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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f280cf140a3f472080888207026d6c0e9f5ca0665f2fc48d5d2e3ad31b115d94. 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


SilentNet


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f280cf140a3f472080888207026d6c0e9f5ca0665f2fc48d5d2e3ad31b115d94
SHA3-384 hash: 1d4dd84f056297642712df143d922bae50d4347e0d9a080a61e59ee814ce1ac46b66d2d438892824947f229c5092d8eb
SHA1 hash: 486a1cbbdb2ef217d40e8d34734ab87e6c0d443d
MD5 hash: c3376c2472d4dc756a6871db37237676
humanhash: xray-magnesium-eighteen-happy
File name:f280cf140a3f472080888207026d6c0e9f5ca0665f2fc48d5d2e3ad31b115d94.exe
Download: download sample
Signature SilentNet
Create hunting rule
File size:1'139'712 bytes
First seen:2026-09-23 04:09:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 73f461c771aef77ec43d53a0c54f0c8d (50 x SilentNet, 1 x CoinMiner)
ssdeep 12288:Tbs/m0E54jwaFXGc8lEBBBHGBKq2IZwD0vfqItNqdg:TbOVE5ifGPRZw4vf3fd
TLSH T124357C83E7A385D8C116C9B5534BF137F9627C8E4B157197ABC41E633A67BA4E22CB00
TrID 51.9% (.EXE) Win64 Executable (generic) (6522/11/2)
16.1% (.EXE) OS/2 Executable (generic) (2029/13)
15.9% (.EXE) Generic Win/DOS Executable (2002/3)
15.9% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter Tuxxin
Tags:exe SilentNet

Intelligence

File Origin
# of uploads :
1
# of downloads :
168
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
https://matcha-ext.com/downloads/matcha-exc.exe
Verdict:
No threats detected
Analysis date:
2026-06-14 11:27:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/129d2569-4e6f-4ac5-83e8-bad512044c92

