MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac4a02bea52792524b42d95b70128893d27ba266096832783bdea10ce780591b. 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
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SHA256 hash: ac4a02bea52792524b42d95b70128893d27ba266096832783bdea10ce780591b
SHA3-384 hash: c7dad043764edcb6d2ecbf95184cdefca4a46884a809afa2611849d5dfb4cbe03e65c6726024785d3cc4dba275e8156c
SHA1 hash: 5fa9e9c66f87d1c761cff8e5432e43825e8cc28e
MD5 hash: 73d3a78e66a6b595b0bfacd301d2c518
humanhash: blue-west-fish-july
File name:73d3a78e66a6b595b0bfacd301d2c518.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:204'800 bytes
First seen:2021-07-22 15:48:30 UTC
Last seen:2021-07-22 16:52:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ed31136d7e99c845aef2cc9c35374011 (1 x RaccoonStealer, 1 x Smoke Loader, 1 x DanaBot)
ssdeep 3072:SABNFpY0Rzrhd83fvCJPFwLOMlvfftYP/jLJDwX4T45ClRswbL:nVZrhivM2LO8fftuLyX35ClD
Threatray 2'230 similar samples on MalwareBazaar
TLSH T13914C0207591C432C5E20A3854E5CB957E7F7C22DB68C94B3B5526EE5E303E1A96F30B
dhash icon 48b9b2b0e8c38c90 (6 x Smoke Loader, 5 x RedLineStealer, 3 x CryptBot)
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
73d3a78e66a6b595b0bfacd301d2c518.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-22 15:52:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9973c5fc-fe54-4645-b47c-383038da5f53

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/173385/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware2.7568.6640.UNOFFICIAL
Create hunting rule

