MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4aa5d31d20f0fd1c34a98270119339269fb7be574e580d7a21da7ecb3a59f471. 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: 4aa5d31d20f0fd1c34a98270119339269fb7be574e580d7a21da7ecb3a59f471
SHA3-384 hash: 8851629617d68c1fc916d531a37b1b8ede0960265637338e862b694c3fda5b2cb5d9f05cccbda4606bfaf8e3815562be
SHA1 hash: 035f4c467b5a953444b3b270b51c695095038191
MD5 hash: ff93fc1a843522b8b959086a642f3675
humanhash: bacon-west-nuts-oscar
File name:ff93fc1a843522b8b959086a642f3675.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:185'344 bytes
First seen:2021-08-16 12:03:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a93d3aeb5048cb343bc92212709955c9 (5 x Smoke Loader, 2 x RedLineStealer, 2 x RaccoonStealer)
ssdeep 3072:IELTWW/LnTM1111r1cHbCIckpeBNRTRGc/mLBLZtCZ7yq:VL1zTE1UbC7lcc/mL3
Threatray 1'102 similar samples on MalwareBazaar
TLSH T11604CF2D759FC032C392753184778FAC1AF9EF20DA53097B6788256A6F70EF0466634A
dhash icon 4839b2b0e8c38890 (105 x RaccoonStealer, 38 x Smoke Loader, 33 x RedLineStealer)
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:
ff93fc1a843522b8b959086a642f3675.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-16 12:04:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/781b19de-cc46-418b-bf5a-507f4e24ac39

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/179537/
Detection(s):
Win.Dropper.Jaik-9886409-0
Create hunting rule

Win.Malware.Filerepmalware-9886452-0
Create hunting rule

Win.Malware.Generic-9886453-0
Create hunting rule

Win.Malware.Generic-9886462-0
Create hunting rule

Win.Malware.Filerepmalware-9886465-0
Create hunting rule

Win.Malware.Filerepmalware-9886466-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
Creating a process from a recently created file
Unauthorized injection to a recently created process
Query of malicious DNS domain
Unauthorized injection to a recently created process by context flags manipulation
Deleting of the original file
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Unauthorized injection to a system process
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/a8ae49bc-8a00-422e-b85a-8ac58b6309f2
Result
Threat name:
Raccoon RedLine SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
bank.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/833504
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if browser processes are running
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to compare user and computer (likely to detect sandboxes)
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)
Found malware configuration
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 dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 (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 Mail credentials (via file access)
Uses known network protocols on non-standard ports
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 465947 Sample: 1kiBJK4p3v.exe Startdate: 16/08/2021 Architecture: WINDOWS Score: 100 45 telete.in 2->45 47 api.ip.sb 2->47 59 Multi AV Scanner detection for domain / URL 2->59 61 Found malware configuration 2->61 63 Antivirus detection for URL or domain 2->63 65 9 other signatures 2->65 10 1kiBJK4p3v.exe 2->10         started        13 juiaicu 2->13         started        signatures3 process4 signatures5 77 Detected unpacking (changes PE section rights) 10->77 79 Contains functionality to inject code into remote processes 10->79 81 Injects a PE file into a foreign processes 10->81 15 1kiBJK4p3v.exe 10->15         started        83 Multi AV Scanner detection for dropped file 13->83 85 Machine Learning detection for dropped file 13->85 18 juiaicu 13->18         started        process6 signatures7 107 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 15->107 109 Maps a DLL or memory area into another process 15->109 111 Checks if the current machine is a virtual machine (disk enumeration) 15->111 20 explorer.exe 2 15->20 injected 113 Creates a thread in another existing process (thread injection) 18->113 process8 dnsIp9 49 readinglistforjuly8.xyz 20->49 51 readinglistforjuly7.xyz 20->51 53 13 other IPs or domains 20->53 41 C:\Users\user\AppData\Roaming\juiaicu, PE32 20->41 dropped 43 C:\Users\user\...\juiaicu:Zone.Identifier, ASCII 20->43 dropped 67 System process connects to network (likely due to code injection or exploit) 20->67 69 Benign windows process drops PE files 20->69 71 Performs DNS queries to domains with low reputation 20->71 75 2 other signatures 20->75 25 explorer.exe 12 20->25         started        29 2A59.exe 14 3 20->29         started        31 1411.exe 15 3 20->31         started        33 6 other processes 20->33 file10 73 Tries to resolve many domain names, but no domain seems valid 51->73 signatures11 process12 dnsIp13 55 readinglistforjuly4.site 25->55 87 System process connects to network (likely due to code injection or exploit) 25->87 89 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->89 91 Tries to steal Mail credentials (via file access) 25->91 105 3 other signatures 25->105 93 Detected unpacking (changes PE section rights) 29->93 95 Query firmware table information (likely to detect VMs) 29->95 97 Tries to detect sandboxes and other dynamic analysis tools (window names) 29->97 35 conhost.exe 29->35         started        57 95.179.166.29, 49741, 49748, 60101 AS-CHOOPAUS Netherlands 31->57 99 Hides threads from debuggers 31->99 101 Tries to detect sandboxes / dynamic malware analysis system (registry check) 31->101 37 conhost.exe 31->37         started        39 WerFault.exe 20 9 33->39         started        signatures14 103 Tries to resolve many domain names, but no domain seems valid 55->103 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4aa5d31d20f0fd1c34a98270119339269fb7be574e580d7a21da7ecb3a59f471/
Threat name:
Win32.Backdoor.Mokes
Create hunting rule
Status:
Malicious
First seen:
2021-08-16 05:30:55 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Verdict:
suspicious
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Smoke Loader
+ 1'092 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:raccoon family:redline family:smokeloader botnet:cd8dc1031358b1aec55cc6bc447df1018b068607 backdoor discovery evasion infostealer spyware stealer themida trojan
Link:
https://tria.ge/reports/210816-lhs8x7pvds/
Behaviour
Checks SCSI registry key(s)
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
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
Checks BIOS information in registry
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
Downloads MZ/PE file
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Raccoon
Raccoon Stealer Payload
RedLine
RedLine Payload
SmokeLoader
Suspicious use of NtCreateProcessExOtherParentProcess
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/
Unpacked files
SH256 hash:
8b085611ecc9d6df0bc54d8421e57eb82f70c2c085e488ccfb41b4d26560bc57
MD5 hash:
3dff4690ed57aba1cd05faf0e7d2ec18
SHA1 hash:
feda1fc6459b5391f3a56da56d9da8089944df5b
Link:
https://www.unpac.me/results/c7130a79-d3a1-43d5-83dd-b0ab197e7ff7/
SH256 hash:
4aa5d31d20f0fd1c34a98270119339269fb7be574e580d7a21da7ecb3a59f471
MD5 hash:
ff93fc1a843522b8b959086a642f3675
SHA1 hash:
035f4c467b5a953444b3b270b51c695095038191
Link:
https://www.unpac.me/results/c7130a79-d3a1-43d5-83dd-b0ab197e7ff7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4aa5d31d20f0/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/4aa5d31d20f0fd1c34a98270119339269fb7be574e580d7a21da7ecb3a59f471

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 4aa5d31d20f0fd1c34a98270119339269fb7be574e580d7a21da7ecb3a59f471

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1532714/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/179537/

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