MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb37334a0f31e9cac09d245e3ca86b08ca8df4a57ef9ec4b228bdb9869ed847b. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb37334a0f31e9cac09d245e3ca86b08ca8df4a57ef9ec4b228bdb9869ed847b
SHA3-384 hash: 3d21b74c4a64ea3bb494d0311c7c909402ebff26baf21052e4956d1ec8dfc82618f612502beca9e4b3b19222a1d5a2bc
SHA1 hash: e345ce2ab871e58610450b09320305c9ff046e66
MD5 hash: 66a2a7f0d83b797068895f9fcd2c886c
humanhash: oscar-spaghetti-early-monkey
File name:66a2a7f0d83b797068895f9fcd2c886c.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:184'320 bytes
First seen:2021-07-22 17:12:12 UTC
Last seen:2021-07-22 17:50:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6acba419afd0f4919c1c58d62b0b66c6 (1 x RaccoonStealer, 1 x CryptBot, 1 x Smoke Loader)
ssdeep 3072:/07GSemgq0aJaHr5wkTfCXLtAcd0+Uz/72XLJDwXMbPwAFfIlRsMbL:XSkZLl6XLtJGzQLyXiPwA+l7
Threatray 2'257 similar samples on MalwareBazaar
TLSH T13604BE207994C832D4E50931DCFAD6E6273EBC221A7849877B853BCF6E722C1657E316
dhash icon 4839b2b4e8c38c90 (6 x RaccoonStealer, 4 x Smoke Loader, 4 x RedLineStealer)
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
66a2a7f0d83b797068895f9fcd2c886c.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-22 17:23:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/933a3c25-e3a0-4beb-b999-78c4b2cdf8ca

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DLInjector01
Create hunting rule
Link:
https://www.capesandbox.com/analysis/173408/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.43324.21065.21081.UNOFFICIAL
Create hunting rule

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:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3b8374d6-4d89-4684-8223-f24ee985732c
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/820341
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
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
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)
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
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 resolve many domain names, but no domain seems valid
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 452753 Sample: 4jo4rkU0jz.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 5 other signatures 2->41 7 4jo4rkU0jz.exe 2->7         started        10 cftcase 2->10         started        process3 signatures4 53 DLL reload attack detected 7->53 55 Detected unpacking (changes PE section rights) 7->55 57 Contains functionality to inject code into remote processes 7->57 59 Injects a PE file into a foreign processes 7->59 12 4jo4rkU0jz.exe 1 7->12         started        61 Multi AV Scanner detection for dropped file 10->61 63 Machine Learning detection for dropped file 10->63 15 cftcase 1 10->15         started        process5 file6 65 Renames NTDLL to bypass HIPS 12->65 67 Maps a DLL or memory area into another process 12->67 69 Checks if the current machine is a virtual machine (disk enumeration) 12->69 18 explorer.exe 2 12->18 injected 27 C:\Users\user\AppData\Local\Temp\AE30.tmp, PE32 15->27 dropped 71 Creates a thread in another existing process (thread injection) 15->71 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\cftcase, PE32 18->23 dropped 25 C:\Users\user\...\cftcase: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/fb37334a0f31e9cac09d245e3ca86b08ca8df4a57ef9ec4b228bdb9869ed847b/
Threat name:
Win32.Trojan.Fugrafa
Create hunting rule
Status:
Malicious
First seen:
2021-07-22 17:13:06 UTC
AV detection:
30 of 46 (65.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7m3tgsqpghu4vqe5erpdzkdlbdfi35ffp346yszcrpnzq2pnqr5q._file
Verdict:
suspicious
Similar samples:
4a0ecbcf9b54ed1c9654eb9ee214a797f48c980c6d03a261f62fa9671a2733d6
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71c0a6fb3c31d1fa82fb99ddda7811810d9bf6306ce7e3377547035fe6b512f2
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8876443ca226bd35c82f3e50163007b03b39f61efdb751568f2cef7d71a7b954
Smoke Loader
948bae9510601455f2ba50d694a6561bf2e85071b86161a0186672616ae17a77
Smoke Loader
948f89b7ef250934f34b2be496ddebcd546651da7fc7b5f6daf5cd08b1cb0b84
Smoke Loader
ae42b792d1a162e7d48b4717ea810bc20772aa64df184b9301c56c6509810408
Smoke Loader
b08e7b20a96d4bf0d2795d783b2b066abff7c0d82ccb15e616df533835193f5d
Smoke Loader
b148a9228e806a666a057a6d69180ed21dbdc26ee28e754b00e98efdcae15c66
Smoke Loader
ce1a457a5bd8763fde41a27081d5a885b66aca31b123ee42885e29bc8cfdbda5
Smoke Loader
+ 2'247 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-jlpcjmt6c6/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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
Executes dropped EXE
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/68019e5e-016d-488c-bafa-6362a849133d/
SH256 hash:
fb37334a0f31e9cac09d245e3ca86b08ca8df4a57ef9ec4b228bdb9869ed847b
MD5 hash:
66a2a7f0d83b797068895f9fcd2c886c
SHA1 hash:
e345ce2ab871e58610450b09320305c9ff046e66
Link:
https://www.unpac.me/results/68019e5e-016d-488c-bafa-6362a849133d/
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/fb37334a0f31e9cac09d245e3ca86b08ca8df4a57ef9ec4b228bdb9869ed847b

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 fb37334a0f31e9cac09d245e3ca86b08ca8df4a57ef9ec4b228bdb9869ed847b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1453973/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/173408/

Comments