MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ff4fc5985d8d9877dd5b4abe081ee91681b187e99a466b802a8795fd9e500ab. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
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SHA256 hash: 5ff4fc5985d8d9877dd5b4abe081ee91681b187e99a466b802a8795fd9e500ab
SHA3-384 hash: 76c3f562feea2b2b27a8c49ade8d7ebc17ba621a8a4639cd0d947b2abff5b5f9fdee2afa278a02d50ff9fcdfd7f6c062
SHA1 hash: 13b140227e709d3a534d4158111c9256b14474b3
MD5 hash: 9efb0ca4f150666bedbc6ef91e0e6f4b
humanhash: august-oven-winner-bulldog
File name:Windows Security.exe
Download: download sample
Signature AsyncRAT
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File size:168'448 bytes
First seen:2024-09-05 02:39:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:lPXY78JEisUx4EyrQgX+GqwmFzviAlbyw7AD+wXPBX9to9:VI7wf4hrQUCF35yw7A6+h9
TLSH T15CF3AD3694C9F72BD118563DD922BAFA183CADDACC15845FFE813E5AB831DF064B2910
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 1b6ccc6c4c6c2986 (3 x AsyncRAT, 2 x BitRAT, 1 x CoinMiner)
Reporter adm1n_usa32
Tags:AsyncRAT exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
443
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Windows Security.exe
Verdict:
Malicious activity
Analysis date:
2024-09-05 02:38:32 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/04b13589-a3c1-4dcc-9cde-d9b0943a1d6e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2595.31308.5643.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d919caf3d7ccf99f9003e9
Tags:
Discovery Execution Network Stealth Dropper
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Creating a window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/5ff4fc5985d8d9877dd5b4abe081ee91681b187e99a466b802a8795fd9e500ab
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:
XWorm
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fac73833-9888-4903-b978-c8d7af4b4f93
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1504608
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Encrypted powershell cmdline option found
Found malware configuration
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1504608 Sample: Windows Security.exe Startdate: 05/09/2024 Architecture: WINDOWS Score: 100 53 ip-api.com 2->53 59 Multi AV Scanner detection for domain / URL 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 22 other signatures 2->65 9 Windows Security.exe 5 2->9         started        13 malware builder 2->13         started        15 OpenWith.exe 2->15         started        17 2 other processes 2->17 signatures3 process4 file5 49 C:\...\Windows Security Notification.exe, PE32 9->49 dropped 51 C:\Users\user\...\Windows Security.exe.log, CSV 9->51 dropped 75 Encrypted powershell cmdline option found 9->75 77 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->77 19 Windows Security Notification.exe 15 6 9->19         started        24 powershell.exe 23 9->24         started        signatures6 process7 dnsIp8 55 ip-api.com 208.95.112.1, 49704, 80 TUT-ASUS United States 19->55 57 127.0.0.1 unknown unknown 19->57 47 C:\Users\user\AppData\...\malware builder, PE32 19->47 dropped 67 Protects its processes via BreakOnTermination flag 19->67 69 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 19->69 71 Adds a directory exclusion to Windows Defender 19->71 26 powershell.exe 23 19->26         started        29 powershell.exe 23 19->29         started        31 powershell.exe 19->31         started        35 2 other processes 19->35 73 Loading BitLocker PowerShell Module 24->73 33 conhost.exe 24->33         started        file9 signatures10 process11 signatures12 79 Loading BitLocker PowerShell Module 26->79 37 conhost.exe 26->37         started        39 conhost.exe 29->39         started        41 conhost.exe 31->41         started        43 conhost.exe 35->43         started        45 conhost.exe 35->45         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5ff4fc5985d8d9877dd5b4abe081ee91681b187e99a466b802a8795fd9e500ab
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5ff4fc5985d8d9877dd5b4abe081ee91681b187e99a466b802a8795fd9e500ab/
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
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Status:
Malicious
First seen:
2024-09-05 02:40:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l72pywmf3dmyo7ovwsv6baposfubwgd6tgsgnoacvb4v7wpfacvq._file
Verdict:
malicious
Result
Malware family:
xworm
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Score:
  10/10
Tags:
family:xworm defense_evasion execution persistence rat trojan
Link:
https://tria.ge/reports/240905-c5aweasfnc/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Looks up external IP address via web service
Obfuscated Files or Information: Command Obfuscation
Checks computer location settings
Drops startup file
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
127.0.0.1:7000
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/89c6288b-e171-4a71-bf51-c67f41fb3441
Unpacked files
SH256 hash:
50738407f70e37470182a0da6b44e78eb9cd2be3f7c43e066ea85f92388c79ae
MD5 hash:
d59bcf447ab9a90d1c6e9701d85d5700
SHA1 hash:
c7eff0f1d56e71a601cff1e161879ea520886a32
Detections:
XWorm
Create hunting rule
win_xworm_w0
Create hunting rule
Link:
https://www.unpac.me/results/650dc6a1-35fd-4316-bf53-5227ef5a46c3/
Parent samples :
50738407f70e37470182a0da6b44e78eb9cd2be3f7c43e066ea85f92388c79ae
5ff4fc5985d8d9877dd5b4abe081ee91681b187e99a466b802a8795fd9e500ab
SH256 hash:
5ff4fc5985d8d9877dd5b4abe081ee91681b187e99a466b802a8795fd9e500ab
MD5 hash:
9efb0ca4f150666bedbc6ef91e0e6f4b
SHA1 hash:
13b140227e709d3a534d4158111c9256b14474b3
Link:
https://www.unpac.me/results/650dc6a1-35fd-4316-bf53-5227ef5a46c3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5ff4fc5985d8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5ff4fc5985d8d9877dd5b4abe081ee91681b187e99a466b802a8795fd9e500ab

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_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

anyrun
any.run
https://app.any.run/tasks/04b13589-a3c1-4dcc-9cde-d9b0943a1d6e

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
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high

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