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/88486/
Detection(s):
SecuriteInfo.com.Generic.Dacic.11262.26014CAF.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6acd86067378c656ff4d64f9
Tags:
virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Connection attempt to an infection source
Launching a process
Creating a file
Moving a recently created file
Deleting a recently created file
Creating a process from a recently created file
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Delayed reading of the file
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto loader reconnaissance rootkit
Link:
https://www.filescan.io/uploads/6ab35133797482abd1525680/reports/a4922cc9-6a5f-4fc2-8abb-04ce34461e88/overview
Verdict:
Malicious
Labled as:
Win64/Agent_AGeneric.MCC trojan
Link:
https://www.hybrid-analysis.com/sample/f280cf140a3f472080888207026d6c0e9f5ca0665f2fc48d5d2e3ad31b115d94
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-03-31T05:45:00Z UTC
Last seen:
2026-09-24T18:32:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/f280cf140a3f472080888207026d6c0e9f5ca0665f2fc48d5d2e3ad31b115d94/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f22456ca-ce8f-474a-aa74-8d33c8e916fb
Result
Threat name:
EtherHiding
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1976521
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious ZIP file
Inline Python code execution detected
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected EtherHiding
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1976521 Sample: ldFCvfaXCK.exe Startdate: 23/09/2026 Architecture: WINDOWS Score: 100 72 thisisafalsepositive.st 2->72 74 rpc-mainnet.matic.quiknode.pro 2->74 76 7 other IPs or domains 2->76 92 Suricata IDS alerts for network traffic 2->92 94 Antivirus detection for URL or domain 2->94 96 Antivirus / Scanner detection for submitted sample 2->96 98 5 other signatures 2->98 9 ldFCvfaXCK.exe 4 2->9         started        signatures3 process4 dnsIp5 78 rpc-mainnet.matic.quiknode.pro 132.145.155.63, 443, 49738, 49769 ORACLE-BMC-31898-OracleCorporationUS United States 9->78 80 polygon-rpc.com 198.178.224.35, 443, 49737, 49768 LATITUDE-SH-LatitudeshUS United States 9->80 100 Found direct / indirect Syscall (likely to bypass EDR) 9->100 102 Inline Python code execution detected 9->102 13 python.exe 9->13         started        16 python.exe 1111 9->16         started        20 python.exe 9->20         started        22 6 other processes 9->22 signatures6 process7 dnsIp8 54 510 other files (none is malicious) 13->54 dropped 38 2 other processes 13->38 62 151.101.0.223, 443, 49752, 49758 FASTLY-FastlyIncUS Canada 16->62 64 pypi.org 151.101.192.223, 443, 49751, 49757 FASTLY-FastlyIncUS Canada 16->64 44 C:\Users\user\AppData\Local\...\pip3.exe, PE32+ 16->44 dropped 56 391 other files (none is malicious) 16->56 dropped 82 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 16->82 24 conhost.exe 16->24         started        26 cmd.exe 1 16->26         started        46 C:\Users\user\AppData\...\tmpk0m17qw3.tmp, PE32+ 20->46 dropped 58 31 other files (none is malicious) 20->58 dropped 84 Tries to harvest and steal browser information (history, passwords, etc) 20->84 86 Writes to foreign memory regions 20->86 88 Allocates memory in foreign processes 20->88 90 Creates a thread in another existing process (thread injection) 20->90 28 cmd.exe 20->28         started        30 chrome.exe 20->30         started        66 thisisafalsepositive.st 185.178.208.191, 443, 49755, 49763 DDOS-GUARDRU Russia 22->66 68 dualstack.c.ssl.global.fastly.net 151.101.0.175, 443, 49744 FASTLY-FastlyIncUS Canada 22->68 70 2 other IPs or domains 22->70 48 C:\Users\user\AppData\Local\...\python.exe, PE32+ 22->48 dropped 50 C:\Users\user\AppData\Local\...\winsound.pyd, PE32+ 22->50 dropped 52 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 22->52 dropped 60 29 other files (none is malicious) 22->60 dropped 32 conhost.exe 22->32         started        34 conhost.exe 22->34         started        36 conhost.exe 22->36         started        40 3 other processes 22->40 file9 signatures10 process11 process12 42 conhost.exe 28->42         started       
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f280cf140a3f472080888207026d6c0e9f5ca0665f2fc48d5d2e3ad31b115d94
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/c3376c2472d4dc756a6871db37237676
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f280cf140a3f472080888207026d6c0e9f5ca0665f2fc48d5d2e3ad31b115d94/
Threat name:
Win64.Trojan.Convagent
Create hunting rule
Status:
Malicious
First seen:
2026-03-31 10:20:03 UTC
File Type:
PE+ (Exe)
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6kam6fakh5dsbaeiqidqe3lmb2pvzidgl4x4jdk5fy5nggyrlwka._file
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig defense_evasion discovery execution miner persistence privilege_escalation spyware stealer
Link:
https://tria.ge/reports/260923-erhp7sxcqf/
Behaviour
Checks processor information in registry
Kills process with taskkill
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
cURL User-Agent
Browser Information Discovery
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Modifies Windows Firewall
XMRig Miner payload
Family: xmrig
Unpacked files
SH256 hash:
f280cf140a3f472080888207026d6c0e9f5ca0665f2fc48d5d2e3ad31b115d94
MD5 hash:
c3376c2472d4dc756a6871db37237676
SHA1 hash:
486a1cbbdb2ef217d40e8d34734ab87e6c0d443d
Link:
https://www.unpac.me/results/cafb77ac-be0a-49a7-9b13-5f3c2c0d2bc5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f280cf140a3f472080888207026d6c0e9f5ca0665f2fc48d5d2e3ad31b115d94

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_detect_tls_callbacks
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Web download

SilentNet

Executable exe f280cf140a3f472080888207026d6c0e9f5ca0665f2fc48d5d2e3ad31b115d94

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/88486/

Comments