MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b8c2357f802c77582699b2df19fb222d44505810717680706d1d2eb990a9470. 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: 6b8c2357f802c77582699b2df19fb222d44505810717680706d1d2eb990a9470
SHA3-384 hash: 9b5c2ce62e92967564051637a6c044b157f2f748c2cfd55e80e1ac13ee20327e07b4815d4c105cc99ee7e410f00a1d29
SHA1 hash: f99d44e5e12bdbe3d860e7e0bd1eab36a9f80763
MD5 hash: 0379bad990765727ec62111ff5a3e8e4
humanhash: tennessee-oklahoma-jig-network
File name:0379bad990765727ec62111ff5a3e8e4.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:153'600 bytes
First seen:2021-08-21 19:45:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash eff27d48d68df0af1612601744441acd (7 x RedLineStealer, 1 x RaccoonStealer, 1 x Smoke Loader)
ssdeep 1536:Wu9K2G7tAsz2wS5kNgyOJX2ks2zF02C5qHP6wG5Y5TrO4sszABFnLFBMK48j:WuCIw6X2knzFiuPRG5YFJsszgFnLmG
Threatray 5'403 similar samples on MalwareBazaar
TLSH T12DE3AD1039F0C432C49649334986CA90DA3EE971FFA5C6477F5B236E1FB12D09A2AF56
dhash icon 1072c093b0381902 (22 x RedLineStealer, 7 x RaccoonStealer, 4 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0379bad990765727ec62111ff5a3e8e4.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-21 19:46:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7f2a3de4-7c98-42c5-8275-20f1ac6657e6

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/181109/
Detection(s):
Win.Packed.Fragtor-9887412-0
Create hunting rule