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.
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4a688eae-5fd4-4532-9a1d-1a0ade08bb4b
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/820275
Signature
Antivirus detection for URL or domain
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)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
DLL reload attack detected
Found malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Renames NTDLL to bypass HIPS
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)
Tries to resolve many domain names, but no domain seems valid
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 452685 Sample: qUlLhyKynz.exe Startdate: 22/07/2021 Architecture: WINDOWS Score: 100 35 Multi AV Scanner detection for domain / URL 2->35 37 Found malware configuration 2->37 39 Antivirus detection for URL or domain 2->39 41 6 other signatures 2->41 7 qUlLhyKynz.exe 2->7         started        10 stgtrga 2->10         started        process3 signatures4 53 DLL reload attack detected 7->53 55 Detected unpacking (changes PE section rights) 7->55 12 qUlLhyKynz.exe 1 7->12         started        57 Multi AV Scanner detection for dropped file 10->57 59 Machine Learning detection for dropped file 10->59 15 stgtrga 1 10->15         started        process5 file6 61 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->61 63 Renames NTDLL to bypass HIPS 12->63 65 Maps a DLL or memory area into another process 12->65 18 explorer.exe 2 12->18 injected 27 C:\Users\user\AppData\Local\Temp\AE30.tmp, PE32 15->27 dropped 67 Checks if the current machine is a virtual machine (disk enumeration) 15->67 69 Creates a thread in another existing process (thread injection) 15->69 signatures7 process8 dnsIp9 29 999080321yomtest251-service10020125999080321.ru 18->29 31 999080321yirtest231-service10020125999080321.ru 18->31 33 89 other IPs or domains 18->33 23 C:\Users\user\AppData\Roaming\stgtrga, PE32 18->23 dropped 25 C:\Users\user\...\stgtrga:Zone.Identifier, ASCII 18->25 dropped 43 System process connects to network (likely due to code injection or exploit) 18->43 45 Benign windows process drops PE files 18->45 47 Performs DNS queries to domains with low reputation 18->47 51 2 other signatures 18->51 file10 49 Tries to resolve many domain names, but no domain seems valid 31->49 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac4a02bea52792524b42d95b70128893d27ba266096832783bdea10ce780591b/
Threat name:
Win32.Trojan.Racealer
Create hunting rule
Status:
Malicious
First seen:
2021-07-22 15:49:42 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vrfafpvfe6jfes2c3fnxaeuispjhxitgbfude6b332qqzz4alenq._file
Verdict:
suspicious
Similar samples:
4a0ecbcf9b54ed1c9654eb9ee214a797f48c980c6d03a261f62fa9671a2733d6
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71c0a6fb3c31d1fa82fb99ddda7811810d9bf6306ce7e3377547035fe6b512f2
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8876443ca226bd35c82f3e50163007b03b39f61efdb751568f2cef7d71a7b954
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948bae9510601455f2ba50d694a6561bf2e85071b86161a0186672616ae17a77
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948f89b7ef250934f34b2be496ddebcd546651da7fc7b5f6daf5cd08b1cb0b84
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ae42b792d1a162e7d48b4717ea810bc20772aa64df184b9301c56c6509810408
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b08e7b20a96d4bf0d2795d783b2b066abff7c0d82ccb15e616df533835193f5d
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b148a9228e806a666a057a6d69180ed21dbdc26ee28e754b00e98efdcae15c66
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ce1a457a5bd8763fde41a27081d5a885b66aca31b123ee42885e29bc8cfdbda5
Smoke Loader
+ 2'220 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/210722-6s4w687dnx/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
SmokeLoader
Malware Config
C2 Extraction:
http://999080321newfolder1002002131-service1002.space/
http://999080321newfolder1002002231-service1002.space/
http://999080321newfolder3100231-service1002.space/
http://999080321newfolder1002002431-service1002.space/
http://999080321newfolder1002002531-service1002.space/
http://999080321newfolder33417-012425999080321.space/
http://999080321test125831-service10020125999080321.space/
http://999080321test136831-service10020125999080321.space/
http://999080321test147831-service10020125999080321.space/
http://999080321test146831-service10020125999080321.space/
http://999080321test134831-service10020125999080321.space/
http://999080321est213531-service1002012425999080321.ru/
http://999080321yes1t3481-service10020125999080321.ru/
http://999080321test13561-service10020125999080321.su/
http://999080321test14781-service10020125999080321.info/
http://999080321test13461-service10020125999080321.net/
http://999080321test15671-service10020125999080321.tech/
http://999080321test12671-service10020125999080321.online/
http://999080321utest1341-service10020125999080321.ru/
http://999080321uest71-service100201dom25999080321.ru/
http://999080321test61-service10020125999080321.website/
http://999080321test51-service10020125999080321.xyz/
http://999080321test41-service100201pro25999080321.ru/
http://999080321yest31-service100201rus25999080321.ru/
http://999080321rest21-service10020125999080321.eu/
http://999080321test11-service10020125999080321.press/
http://999080321newfolder4561-service10020125999080321.ru/
http://999080321rustest213-service10020125999080321.ru/
http://999080321test281-service10020125999080321.ru/
http://999080321test261-service10020125999080321.space/
http://999080321yomtest251-service10020125999080321.ru/
http://999080321yirtest231-service10020125999080321.ru/
Unpacked files
SH256 hash:
40f733e06f7bcb4bd915fbd0c3fbb05ee571094c0999c0104b661e9de72b8ec2
MD5 hash:
cda6ff3c17a09d22225df0ae90c705dc
SHA1 hash:
d822189153fb12866cb798cbfbe198a7b40e62ca
Link:
https://www.unpac.me/results/37c3b28c-2014-4a24-9c7a-6c3ee299d74a/
SH256 hash:
ac4a02bea52792524b42d95b70128893d27ba266096832783bdea10ce780591b
MD5 hash:
73d3a78e66a6b595b0bfacd301d2c518
SHA1 hash:
5fa9e9c66f87d1c761cff8e5432e43825e8cc28e
Link:
https://www.unpac.me/results/37c3b28c-2014-4a24-9c7a-6c3ee299d74a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ac4a02bea52792524b42d95b70128893d27ba266096832783bdea10ce780591b

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:MALWARE_Win_DLInjector01
Create hunting rule
Author:ditekSHen
Description:Detects specific downloader injector shellcode

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 ac4a02bea52792524b42d95b70128893d27ba266096832783bdea10ce780591b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1453973/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/173385/

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