MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1490ef03c45cba23d552675e2d56bd1121e0c9708d8716edc4b4c773756f39e1. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1490ef03c45cba23d552675e2d56bd1121e0c9708d8716edc4b4c773756f39e1
SHA3-384 hash: 35357cbd3cf42c0e786e3af412fe4ec9cf23069cad76d2983273f4c37a8319d7955eb76d43813bddfebd1fb0747bad41
SHA1 hash: 5025bab39d10ef46a0df2b85bdd6fa628b716241
MD5 hash: 16315dbfb06cc44f61cd2308a3ef5561
humanhash: jersey-jersey-michigan-apart
File name:7oanineicw.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:44'032 bytes
First seen:2024-04-13 19:10:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:qPqk4Sqif4gjYBiDPbSAFFRPM94L6SOFheXwm9h:lkDT0QFa94L6SOFs7D
TLSH T166135B087BC44625D9FF6FF92A73B5020671B9035913E75E08E48A8A6B7BBC04E507E7
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 pmelson
Tags:AsyncRAT exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1490ef03c45cba23d552675e2d56bd1121e0c9708d8716edc4b4c773756f39e1.exe
Verdict:
Malicious activity
Analysis date:
2024-04-13 19:13:14 UTC
Tags:
xworm
Link:
https://app.any.run/tasks/84bd356f-de21-47cf-96b3-f17366ff14a6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
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
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 cmd explorer hook keylogger lolbin lolbin schtasks schtasks
Link:
https://www.filescan.io/uploads/661ad8c66e53ce7981ee76ba/reports/c4cfa5f4-ce78-4dbf-8bc7-4dba112f5776/overview
Verdict:
Malicious
Labled as:
Dacic.2251.Generic
Link:
https://www.hybrid-analysis.com/sample/1490ef03c45cba23d552675e2d56bd1121e0c9708d8716edc4b4c773756f39e1
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/3a2cddb3-69ae-441c-bf28-1d35d79393eb
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1425510
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
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
Sample uses string decryption to hide its real strings
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Schedule system process
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1425510 Sample: 7oanineicw.exe Startdate: 13/04/2024 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 14 other signatures 2->47 7 7oanineicw.exe 4 2->7         started        12 svchost.exe 2->12         started        14 svchost.exe 2->14         started        process3 dnsIp4 37 111.90.150.16, 5650 SHINJIRU-MY-AS-APShinjiruTechnologySdnBhdMY Malaysia 7->37 35 C:\Users\user\AppData\Roaming\svchost.exe, PE32 7->35 dropped 49 Protects its processes via BreakOnTermination flag 7->49 51 Bypasses PowerShell execution policy 7->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 61 2 other signatures 7->61 16 powershell.exe 22 7->16         started        19 powershell.exe 23 7->19         started        21 powershell.exe 23 7->21         started        23 2 other processes 7->23 55 Antivirus detection for dropped file 12->55 57 Multi AV Scanner detection for dropped file 12->57 59 Machine Learning detection for dropped file 12->59 file5 signatures6 process7 signatures8 39 Loading BitLocker PowerShell Module 16->39 25 conhost.exe 16->25         started        27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 23->33         started        process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1490ef03c45cba23d552675e2d56bd1121e0c9708d8716edc4b4c773756f39e1
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1490ef03c45cba23d552675e2d56bd1121e0c9708d8716edc4b4c773756f39e1/
Threat name:
ByteCode-MSIL.Backdoor.XWorm
Create hunting rule
Status:
Malicious
First seen:
2024-04-13 19:11:05 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=csio6a6els5chvksm5pc2vv5ceq6bslqrwdrn3oewtdxg5lphhqq._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/240413-xvxmmsgd54/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
111.90.150.16:5650
Unpacked files
SH256 hash:
1490ef03c45cba23d552675e2d56bd1121e0c9708d8716edc4b4c773756f39e1
MD5 hash:
16315dbfb06cc44f61cd2308a3ef5561
SHA1 hash:
5025bab39d10ef46a0df2b85bdd6fa628b716241
Detections:
XWorm
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/fb150c7c-0bfd-45bc-b087-96ae7a6a9eda/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1490ef03c45c/report/overview.html
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/1490ef03c45cba23d552675e2d56bd1121e0c9708d8716edc4b4c773756f39e1

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
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:Windows_Generic_Threat_b509dfc8
Create hunting rule
Author:Elastic Security
Rule name:win_xworm_bytestring
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm

File information

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

Web download

AsyncRAT

Executable exe 1490ef03c45cba23d552675e2d56bd1121e0c9708d8716edc4b4c773756f39e1

(this sample)

  
Link
https://www.virustotal.com/gui/file/1490ef03c45cba23d552675e2d56bd1121e0c9708d8716edc4b4c773756f39e1/detection
  
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