MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4793c4f1d490d454d761f7947b6451c07fbbc8639013f5c80b3f493e7c6cb6eb. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4793c4f1d490d454d761f7947b6451c07fbbc8639013f5c80b3f493e7c6cb6eb
SHA3-384 hash: 258b37ae7f8a1b0451d4f7a3c282e443da9e4d3ee9e00328067c9ec18719bf53eef1a6fe792bebdf09bb176b88118bde
SHA1 hash: edb0a9379263c6a0a12dd77df7d2abe373a24722
MD5 hash: 8e177d78ae583957804b5a933d6a3f1e
humanhash: charlie-hawaii-speaker-autumn
File name:172823964570053a59b24ac6432eba9d1852681850b7ea6d06bd275c12bfed591157d7099b818.dat-decoded
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:37'888 bytes
First seen:2024-10-06 18:34:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:MgRyFAxrpRAf/KP46VjlOPBktlTVlPavMTVp:M3KxVRAf/lAjuBcTVlPavMp
Threatray 3'821 similar samples on MalwareBazaar
TLSH T1E103D085BF90C0ADFF340AB712C5A5E19313BAEA088AE54DCB356D3B38A1D49245B49C
TrID 42.6% (.EXE) Win32 Executable (generic) (4504/4/1)
19.2% (.EXE) OS/2 Executable (generic) (2029/13)
18.9% (.EXE) Generic Win/DOS Executable (2002/3)
18.9% (.EXE) DOS Executable Generic (2000/1)
0.2% (.VXD) VXD Driver (29/21)
Magika pebin
Reporter abuse_ch
Tags:base64-decoded exe Smoke Loader


