MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f85f087cd4c5e653e539f5431e00200bada72e73099aa996b5477d1dec2d6cd0. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: f85f087cd4c5e653e539f5431e00200bada72e73099aa996b5477d1dec2d6cd0
SHA3-384 hash: 84e484c90a5ced069d5bbd6d60bc4f8a38173b6e4ce4774c142e1d38e918204485f82915fadd19a636377fe01a96f044
SHA1 hash: 09df17f48a6051b0e4cb9e30ed99dbe06e35d767
MD5 hash: 9ac7ffa251800cc332434f24cd533b44
humanhash: lemon-hotel-xray-violet
File name:BVP0189638.com
Download: download sample
Signature Smoke Loader
File size:413'664 bytes
First seen:2023-02-28 00:48:41 UTC
Last seen:2023-02-28 02:27:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7c2c71dfce9a27650634dc8b1ca03bf0 (160 x Loki, 58 x Formbook, 55 x Adware.Generic)
ssdeep 12288:wFvn9iYgBpri2ZaRDBlW9tRWWm0mHqvGrE84dvaigD:O9Dsr1ZeDCpmVHOGrE4
Threatray 438 similar samples on MalwareBazaar
TLSH T15294239F1150C4A7EFBA4C7117BA8557AAE0F2E20C62604B67207ED8BD41BE5CD0E727
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 6cecccdcd4d0e8f0 (4 x AveMariaRAT, 1 x Smoke Loader, 1 x GuLoader)
Reporter Anonymous
Tags:exe signed Smoke Loader

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-04-07T06:23:18Z
Valid to:2025-04-06T06:23:18Z
Serial number: 59974dbd75ace6947bd90a51ffd0a8781386369e
Thumbprint Algorithm:SHA256
Thumbprint: dcc6792e64cd93d186178e335ee4e71833f6f31ba444621cb9a103e888ceb7c7
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
212
Origin country :
KR KR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BVP0189638.com
Verdict:
Malicious activity
Analysis date:
2023-02-28 00:49:20 UTC
Tags:
n/a

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Delayed reading of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
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:
GuLoader, SmokeLoader
Detection:
malicious
Classification:
troj.evad.bank.spyw
Score:
100 / 100
Signature
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
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 evasive API chain (may stop execution after checking mutex)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
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 GuLoader
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 11818 Sample: BVP0189638.com.exe Startdate: 28/02/2023 Architecture: WINDOWS Score: 100 53 getmyfile.lat 2->53 65 Malicious sample detected (through community Yara rule) 2->65 67 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 4 other signatures 2->71 9 BVP0189638.com.exe 2 46 2->9         started        13 fiiccce 23 2->13         started        15 fiiccce 2->15         started        signatures3 process4 file5 41 C:\Users\user\AppData\Local\...\System.dll, PE32 9->41 dropped 43 C:\Users\user\AppData\Local\...ddie-CLI.exe, PE32+ 9->43 dropped 45 C:\Users\user\AppData\...\libgraphite2.dll, PE32+ 9->45 dropped 81 Tries to detect Any.run 9->81 83 Sample is not signed and drops a device driver 9->83 17 BVP0189638.com.exe 6 9->17         started        47 C:\Users\user\AppData\Local\...\System.dll, PE32 13->47 dropped 21 fiiccce 13->21         started        signatures6 process7 dnsIp8 49 getmyfile.lat 188.114.96.3, 443, 49842, 49853 CLOUDFLARENETUS European Union 17->49 51 192.168.11.1 unknown unknown 17->51 57 Tries to detect Any.run 17->57 59 Maps a DLL or memory area into another process 17->59 61 Checks if the current machine is a virtual machine (disk enumeration) 17->61 23 explorer.exe 5 5 17->23 injected 63 Creates a thread in another existing process (thread injection) 21->63 signatures9 process10 dnsIp11 55 176.113.115.171, 49847, 49848, 80 SELECTELRU Russian Federation 23->55 37 C:\Users\user\AppData\Roaming\fiiccce, PE32 23->37 dropped 39 C:\Users\user\...\fiiccce:Zone.Identifier, ASCII 23->39 dropped 73 Benign windows process drops PE files 23->73 75 Injects code into the Windows Explorer (explorer.exe) 23->75 77 Deletes itself after installation 23->77 79 2 other signatures 23->79 28 explorer.exe 16 23->28         started        31 explorer.exe 23->31         started        33 explorer.exe 23->33         started        35 4 other processes 23->35 file12 signatures13 process14 signatures15 85 System process connects to network (likely due to code injection or exploit) 28->85 87 Found evasive API chain (may stop execution after checking mutex) 28->87 89 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->89 93 3 other signatures 28->93 91 Tries to harvest and steal browser information (history, passwords, etc) 31->91
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:guloader family:smokeloader backdoor collection discovery downloader trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks installed software on the system
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
SmokeLoader
Malware Config
C2 Extraction:
http://176.113.115.171/
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:Ins_NSIS_Buer_Nov_2020_1
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

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