MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b4d4a61ef4fbabcb304b9c5665cc3e6c2ea866fba7d848094fe93ee6580411f. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b4d4a61ef4fbabcb304b9c5665cc3e6c2ea866fba7d848094fe93ee6580411f
SHA3-384 hash: 3f5f96a4dccb6d1421ea1108f858102f58615823747910096700abf2dec2d6162bc1171b4e7b352377d9d92ba52226ff
SHA1 hash: 3653372d26a08503acc0a3ffe66b67ed3bbc93e7
MD5 hash: b4eb6b71786c58d41f2b719e5c102662
humanhash: papa-steak-alanine-paris
File name:SecuriteInfo.com.Mal.GandCrypt-A.5674.24831
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:166'400 bytes
First seen:2021-03-27 19:31:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 329808ce6524a70205bbbd7f156d646a (3 x Smoke Loader, 1 x RaccoonStealer, 1 x RedLineStealer)
ssdeep 3072:liSZuUUam6zLP6j3G67Q05f+dyfrtm6UEG7NtY9lI:liSZu8meLPAV7Z5f/fR1m/cl
Threatray 279 similar samples on MalwareBazaar
TLSH F2F39D103AC6C8B3F5A229715964C2B51636FCBA4B2266C777C43B6D5F352F28A38743
Reporter SecuriteInfoCom
Tags:Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Mal.GandCrypt-A.5674.24831
Verdict:
Suspicious activity
Analysis date:
2021-03-27 19:33:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/19ae047d-95b5-423c-8278-e7442310105d