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence

File Origin
# of uploads :
1
# of downloads :
411
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
172823964570053a59b24ac6432eba9d1852681850b7ea6d06bd275c12bfed591157d7099b818.dat-decoded
Verdict:
Malicious activity
Analysis date:
2024-10-06 21:51:12 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/c444087a-fa51-48d7-9224-5d1bfddbec3a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6702d85fb932c04ee8fd933a
Tags:
Smokeloader
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive fasm packed
Link:
https://www.filescan.io/uploads/6702d8573b774e4bdf9393fb/reports/25ca68c9-6c2b-4c26-a0c2-585b6cd56eea/overview
Verdict:
Malicious
Labled as:
Trojan.Heur.Generic
Link:
https://www.hybrid-analysis.com/sample/4793c4f1d490d454d761f7947b6451c07fbbc8639013f5c80b3f493e7c6cb6eb
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/44c57385-f8d1-4baa-9fe5-e5dd4b1cd296
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
bank.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1527171
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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 API chain indicative of debugger detection
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects code into the Windows Explorer (explorer.exe)
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
PE file has a writeable .text section
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1527171 Sample: 172823964570053a59b24ac6432... Startdate: 06/10/2024 Architecture: WINDOWS Score: 100 42 quantumqube.org 2->42 44 innovixus.org 2->44 58 Suricata IDS alerts for network traffic 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 8 other signatures 2->64 8 172823964570053a59b24ac6432eba9d1852681850b7ea6d06bd275c12bfed591157d7099b818.dat-decoded.exe 2->8         started        11 hfetwhc 2->11         started        13 hfetwhc 2->13         started        signatures3 process4 signatures5 76 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->76 78 Maps a DLL or memory area into another process 8->78 80 Checks if the current machine is a virtual machine (disk enumeration) 8->80 15 explorer.exe 65 10 8->15 injected 82 Multi AV Scanner detection for dropped file 11->82 84 Creates a thread in another existing process (thread injection) 11->84 86 Switches to a custom stack to bypass stack traces 11->86 process6 dnsIp7 46 innovixus.org 198.54.117.242, 443, 49718, 49719 NAMECHEAP-NETUS United States 15->46 48 quantumqube.org 194.87.189.87, 443, 49714, 49715 AS-REGRU Russian Federation 15->48 30 C:\Users\user\AppData\Roaming\hfetwhc, PE32 15->30 dropped 32 C:\Users\user\...\hfetwhc:Zone.Identifier, ASCII 15->32 dropped 50 Benign windows process drops PE files 15->50 52 Injects code into the Windows Explorer (explorer.exe) 15->52 54 Deletes itself after installation 15->54 56 2 other signatures 15->56 20 explorer.exe 20 15->20         started        23 explorer.exe 15->23         started        25 explorer.exe 103 15->25         started        28 4 other processes 15->28 file8 signatures9 process10 file11 66 Found evasive API chain (may stop execution after checking mutex) 20->66 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->68 70 Tries to steal Mail credentials (via file / registry access) 20->70 74 3 other signatures 20->74 72 Tries to harvest and steal browser information (history, passwords, etc) 23->72 34 C:\...\Windows.ApplicationModel.Wallet.dll, PE32 25->34 dropped 36 C:\Users\user\AppData\...\WalletProxy.dll, PE32 25->36 dropped 38 C:\Users\...\WalletBackgroundServiceProxy.dll, PE32 25->38 dropped 40 11 other files (none is malicious) 25->40 dropped signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4793c4f1d490d454d761f7947b6451c07fbbc8639013f5c80b3f493e7c6cb6eb
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4793c4f1d490d454d761f7947b6451c07fbbc8639013f5c80b3f493e7c6cb6eb/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2024-10-06 18:35:06 UTC
File Type:
PE (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i6j4j4ousdkfjv3b66khwzcryb73xsddsaj7lsalh5et47dmw3vq._file
Verdict:
malicious
Label(s):
smokeloader
Create hunting rule
Similar samples:
12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb
Smoke Loader
3df16653affd5ddd6a27c4b9a4e92aa3e4b87fc61b4332b7c9675ba1cfc8a70f
Smoke Loader
4793c4f1d490d454d761f7947b6451c07fbbc8639013f5c80b3f493e7c6cb6eb
Smoke Loader
72701fd89271a881e14bfb170ee86d28f5c08fdb73f1be8c6904337c102bf7d7
Smoke Loader
80f14f5249c49d21ea607b34fa793d523e03acda8298b1ab1ae8a3d55428c6ce
Smoke Loader
error
Smoke Loader
f7544f07b4468e38e36607b5ac5b3835eac1487e7d16dd52ca882b3d021c19b6
Smoke Loader
+ 3'811 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor discovery trojan
Link:
https://tria.ge/reports/241006-w8brnayfql/
Behaviour
Checks SCSI registry key(s)
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/94a25597-fce8-41c6-be13-e3f2bf258fa7
Unpacked files
SH256 hash:
4793c4f1d490d454d761f7947b6451c07fbbc8639013f5c80b3f493e7c6cb6eb
MD5 hash:
8e177d78ae583957804b5a933d6a3f1e
SHA1 hash:
edb0a9379263c6a0a12dd77df7d2abe373a24722
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/3d5bd579-b0f0-45c9-9b2d-efa1103ea377/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4793c4f1d490/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/4793c4f1d490d454d761f7947b6451c07fbbc8639013f5c80b3f493e7c6cb6eb

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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

The table below shows additional information about this malware sample such as delivery method and external references.

70053a59b24ac6432eba9d1852681850b7ea6d06bd275c12bfed591157d7099b

Smoke Loader

Executable exe 4793c4f1d490d454d761f7947b6451c07fbbc8639013f5c80b3f493e7c6cb6eb

(this sample)

  
Dropped by
SHA256 70053a59b24ac6432eba9d1852681850b7ea6d06bd275c12bfed591157d7099b
  
Dropped by
MD5 70e9c58202fdd5c9f8733e74eb2ba892
  
URLhaus
https://urlhaus.abuse.ch/url/3217908/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments