MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc7bb70f59502991cb2f9470c067596f6c24da5deb7669aae79cdc9912b6e00d. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc7bb70f59502991cb2f9470c067596f6c24da5deb7669aae79cdc9912b6e00d
SHA3-384 hash: 9acff54c5c136dcac46ee86357e490510b1665769e2621e86f63bb74abb9dd0fbd8c9fde652d7478ced533c4f6d5a039
SHA1 hash: 78897a65a809cd45107c1cfd592f018b1dcb3425
MD5 hash: 4b5bd26f22fff1533f5a9599c54c07ef
humanhash: solar-monkey-monkey-lemon
File name:4b5bd26f22fff1533f5a9599c54c07ef.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:347'136 bytes
First seen:2021-07-29 17:44:49 UTC
Last seen:2021-07-29 19:06:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c27a98a29b21693846ec47ce91a249f1 (2 x RaccoonStealer, 2 x Smoke Loader, 2 x GCleaner)
ssdeep 6144:aykGDD4vSsGBZuGwO14gk8W7JXewkkgXET4FIQQF:aGn4vSsGhwOa8W9qkmE8FXo
Threatray 1'938 similar samples on MalwareBazaar
TLSH T118749E30B690C035F4B712F845BA83BCB929BEA19B3450CB52E53AEE52356E4DC31797
dhash icon ead8a89cc6e68ee0 (43 x RaccoonStealer, 31 x RedLineStealer, 20 x Smoke Loader)
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4b5bd26f22fff1533f5a9599c54c07ef.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-29 17:47:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/88cd3d69-874c-4a41-bc25-986875ef8075

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/175128/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.5331.23401.UNOFFICIAL
Create hunting rule

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:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/761c9e70-b231-4ba8-b5aa-44657cb5717c
Result
Threat name:
Raccoon RedLine SmokeLoader Vidar
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/824060
Signature
Antivirus detection for URL or domain
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)
Contains functionality to inject code into remote processes
Contains functionality to steal Internet Explorer form passwords
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected Stratum mining protocol
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)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Obfuscated command line found
PE file contains section with special chars
Performs DNS queries to domains with low reputation
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Send many emails (e-Mail Spam)
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 / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
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 Crypto Currency Wallets
Tries to steal Mail credentials (via file access)
Uses known network protocols on non-standard ports
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 456472 Sample: 5F8i5lJ4oT.exe Startdate: 29/07/2021 Architecture: WINDOWS Score: 100 78 whois.iana.org 2->78 80 192.168.2.4, 443, 49684, 49685 unknown unknown 2->80 82 38 other IPs or domains 2->82 128 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->128 130 Antivirus detection for URL or domain 2->130 132 System process connects to network (likely due to code injection or exploit) 2->132 136 18 other signatures 2->136 11 5F8i5lJ4oT.exe 2->11         started        14 twietdt 2->14         started        16 svchost.exe 1 2->16         started        18 3 other processes 2->18 signatures3 134 Tries to resolve many domain names, but no domain seems valid 78->134 process4 dnsIp5 146 Detected unpacking (changes PE section rights) 11->146 148 Contains functionality to inject code into remote processes 11->148 150 Injects a PE file into a foreign processes 11->150 21 5F8i5lJ4oT.exe 11->21         started        24 twietdt 14->24         started        152 System process connects to network (likely due to code injection or exploit) 16->152 84 www.google.com 18->84 signatures6 process7 signatures8 138 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 21->138 140 Maps a DLL or memory area into another process 21->140 142 Checks if the current machine is a virtual machine (disk enumeration) 21->142 26 explorer.exe 3 23 21->26 injected 144 Creates a thread in another existing process (thread injection) 24->144 process9 dnsIp10 86 readinglistforjuly9.xyz 26->86 88 readinglistforjuly8.xyz 26->88 90 15 other IPs or domains 26->90 70 C:\Users\user\AppData\Roaming\twietdt, PE32 26->70 dropped 72 C:\Users\user\AppData\Local\Temp\B3DE.exe, PE32 26->72 dropped 74 C:\Users\user\AppData\Local\Temp\8E92.exe, PE32 26->74 dropped 76 9 other files (6 malicious) 26->76 dropped 154 System process connects to network (likely due to code injection or exploit) 26->154 156 Benign windows process drops PE files 26->156 158 Performs DNS queries to domains with low reputation 26->158 162 2 other signatures 26->162 31 7E1C.exe 80 26->31         started        36 8E92.exe 26->36         started        38 80E5.exe 26->38         started        40 5 other processes 26->40 file11 160 Tries to resolve many domain names, but no domain seems valid 88->160 signatures12 process13 dnsIp14 92 telete.in 31->92 94 telete.in 195.201.225.248, 443, 49764 HETZNER-ASDE Germany 31->94 96 34.141.84.7, 49765, 80 ATGS-MMD-ASUS United States 31->96 52 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 31->52 dropped 54 C:\Users\user\AppData\...\vcruntime140.dll, PE32 31->54 dropped 66 57 other files (none is malicious) 31->66 dropped 102 Detected unpacking (changes PE section rights) 31->102 104 Detected unpacking (overwrites its own PE header) 31->104 106 Tries to steal Mail credentials (via file access) 31->106 108 Contains functionality to steal Internet Explorer form passwords 31->108 98 116.202.183.50 HETZNER-ASDE Germany 36->98 100 xeronxikxxx.tumblr.com 74.114.154.22 AUTOMATTICUS Canada 36->100 56 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 36->56 dropped 58 C:\Users\user\AppData\...\mozglue[1].dll, PE32 36->58 dropped 60 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 36->60 dropped 68 9 other files (none is malicious) 36->68 dropped 110 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->110 112 Tries to harvest and steal browser information (history, passwords, etc) 36->112 114 Tries to steal Crypto Currency Wallets 36->114 116 Query firmware table information (likely to detect VMs) 38->116 118 Tries to detect sandboxes and other dynamic analysis tools (window names) 38->118 120 Hides threads from debuggers 38->120 42 conhost.exe 38->42         started        62 C:\Users\user\AppData\Local\Temp\...\l.exe, PE32 40->62 dropped 64 C:\Users\user\AppData\Local\Temp\...\c.exe, PE32 40->64 dropped 122 Sample uses process hollowing technique 40->122 126 2 other signatures 40->126 44 cmd.exe 40->44         started        46 conhost.exe 40->46         started        file15 124 Tries to resolve many domain names, but no domain seems valid 92->124 signatures16 process17 process18 48 conhost.exe 44->48         started        50 c.exe 44->50         started       
Detection:
raccoon
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc7bb70f59502991cb2f9470c067596f6c24da5deb7669aae79cdc9912b6e00d/
Threat name:
Win32.Trojan.Azorult
Create hunting rule
Status:
Malicious
First seen:
2021-07-29 17:45:13 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xr53od2zkauzdszpsrymaz2zn5wcjws55n3gtkxhttojsevw4agq._file
Verdict:
malicious
Similar samples:
1bf74cb8e8298fe42ed4956def3e9fce1d095a138516487b378935455223d112
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5d2140c3ab1944f381206aa8d5c3ae0e5c2dad60751d3a2f631b1b08a810baa2
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a3eaf45cf366908149a9143b9426bfa6c3dacca3ffb910031c2d7d65fa51fd0d
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d1697994428238aced8ff24acff0b131d9737a0659a81e4a7395a746c5ce353e
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d3849946eb2dd2aa6bebcddb30751a4a99bc05ee5011db3f5081df2f970a1854
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fe74f3ee571f291acdaa6d0546bc16e7d5feb3ca1bd6ad1fb3c74b73483b871b
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fff093b2593add9b7f59377b88e4e9586a8b728d82df197aad087d7e95615fd9
Smoke Loader
+ 1'928 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:loaderbot family:raccoon family:redline family:smokeloader family:tofsee family:vidar botnet:408 botnet:517 botnet:824 botnet:cd8dc1031358b1aec55cc6bc447df1018b068607 botnet:eu_bot_1 backdoor discovery evasion infostealer loader miner persistence spyware stealer suricata themida trojan
Link:
https://tria.ge/reports/210729-b9jqresgss/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Runs ping.exe
Suspicious behavior: CmdExeWriteProcessMemorySpam
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 WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
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
Checks whether UAC is enabled
Looks up external IP address via web service
Checks BIOS information in registry
Deletes itself
Drops startup file
Loads dropped DLL
Modifies file permissions
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Themida packer
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
Identifies VirtualBox via ACPI registry values (likely anti-VM)
LoaderBot executable
Vidar Stealer
LoaderBot
Raccoon
Raccoon Stealer Payload
RedLine
RedLine Payload
SmokeLoader
Tofsee
Vidar
Windows security bypass
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://readinglistforjuly1.xyz/
http://readinglistforjuly2.xyz/
http://readinglistforjuly3.xyz/
http://readinglistforjuly4.xyz/
http://readinglistforjuly5.xyz/
http://readinglistforjuly6.xyz/
http://readinglistforjuly7.xyz/
http://readinglistforjuly8.xyz/
http://readinglistforjuly9.xyz/
http://readinglistforjuly10.xyz/
http://readinglistforjuly1.site/
http://readinglistforjuly2.site/
http://readinglistforjuly3.site/
http://readinglistforjuly4.site/
http://readinglistforjuly5.site/
http://readinglistforjuly6.site/
http://readinglistforjuly7.site/
http://readinglistforjuly8.site/
http://readinglistforjuly9.site/
http://readinglistforjuly10.site/
http://readinglistforjuly1.club/
http://readinglistforjuly2.club/
http://readinglistforjuly3.club/
http://readinglistforjuly4.club/
http://readinglistforjuly5.club/
http://readinglistforjuly6.club/
http://readinglistforjuly7.club/
http://readinglistforjuly8.club/
http://readinglistforjuly9.club/
http://readinglistforjuly10.club/
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://xeronxikxxx.tumblr.com/
185.234.247.136:47666
https://shpak125.tumblr.com/
Unpacked files
SH256 hash:
8ac5259909dbe5f2072c1806f3438f9740dbb4ba8f8f786925a643e73f58e73a
MD5 hash:
5fd3463632f363a8adcf7105209eb6ec
SHA1 hash:
0a2aa8aea269d9580ba623add2af44fea45c2714
Link:
https://www.unpac.me/results/78b790b5-e07f-4f2a-860c-71b4c3fa9e90/
SH256 hash:
bc7bb70f59502991cb2f9470c067596f6c24da5deb7669aae79cdc9912b6e00d
MD5 hash:
4b5bd26f22fff1533f5a9599c54c07ef
SHA1 hash:
78897a65a809cd45107c1cfd592f018b1dcb3425
Link:
https://www.unpac.me/results/78b790b5-e07f-4f2a-860c-71b4c3fa9e90/
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/bc7bb70f59502991cb2f9470c067596f6c24da5deb7669aae79cdc9912b6e00d

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 bc7bb70f59502991cb2f9470c067596f6c24da5deb7669aae79cdc9912b6e00d

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/175128/
  
URLhaus
https://urlhaus.abuse.ch/url/1476589/
  
Delivery method
Distributed via web download

Comments