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/127281/
Detection(s):
SecuriteInfo.com.Mal.GandCrypt-A.5674.24831.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Deleting of the original file
Enabling autorun by creating a file
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/db93170f-138e-4ccd-86b7-222783e7392b
Result
Threat name:
Tofsee Vidar Xmrig
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/655917
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Benign windows process drops PE files
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Creates files in alternative data streams (ADS)
Deletes itself after installation
Detected Stratum mining protocol
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found strings related to Crypto-Mining
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Renames NTDLL to bypass HIPS
Sigma detected: Suspicious Svchost Process
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 harvest and steal Bitcoin Wallet information
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
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Uses ping.exe to check the status of other devices and networks
Writes to foreign memory regions
Yara detected Tofsee
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 376894 Sample: SecuriteInfo.com.Mal.GandCr... Startdate: 27/03/2021 Architecture: WINDOWS Score: 100 92 z-p42-instagram.c10r.facebook.com 2->92 94 www.instagram.com 2->94 96 7 other IPs or domains 2->96 124 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->124 126 Found malware configuration 2->126 128 Malicious sample detected (through community Yara rule) 2->128 130 12 other signatures 2->130 10 SecuriteInfo.com.Mal.GandCrypt-A.5674.exe 1 2->10         started        13 cexipxlb.exe 2->13         started        15 jbvdifh 1 2->15         started        signatures3 process4 file5 148 Detected unpacking (changes PE section rights) 10->148 150 Renames NTDLL to bypass HIPS 10->150 152 Maps a DLL or memory area into another process 10->152 18 explorer.exe 8 10->18 injected 154 Detected unpacking (overwrites its own PE header) 13->154 156 Writes to foreign memory regions 13->156 158 Allocates memory in foreign processes 13->158 160 Injects a PE file into a foreign processes 13->160 23 svchost.exe 13->23         started        90 C:\Users\user\AppData\Local\Temp\CC4F.tmp, PE32 15->90 dropped 162 Machine Learning detection for dropped file 15->162 164 Checks if the current machine is a virtual machine (disk enumeration) 15->164 166 Creates a thread in another existing process (thread injection) 15->166 signatures6 process7 dnsIp8 98 91.203.5.155, 49776, 80 VOLIA-ASUA Ukraine 18->98 100 junntd.xyz 37.34.176.37, 49741, 49760, 80 GPRS-ASZAINKW Kuwait 18->100 106 9 other IPs or domains 18->106 70 C:\Users\user\AppData\Roaming\jbvdifh, PE32 18->70 dropped 72 C:\Users\user\AppData\Local\Temp\8E30.exe, PE32 18->72 dropped 74 C:\Users\user\AppData\Local\Temp\7AF5.exe, PE32 18->74 dropped 78 2 other malicious files 18->78 dropped 132 System process connects to network (likely due to code injection or exploit) 18->132 134 Benign windows process drops PE files 18->134 136 Deletes itself after installation 18->136 138 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->138 25 70D2.exe 85 18->25         started        30 8E30.exe 2 18->30         started        32 7AF5.exe 14 18->32         started        102 185.253.217.20, 424, 49791, 49797 PINDC-ASRU Ukraine 23->102 104 52.101.24.0, 25, 50017, 50092 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->104 108 19 other IPs or domains 23->108 76 C:\Windows\SysWOW64\...\systemprofile:.repos, data 23->76 dropped 140 Creates files in alternative data streams (ADS) 23->140 142 Injects a PE file into a foreign processes 23->142 34 svchost.exe 23->34         started        file9 144 Detected Stratum mining protocol 102->144 signatures10 process11 dnsIp12 110 data.parafia-strumiany.pl 157.90.227.5, 49767, 80 REDIRISRedIRISAutonomousSystemES United States 25->110 112 api.faceit.com 104.17.62.50, 443, 49765 CLOUDFLARENETUS United States 25->112 80 C:\Users\user\AppData\...\softokn3[1].dll, PE32 25->80 dropped 82 C:\Users\user\AppData\...\freebl3[1].dll, PE32 25->82 dropped 84 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 25->84 dropped 88 9 other files (none is malicious) 25->88 dropped 168 Detected unpacking (changes PE section rights) 25->168 170 Detected unpacking (overwrites its own PE header) 25->170 172 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->172 184 3 other signatures 25->184 36 cmd.exe 1 25->36         started        86 C:\Users\user\AppData\Local\...\cexipxlb.exe, PE32 30->86 dropped 174 Machine Learning detection for dropped file 30->174 176 Uses netsh to modify the Windows network and firewall settings 30->176 178 Modifies the windows firewall 30->178 38 cmd.exe 2 30->38         started        41 cmd.exe 1 30->41         started        43 sc.exe 1 30->43         started        50 3 other processes 30->50 114 dolboeb1701.com 8.208.95.18, 49779, 49780, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 32->114 116 bdns.by 88.80.20.20, 443, 49763 PRQ-AS________________________SE Sweden 32->116 118 79.52.17.84.cbl.abuseat.org 32->118 180 Tries to steal Mail credentials (via file access) 32->180 182 Tries to harvest and steal browser information (history, passwords, etc) 32->182 45 cmd.exe 32->45         started        120 msr.pool-pay.com 176.9.119.47, 49818, 6199 HETZNER-ASDE Germany 34->120 48 conhost.exe 34->48         started        file13 signatures14 process15 dnsIp16 52 taskkill.exe 1 36->52         started        54 conhost.exe 36->54         started        56 timeout.exe 1 36->56         started        146 Uses ping.exe to check the status of other devices and networks 38->146 58 conhost.exe 38->58         started        60 conhost.exe 41->60         started        62 conhost.exe 43->62         started        122 127.0.0.1 unknown unknown 45->122 66 2 other processes 45->66 64 conhost.exe 50->64         started        68 2 other processes 50->68 signatures17 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b4d4a61ef4fbabcb304b9c5665cc3e6c2ea866fba7d848094fe93ee6580411f/
Threat name:
Win32.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2021-03-27 19:32:06 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Verdict:
malicious
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Smoke Loader
+ 269 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader family:taurus_stealer family:tofsee family:vidar family:xmrig backdoor discovery evasion miner persistence spyware stealer trojan
Link:
https://tria.ge/reports/210327-p3atsdhc7j/
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 system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Drops file in System32 directory
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
Looks up external IP address via web service
Deletes itself
Loads dropped DLL
Modifies file permissions
Reads local data of messenger clients
Reads user/profile data of web browsers
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
XMRig Miner Payload
SmokeLoader
Taurus Stealer
Tofsee
Vidar
Windows security bypass
xmrig
Malware Config
C2 Extraction:
http://xsss99.icu/upload/
http://bingooodsg.icu/upload/
http://junntd.xyz/upload/
http://ginessa11.xyz/upload/
http://overplayninsx.xyz/upload/
http://bananinze.com/upload/
http://daunimlas.com/upload/
Unpacked files
SH256 hash:
9182f5904e7eba21a624a9773b407b91b3ce62fe468eb2f08900097a2c11c736
MD5 hash:
83214661ec613049f6ac027885953f70
SHA1 hash:
48771dca71cded7df146802801f4c09b8fd0fd3b
Link:
https://www.unpac.me/results/a9fa2997-feb5-4b1f-a56f-fc4274d11b60/
SH256 hash:
6b4d4a61ef4fbabcb304b9c5665cc3e6c2ea866fba7d848094fe93ee6580411f
MD5 hash:
b4eb6b71786c58d41f2b719e5c102662
SHA1 hash:
3653372d26a08503acc0a3ffe66b67ed3bbc93e7
Link:
https://www.unpac.me/results/a9fa2997-feb5-4b1f-a56f-fc4274d11b60/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Glupteba
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6b4d4a61ef4fbabcb304b9c5665cc3e6c2ea866fba7d848094fe93ee6580411f

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:win_smokeloader_a2
Create hunting rule
Author:pnx

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 6b4d4a61ef4fbabcb304b9c5665cc3e6c2ea866fba7d848094fe93ee6580411f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1095253/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/127281/

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