MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4290f5fbbd5d7ff8054de896fe4231d83a149f099ee867c75969468e0078e8f1. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4290f5fbbd5d7ff8054de896fe4231d83a149f099ee867c75969468e0078e8f1
SHA3-384 hash: 0bd979cfc072ea10a02436c2525d479f2f553626d49c9862fccc9fe7f59c05d2ad0ea8617c702afb9866f7df5d227e6e
SHA1 hash: b0a7b4880e3e2ed3fbd032d101553acf4b144b93
MD5 hash: 887be0841121eb921b5261584ab78197
humanhash: robin-india-jupiter-network
File name:887be0841121eb921b5261584ab78197.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:290'304 bytes
First seen:2021-10-22 10:05:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0aa8675e96bbc2351e2af940f447c93e (9 x RedLineStealer, 4 x Loki, 2 x Smoke Loader)
ssdeep 6144:5n/WYiBpqOpLe8+BIGsIcmZdv/CfpC2hFpO0TNstvso3oIQ:R/WYiBpqC/lt2vKfRFwYNstvs5
Threatray 5'532 similar samples on MalwareBazaar
TLSH T15D548D00BAA0C435F5F712F899BA93ACA93E7EA15B6450CF52E516EE47346E0EC31317
File icon (PE):PE icon
dhash icon aad8ac9cc6a68ee0 (34 x RedLineStealer, 14 x RaccoonStealer, 11 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/199346/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware
Link:
https://www.filescan.io/uploads/61728d0b9a5a1e91c5ceb180/reports/465501f2-09b2-4a00-a0d8-8e29105e82ec/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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a45c05d-3a55-483a-845a-7d8ebc125979
Result
Threat name:
SmokeLoader Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/875164
Signature
Benign windows process drops PE files
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Connects to many ports of the same IP (likely port scanning)
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)
DLL reload attack detected
Found many strings related to Crypto-Wallets (likely being stolen)
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 submitted file
PE file contains section with special chars
PE file has nameless sections
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Renames NTDLL to bypass HIPS
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: MSHTA Spawning Windows Shell
Sigma detected: Suspicious MSHTA Process Patterns
Sigma detected: Suspicious Script Execution From Temp Folder
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 harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected SmokeLoader
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 507596 Sample: TKRH98rgNe.exe Startdate: 22/10/2021 Architecture: WINDOWS Score: 100 88 Multi AV Scanner detection for submitted file 2->88 90 Yara detected Vidar 2->90 92 Yara detected SmokeLoader 2->92 94 12 other signatures 2->94 13 TKRH98rgNe.exe 1 2->13         started        16 vvgcgwj 1 2->16         started        process3 file4 118 DLL reload attack detected 13->118 120 Detected unpacking (changes PE section rights) 13->120 122 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 13->122 130 2 other signatures 13->130 19 explorer.exe 10 13->19 injected 54 C:\Users\user\AppData\Local\Temp\1105.tmp, PE32 16->54 dropped 124 Machine Learning detection for dropped file 16->124 126 Renames NTDLL to bypass HIPS 16->126 128 Maps a DLL or memory area into another process 16->128 signatures5 process6 dnsIp7 74 nusurtal4f.net 5.61.34.153, 49751, 80 LEASEWEB-DE-FRA-10DE United Kingdom 19->74 76 bitbucket.org 104.192.141.1, 443, 49752 AMAZON-02US United States 19->76 78 4 other IPs or domains 19->78 56 C:\Users\user\AppData\Roaming\vvgcgwj, PE32 19->56 dropped 58 C:\Users\user\AppData\Local\Temp\2D12.exe, PE32 19->58 dropped 60 C:\Users\user\AppData\Local\Temp\2987.exe, PE32 19->60 dropped 62 3 other malicious files 19->62 dropped 96 System process connects to network (likely due to code injection or exploit) 19->96 98 Benign windows process drops PE files 19->98 100 Deletes itself after installation 19->100 102 