Win.Packed.Fragtor-9887427-0
Create hunting rule

Win.Packed.Fragtor-9887428-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST request
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending a UDP request
Searching for analyzing tools
Searching for the window
Creating a file
Deleting a recently created file
Reading critical registry keys
Sending a custom TCP request
Delayed reading of the file
Using the Windows Management Instrumentation requests
Launching the default Windows debugger (dwwin.exe)
Launching a process
Unauthorized injection to a recently created process
Connection attempt to an infection source
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Deleting of the original file
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
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:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/591ee1cc-1bba-44d0-8bb1-efc8e5263d71
Result
Threat name:
Raccoon RedLine SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/836840
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
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)
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 unpacking (changes PE section rights)
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 domain / URL
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Performs DNS queries to domains with low reputation
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)
Query firmware table information (likely to detect VMs)
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 (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file access)
Uses known network protocols on non-standard ports
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 469271 Sample: K3dAVwicfc.exe Startdate: 21/08/2021 Architecture: WINDOWS Score: 100 54 readinglistforaugust2.xyz 2->54 56 api.ip.sb 2->56 72 Multi AV Scanner detection for domain / URL 2->72 74 Antivirus detection for URL or domain 2->74 76 System process connects to network (likely due to code injection or exploit) 2->76 78 12 other signatures 2->78 10 K3dAVwicfc.exe 2->10         started        13 jjjsrjb 2->13         started        signatures3 process4 signatures5 88 Detected unpacking (changes PE section rights) 10->88 90 Contains functionality to inject code into remote processes 10->90 92 Injects a PE file into a foreign processes 10->92 15 K3dAVwicfc.exe 10->15         started        18 jjjsrjb 13->18         started        process6 signatures7 112 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 15->112 114 Maps a DLL or memory area into another process 15->114 116 Checks if the current machine is a virtual machine (disk enumeration) 15->116 20 explorer.exe 17 15->20 injected 118 Creates a thread in another existing process (thread injection) 18->118 process8 dnsIp9 58 readinglistforaugust2.xyz 95.213.224.6, 49708, 49718, 80 SELECTELRU Russian Federation 20->58 60 192.168.2.1 unknown unknown 20->60 62 readinglistforaugust1.xyz 20->62 38 C:\Users\user\AppData\Roaming\jjjsrjb, PE32 20->38 dropped 40 C:\Users\user\AppData\Local\Temp\F58F.exe, PE32 20->40 dropped 42 C:\Users\user\AppData\Local\Temp\70C.exe, PE32 20->42 dropped 44 6 other files (3 malicious) 20->44 dropped 80 System process connects to network (likely due to code injection or exploit) 20->80 82 Benign windows process drops PE files 20->82 84 Performs DNS queries to domains with low reputation 20->84 86 2 other signatures 20->86 25 70C.exe 15 25 20->25         started        29 15B3.exe 76 20->29         started        32 F58F.exe 14 3 20->32         started        34 2 other processes 20->34 file10 signatures11 process12 dnsIp13 64 45.138.157.149 WEBHOST1-ASRU Russian Federation 25->64 66 api.ip.sb 25->66 94 Detected unpacking (changes PE section rights) 25->94 96 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 25->96 98 Query firmware table information (likely to detect VMs) 25->98 110 3 other signatures 25->110 36 conhost.exe 25->36         started        68 telete.in 195.201.225.248, 443, 49719 HETZNER-ASDE Germany 29->68 70 34.135.32.61, 49720, 49721, 80 ATGS-MMD-ASUS United States 29->70 46 C:\Users\user\AppData\...\vcruntime140.dll, PE32 29->46 dropped 48 C:\Users\user\AppData\...\ucrtbase.dll, PE32 29->48 dropped 50 C:\Users\user\AppData\...\softokn3.dll, PE32 29->50 dropped 52 55 other files (none is malicious) 29->52 dropped 100 Tries to steal Mail credentials (via file access) 29->100 102 Contains functionality to steal Internet Explorer form passwords 29->102 104 Tries to detect sandboxes and other dynamic analysis tools (window names) 32->104 106 Hides threads from debuggers 32->106 108 Tries to detect sandboxes / dynamic malware analysis system (registry check) 32->108 file14 signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b8c2357f802c77582699b2df19fb222d44505810717680706d1d2eb990a9470/
Threat name:
Win32.Trojan.Fragtor
Create hunting rule
Status:
Malicious
First seen:
2021-08-21 03:51:54 UTC
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Verdict:
suspicious
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+ 5'393 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:raccoon family:redline family:smokeloader botnet:b8ef25fa9e346b7a31e4b6ff160623dd5fed2474 botnet:fe582536ec580228180f270f7cb80a867860e010 botnet:onyxx1 backdoor discovery evasion infostealer spyware stealer themida trojan
Link:
https://tria.ge/reports/210821-batld9njgj/
Behaviour
Checks SCSI registry key(s)
Delays execution with timeout.exe
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
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
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
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Themida packer
Windows security modification
Downloads MZ/PE file
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Nirsoft
Raccoon
RedLine
RedLine Payload
SmokeLoader
Suspicious use of NtCreateProcessExOtherParentProcess
Turns off Windows Defender SpyNet reporting
Windows security bypass
Malware Config
C2 Extraction:
http://readinglistforaugust1.xyz/
http://readinglistforaugust2.xyz/
http://readinglistforaugust3.xyz/
http://readinglistforaugust4.xyz/
http://readinglistforaugust5.xyz/
http://readinglistforaugust6.xyz/
http://readinglistforaugust7.xyz/
http://readinglistforaugust8.xyz/
http://readinglistforaugust9.xyz/
http://readinglistforaugust10.xyz/
http://readinglistforaugust1.site/
http://readinglistforaugust2.site/
http://readinglistforaugust3.site/
http://readinglistforaugust4.site/
http://readinglistforaugust5.site/
http://readinglistforaugust6.site/
http://readinglistforaugust7.site/
http://readinglistforaugust8.site/
http://readinglistforaugust9.site/
http://readinglistforaugust10.site/
http://readinglistforaugust1.club/
http://readinglistforaugust2.club/
http://readinglistforaugust3.club/
http://readinglistforaugust4.club/
http://readinglistforaugust5.club/
http://readinglistforaugust6.club/
http://readinglistforaugust7.club/
http://readinglistforaugust8.club/
http://readinglistforaugust9.club/
http://readinglistforaugust10.club/
185.180.231.69:42875
Unpacked files
SH256 hash:
0a9a7acf77fe4f890fe2acf761fa7f369418bb1f733504acd0792f589ccc7b15
MD5 hash:
ad94a86355be2ad9348b88e8972e8320
SHA1 hash:
8c7ff71739a5194efc5c7bee9c37ad92a9e72646
Link:
https://www.unpac.me/results/125b428b-ecc9-4bb1-aae9-a8d702a3da04/
SH256 hash:
6b8c2357f802c77582699b2df19fb222d44505810717680706d1d2eb990a9470
MD5 hash:
0379bad990765727ec62111ff5a3e8e4
SHA1 hash:
f99d44e5e12bdbe3d860e7e0bd1eab36a9f80763
Link:
https://www.unpac.me/results/125b428b-ecc9-4bb1-aae9-a8d702a3da04/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6b8c2357f802/report/overview.html
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/6b8c2357f802c77582699b2df19fb222d44505810717680706d1d2eb990a9470

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 6b8c2357f802c77582699b2df19fb222d44505810717680706d1d2eb990a9470

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1549209/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/181109/

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