MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6ec96043dba7722cac4ed24b6979fc71a758bdf18ca44353c19194c172bf621. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6ec96043dba7722cac4ed24b6979fc71a758bdf18ca44353c19194c172bf621
SHA3-384 hash: 1b2f998aca8fa9d4dfbb62443f941ce47a9fdb63dfae5b4fbfb0eb794c48c180c4f52b15f14e29417ee6377396cf215f
SHA1 hash: 108a8b5f1eaf9ef078a3dc0210e6aa961d6b3787
MD5 hash: 9ac835c38d4d0c6466e641427a2cf8f1
humanhash: bravo-sad-neptune-nine
File name:9ac835c38d4d0c6466e641427a2cf8f1.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:33'280 bytes
First seen:2021-03-03 18:59:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:FrqQ7AmV3rjBkyo1bGk/8K9hWEZbcEtwTxC+YASD+3bUYlyKQ:F33k6ZEZuFCnARD+
Threatray 116 similar samples on MalwareBazaar
TLSH 30E2D079AA983CB5D1334A30C6CD8DF94EF5C64E2430861D6FB8BCDEAD5B4442A191C7
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader


Avatar
abuse_ch
Smoke Loader C2:
http://cfsmarthome.net/1/

Intelligence

File Origin
# of uploads :
1
# of downloads :
374
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TRD-ENQ-19-0143-CFSM-SIS.xls
Verdict:
Malicious activity
Analysis date:
2021-03-03 14:03:35 UTC
Tags:
macros ta505 maldoc-33 trojan loader smoke
Link:
https://app.any.run/tasks/84f5993d-12a8-4d3d-a106-df5ea3442c19

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/122002/
Detection(s):
Win.Malware.Razy-7588168-0
Create hunting rule

Win.Malware.Razy-7588195-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST request
Deleting of the original file
Enabling autorun by creating a file
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/626980
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
Changes memory attributes in foreign processes to executable or writable
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Found strings related to Crypto-Mining
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hijacks the control flow in another process
Injects code into the Windows Explorer (explorer.exe)
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 dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file has a writeable .text section
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 362476 Sample: lZdy9v3sd7.exe Startdate: 04/03/2021 Architecture: WINDOWS Score: 100 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 4 other signatures 2->59 8 lZdy9v3sd7.exe 2->8         started        11 vifcshes.exe 2->11         started        process3 signatures4 77 Maps a DLL or memory area into another process 8->77 13 explorer.exe 5 8->13 injected 79 Antivirus detection for dropped file 11->79 81 Multi AV Scanner detection for dropped file 11->81 83 Machine Learning detection for dropped file 11->83 process5 dnsIp6 49 cfsmarthome.net 198.177.124.19, 49745, 80 FINALFRONTIERVG United States 13->49 51 www.msftncsi.com 13->51 45 C:\Users\user\AppData\...\vifcshes.exe, PE32 13->45 dropped 47 C:\Users\...\vifcshes.exe:Zone.Identifier, ASCII 13->47 dropped 85 Benign windows process drops PE files 13->85 87 Injects code into the Windows Explorer (explorer.exe) 13->87 89 Deletes itself after installation 13->89 91 2 other signatures 13->91 18 explorer.exe 13->18         started        21 explorer.exe 13->21         started        23 explorer.exe 13->23         started        25 13 other processes 13->25 file7 signatures8 process9 signatures10 61 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 18->61 63 Hijacks the control flow in another process 18->63 65 Changes memory attributes in foreign processes to executable or writable 18->65 27 jqzlCmQomGK.exe 18->27 injected 29 jqzlCmQomGK.exe 18->29 injected 41 2 other processes 18->41 67 Writes to foreign memory regions 21->67 69 Maps a DLL or memory area into another process 21->69 71 Creates a thread in another existing process (thread injection) 21->71 31 jqzlCmQomGK.exe 21->31 injected 33 jqzlCmQomGK.exe 21->33 injected 35 sihost.exe 23->35 injected 37 taskhostw.exe 23->37 injected 39 ShellExperienceHost.exe 23->39 injected 73 Tries to steal Mail credentials (via file access) 25->73 75 Tries to harvest and steal browser information (history, passwords, etc) 25->75 43 2 other processes 25->43 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b6ec96043dba7722cac4ed24b6979fc71a758bdf18ca44353c19194c172bf621/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2021-03-03 08:51:55 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w3wjmbb5xj3sfswe5uslnf47y4nhlc67ddfeinj4demuyfzl6yqq._file
Verdict:
malicious
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849af25a67d831b8e5d90cc6e4b51014a3a4d9f474f7363865cbd98c4dc0ea5a
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c390f1f12cf19aa6e9cd4745f24453f6321e5baaa061e6af1769aa90e8e86fe4
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cb663a4fa79cb0fcb52c3049b65b1a012c45e72badc13c931fc2c72a8a94dcca
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dc4c9f2bffdc31b6a52d258b3baa883a7c674c99782e37cf1a2b53dbf22e98ae
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fbad6defdda31579e98bbb4f27193891ad8b5d13e32a75dcc4d2666f2c3a5843
Smoke Loader
+ 106 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/210303-jkaqg444ya/
Behaviour
Suspicious behavior: MapViewOfSection
Maps connected drives based on registry
SmokeLoader
Malware Config
C2 Extraction:
http://cfsmarthome.net/1/
Unpacked files
SH256 hash:
b6ec96043dba7722cac4ed24b6979fc71a758bdf18ca44353c19194c172bf621
MD5 hash:
9ac835c38d4d0c6466e641427a2cf8f1
SHA1 hash:
108a8b5f1eaf9ef078a3dc0210e6aa961d6b3787
Detections:
win_smokeloader_auto
Create hunting rule
Link:
https://www.unpac.me/results/c8581856-a7c9-40b9-84e4-a7eaa5c72ad6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Smokeloader
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b6ec96043dba7722cac4ed24b6979fc71a758bdf18ca44353c19194c172bf621

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_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

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 b6ec96043dba7722cac4ed24b6979fc71a758bdf18ca44353c19194c172bf621

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1044460/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/122002/

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