MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4968bc86855058e4ce9cbace83fb9f5f23607b868730e54fc26a4070ce7fdbb5. 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 File information Comments

SHA256 hash: 4968bc86855058e4ce9cbace83fb9f5f23607b868730e54fc26a4070ce7fdbb5
SHA3-384 hash: b92720533f7d2c70364af754ae2c50425cb8b2df3471c9ba3d05fbea1653a1ac966ece73d9b7206a9b05df883c0abd39
SHA1 hash: 9fea56ce88840bea1d12bfb0d67548cc3fbbb9db
MD5 hash: 6619cb673bf96428f23b9c4cb7251c15
humanhash: king-north-oklahoma-five
File name:6619cb673bf96428f23b9c4cb7251c15.exe
Download: download sample
Signature Smoke Loader
File size:291'328 bytes
First seen:2021-10-22 12:21:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 25e96726029c322936cf0033b6a07058 (11 x RedLineStealer, 2 x Smoke Loader, 1 x Formbook)
ssdeep 6144:hnDiF7VI0x8zGxCJAVPvZDoVlpXU30IaEhROg9b:ZDkO0042IvhuXuLaEhpb
Threatray 2'256 similar samples on MalwareBazaar
TLSH T1CE548D10AAA0C035F5F312F859BA93ACB92E7EA15B7450CF52E426EE57346E1EC31317
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 :
249
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware
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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
SmokeLoader Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
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
Submitted sample is a known malware sample
System process connects to network (likely due to code injection or exploit)
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 507692 Sample: Y3XbNKupz7.exe Startdate: 22/10/2021 Architecture: WINDOWS Score: 100 108 Multi AV Scanner detection for submitted file 2->108 110 Yara detected Vidar 2->110 112 Yara detected SmokeLoader 2->112 114 12 other signatures 2->114 13 Y3XbNKupz7.exe 1 2->13         started        16 uwtitcj 1 2->16         started        process3 file4 140 DLL reload attack detected 13->140 142 Detected unpacking (changes PE section rights) 13->142 144 Renames NTDLL to bypass HIPS 13->144 146 Creates a thread in another existing process (thread injection) 13->146 19 explorer.exe 10 13->19 injected 70 C:\Users\user\AppData\Local\Temp\1105.tmp, PE32 16->70 dropped 148 Machine Learning detection for dropped file 16->148 150 Maps a DLL or memory area into another process 16->150 152 Checks if the current machine is a virtual machine (disk enumeration) 16->152 signatures5 process6 dnsIp7 92 nusurtal4f.net 5.61.34.153, 49761, 80 LEASEWEB-DE-FRA-10DE United Kingdom 19->92 94 bitbucket.org 104.192.141.1, 443, 49762 AMAZON-02US United States 19->94 96 3 other IPs or domains 19->96 72 C:\Users\user\AppData\Roaming\uwtitcj, PE32 19->72 dropped 74 C:\Users\user\AppData\Local\Temp\BF72.exe, PE32 19->74 dropped 76 C:\Users\user\AppData\Local\Temp\BBE7.exe, PE32 19->76 dropped 78 3 other malicious files 19->78 dropped 116 System process connects to network (likely due to code injection or exploit) 19->116 118 Benign windows process drops PE files 19->118 120 Deletes itself after installation 19->120 122 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->122 24 B379.exe 5 19->24         started        28 B7CF.exe 74 19->28         started        31 BBE7.exe 7 19->31         started        33 BF72.exe 14 3 19->33         started        file8 signatures9 process10 dnsIp11 98 2.56.214.190, 49783, 59628 MVPShttpswwwmvpsnetEU Netherlands 24->98 124 Detected unpacking (changes PE section rights) 24->124 126 Detected unpacking (overwrites its own PE header) 24->126 128 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 24->128 136 2 other signatures 24->136 100 mas.to 88.99.75.82, 443, 49764 HETZNER-ASDE Germany 28->100 102 65.108.80.190, 49766, 80 ALABANZA-BALTUS United States 28->102 104 192.168.2.1 unknown unknown 28->104 84 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 28->84 dropped 86 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 28->86 dropped 88 C:\Users\user\AppData\...\freebl3[1].dll, PE32 28->88 dropped 90 9 other files (none is malicious) 28->90 dropped 130 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->130 132 Machine Learning detection for dropped file 28->132 134 Tries to harvest and steal browser information (history, passwords, etc) 28->134 35 cmd.exe 28->35         started        37 mshta.exe 31->37         started        106 cdn.discordapp.com 162.159.134.233, 443, 49771 CLOUDFLARENETUS United States 33->106 file12 signatures13 process14 process15 39 conhost.exe 35->39         started        41 cmd.exe 37->41         started        file16 82 C:\Users\user\AppData\...\wND_P0R7CSA.EXe, PE32 41->82 dropped 138 Submitted sample is a known malware sample 41->138 45 wND_P0R7CSA.EXe 41->45         started        47 conhost.exe 41->47         started        49 taskkill.exe 41->49         started        signatures17 process18 process19 51 mshta.exe 45->51         started        53 mshta.exe 45->53         started        process20 55 cmd.exe 51->55         started        58 cmd.exe 53->58         started        file21 80 C:\Users\user\AppData\Local\Temp80xXhJc.D, PE32 55->80 dropped 60 conhost.exe 55->60         started        62 cmd.exe 55->62         started        64 cmd.exe 55->64         started        66 msiexec.exe 55->66         started        68 conhost.exe 58->68         started        process22
Threat name:
Win32.Trojan.Azorult
Status:
Malicious
First seen:
2021-10-22 03:39:42 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
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 suricata trojan
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
Detected Djvu ransomware
Djvu Ransomware
RedLine
RedLine Payload
SmokeLoader
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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
SH256 hash:
4968bc86855058e4ce9cbace83fb9f5f23607b868730e54fc26a4070ce7fdbb5
MD5 hash:
6619cb673bf96428f23b9c4cb7251c15
SHA1 hash:
9fea56ce88840bea1d12bfb0d67548cc3fbbb9db
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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 4968bc86855058e4ce9cbace83fb9f5f23607b868730e54fc26a4070ce7fdbb5

(this sample)

  
Delivery method
Distributed via web download

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