MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5506b7fcbd13ae3049f461b3527242502e4c3f9e1f684cfe5b03ebb3af64366a. 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

SHA256 hash: 5506b7fcbd13ae3049f461b3527242502e4c3f9e1f684cfe5b03ebb3af64366a
SHA3-384 hash: c0086309644e2f99864d166ce00f9602f463cf02901001b604dbbbd857b32190d5984c7317acd7615fd82ccdefbcf4d9
SHA1 hash: 1872876db404820d826e0576596b1edd0fec40f8
MD5 hash: b437d5013ff7281e42fdbe04c2636af5
humanhash: cola-high-apart-nebraska
File name:b437d5013ff7281e42fdbe04c2636af5.exe
Download: download sample
Signature Smoke Loader
File size:194'048 bytes
First seen:2021-07-15 06:41:48 UTC
Last seen:2021-07-15 07:41:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56330e089fb9c08d9718b7eef88bda1d (1 x Cryptbot, 1 x Smoke Loader)
ssdeep 3072:T2BNmlofNq/KGe6MzmHqA+2TID7A06UWyem5FJ32+H:eMofNqVe6BHqA+20PZ6UWg5b
Threatray 3'472 similar samples on MalwareBazaar
TLSH T1C314AE2132E9C432D6E746306874DBA42A7BBC332A75854F3753366E5F302D1AAB6347
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b437d5013ff7281e42fdbe04c2636af5.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-15 06:42:39 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
RedLine stealer
Verdict:
Malicious
Result
Threat name:
Djvu Raccoon RedLine SmokeLoader Tofsee
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
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)
Detected unpacking (overwrites its own PE header)
DLL reload attack detected
DLL side loading technique detected
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Renames NTDLL to bypass HIPS
Sigma detected: Powershell Defender Exclusion
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 resolve many domain names, but no domain seems valid
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Djvu Ransomware
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 449103 Sample: nRzzu8oOhA.exe Startdate: 15/07/2021 Architecture: WINDOWS Score: 100 107 999080321newfolder4561-service10020125999080321.ru 2->107 109 fastpool.xyz 2->109 111 6 other IPs or domains 2->111 145 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->145 147 Multi AV Scanner detection for domain / URL 2->147 149 Found malware configuration 2->149 153 16 other signatures 2->153 12 nRzzu8oOhA.exe 2->12         started        15 fsrihwh 2->15         started        17 iarihwh 2->17         started        20 10 other processes 2->20 signatures3 151 Tries to resolve many domain names, but no domain seems valid 107->151 process4 dnsIp5 193 DLL reload attack detected 12->193 195 Detected unpacking (changes PE section rights) 12->195 23 nRzzu8oOhA.exe 1 12->23         started        197 Contains functionality to inject code into remote processes 15->197 199 Injects a PE file into a foreign processes 15->199 26 fsrihwh 1 15->26         started        85 C:\Users\user\AppData\Local\Temp\1105.tmp, PE32 17->85 dropped 201 Maps a DLL or memory area into another process 17->201 203 Checks if the current machine is a virtual machine (disk enumeration) 17->203 205 Creates a thread in another existing process (thread injection) 17->205 115 127.0.0.1 unknown unknown 20->115 117 192.168.2.1 unknown unknown 20->117 207 Changes security center settings (notifications, updates, antivirus, firewall) 20->207 209 DLL side loading technique detected 20->209 29 WerFault.exe 20->29         started        file6 signatures7 process8 file9 179 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 23->179 181 Renames NTDLL to bypass HIPS 23->181 183 Maps a DLL or memory area into another process 23->183 31 explorer.exe 13 23->31 injected 101 C:\Users\user\AppData\Local\Temp\AE30.tmp, PE32 26->101 dropped 185 Checks if the current machine is a virtual machine (disk enumeration) 26->185 187 Creates a thread in another existing process (thread injection) 26->187 signatures10 process11 dnsIp12 127 999080321yomtest251-service10020125999080321.ru 31->127 129 999080321yirtest231-service10020125999080321.ru 31->129 131 82 other IPs or domains 31->131 77 C:\Users\user\AppData\Roaming\fsrihwh, PE32 31->77 dropped 79 C:\Users\user\AppData\Local\Temp\B564.exe, PE32 31->79 dropped 81 C:\Users\user\AppData\Local\Temp\A3CF.exe, PE32+ 31->81 dropped 83 4 other files (2 malicious) 31->83 dropped 135 System process connects to network (likely due to code injection or exploit) 31->135 137 Benign windows process drops PE files 31->137 139 Performs DNS queries to domains with low reputation 31->139 143 2 other signatures 31->143 36 C8BE.exe 31->36         started        41 7705.exe 1 31->41         started        43 A3CF.exe 2 5 31->43         started        45 12 other processes 31->45 file13 141 Tries to resolve many domain names, but no domain seems valid 129->141 signatures14 process15 dnsIp16 119 telete.in 195.201.225.248, 443, 49707 HETZNER-ASDE Germany 36->119 121 34.89.184.90, 49708, 80 GOOGLEUS United States 36->121 87 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 36->87 dropped 89 C:\Users\user\AppData\...