MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c. 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: 1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c
SHA3-384 hash: 564de107071b5f08c7d13dc663be917ff2a6b58c500676fd313e79bc495e2b01ad57bfae7b050be82529afae32f1e7d7
SHA1 hash: 6a3ede62744053fc7e3d54c0767de1b965f8f8aa
MD5 hash: c5405d1c50acf79fbfc26df4ae173c14
humanhash: spaghetti-sierra-pip-ack
File name:c5405d1c50acf79fbfc26df4ae173c14.exe
Download: download sample
Signature Smoke Loader
File size:250'368 bytes
First seen:2024-02-08 18:06:39 UTC
Last seen:2024-02-08 19:35:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c50fc44c4cf7f76a6615cc583b65389f (8 x Smoke Loader, 4 x GCleaner)
ssdeep 3072:4T5GKwmrrRmuzzc8xFhc/u2j9XRjoHFfMDrkbbN6rxlVZZhUm1hmB:kGKw4ASS22jllolfM8N6rxlVram1h
TLSH T15434BF1C33D0C071D25311324AA1C7F18A7E7866F663BE4FBBD52A7E1F3A29096A5709
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) (4504/4/1)
File icon (PE):PE icon
dhash icon d2f0e4d0e4f9c6f9 (2 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
335
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c.exe
Verdict:
Malicious activity
Analysis date:
2024-02-08 18:17:28 UTC
Tags:
loader smoke smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint glupteba 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:
Amadey, PureLog Stealer, 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)
Contains functionality to infect the boot sector
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 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
Sample uses string decryption to hide its real strings
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
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)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected Amadey
Yara detected Amadeys stealer DLL
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected SmokeLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1389375 Sample: O1yQjHheL6.exe Startdate: 08/02/2024 Architecture: WINDOWS Score: 100 67 sjyey.com 2->67 69 emgvod.com 2->69 71 6 other IPs or domains 2->71 73 Snort IDS alert for network traffic 2->73 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 18 other signatures 2->79 10 O1yQjHheL6.exe 2->10         started        13 jbhgebh 2->13         started        15 5EEB.exe 2->15         started        signatures3 process4 signatures5 103 Detected unpacking (changes PE section rights) 10->103 105 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->105 107 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->107 109 Creates a thread in another existing process (thread injection) 10->109 17 explorer.exe 67 9 10->17 injected 111 Multi AV Scanner detection for dropped file 13->111 113 Maps a DLL or memory area into another process 13->113 115 Checks if the current machine is a virtual machine (disk enumeration) 13->115 22 WerFault.exe 22 16 15->22         started        process6 dnsIp7 61 123.140.161.243, 49778, 49779, 49780 LGDACOMLGDACOMCorporationKR Korea Republic of 17->61 63 sjyey.com 196.188.169.138, 49706, 49707, 49708 EthioNet-ASET Ethiopia 17->63 65 2 other IPs or domains 17->65 49 C:\Users\user\AppData\Roaming\jbhgebh, PE32 17->49 dropped 51 C:\Users\user\AppData\Local\Temp\9C73.exe, PE32 17->51 dropped 53 C:\Users\user\AppData\Local\Temp\795A.exe, PE32 17->53 dropped 55 2 other malicious files 17->55 dropped 81 System process connects to network (likely due to code injection or exploit) 17->81 83 Benign windows process drops PE files 17->83 85 Deletes itself after installation 17->85 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->87 24 795A.exe 3 17->24         started        28 5EEB.exe 17->28         started        30 9C73.exe 17->30         started        file8 signatures9 process10 file11 57 C:\Users\user\AppData\Local\...\Utsysc.exe, PE32 24->57 dropped 91 Multi AV Scanner detection for dropped file 24->91 93 Detected unpacking (changes PE section rights) 24->93 95 Detected unpacking (overwrites its own PE header) 24->95 97 Contains functionality to inject code into remote processes 24->97 32 WerFault.exe 21 24->32         started        34 WerFault.exe 24->34         started        36 WerFault.exe 24->36         started        43 6 other processes 24->43 99 Contains functionality to infect the boot sector 28->99 38 WerFault.exe 21 28->38         started        59 C:\Users\user\AppData\Local\Temp\build.exe, PE32 30->59 dropped 101 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 30->101 40 cmd.exe 30->40         started        signatures12 process13 signatures14 89 Uses ipconfig to lookup or modify the Windows network settings 40->89 45 conhost.exe 40->45         started        47 ipconfig.exe 40->47         started        process15
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-02-06 12:47:04 UTC
File Type:
PE (Exe)
Extracted files:
34
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:amadey family:smokeloader botnet:pub1 backdoor trojan
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Amadey
SmokeLoader
Malware Config
C2 Extraction:
http://sjyey.com/tmp/index.php
http://babonwo.ru/tmp/index.php
http://mth.com.ua/tmp/index.php
http://piratia.pw/tmp/index.php
http://go-piratia.ru/tmp/index.php
http://anfesq.com
http://cbinr.com
http://rimakc.ru
Unpacked files
SH256 hash:
c397c95a266d8cd0e9d4ec771d7556e08f6e30b87562a2722eac3b80e99937f1
MD5 hash:
19520192dc420be42658e333466870e7
SHA1 hash:
7d299e6b632bf115ceea4edded34518d8f1d4404
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c
MD5 hash:
c5405d1c50acf79fbfc26df4ae173c14
SHA1 hash:
6a3ede62744053fc7e3d54c0767de1b965f8f8aa
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 1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c

(this sample)

  
Delivery method
Distributed via web download

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