd5-193531df2e32/
SH256 hash:
640326eaa9b6d1eebecf4925208ea87f31574b530e81b25575a5ab28f23ba90d
MD5 hash:
701f9a4e569369f69ec1c8d2114f5c09
SHA1 hash:
1964037544e248c943177d19b105e3e5594ca53f
Link:
https://www.unpac.me/results/291242e2-85e9-4f31-9dd5-193531df2e32/
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:win_smokeloader_a2
Create hunting rule
Author:pnx

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 844b9762122145a89c417359e05b32c9f9ad4eb07429fd775e76afac54341be8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/804371/
  
Delivery method
Distributed via web download

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