MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0bcad23f8cd5357b031ec1bda2949166df60bba7b0acc6f83c81167b44eefb0. 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: 18


Intelligence 18 IOCs YARA 17 File information Comments
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SHA256 hash: a0bcad23f8cd5357b031ec1bda2949166df60bba7b0acc6f83c81167b44eefb0
SHA3-384 hash: 879d821a858dedb80d9a0afba7bd9e985b5b1f5436906e9d452520d882c23aa33814a64640d4a0e0e758fedb7ff89b01
SHA1 hash: b720e1379d20582b424fa2fbc6f521dac4ac0a46
MD5 hash: e22d9db92ca50cd046d89a11165a19c6
humanhash: oklahoma-ten-wisconsin-neptune
File name:PC driver.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:81'408 bytes
First seen:2024-07-14 16:56:41 UTC
Last seen:2024-07-24 19:45:05 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 1536:MSZJfZwnKhM4m5M/U5aVzD6bfizWmNaMs56ypHmOEOBJ0iI:tJfyKG4m5M/iXbfBFTpGOE39
TLSH T10F838C6837E5451AE0FFEFB15CE57252CB39B7236803E11F24C9418A1B23A89CD516FA
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter Chainskilabs
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
352
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a0bcad23f8cd5357b031ec1bda2949166df60bba7b0acc6f83c81167b44eefb0.exe
Verdict:
Malicious activity
Analysis date:
2024-07-14 17:49:54 UTC
Tags:
evasion telegram xworm
Link:
https://app.any.run/tasks/283d25f6-326b-4384-83fa-4ccf0bb3c8df

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.njRAT-10002074-1
Create hunting rule

Win.Packed.Msilzilla-10002982-0
Create hunting rule

Win.Packed.Msilzilla-10019837-0
Create hunting rule

Win.Packed.Loveletter-10023052-0
Create hunting rule

Win.Dropper.Nanocore-10024427-0
Create hunting rule

Win.Packed.Loveletter-10024677-0
Create hunting rule

Win.Packed.Msilzilla-10024808-0
Create hunting rule

Win.Packed.Msilzilla-10026193-0
Create hunting rule

Win.Packed.Msilzilla-10026194-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
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ditekSHen.MALWARE.Win.XWorm.UNOFFICIAL
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Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66940361da3a746b9a73e4e8win7simulatehigh_evasion
Tags:
Banker Encryption Execution Network Stealth Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
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 in the %AppData% directory
Launching a process
Creating a window
Enabling the 'hidden' option for recently created files
Sending a custom TCP request
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:
anti-vm asyncrat backdoor cmd explorer fingerprint hook keylogger lolbin lolbin rat schtasks schtasks vbnet
Link:
https://www.filescan.io/uploads/6694035f15842045dc3c6950/reports/57e4cef3-51f3-4de0-96d5-5b5c9dd854af/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/a0bcad23f8cd5357b031ec1bda2949166df60bba7b0acc6f83c81167b44eefb0
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c97c46fd-05b9-4f14-9e4b-f596413e7d38
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1472961
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)
Drops PE files with benign system names
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 dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Schedule system process
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic
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
Uses the Telegram API (likely for C&C communication)
Yara detected Generic Downloader
Yara detected Telegram RAT
Yara detected Telegram Recon
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1472961 Sample: PC driver.exe Startdate: 14/07/2024 Architecture: WINDOWS Score: 100 38 api.telegram.org 2->38 40 ip-api.com 2->40 42 email-champions.gl.at.ply.gg 2->42 52 Snort IDS alert for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 60 26 other signatures 2->60 8 PC driver.exe 14 4 2->8         started        13 svchost.exe 2->13         started        15 svchost.exe 2->15         started        signatures3 58 Uses the Telegram API (likely for C&C communication) 38->58 process4 dnsIp5 44 ip-api.com 208.95.112.1, 49702, 80 TUT-ASUS United States 8->44 46 api.telegram.org 149.154.167.220, 443, 49709 TELEGRAMRU United Kingdom 8->46 48 email-champions.gl.at.ply.gg 147.185.221.19, 49710, 49711, 49712 SALSGIVERUS United States 8->48 36 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->36 dropped 62 Protects its processes via BreakOnTermination flag 8->62 64 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->64 66 Adds a directory exclusion to Windows Defender 8->66 17 powershell.exe 23 8->17         started        20 powershell.exe 23 8->20         started        22 powershell.exe 23 8->22         started        24 2 other processes 8->24 68 Antivirus detection for dropped file 13->68 70 Multi AV Scanner detection for dropped file 13->70 72 Machine Learning detection for dropped file 13->72 file6 signatures7 process8 signatures9 50 Loading BitLocker PowerShell Module 17->50 26 conhost.exe 17->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 24->34         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a0bcad23f8cd5357b031ec1bda2949166df60bba7b0acc6f83c81167b44eefb0
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a0bcad23f8cd5357b031ec1bda2949166df60bba7b0acc6f83c81167b44eefb0/
Threat name:
ByteCode-MSIL.Backdoor.XWorm
Create hunting rule
Status:
Malicious
First seen:
2024-07-14 16:57:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uc6k2i7yzvjvpmbr5qn5ukkjczw7mc52pmfmy34dzaiwpnco56ya._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution rat trojan
Link:
https://tria.ge/reports/240714-vf811syhjk/
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
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
email-champions.gl.at.ply.gg:5552
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/66fe2713-877b-4328-8944-3cea3a503f99
Unpacked files
SH256 hash:
a0bcad23f8cd5357b031ec1bda2949166df60bba7b0acc6f83c81167b44eefb0
MD5 hash:
e22d9db92ca50cd046d89a11165a19c6
SHA1 hash:
b720e1379d20582b424fa2fbc6f521dac4ac0a46
Detections:
XWorm
Create hunting rule
Link:
https://www.unpac.me/results/b25e0029-4b2b-44fc-a2cf-d6478917b7cc/
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/a0bcad23f8cd5357b031ec1bda2949166df60bba7b0acc6f83c81167b44eefb0

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:ByteCode_MSIL_Backdoor_AsyncRAT
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:EXE_RAT_XWorm_April2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_xworm_bytestring
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_simple_strings
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects simple strings present in unobfuscated xworm

File information

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

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

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