MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3878f3f1949dd54c9928e88702c4c6159eb759d22f87d84192265b9d6c762605. 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


AsyncRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 1 File information Comments
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SHA256 hash: 3878f3f1949dd54c9928e88702c4c6159eb759d22f87d84192265b9d6c762605
SHA3-384 hash: bbee11e330c1faa5bc4d4dbd7a4976112c645bd52a4a0254976c72efa3b851b42d392eb170f24e0b715ae6ea322ee4ed
SHA1 hash: 55f0c933d492d68bc2fb069df6b8b6ebc5109c5a
MD5 hash: 07accb45d4d1d56a14c53c0a2743bf35
humanhash: spring-snake-moon-football
File name:svchost.vbs
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:2'479'104 bytes
First seen:2025-08-19 05:21:43 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:8hhhhIhhhhIhhhhIhhhh4hhhhIhhhhIhhhhIhhhh3hhhhIhhhhIhhhhIhhhh4hhv:3FR
Threatray 1'765 similar samples on MalwareBazaar
TLSH T1D5B54A034EDCB4BE6589622CC91F449345DEBBA714A44CC42E6340A6074A7FA3F6FF69
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika txt
Reporter abuse_ch
Tags:AsyncRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
SE SE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/22043/
Detection(s):
SecuriteInfo.com.GT.VB.Honolulu.1.8AC35E3E.14312.10452.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68a40a63c2f5296a1a284072
Tags:
obfuscate asyncrat xtreme shell
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/68a40a6dba1f5bb1e60d42c6/reports/40d5c890-9f80-42bf-aad6-dc591d11ce0f/overview
Verdict:
Malicious
Labled as:
GT:VB.Honolulu.1
Link:
https://www.hybrid-analysis.com/sample/3878f3f1949dd54c9928e88702c4c6159eb759d22f87d84192265b9d6c762605
Result
Threat name:
AsyncRAT, Dacic, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1759869
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AsyncRAT
Yara detected Dacic
Yara detected DcRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1759869 Sample: svchost.vbs Startdate: 19/08/2025 Architecture: WINDOWS Score: 100 35 oficios2026.duckdns.org 2->35 37 ucc49b8652d16bfaffa516a60fa3.dl.dropboxusercontent.com 2->37 39 8 other IPs or domains 2->39 49 Suricata IDS alerts for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 57 16 other signatures 2->57 10 wscript.exe 1 2->10         started        signatures3 55 Uses dynamic DNS services 35->55 process4 signatures5 67 VBScript performs obfuscated calls to suspicious functions 10->67 69 Suspicious powershell command line found 10->69 71 Wscript starts Powershell (via cmd or directly) 10->71 73 2 other signatures 10->73 13 powershell.exe 7 10->13         started        process6 signatures7 75 Suspicious powershell command line found 13->75 77 Encrypted powershell cmdline option found 13->77 79 Bypasses PowerShell execution policy 13->79 81 Found suspicious powershell code related to unpacking or dynamic code loading 13->81 16 powershell.exe 14 17 13->16         started        20 conhost.exe 13->20         started        process8 dnsIp9 31 store-na-phx-1.gofile.io 94.139.32.29, 443, 49717 ENIX-ASFR Belgium 16->31 33 file-na-lax-1.gofile.io 203.10.97.133, 443, 49718 INTERNODE-ASInternodePtyLtdAU Australia 16->33 29 C:\Users\user\AppData\Local\Temp\veeoZ.ps1, Unicode 16->29 dropped 22 powershell.exe 11 16->22         started        file10 process11 dnsIp12 41 file-eu-par-2.gofile.io 202.165.69.3, 443, 49722 VPIS-APVADSManagedBusinessInternetServiceProviderMY Australia 22->41 43 store9.gofile.io 94.139.32.9, 443, 49721 ENIX-ASFR Belgium 22->43 45 2 other IPs or domains 22->45 59 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 22->59 61 Writes to foreign memory regions 22->61 63 Potential dropper URLs found in powershell memory 22->63 65 Injects a PE file into a foreign processes 22->65 26 MSBuild.exe 1 2 22->26         started        signatures13 process14 dnsIp15 47 oficios2026.duckdns.org 94.154.35.114, 1111, 49727 SELECTELRU Ukraine 26->47
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/3878f3f1949dd54c9928e88702c4c6159eb759d22f87d84192265b9d6c762605
Gathering data
Detection:
dcrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3878f3f1949dd54c9928e88702c4c6159eb759d22f87d84192265b9d6c762605/
Verdict:
Malicious
Threat:
Family.ASYNCRAT
Link:
https://tip.neiki.dev/file/3878f3f1949dd54c9928e88702c4c6159eb759d22f87d84192265b9d6c762605
Threat name:
Script-WScript.Spyware.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2025-08-18 19:00:15 UTC
File Type:
Text (VBS)
AV detection:
7 of 24 (29.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hb4ph4mutxkuzgji5cdqfrggcwplowosf6d5qqmseznz23dweycq._file
Verdict:
malicious
Label(s):
dcrat
Create hunting rule
Similar samples:
270f45d4dadced58852636cd091aa5ba0ca1e54f412ac17d8e807b2e1db1de5c
AsyncRAT
34d6e23994ad8b890e50be8487a4a405310f1616df5e23b1639e5fbc540deffc
AsyncRAT
4e62abb1e27644784576d415c4d4ab2d726611d87c91ae432991acc8f7a5ca7a
AsyncRAT
8241aace260f291c8b39eb96c220a6ef7603cd6fb09a0767f16fb218c34a7840
AsyncRAT
8f0613fe4583c969434cb928ed94baf45c505d39af6a4cc0217be08d2378bc1f
AsyncRAT
ace00c4aa0c763c44c1821d87307262587d88aa3446bbff35c8816eb4a340623
AsyncRAT
cf668403c5a5d408a2c655ea78f0cd85a9fdd02874fbe62ded2c63c60b9352d8
AsyncRAT
d7c2934b23d03ce5bd00a576024299eb70e3f60f5dab8bf65c1f7aacf419df9f
AsyncRAT
error
AsyncRAT
fa32ea24d1a6041be009ad0c59ce61f3d00e0588700c709c0222ecd8c38c3753
AsyncRAT
+ 1'755 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:11111 defense_evasion discovery execution rat
Link:
https://tria.ge/reports/250819-f3mc7sz1ds/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Blocklisted process makes network request
Modifies trusted root certificate store through registry
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
oficios2026.duckdns.org:1111
Dropper Extraction:
https://store-na-phx-1.gofile.io/download/direct/dfaca5c3-f89a-4550-8eed-3e9bd5716e4d/DllSkys.txt
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/3878f3f1949dd54c9928e88702c4c6159eb759d22f87d84192265b9d6c762605

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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Web download

AsyncRAT

Visual Basic Script (vbs) vbs 3878f3f1949dd54c9928e88702c4c6159eb759d22f87d84192265b9d6c762605

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3606180/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3509101/
Cape
Cape
https://www.capesandbox.com/analysis/22043/

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