MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bfefb8e570740d5568198d5fefc27426ffb1589ce8203242f41e71f0c9bf7a9. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8bfefb8e570740d5568198d5fefc27426ffb1589ce8203242f41e71f0c9bf7a9
SHA3-384 hash: d3b07bc09bcbe2b9a9af67fe0ab6f9b21cd4bb4156b2508dce502d5ad48b0dd8a20d4cb1359b66069878e66533fa7eab
SHA1 hash: ce49380abeb1d97bcf2e47a5f1c417d43aa11922
MD5 hash: c8c9572c1d35379735e69eb8359831c1
humanhash: sierra-yellow-india-hotel
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:191'488 bytes
First seen:2023-01-17 15:18:30 UTC
Last seen:2023-01-17 16:35:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6313ebe7f1089deb3296f0fff7b6e6a6 (4 x Smoke Loader, 1 x RedLineStealer, 1 x Gozi)
ssdeep 3072:XRX3SjY+H8nk7s58lGJ5pPq/V8sSAsgq1IT:lIskypRsrsiT
Threatray 2'741 similar samples on MalwareBazaar
TLSH T18A14BF2373D3E871C09B02714E18DAE93B7FB5314A66866B37681A6F5E702F0D66B305
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9a9acecec6c2c6c6 (1 x Smoke Loader)
Reporter jstrosch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-17 15:20:31 UTC
Tags:
trojan loader smoke
Link:
https://app.any.run/tasks/de212d18-fd99-47bb-a380-08457dda54f2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
SmokeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/353869/
Detection(s):
PUA.Win.Packer.NspackDotnetNor-2
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PUA.Win.Packer.NspackDotnetNor-1
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Creating a process from a recently created file
Searching for synchronization primitives
Sending an HTTP POST request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult greyware lockbit packed vidar
Link:
https://www.filescan.io/uploads/63c6bc66e4e81283f94e4acd/reports/d0aa5722-dee3-4650-a5cf-3eb75faaa22e/overview
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:
Zzslash
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0a2eafb8-8ca8-4291-a670-d271218d5924
Result
Threat name:
CryptOne, RHADAMANTHYS, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1153197
Signature
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 infect the boot sector
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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)
Yara detected AntiVM3
Yara detected CryptOne packer
Yara detected RHADAMANTHYS Stealer
Yara detected SmokeLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 785939 Sample: file.exe Startdate: 17/01/2023 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 9 other signatures 2->52 7 file.exe 2->7         started        10 rchuvfv 2->10         started        12 BE49.exe 2->12         started        process3 signatures4 62 Detected unpacking (changes PE section rights) 7->62 64 Maps a DLL or memory area into another process 7->64 66 Checks if the current machine is a virtual machine (disk enumeration) 7->66 14 explorer.exe 1 7 7->14 injected 68 Multi AV Scanner detection for dropped file 10->68 70 Machine Learning detection for dropped file 10->70 72 Creates a thread in another existing process (thread injection) 10->72 process5 dnsIp6 32 45.8.145.246, 49713, 80 VMAGE-ASRU Russian Federation 14->32 34 175.119.10.231, 49692, 49701, 49703 SKB-ASSKBroadbandCoLtdKR Korea Republic of 14->34 36 5 other IPs or domains 14->36 24 C:\Users\user\AppData\Roaming\rchuvfv, PE32 14->24 dropped 26 C:\Users\user\AppData\Local\Temp\BE49.exe, PE32 14->26 dropped 28 C:\Users\user\AppData\Local\Temp\78E2.exe, PE32 14->28 dropped 30 C:\Users\user\...\rchuvfv:Zone.Identifier, ASCII 14->30 dropped 38 System process connects to network (likely due to code injection or exploit) 14->38 40 Benign windows process drops PE files 14->40 42 Deletes itself after installation 14->42 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->44 19 BE49.exe 14->19         started        22 78E2.exe 14->22         started        file7 signatures8 process9 signatures10 54 Detected unpacking (changes PE section rights) 19->54 56 Detected unpacking (overwrites its own PE header) 19->56 58 Machine Learning detection for dropped file 19->58 60 Contains functionality to infect the boot sector 19->60
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8bfefb8e570740d5568198d5fefc27426ffb1589ce8203242f41e71f0c9bf7a9/
Threat name:
Win32.Trojan.Raccoon
Create hunting rule
Status:
Malicious
First seen:
2023-01-17 15:19:06 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rp7pxdsxa5ankvubtdk757bhijx7wfmjz2bagjbpihtr6de366uq._file
Verdict:
malicious
Similar samples:
28fa399c77300c2883af5b05b1b204822080ab4efc81f0c18d2c13da91b1540d
Smoke Loader
75d6af86572ceb9fc8fd2ee427aa8fb91df197160f05328c727bdb760ed5ae0c
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77629525d17aa4d9f1774497c1ed871735298bf362431374b063ec7d78937799
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8bf367e16e52e734ccb5e228164cd531d889b42588fecd477397c2c487a5f938
Smoke Loader
b3a3054dab2ed4f7b72770cf035a597af08f56d344d06a49a98b0a5d9d358f41
Smoke Loader
b638d8eb5e29363fad82bba676f1eeded42e0001be498ad835463cfc3a300b90
Smoke Loader
b8064ab579a131ca3d0147d30c36ac7008af615b8cb3c34bac7f857028317fb4
Smoke Loader
d82d5eb34ec6fe223d783afa596e8c58f9ffbc5920fe83dc0115780909882ba3
Smoke Loader
f6c5bf500e4232377c631d6daa24b4492485a77627a06af69383f25762afe31f
Smoke Loader
f9884452829d3ae85a5ccb07d762b13b65a056234a31f8b1cfe34cdc1eeec57a
Smoke Loader
+ 2'731 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/230117-sp6k5saa38/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Executes dropped EXE
Detects Smokeloader packer
SmokeLoader
Unpacked files
SH256 hash:
08ea880fcddeef49048c5539165d8c1933edfd3b3db1b3094cca96ceaef61f3e
MD5 hash:
da83d0bf0d0302e25abe45a0774566ec
SHA1 hash:
4a6de5f201934b9b0b68c4122b31da99029b44c2
Detections:
win_smokeloader_a2
Create hunting rule
SmokeLoaderStage2
Create hunting rule
Link:
https://www.unpac.me/results/47e5c5b1-176b-4b55-ab09-a185dcc8150d/
Parent samples :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 hash:
8bfefb8e570740d5568198d5fefc27426ffb1589ce8203242f41e71f0c9bf7a9
MD5 hash:
c8c9572c1d35379735e69eb8359831c1
SHA1 hash:
ce49380abeb1d97bcf2e47a5f1c417d43aa11922
Link:
https://www.unpac.me/results/47e5c5b1-176b-4b55-ab09-a185dcc8150d/
Malware family:
CryptOne
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8bfefb8e5707/report/overview.html
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/8bfefb8e570740d5568198d5fefc27426ffb1589ce8203242f41e71f0c9bf7a9

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

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 8bfefb8e570740d5568198d5fefc27426ffb1589ce8203242f41e71f0c9bf7a9

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2432863/
Cape
Cape
https://www.capesandbox.com/analysis/353869/

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