MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62c6881f6c515dd63f73e1acfc5caa87385bf1e8d60f9bae199f13ca8efc29d9. 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



Zyklon


Vendor detections: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 62c6881f6c515dd63f73e1acfc5caa87385bf1e8d60f9bae199f13ca8efc29d9
SHA3-384 hash: e09d83f20790cf4776897e2dbfcebfd98221dc658ce6e10bc9be6f46ca8cf339323833b14aff32b0717a23f03735e8bc
SHA1 hash: f611c4b983ef0033b6281962f380193b98051f52
MD5 hash: 53970d681be247d09c9a281340f83f16
humanhash: maryland-mirror-music-texas
File name:file
Download: download sample
Signature Zyklon
File size:2'925'568 bytes
First seen:2023-10-13 16:10:47 UTC
Last seen:2023-10-16 08:21:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:KbciBxTDCXjDyshCnWx1UbGaiRXHKJMeahaqQfXl08giWS5d/kUWQckai+GV+0O6:KPTDCXjDyvWx1UbZ8aiBQmkxpkTZkayw
TLSH T196D5330B26EDC8D4D1588A3A2F22B4D0EB95BCAA25D4C30F7ADA7E1F48B577471024D7
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 2a52d23a3a2de4c3 (4 x Arechclient2, 4 x RustyStealer, 3 x AgentTesla)
Reporter andretavare5
Tags:exe Zyklon


Avatar
andretavare5
Sample downloaded from https://vk.com/doc52355237_666906578?hash=xWN9Tpo0d3LxuhfB8zFpxnxfFz3CezUqOAZuQPrfgGX&dl=R5FwAch1aUXje0d92jnyHHkHnEBYZXCwy7BIZrexi9z&api=1&no_preview=1#22

Intelligence


File Origin
# of uploads :
60
# of downloads :
338
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-10-13 16:11:17 UTC
Tags:
rat backdoor dcrat remote stealer

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

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Loading a suspicious library
Sending a custom TCP request
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Moving a file to the Program Files subdirectory
Creating a process with a hidden window
Replacing executable files
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed smartassembly smart_assembly
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Creates processes via WMI
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the user root directory
Found many strings related to Crypto-Wallets (likely being stolen)
Infects executable files (exe, dll, sys, html)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Dot net compiler compiles file from suspicious location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1325371 Sample: file.exe Startdate: 13/10/2023 Architecture: WINDOWS Score: 100 75 Snort IDS alert for network traffic 2->75 77 Antivirus detection for URL or domain 2->77 79 Antivirus detection for dropped file 2->79 81 9 other signatures 2->81 8 file.exe 3 2->8         started        11 oPAjBsnFEZ.exe 2->11         started        15 oPAjBsnFEZ.exe 2->15         started        17 18 other processes 2->17 process3 dnsIp4 59 C:\Users\user\AppData\...\BrowserDriver.exe, PE32 8->59 dropped 19 BrowserDriver.exe 8 37 8->19         started        73 77.91.124.41, 49714, 49715, 49716 ECOTEL-ASRU Russian Federation 11->73 61 C:\Users\user\Desktop\yDDfHpLz.log, PE32 11->61 dropped 63 C:\Users\user\Desktop\sKaFeJGK.log, PE32 11->63 dropped 65 C:\Users\user\Desktop\qInXJaBP.log, PE32 11->65 dropped 67 6 other malicious files 11->67 dropped 99 Found many strings related to Crypto-Wallets (likely being stolen) 11->99 101 Tries to harvest and steal browser information (history, passwords, etc) 11->101 103 Antivirus detection for dropped file 15->103 105 Machine Learning detection for dropped file 15->105 107 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 17->107 file5 signatures6 process7 file8 51 C:\Windows\addins\oPAjBsnFEZ.exe, PE32 19->51 dropped 53 C:\Windows\PLA\...\ShellExperienceHost.exe, PE32 19->53 dropped 55 C:\Users\user\Desktop\tsOeecGz.log, PE32 19->55 dropped 57 13 other malicious files 19->57 dropped 83 Antivirus detection for dropped file 19->83 85 Creates an undocumented autostart registry key 19->85 87 Machine Learning detection for dropped file 19->87 89 7 other signatures 19->89 23 cmd.exe 19->23         started        26 csc.exe 4 19->26         started        29 powershell.exe 23 19->29         started        31 9 other processes 19->31 signatures9 process10 file11 91 Uses ping.exe to sleep 23->91 93 Uses ping.exe to check the status of other devices and networks 23->93 33 conhost.exe 23->33         started        47 3 other processes 23->47 69 C:\Program Files (x86)\...\msedge.exe, PE32 26->69 dropped 95 Infects executable files (exe, dll, sys, html) 26->95 35 conhost.exe 26->35         started        37 cvtres.exe 1 26->37         started        97 Found many strings related to Crypto-Wallets (likely being stolen) 29->97 39 conhost.exe 29->39         started        71 C:\Windows\...\SecurityHealthSystray.exe, PE32 31->71 dropped 41 conhost.exe 31->41         started        43 cvtres.exe 1 31->43         started        45 conhost.exe 31->45         started        49 3 other processes 31->49 signatures12 process13
Threat name:
Win32.Trojan.Privateloader
Status:
Suspicious
First seen:
2023-10-13 16:11:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware stealer
Behaviour
Creates scheduled task(s)
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Modifies WinLogon for persistence
Process spawned unexpected child process
Unpacked files
SH256 hash:
b5686d40833db2bc401dbd06be249ac364fb6aac87079818b4578b274094a22c
MD5 hash:
35e6239688876be823e90af87cf34403
SHA1 hash:
cdfead3a2817520cd353b737af50ff131b617132
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
SH256 hash:
e3988a00941c00916c43a86fe696ec6eaec3c823d381bd5d69f937180e343de6
MD5 hash:
ca0f677fa4aa6e6064608e9b5039f07c
SHA1 hash:
d57f92f0c3e98f42f7398efdd0f9d7dcf720de71
SH256 hash:
26f827b348cbc71689aa56ec10455f955f3736c8136558fdc218b158b02a8d63
MD5 hash:
f10e0c7a125512ceda30858ea6a37c82
SHA1 hash:
b786c2d574b0e0c5220ba8c8dba3c1b09f97b02d
SH256 hash:
62c6881f6c515dd63f73e1acfc5caa87385bf1e8d60f9bae199f13ca8efc29d9
MD5 hash:
53970d681be247d09c9a281340f83f16
SHA1 hash:
f611c4b983ef0033b6281962f380193b98051f52
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

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