MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33f4af738a08adaadcd41df8a8597cb6c455dd30f98a217ba05fb7041c6361c7. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33f4af738a08adaadcd41df8a8597cb6c455dd30f98a217ba05fb7041c6361c7
SHA3-384 hash: 809f8e0f0cba8c7549ed888adbcc6595f4585e94b63852f02a8153b2e52473de0da2fc87d48cab9759f218eacf343f04
SHA1 hash: 1f8831b922459708423784f87b7ef599bcf2e511
MD5 hash: 1397e657985db08538385d8755e6b786
humanhash: north-summer-golf-muppet
File name:1397e657985db08538385d8755e6b786.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:1'515'056 bytes
First seen:2022-04-09 08:06:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f8445059d33e1fd81154d642a3354aed (1 x Smoke Loader)
ssdeep 24576:O75xsPH67WJxn87eLX61TLiyyXGUHQy/sEEASvgR6B9LZsIsr:AxsPGW02X6xrUHQoggR6TFsIs
Threatray 14'662 similar samples on MalwareBazaar
TLSH T15A65231783CD87ACD04D1AF0A0ED894690955FFB63A0625DDECA743A57B93B28339CD2
File icon (PE):PE icon
dhash icon b649cdcc6d6d2d12 (2 x RedLineStealer, 1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
307
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1397e657985db08538385d8755e6b786.exe
Verdict:
Suspicious activity
Analysis date:
2022-04-09 08:12:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1c24bd20-5493-45e9-b5a5-fee5225b920b

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/262291/
Detection(s):
Win.Dropper.Obsidium-9917799-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for analyzing tools
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP POST request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/62513eaa04b81dabe2643c77/reports/35da777c-c357-4eb2-ac7e-37404c20456c/overview
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:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0bcf5a7e-d6cc-4ef9-beaa-0e2a1d3978c9
Result
Threat name:
RedLine SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
bank.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/973716
Signature
Allocates memory in foreign processes
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)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Found evasive API chain (may stop execution after checking mutex)
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)
Hides threads from debuggers
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
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
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
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 evade debugger and weak emulator (self modifying code)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 606202 Sample: 3kky6xf5It.exe Startdate: 09/04/2022 Architecture: WINDOWS Score: 100 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 7 other signatures 2->53 8 3kky6xf5It.exe 2->8         started        11 tahsifr 2->11         started        process3 signatures4 69 Query firmware table information (likely to detect VMs) 8->69 71 Tries to detect sandboxes and other dynamic analysis tools (window names) 8->71 73 Tries to evade debugger and weak emulator (self modifying code) 8->73 79 6 other signatures 8->79 13 explorer.exe 5 8->13 injected 75 Multi AV Scanner detection for dropped file 11->75 77 Machine Learning detection for dropped file 11->77 process5 dnsIp6 41 hydroxychl0roquine.xyz 107.189.8.41, 49776, 80 PONYNETUS United States 13->41 43 transfer.sh 144.76.136.153, 443, 49778 HETZNER-ASDE Germany 13->43 45 192.168.2.1 unknown unknown 13->45 33 C:\Users\user\AppData\Roaming\tahsifr, PE32 13->33 dropped 35 C:\Users\user\AppData\Local\Temp915.exe, PE32 13->35 dropped 37 C:\Users\user\...\tahsifr:Zone.Identifier, ASCII 13->37 dropped 89 System process connects to network (likely due to code injection or exploit) 13->89 91 Benign windows process drops PE files 13->91 93 Performs DNS queries to domains with low reputation 13->93 95 4 other signatures 13->95 18 E915.exe 1 13->18         started        21 explorer.exe 13->21         started        23 explorer.exe 13->23         started        25 7 other processes 13->25 file7 signatures8 process9 signatures10 55 Machine Learning detection for dropped file 18->55 57 Writes to foreign memory regions 18->57 59 Allocates memory in foreign processes 18->59 61 Injects a PE file into a foreign processes 18->61 27 AppLaunch.exe 5 18->27         started        31 conhost.exe 18->31         started        63 Found evasive API chain (may stop execution after checking mutex) 21->63 65 Checks if browser processes are running 21->65 67 Contains functionality to compare user and computer (likely to detect sandboxes) 21->67 process11 dnsIp12 39 45.132.1.159, 44568, 49795, 49815 COOLHOUSING-ASVinohradska190CZ Czech Republic 27->39 81 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 27->81 83 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 27->83 85 Tries to harvest and steal browser information (history, passwords, etc) 27->85 87 Tries to steal Crypto Currency Wallets 27->87 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/33f4af738a08adaadcd41df8a8597cb6c455dd30f98a217ba05fb7041c6361c7/
Threat name:
Win32.Backdoor.Mokes
Create hunting rule
Status:
Malicious
First seen:
2022-04-09 08:07:10 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Verdict:
malicious
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Smoke Loader
+ 14'652 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:redline family:smokeloader backdoor evasion infostealer spyware trojan
Link:
https://tria.ge/reports/220409-jzze5sfee4/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks whether UAC is enabled
Checks BIOS information in registry
Downloads MZ/PE file
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
RedLine
RedLine Payload
SmokeLoader
Malware Config
C2 Extraction:
http://hydroxychl0roquine.xyz/
https://hydroxychl0roquine.xyz/
45.132.1.159:44568
Unpacked files
SH256 hash:
33f4af738a08adaadcd41df8a8597cb6c455dd30f98a217ba05fb7041c6361c7
MD5 hash:
1397e657985db08538385d8755e6b786
SHA1 hash:
1f8831b922459708423784f87b7ef599bcf2e511
Link:
https://www.unpac.me/results/a88bcf28-992c-4463-8257-8fafb8d085cb/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/33f4af738a08/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/33f4af738a08adaadcd41df8a8597cb6c455dd30f98a217ba05fb7041c6361c7

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_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value

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 33f4af738a08adaadcd41df8a8597cb6c455dd30f98a217ba05fb7041c6361c7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2136856/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/262291/

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