MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4272d50d759608b77e9240a433fc1a4bbf149e8f4cb05d6f89fb53fd73446a48. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments 1

SHA256 hash: 4272d50d759608b77e9240a433fc1a4bbf149e8f4cb05d6f89fb53fd73446a48
SHA3-384 hash: 02cb2f2ee39636ebed3f20d9e7b6a05ff65d49850ba66db5dcaff7776fc33f22bd40c5fb90deb23459084a65e2eaf592
SHA1 hash: a93140d92b0cfafc09cb5eee77399aa693b2de3f
MD5 hash: 432a7a6b4b723e5d88eae3fe158c6ae6
humanhash: purple-music-lactose-sixteen
File name:432a7a6b4b723e5d88eae3fe158c6ae6
Download: download sample
Signature Smoke Loader
File size:1'783'176 bytes
First seen:2023-12-04 04:45:30 UTC
Last seen:2023-12-04 06:32:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b40453716ee76c427966432a258dc29f (1 x Smoke Loader)
ssdeep 12288:2GcbKnZVj7SRrfZetBO1rgRO6u2TdimrfZetCvmKT6IQViL/MW5bk3:2GcmnZlSRa0uOR2xZnkiYWZk3
Threatray 2 similar samples on MalwareBazaar
TLSH T1278518E321E9041AC53E8A3001A192BD07FB6DBE97EB49DBD7C7BD1C6B3494C1A32156
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00c236cbcbcb3440 (1 x Smoke Loader)
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
405
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
432a7a6b4b723e5d88eae3fe158c6ae6
Verdict:
Malicious activity
Analysis date:
2023-12-04 04:46:09 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Creating a window
Reading critical registry keys
Creating a file
Query of malicious DNS domain
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm control evasive explorer greyware hacktool hook lolbin overlay regedit rundll32 shell32
Verdict:
Malicious
Labled as:
Generik.MUUOUSQ potentially unwanted application
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.
Result
Threat name:
Remcos, RHADAMANTHYS, SmokeLoader
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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 the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Creates autostart registry keys with suspicious names
Deletes itself after installation
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)
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
Sigma detected: Remcos
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected RHADAMANTHYS Stealer
Yara detected SmokeLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1352881 Sample: 2TTkgBtLsB.exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 77 atillapro.com 2->77 79 geoplugin.net 2->79 99 Snort IDS alert for network traffic 2->99 101 Multi AV Scanner detection for domain / URL 2->101 103 Found malware configuration 2->103 105 11 other signatures 2->105 12 2TTkgBtLsB.exe 2->12         started        15 gbauhaj 2->15         started        17 gbauhaj 2->17         started        signatures3 process4 signatures5 141 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->141 143 Maps a DLL or memory area into another process 12->143 19 2TTkgBtLsB.exe 12->19         started        145 Multi AV Scanner detection for dropped file 15->145 147 Machine Learning detection for dropped file 15->147 22 gbauhaj 15->22         started        24 gbauhaj 17->24         started        26 gbauhaj 17->26         started        28 gbauhaj 17->28         started        process6 signatures7 107 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 19->107 109 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 19->109 111 Maps a DLL or memory area into another process 19->111 30 explorer.exe 41 9 19->30 injected 113 Checks if the current machine is a virtual machine (disk enumeration) 22->113 115 Creates a thread in another existing process (thread injection) 22->115 process8 dnsIp9 83 atillapro.com 185.196.8.205, 49712, 49715, 49723 SIMPLECARRER2IT Switzerland 30->83 85 45.153.184.199, 49713, 49714, 80 MVPShttpswwwmvpsnetEU Bulgaria 30->85 69 C:\Users\user\AppData\Roaming\gbauhaj, PE32 30->69 dropped 71 C:\Users\user\AppData\Local\Temp\9DF3.exe, PE32 30->71 dropped 73 C:\Users\user\AppData\Local\Temp\9A58.exe, PE32 30->73 dropped 75 C:\Users\user\...\gbauhaj:Zone.Identifier, ASCII 30->75 dropped 91 System process connects to network (likely due to code injection or exploit) 30->91 93 Benign windows process drops PE files 30->93 95 Injects code into the Windows Explorer (explorer.exe) 30->95 97 3 other signatures 30->97 35 9DF3.exe 14 30->35         started        38 OpenWith.exe 30->38         started        40 explorer.exe 20 30->40         started        42 9 other processes 30->42 file10 signatures11 process12 dnsIp13 117 Multi AV Scanner detection for dropped file 35->117 119 Machine Learning detection for dropped file 35->119 121 Maps a DLL or memory area into another process 35->121 45 9DF3.exe 2 3 35->45         started        123 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 38->123 125 Tries to steal Mail credentials (via file / registry access) 38->125 127 Tries to harvest and steal browser information (history, passwords, etc) 38->127 129 Tries to harvest and steal Bitcoin Wallet information 38->129 49 wmpshare.exe 38->49         started        131 System process connects to network (likely due to code injection or exploit) 40->131 81 95.214.25.106, 1677, 49718, 49720 CMCSUS Germany 42->81 133 Found many strings related to Crypto-Wallets (likely being stolen) 42->133 51 9A58.exe 1 42->51         started        53 9A58.exe 42->53         started        55 remcos.exe 42->55         started        57 remcos.exe 42->57         started        signatures14 process15 file16 67 C:\ProgramData\Remcos\remcos.exe, PE32 45->67 dropped 149 Creates autostart registry keys with suspicious names 45->149 59 remcos.exe 12 45->59         started        signatures17 process18 signatures19 135 Multi AV Scanner detection for dropped file 59->135 137 Machine Learning detection for dropped file 59->137 139 Maps a DLL or memory area into another process 59->139 62 remcos.exe 59->62         started        65 remcos.exe 59->65         started        process20 dnsIp21 87 185.157.162.241, 1303, 49716 OBE-EUROPEObenetworkEuropeSE Sweden 62->87 89 geoplugin.net 178.237.33.50, 49717, 80 ATOM86-ASATOM86NL Netherlands 62->89
Threat name:
Win32.Trojan.Toraldrop
Status:
Malicious
First seen:
2023-12-02 10:38:09 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
11 of 23 (47.83%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetThreadContext
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://atillapro.com/
https://atillapro.com/
Unpacked files
SH256 hash:
c507ee1d3efd0c74eccc1b822c1c7659212cd02146af3a56b1d2987147cb5029
MD5 hash:
b59d5d6c2f679afb0b65b861945cd946
SHA1 hash:
26f4bde35829437d86dc27d221633d84c8b50ecc
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
4272d50d759608b77e9240a433fc1a4bbf149e8f4cb05d6f89fb53fd73446a48
MD5 hash:
432a7a6b4b723e5d88eae3fe158c6ae6
SHA1 hash:
a93140d92b0cfafc09cb5eee77399aa693b2de3f
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:virustotal
Author:Tracel

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 4272d50d759608b77e9240a433fc1a4bbf149e8f4cb05d6f89fb53fd73446a48

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-12-04 04:45:31 UTC

url : hxxp://45.153.184.199/file.exe