MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b. 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 2 File information Comments

SHA256 hash: cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b
SHA3-384 hash: 3c2fad3d5c5eb1e972f996d28273fc84352d2acd7f951e15d0cb60fdb0ad8979535f21864ef852d9b86ee892748603e3
SHA1 hash: e08c148d0fb6b68679082500d62685d442dff7d8
MD5 hash: f289b12b7bd6cc6d1fc9e09d792a5b79
humanhash: march-sixteen-montana-east
File name:SecuriteInfo.com.Win32.TrojanX-gen.7072.18749
Download: download sample
Signature Smoke Loader
File size:246'272 bytes
First seen:2024-01-18 21:27:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash eca83d04a8476bcc568e22f1bc0330c0 (2 x UACModuleSmokeLoader, 2 x Stealc, 2 x GCleaner)
ssdeep 3072:L2YieatVPczJaKr9+7bQKcEdvRAtEo0kDticievIxHbrAFC74izRwZwM9f10UzVM:L2YiRtN97bkZicexHbrp74izRFyd1
TLSH T1FF347C2132F48036E2F35A348DB3D7E54E7BF862677095BF1BD5167A1E24AD18A2031B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 3370ccd2ccf033da (36 x Smoke Loader, 10 x Stealc, 8 x GCleaner)
Reporter SecuriteInfoCom
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
327
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b.exe
Verdict:
Malicious activity
Analysis date:
2024-01-18 21:28:57 UTC
Tags:
loader smoke smokeloader

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

Behaviour
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP GET request
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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 the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Downloads files with wrong headers with respect to MIME Content-Type
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 dropped file
Multi AV Scanner detection for submitted file
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)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1377065 Sample: SecuriteInfo.com.Win32.Troj... Startdate: 18/01/2024 Architecture: WINDOWS Score: 100 23 gxutc2c.com 2->23 25 a0907287.xsph.ru 2->25 33 Snort IDS alert for network traffic 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 6 other signatures 2->39 7 SecuriteInfo.com.Win32.TrojanX-gen.7072.18749.exe 2->7         started        10 rbrebdf 2->10         started        signatures3 process4 signatures5 41 Detected unpacking (changes PE section rights) 7->41 43 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->43 45 Maps a DLL or memory area into another process 7->45 53 2 other signatures 7->53 12 explorer.exe 8 5 7->12 injected 47 Multi AV Scanner detection for dropped file 10->47 49 Machine Learning detection for dropped file 10->49 51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->51 process6 dnsIp7 27 gxutc2c.com 186.182.55.44, 49705, 49706, 49707 TechtelLMDSComunicacionesInteractivasSAAR Argentina 12->27 29 211.119.84.111, 49738, 49739, 49740 LGDACOMLGDACOMCorporationKR Korea Republic of 12->29 31 a0907287.xsph.ru 141.8.192.26, 49730, 80 SPRINTHOSTRU Russian Federation 12->31 17 C:\Users\user\AppData\Roaming\rbrebdf, PE32 12->17 dropped 19 C:\Users\user\...\rbrebdf:Zone.Identifier, ASCII 12->19 dropped 21 C:\Users\user\AppData\Local\Temp\4733.exe, MS-DOS 12->21 dropped 55 System process connects to network (likely due to code injection or exploit) 12->55 57 Benign windows process drops PE files 12->57 59 Deletes itself after installation 12->59 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->61 file8 signatures9
Threat name:
Win32.Trojan.StealC
Status:
Malicious
First seen:
2024-01-18 18:59:06 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor trojan
Behaviour
Checks SCSI registry key(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Uses Task Scheduler COM API
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://gxutc2c.com/tmp/index.php
http://proekt8.ru/tmp/index.php
http://mth.com.ua/tmp/index.php
http://pirateking.online/tmp/index.php
http://piratia.pw/tmp/index.php
http://go-piratia.ru/tmp/index.php
Unpacked files
SH256 hash:
cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b
MD5 hash:
f289b12b7bd6cc6d1fc9e09d792a5b79
SHA1 hash:
e08c148d0fb6b68679082500d62685d442dff7d8
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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 cb509d8ab6bd2420904a66d6485419a6847da6d7c52e0eff4e8878c30423492b

(this sample)

  
Delivery method
Distributed via web download

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