MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f4a138f150dec7a052ccf6ff889b829cefd2cb5ecb4c8daec22c5ec50f2c7a1. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f4a138f150dec7a052ccf6ff889b829cefd2cb5ecb4c8daec22c5ec50f2c7a1
SHA3-384 hash: 714d4e6732b9bd5e840bd623b503dd8da248662d9488239165fa58c4113e95b664fe11c28f5a91cb12b03dd83ce96372
SHA1 hash: 5add2798e80c6461f6e374e13752f4a29656cf6c
MD5 hash: db614a792a0cb77920f2ba3edeb8aef8
humanhash: earth-jersey-timing-cat
File name:db614a792a0cb77920f2ba3edeb8aef8.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:867'328 bytes
First seen:2021-03-27 07:14:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:kAHnh+eWsN3skA4RV1Hom2KXMmHa2+05:zh+ZkldoPK8Ya2p
Threatray 965 similar samples on MalwareBazaar
TLSH AF058B0273D1C036FFABA2739B6AF64156BC79254133852F13981DB9BD701B2263E663
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
537
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
po 33273.doc
Verdict:
Malicious activity
Analysis date:
2021-03-26 09:17:43 UTC
Tags:
ole-embedded exploit CVE-2017-11882
Link:
https://app.any.run/tasks/909f149a-3d9a-4ada-9b85-3ceb480e5736

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/127245/
Detection(s):
SecuriteInfo.com.AIT.Trojan.Nymeria.1583.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Sending a UDP request
Deleting a recently created file
Launching the process to create tasks for the scheduler
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2748c52f-af0c-47ba-8a79-988a7ee18db0
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/655801
Signature
Binary is likely a compiled AutoIt script file
Bypasses PowerShell execution policy
Connects to a pastebin service (likely for C&C)
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Very long command line found
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f4a138f150dec7a052ccf6ff889b829cefd2cb5ecb4c8daec22c5ec50f2c7a1/
Threat name:
Win32.Downloader.Dofoil
Create hunting rule
Status:
Malicious
First seen:
2021-03-26 03:23:14 UTC
AV detection:
26 of 47 (55.32%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n5fbhdyvbxwhubjmz5x7rcnyfhhp2lfv5s2mrwxmelc6yuhsy6qq._file
Verdict:
unknown
Similar samples:
028115ae3e6e3fc774f58184b4bb7d257f626ce5cf6a60e1a749c22fe74803f2
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6cebbb0e3d8d28117e67f18212a9847d0262fd4e616def639be1071f1c33b8fb
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9060ad04ba96cfc836426974d363d912ff313c23a9638d65482f1b1bf6b1a029
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959fb7ddc21a59316a62816578b2d496497bef2f30674a01b881f810782d4de5
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aef701274d6fae63271e1cc66aa3040f9a337437e921240d2b990d82ebd4b094
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bd54a739f0884a226375e59d2f7772bd260841cf3ab18a1c762fb6cebce98d0c
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cbffffdb51c8b3351cb3c2fc8011a5ecb90dee60bbf482ccae90a64603a00b07
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d02a845b834c816edcbb6d8d60bd93c96593869a2cb56ca920ceb3dd3edff054
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d9055a52862d279916cedbadecb44061ea5674883e9f63cfe98e6b6adbd0b249
Smoke Loader
da32892b691e51284649a6f71c2ff12937efcf7caddeade9fd66f589643ce25f
Smoke Loader
+ 955 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/210327-n6z4hlw1z6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Blocklisted process makes network request
Malware Config
Dropper Extraction:
httPs://paste.ee/r/8486D
httPs://paste.ee/r/sejoY
Unpacked files
SH256 hash:
6f4a138f150dec7a052ccf6ff889b829cefd2cb5ecb4c8daec22c5ec50f2c7a1
MD5 hash:
db614a792a0cb77920f2ba3edeb8aef8
SHA1 hash:
5add2798e80c6461f6e374e13752f4a29656cf6c
Link:
https://www.unpac.me/results/77c673ab-79fc-42df-976a-7f25dfa7b35f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Dofoil
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6f4a138f150dec7a052ccf6ff889b829cefd2cb5ecb4c8daec22c5ec50f2c7a1

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).

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 6f4a138f150dec7a052ccf6ff889b829cefd2cb5ecb4c8daec22c5ec50f2c7a1

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/127245/
  
URLhaus
https://urlhaus.abuse.ch/url/1093189/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1090637/

Comments