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->102 24 2157.exe 5 19->24         started        28 2540.exe 74 19->28         started        31 2D12.exe 14 3 19->31         started        33 2987.exe 7 19->33         started        file8 signatures9 process10 dnsIp11 80 2.56.214.190, 49768, 59628 MVPShttpswwwmvpsnetEU Netherlands 24->80 104 Detected unpacking (changes PE section rights) 24->104 106 Detected unpacking (overwrites its own PE header) 24->106 108 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 24->108 116 2 other signatures 24->116 82 mas.to 88.99.75.82, 443, 49754 HETZNER-ASDE Germany 28->82 84 65.108.80.190, 49756, 80 ALABANZA-BALTUS United States 28->84 66 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 28->66 dropped 68 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 28->68 dropped 70 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 28->70 dropped 72 9 other files (none is malicious) 28->72 dropped 110 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->110 112 Machine Learning detection for dropped file 28->112 114 Tries to harvest and steal browser information (history, passwords, etc) 28->114 86 cdn.discordapp.com 162.159.133.233, 443, 49757 CLOUDFLARENETUS United States 31->86 35 mshta.exe 33->35         started        file12 signatures13 process14 process15 37 cmd.exe 35->37         started        file16 64 C:\Users\user\AppData\...\wND_P0R7CSA.EXe, PE32 37->64 dropped 40 wND_P0R7CSA.EXe 37->40         started        42 conhost.exe 37->42         started        44 taskkill.exe 37->44         started        process17 process18 46 mshta.exe 40->46         started        48 mshta.exe 40->48         started        process19 50 cmd.exe 46->50         started        process20 52 conhost.exe 50->52         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4290f5fbbd5d7ff8054de896fe4231d83a149f099ee867c75969468e0078e8f1/
Threat name:
Win32.Trojan.Azorult
Create hunting rule
Status:
Malicious
First seen:
2021-10-22 08:56:59 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Verdict:
malicious
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Smoke Loader
+ 5'522 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:redline family:smokeloader family:vidar botnet:517 botnet:706 botnet:btc-2021 backdoor discovery infostealer persistence ransomware spyware stealer trojan
Link:
https://tria.ge/reports/211022-l43pgabdh9/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies Internet Explorer settings
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Deletes itself
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Vidar
Detected Djvu ransomware
Djvu Ransomware
RedLine
RedLine Payload
SmokeLoader
Malware Config
C2 Extraction:
http://nusurtal4f.net/
http://netomishnetojuk.net/
http://escalivrouter.net/
http://nick22doom4.net/
http://wrioshtivsio.su/
http://nusotiso4.su/
http://rickkhtovkka.biz/
http://palisotoliso.net/
https://mas.to/@xeroxxx
http://rlrz.org/lancer
2.56.214.190:59628
Unpacked files
SH256 hash:
bfc885ce74d24de6155e7460de32e940ef49b822f26d588310f519ad837ffbd6
MD5 hash:
4412c75f00dc6572efb3e171c4642f5c
SHA1 hash:
018a5a75ff828f4de3d1eae5735cf748beead94c
Link:
https://www.unpac.me/results/f421895a-6d6f-443b-82fb-ad42f2862478/
SH256 hash:
4290f5fbbd5d7ff8054de896fe4231d83a149f099ee867c75969468e0078e8f1
MD5 hash:
887be0841121eb921b5261584ab78197
SHA1 hash:
b0a7b4880e3e2ed3fbd032d101553acf4b144b93
Link:
https://www.unpac.me/results/f421895a-6d6f-443b-82fb-ad42f2862478/
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/4290f5fbbd5d7ff8054de896fe4231d83a149f099ee867c75969468e0078e8f1

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 4290f5fbbd5d7ff8054de896fe4231d83a149f099ee867c75969468e0078e8f1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1706192/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/199346/

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