MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d311d7c8d8233168a120ce059b0e6376033ef73a2f5504f00f5a288d09df133. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d311d7c8d8233168a120ce059b0e6376033ef73a2f5504f00f5a288d09df133
SHA3-384 hash: 9450f8b1d6e61df2c9811bd2c34d78dcee585bff5a489c1c2a6021efdece76d66ed69810afb2c91b8df7f0b78d814aa3
SHA1 hash: e854b48e51ecb5fd14b4e22917dd3e542476b3fc
MD5 hash: 8d92225608efa622a4e87c8a4589b030
humanhash: earth-four-may-friend
File name:8d92225608efa622a4e87c8a4589b030
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:180'736 bytes
First seen:2023-11-01 22:02:46 UTC
Last seen:2023-11-01 23:18:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 770cdb8cf8cd4da991843f0525f56478 (2 x MarsStealer, 1 x Smoke Loader)
ssdeep 3072:Lu0QodMDpwNCZoHVUGnNcQPkZXgyxtOzvX8WYzT1zaI:W2MCNsoHVUGnNuXXSD0H5
TLSH T1E3046C4392E13D55F9664B329E2ED2E4331EF5618EA93BE931189A2F09F11F2C173712
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 d4849c96969084c4 (1 x Smoke Loader)
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
369
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
8d92225608efa622a4e87c8a4589b030
Verdict:
Malicious activity
Analysis date:
2023-11-01 23:30:31 UTC
Tags:
loader smoke sinkhole
Link:
https://app.any.run/tasks/93d57898-ca2a-451a-b0d3-fb4a67ce7fd2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
SmokeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/457695/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.34727.20403.22651.UNOFFICIAL
Create hunting rule

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 POST request
Unauthorized injection to a system process
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/6542cb1b34de31f579cfdd10/reports/f98ef763-670e-4f68-b3b8-d740e76b8fb9/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/4d311d7c8d8233168a120ce059b0e6376033ef73a2f5504f00f5a288d09df133
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bc1be06c-c990-40ce-98e2-f5ffc009952a
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1335723
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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)
Tries to download HTTP data from a sinkholed server
Tries to resolve many domain names, but no domain seems valid
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1335723 Sample: sQGMY4alSA.exe Startdate: 01/11/2023 Architecture: WINDOWS Score: 100 21 zasadacafe.by 2->21 23 zakrylki809.ru 2->23 25 17 other IPs or domains 2->25 33 Tries to download HTTP data from a sinkholed server 2->33 35 Snort IDS alert for network traffic 2->35 37 Found malware configuration 2->37 41 7 other signatures 2->41 7 sQGMY4alSA.exe 2->7         started        10 bveiuui 2->10         started        signatures3 39 Tries to resolve many domain names, but no domain seems valid 23->39 process4 signatures5 43 Detected unpacking (changes PE section rights) 7->43 45 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->45 47 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->47 55 3 other signatures 7->55 12 explorer.exe 7 3 7->12 injected 49 Antivirus detection for dropped file 10->49 51 Multi AV Scanner detection for dropped file 10->51 53 Machine Learning detection for dropped file 10->53 process6 dnsIp7 27 dublebomber.ru 212.193.48.80, 49737, 49738, 49740 ASBAXETNRU Russian Federation 12->27 29 tvoyaradostetoya.ru 195.123.219.57, 49739, 49746, 49751 ITLDC-NLUA Bulgaria 12->29 31 2 other IPs or domains 12->31 17 C:\Users\user\AppData\Roaming\bveiuui, PE32 12->17 dropped 19 C:\Users\user\...\bveiuui:Zone.Identifier, ASCII 12->19 dropped 57 System process connects to network (likely due to code injection or exploit) 12->57 59 Benign windows process drops PE files 12->59 61 Deletes itself after installation 12->61 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->63 file8 65 Tries to resolve many domain names, but no domain seems valid 27->65 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4d311d7c8d8233168a120ce059b0e6376033ef73a2f5504f00f5a288d09df133
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4d311d7c8d8233168a120ce059b0e6376033ef73a2f5504f00f5a288d09df133/
Threat name:
Win32.Trojan.StealC
Create hunting rule
Status:
Malicious
First seen:
2023-11-01 08:27:27 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=juyr27enqizrncqsbtqftmhgg5qdh33tul2vatya6wrirue56ezq._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/231101-1yb2wsdf8s/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Uses Task Scheduler COM API
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://dublebomber.ru/
http://yavasponimayu.ru/
http://nomnetozhedenyuzhkanuzhna.ru/
http://prostosmeritesya.ru/
http://ipoluchayteudovolstvie.ru/
http://super777bomba.ru/
http://specnaznachenie.ru/
http://zakrylki809.ru/
http://propertyminsk.by/
http://iloveua.ir/
http://moyabelorussiya.by/
http://tvoyaradostetoya.ru/
http://zasadacafe.by/
http://restmantra.by/
http://kozachok777.ru/
http://propertyiran.ir/
http://sakentoshi.ru/
http://popuasyfromua.ru/
http://diplombar.by/
Unpacked files
SH256 hash:
2100d850a75c59b8fd9397410bec6a3632db5166657514b68fcb6342dad20dc5
MD5 hash:
e590ed2a0eac4f068beae4014c422e91
SHA1 hash:
b8b2fe7268cf00e91e74083022e87b080fc719e8
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/6ab47bc6-686b-43bf-910d-bd63ce2f9845/
Parent samples :
143310670009099214b1b1a812e98a485db3e2879ab35dca8ba63005a62a610c
9a528b2b31d9d59018878fdf3b9d8db235df606500c67a4b8be3075701b014fc
efd2a3ddbf2b7e68a8f3359865dfcd6fd1403fb7d1dc945aa7aa4ccb50284ee7
8ba20520e093f97c81b1f698a3a3a75fa894040777ef32993a920c165613fbfa
d3bff8ee2566c13a391cec24be134d3d04ee65b87529e1c98caf93b5b559fce4
4d311d7c8d8233168a120ce059b0e6376033ef73a2f5504f00f5a288d09df133
a8a3130c779904e23b50d69b4e73a714b345e296feebb9f64a732d5c73e7973b
SH256 hash:
4d311d7c8d8233168a120ce059b0e6376033ef73a2f5504f00f5a288d09df133
MD5 hash:
8d92225608efa622a4e87c8a4589b030
SHA1 hash:
e854b48e51ecb5fd14b4e22917dd3e542476b3fc
Link:
https://www.unpac.me/results/6ab47bc6-686b-43bf-910d-bd63ce2f9845/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4d311d7c8d82/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/4d311d7c8d8233168a120ce059b0e6376033ef73a2f5504f00f5a288d09df133

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

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 4d311d7c8d8233168a120ce059b0e6376033ef73a2f5504f00f5a288d09df133

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2716567/
  
URLhaus
https://urlhaus.abuse.ch/url/2716568/
Cape
Cape
https://www.capesandbox.com/analysis/457695/

Comments


Avatar
zbet commented on 2023-11-01 22:02:47 UTC

url : hxxp://sakentoshi.ru/download/mstsc.exe