MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c215b927e55ecd01db0d6f4231a873085871503cff180f9476fdf46ea70327d. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 5c215b927e55ecd01db0d6f4231a873085871503cff180f9476fdf46ea70327d
SHA3-384 hash: 303d4f250f889ada5b4897d5af326de825a2247242c5750aff9fd36adab88513c4f8ba097cb40ce3e7d164a2c530b8b5
SHA1 hash: 80dbcb65bc104b60ceae19790c2eec58f1977746
MD5 hash: 7ebf7d10757260b6666233d212869cd6
humanhash: oklahoma-alabama-georgia-indigo
File name:7ebf7d10757260b6666233d212869cd6.exe
Download: download sample
Signature Smoke Loader
File size:24'576 bytes
First seen:2023-02-08 18:47:47 UTC
Last seen:2023-02-08 20:30:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 96:A8pQb48e0TMo5B1FOlbxn0MGk+NiRB4e3T3eJMnMMKkCMMdzNt:ASdqB3OTnpr+iE
TLSH T156B2BA016398D778FC233E349DA717B00BBABDCA8821AF9F98407ADABD79781C515750
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 72690d69690d6972 (8 x AgentTesla, 6 x Smoke Loader, 2 x PureCrypter)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7ebf7d10757260b6666233d212869cd6.exe
Verdict:
Malicious activity
Analysis date:
2023-02-08 19:38:57 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
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:
SmokeLoader
Detection:
malicious
Classification:
troj.spyw.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)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
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
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 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 Costura Assembly Loader
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 802439 Sample: YUey4BKZgT.exe Startdate: 09/02/2023 Architecture: WINDOWS Score: 100 94 Snort IDS alert for network traffic 2->94 96 Multi AV Scanner detection for domain / URL 2->96 98 Malicious sample detected (through community Yara rule) 2->98 100 8 other signatures 2->100 10 YUey4BKZgT.exe 16 7 2->10         started        15 eerdtub 2->15         started        process3 dnsIp4 80 flordecor.sk 163.172.102.204, 443, 49679, 49680 OnlineSASFR United Kingdom 10->80 82 www.flordecor.sk 10->82 60 C:\Users\user\AppData\Roaming\...\Mhzrqb.exe, PE32 10->60 dropped 62 C:\Users\user\...\Mhzrqb.exe:Zone.Identifier, ASCII 10->62 dropped 64 C:\Users\user\AppData\...\YUey4BKZgT.exe.log, ASCII 10->64 dropped 134 Encrypted powershell cmdline option found 10->134 136 Injects a PE file into a foreign processes 10->136 17 YUey4BKZgT.exe 10->17         started        20 powershell.exe 16 10->20         started        84 www.flordecor.sk 15->84 138 Multi AV Scanner detection for dropped file 15->138 140 Machine Learning detection for dropped file 15->140 22 powershell.exe 15->22         started        file5 signatures6 process7 signatures8 86 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 17->86 88 Maps a DLL or memory area into another process 17->88 90 Checks if the current machine is a virtual machine (disk enumeration) 17->90 92 Creates a thread in another existing process (thread injection) 17->92 24 explorer.exe 4 5 17->24 injected 29 conhost.exe 20->29         started        31 conhost.exe 22->31         started        process9 dnsIp10 78 esplogem.ga 45.81.39.147, 49692, 49696, 80 LVLT-10753US United States 24->78 56 C:\Users\user\AppData\Roaming\eerdtub, PE32 24->56 dropped 58 C:\Users\user\...\eerdtub:Zone.Identifier, ASCII 24->58 dropped 118 Benign windows process drops PE files 24->118 120 Injects code into the Windows Explorer (explorer.exe) 24->120 122 Deletes itself after installation 24->122 124 2 other signatures 24->124 33 Mhzrqb.exe 14 4 24->33         started        37 Mhzrqb.exe 24->37         started        39 explorer.exe 24->39         started        41 6 other processes 24->41 file11 signatures12 process13 dnsIp14 66 www.flordecor.sk 33->66 68 flordecor.sk 33->68 70 192.168.2.1 unknown unknown 33->70 102 Multi AV Scanner detection for dropped file 33->102 104 Machine Learning detection for dropped file 33->104 106 Encrypted powershell cmdline option found 33->106 43 Mhzrqb.exe 33->43         started        46 powershell.exe 13 33->46         started        72 www.flordecor.sk 37->72 74 flordecor.sk 37->74 108 Injects a PE file into a foreign processes 37->108 48 Mhzrqb.exe 37->48         started        50 powershell.exe 37->50         started        76 esplogem.ga 39->76 110 System process connects to network (likely due to code injection or exploit) 39->110 112 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 39->112 114 Tries to steal Mail credentials (via file / registry access) 39->114 116 Tries to harvest and steal browser information (history, passwords, etc) 39->116 signatures15 process16 signatures17 126 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 43->126 128 Maps a DLL or memory area into another process 43->128 130 Checks if the current machine is a virtual machine (disk enumeration) 43->130 52 conhost.exe 46->52         started        132 Creates a thread in another existing process (thread injection) 48->132 54 conhost.exe 50->54         started        process18
Threat name:
Win32.Trojan.Bsymem
Status:
Malicious
First seen:
2023-02-08 01:25:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor collection persistence trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Detects Smokeloader packer
SmokeLoader
Unpacked files
SH256 hash:
5c215b927e55ecd01db0d6f4231a873085871503cff180f9476fdf46ea70327d
MD5 hash:
7ebf7d10757260b6666233d212869cd6
SHA1 hash:
80dbcb65bc104b60ceae19790c2eec58f1977746
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

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 5c215b927e55ecd01db0d6f4231a873085871503cff180f9476fdf46ea70327d

(this sample)

  
Delivery method
Distributed via web download

Comments