MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 920bd5379685da509856bd7f3430beaa180cf9e684f13e922daa3f5c98e18e5d. 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



Threat unknown


Vendor detections: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 920bd5379685da509856bd7f3430beaa180cf9e684f13e922daa3f5c98e18e5d
SHA3-384 hash: 2ae0411a8c41d4d3ba32b6f6b13f742aeb742d81dea1c8c75afd618dce4084a98fc3a71321cef252ea273c91363c54cb
SHA1 hash: 35bc4941f3590ef9a5a5f7186547922627b9b3fc
MD5 hash: ce81ee3125634a80016338b085824bd8
humanhash: twelve-burger-spring-foxtrot
File name:SecuriteInfo.com.BackDoor.SiggenNET.71.1887.20790
Download: download sample
File size:368'640 bytes
First seen:2025-04-20 13:33:00 UTC
Last seen:2025-04-20 13:33:46 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 3072:+u3IL8QEN29dwEeOf8mpHFEy+iVFQjgWuaPeHhNz+Chk1GxVg9i+9DH30bHxKyf+:P3IL8QEg9dw+FhVMPef+CaXFx0bcysV
TLSH T15E74A52AA6C09737D07294F0D0AB16F5D721ED12E11A046BB84FFAC27873A4D5EE3719
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
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) (4504/4/1)
Magika pebin
dhash icon 161311133313974c (4 x AsyncRAT, 4 x CoinMiner, 1 x YoungLotus)
Reporter SecuriteInfoCom
Tags:exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
374
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.BackDoor.SiggenNET.71.1887.20790
Verdict:
Malicious activity
Analysis date:
2025-04-20 13:49:12 UTC
Tags:
evasion wmi-base64 susp-powershell auto-startup remote xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
bladabindi crysan njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process with a hidden window
Creating a file
Launching a process
Sending a custom TCP request
Creating a window
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Setting a global event handler for the keyboard
Creating a file in the mass storage device
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi obfuscated obfuscated reconnaissance vbnet
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1669793 Sample: SecuriteInfo.com.BackDoor.S... Startdate: 20/04/2025 Architecture: WINDOWS Score: 100 40 ip-api.com 2->40 42 fvia.id.vn 2->42 50 Suricata IDS alerts for network traffic 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 6 other signatures 2->56 8 SecuriteInfo.com.BackDoor.SiggenNET.71.1887.20790.exe 14 7 2->8         started        13 SecuriteInfo.com.BackDoor.SiggenNET.71.1887.20790.exe 2->13         started        15 SecuriteInfo.com.BackDoor.SiggenNET.71.1887.20790.exe 2->15         started        17 SecuriteInfo.com.BackDoor.SiggenNET.71.1887.20790.exe 2->17         started        signatures3 process4 dnsIp5 44 157.66.25.92, 4444, 49724 OCNNTTCommunicationsCorporationJP unknown 8->44 46 ip-api.com 208.95.112.1, 49712, 80 TUT-ASUS United States 8->46 48 fvia.id.vn 172.67.172.25, 443, 49722 CLOUDFLARENETUS United States 8->48 36 SecuriteInfo.com.B...T.71.1887.20790.exe, PE32 8->36 dropped 60 Protects its processes via BreakOnTermination flag 8->60 62 Bypasses PowerShell execution policy 8->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 8->64 70 2 other signatures 8->70 19 powershell.exe 22 8->19         started        22 powershell.exe 23 8->22         started        24 powershell.exe 23 8->24         started        26 schtasks.exe 8->26         started        38 SecuriteInfo.com.B....1887.20790.exe.log, CSV 13->38 dropped 66 Antivirus detection for dropped file 13->66 68 Multi AV Scanner detection for dropped file 13->68 file6 signatures7 process8 signatures9 58 Loading BitLocker PowerShell Module 19->58 28 conhost.exe 19->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        process10
Threat name:
Win32.Trojan.Zilla
Status:
Malicious
First seen:
2023-09-03 03:57:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Looks up external IP address via web service
Drops startup file
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
external_ip_lookup
YARA:
n/a
Unpacked files
SH256 hash:
920bd5379685da509856bd7f3430beaa180cf9e684f13e922daa3f5c98e18e5d
MD5 hash:
ce81ee3125634a80016338b085824bd8
SHA1 hash:
35bc4941f3590ef9a5a5f7186547922627b9b3fc
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__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
Author:ditekSHen
Description:Detects executables containing base64 encoded User Agent
Rule name:NETexecutableMicrosoft
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

Executable exe 920bd5379685da509856bd7f3430beaa180cf9e684f13e922daa3f5c98e18e5d

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments