MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c236256dbc5dba5926eda92e6400462301806828b2f56625cd32d1ad447358b. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c236256dbc5dba5926eda92e6400462301806828b2f56625cd32d1ad447358b
SHA3-384 hash: fbdee9dbd6727a33ce7586c9b56244b0458eab26b996bee1cfca9b0c1a608e1c0bdf98abab4dd0e98a34469b15aa0134
SHA1 hash: ff1d4cc5d6de200e7daf2c156f02f58eda9bc955
MD5 hash: ef0ad9f732f18fcbd7895cfac819291f
humanhash: eight-lactose-eighteen-muppet
File name:ef0ad9f732f18fcbd7895cfac819291f.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:204'288 bytes
First seen:2024-01-12 10:48:34 UTC
Last seen:2024-01-12 12:24:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 68a8ea22d5d11f69338a9c3926759f70 (1 x Tofsee, 1 x GCleaner, 1 x Smoke Loader)
ssdeep 3072:qb5//G141eFwJiyIFbmE3to5JFKfasgU0H9iKcIOUIapRMqGA:O5C41eF/6Em5eaE0diKcTUOdA
TLSH T102147D1036F6C432F7F35A764670D3A40E7BB86779719A8E1AC546BD4F256E2CA2030B
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)
dhash icon d2b1e4c4e4b9c7f9 (9 x Smoke Loader, 5 x Stealc, 2 x RedLineStealer)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
325
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
4c236256dbc5dba5926eda92e6400462301806828b2f56625cd32d1ad447358b.exe
Verdict:
Malicious activity
Analysis date:
2024-01-12 11:21:49 UTC
Tags:
loader smoke smokeloader
Link:
https://app.any.run/tasks/55c54a65-90a6-4f3b-8768-869698dc1c5e

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/470473/
Detection(s):
SecuriteInfo.com.Win32.BotX-gen.13609.805.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65a1191fe1815911f168ba60/reports/4559671d-0060-4c0e-a7cb-37fb562f0a4e/overview
Verdict:
Malicious
Labled as:
Jaik.Generic
Link:
https://www.hybrid-analysis.com/sample/4c236256dbc5dba5926eda92e6400462301806828b2f56625cd32d1ad447358b
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/2acbd8b0-358d-4335-a7e0-1c01dbd0e605
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1373632
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)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1373632 Sample: nC7uef8J1G.exe Startdate: 12/01/2024 Architecture: WINDOWS Score: 100 23 gxutc2c.com 2->23 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 7 other signatures 2->41 7 nC7uef8J1G.exe 2->7         started        10 hhtuhrr 2->10         started        12 hhtuhrr 2->12         started        signatures3 process4 signatures5 43 Detected unpacking (changes PE section rights) 7->43 45 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->45 47 Maps a DLL or memory area into another process 7->47 14 explorer.exe 38 3 7->14 injected 49 Multi AV Scanner detection for dropped file 10->49 51 Machine Learning detection for dropped file 10->51 53 Checks if the current machine is a virtual machine (disk enumeration) 10->53 55 Creates a thread in another existing process (thread injection) 12->55 process6 dnsIp7 25 gxutc2c.com 123.140.161.243, 49709, 49710, 49711 LGDACOMLGDACOMCorporationKR Korea Republic of 14->25 27 185.12.79.25, 49737, 49738, 49739 BIHNETBIHNETAutonomusSystemBA Bosnia and Herzegowina 14->27 19 C:\Users\user\AppData\Roaming\hhtuhrr, PE32 14->19 dropped 21 C:\Users\user\...\hhtuhrr:Zone.Identifier, ASCII 14->21 dropped 29 Benign windows process drops PE files 14->29 31 Deletes itself after installation 14->31 33 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->33 file8 signatures9
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c236256dbc5dba5926eda92e6400462301806828b2f56625cd32d1ad447358b/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-01-12 10:49:03 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jqrwevw3yxn2leto3kjomqaemiybqbucrmxvmys42mwrvvchgwfq._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor trojan
Link:
https://tria.ge/reports/240112-mwnq1sfbh4/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Uses Task Scheduler COM API
Deletes itself
Executes dropped EXE
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:
383d07797727802747eeefbc189944bc8438460e492752063d4b899659264e54
MD5 hash:
9bcde9dfa26981ec609bf45b3494e78a
SHA1 hash:
23d424a8dbd67eb4337500271eab6d125ce98702
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/206047d5-2c50-46ef-9f57-9baf2c3d9982/
Parent samples :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 hash:
4c236256dbc5dba5926eda92e6400462301806828b2f56625cd32d1ad447358b
MD5 hash:
ef0ad9f732f18fcbd7895cfac819291f
SHA1 hash:
ff1d4cc5d6de200e7daf2c156f02f58eda9bc955
Link:
https://www.unpac.me/results/206047d5-2c50-46ef-9f57-9baf2c3d9982/
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/4c236256dbc5dba5926eda92e6400462301806828b2f56625cd32d1ad447358b

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__SetConsoleCtrl
Create hunting rule
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 4c236256dbc5dba5926eda92e6400462301806828b2f56625cd32d1ad447358b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2743114/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/470473/

Comments