\vcruntime140.dll, PE32 36->89 dropped 91 C:\Users\user\AppData\...\ucrtbase.dll, PE32 36->91 dropped 99 56 other files (none is malicious) 36->99 dropped 155 Detected unpacking (changes PE section rights) 36->155 157 Detected unpacking (overwrites its own PE header) 36->157 159 Tries to steal Mail credentials (via file access) 36->159 161 DLL reload attack detected 41->161 163 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 41->163 165 Renames NTDLL to bypass HIPS 41->165 177 3 other signatures 41->177 93 C:\Users\user\AppData\...\MicrosoftApi.exe, PE32+ 43->93 dropped 95 C:\Users\user\...\ICSharpCode.SharpZipLib.dll, PE32 43->95 dropped 167 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 43->167 47 MicrosoftApi.exe 1 5 43->47         started        123 999080321newfolder1002-01462599908032135.site 45->123 125 olegf9844.tumblr.com 74.114.154.18, 443, 49711, 49715 AUTOMATTICUS Canada 45->125 97 C:\Users\user\AppData\Local\...\khapqbtg.exe, PE32 45->97 dropped 169 System process connects to network (likely due to code injection or exploit) 45->169 171 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 45->171 173 Tries to harvest and steal browser information (history, passwords, etc) 45->173 175 Injects a PE file into a foreign processes 45->175 51 E46.exe 45->51         started        54 B564.exe 45->54         started        56 conhost.exe 45->56         started        file17 signatures18 process19 dnsIp20 103 C:\Users\user\AppData\...\tmp48A3.tmp.cmd, DOS 47->103 dropped 133 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 47->133 58 cmd.exe 47->58         started        61 cmd.exe 47->61         started        113 api.2ip.ua 77.123.139.190, 443, 49714, 49718 VOLIA-ASUA Ukraine 51->113 105 C:\Users\user\AppData\Local\...46.exe, PE32 51->105 dropped 63 WerFault.exe 54->63         started        file21 signatures22 process23 signatures24 189 Uses schtasks.exe or at.exe to add and modify task schedules 58->189 191 Adds a directory exclusion to Windows Defender 58->191 65 conhost.exe 58->65         started        67 timeout.exe 58->67         started        69 powershell.exe 58->69         started        71 conhost.exe 61->71         started        73 timeout.exe 61->73         started        75 schtasks.exe 61->75         started        process25
Threat name:
Win32.Trojan.Caynamer
Status:
Malicious
First seen:
2021-07-15 01:07:39 UTC
AV detection:
17 of 46 (36.96%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:cobaltstrike family:metasploit family:raccoon family:redline family:smokeloader family:tofsee family:vidar family:xmrig botnet:0 botnet:824 botnet:q backdoor discovery evasion infostealer miner persistence spyware stealer 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 data under HKEY_USERS
Modifies registry class
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 SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Deletes itself
Drops startup file
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
Vidar Stealer
XMRig Miner Payload
Cobaltstrike
MetaSploit
Raccoon
RedLine
RedLine Payload
SmokeLoader
Suspicious use of NtCreateProcessExOtherParentProcess
Tofsee
Vidar
Windows security bypass
xmrig
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/
http://nusurtal4f.net/
http://netomishnetojuk.net/
http://escalivrouter.net/
http://nick22doom4.net/
http://wrioshtivsio.su/
http://nusotiso4.su/
http://rickkhtovkka.biz/
http://palisotoliso.net/
45.32.235.238:45555
https://olegf9844.tumblr.com/
https://sslamlssa1.tumblr.com/
http://136.244.111.22:80/JtRL
http://136.244.111.22:80/__utm.gif
Unpacked files
SH256 hash:
40f733e06f7bcb4bd915fbd0c3fbb05ee571094c0999c0104b661e9de72b8ec2
MD5 hash:
cda6ff3c17a09d22225df0ae90c705dc
SHA1 hash:
d822189153fb12866cb798cbfbe198a7b40e62ca
SH256 hash:
5506b7fcbd13ae3049f461b3527242502e4c3f9e1f684cfe5b03ebb3af64366a
MD5 hash:
b437d5013ff7281e42fdbe04c2636af5
SHA1 hash:
1872876db404820d826e0576596b1edd0fec40f8
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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 5506b7fcbd13ae3049f461b3527242502e4c3f9e1f684cfe5b03ebb3af64366a

(this sample)

  
Delivery method
Distributed via web download

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