MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86f8e546815bd0b77b0fcc906b700caa5baed1568197378a20fa6b581a2ab709. 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



N-W0rm


Vendor detections: 13


Intelligence 13 IOCs YARA 5 File information Comments 1

SHA256 hash: 86f8e546815bd0b77b0fcc906b700caa5baed1568197378a20fa6b581a2ab709
SHA3-384 hash: 88f2570c7b312dfed77628c666c6b9a2560ff2b948cd0bedcd523983139a1aad68d7d582757abf2f049080150a1db0ff
SHA1 hash: e3566ba1659d1a7f554dd85de286ac0bdf71ae4a
MD5 hash: a19ca4c84df9e57d2c8f5543c4db9d52
humanhash: hydrogen-muppet-tango-island
File name:a19ca4c84df9e57d2c8f5543c4db9d52
Download: download sample
Signature N-W0rm
File size:330'240 bytes
First seen:2023-11-22 05:58:22 UTC
Last seen:2023-11-22 07:16:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:21pgEgRUcmvB2ePvoAVvHoKjBZZd036CS3Q:2EWxgAVvLBfds6CR
TLSH T156643B077656CE23C2C81336D0DF4200A7E3AA863727E70E7685179A5E473FE994E987
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)
Reporter zbetcheckin
Tags:32 exe N-W0rm

Intelligence


File Origin
# of uploads :
2
# of downloads :
324
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Changing a file
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Gathering data
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:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1346255 Sample: PUiJMuU66h.exe Startdate: 22/11/2023 Architecture: WINDOWS Score: 100 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus detection for URL or domain 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 7 other signatures 2->37 7 PUiJMuU66h.exe 16 26 2->7         started        11 PUiJMuU66h.exe 23 2->11         started        13 PUiJMuU66h.exe 2->13         started        process3 dnsIp4 27 45.148.244.112, 49706, 49707, 49708 VMAGE-ASRU Russian Federation 7->27 29 82.147.85.169, 49705, 49710, 49723 SIBTEL-ASRU Russian Federation 7->29 39 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 7->39 41 Adds a directory exclusion to Windows Defender 7->41 15 powershell.exe 21 7->15         started        17 powershell.exe 11->17         started        19 powershell.exe 13->19         started        signatures5 process6 process7 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started       
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2023-11-19 21:41:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
.NET Reactor proctector
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
86f8e546815bd0b77b0fcc906b700caa5baed1568197378a20fa6b581a2ab709
MD5 hash:
a19ca4c84df9e57d2c8f5543c4db9d52
SHA1 hash:
e3566ba1659d1a7f554dd85de286ac0bdf71ae4a
Detections:
INDICATOR_EXE_Packed_DotNetReactor
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_DotNetReactor
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
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

N-W0rm

Executable exe 86f8e546815bd0b77b0fcc906b700caa5baed1568197378a20fa6b581a2ab709

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-11-22 05:58:23 UTC

url : hxxp://82.147.85.169/server/blockhost.exe