MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9340551164eb763cd63db1f251b535dea497edfcf1eb46febcb642b1369f8595. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9340551164eb763cd63db1f251b535dea497edfcf1eb46febcb642b1369f8595
SHA3-384 hash: aba66f9ac2e0990ef6ccbaa643456f9dded636fdc9286e0e5207ca75520a197fafa025c31e9d75c299cca11871ee1fec
SHA1 hash: 9d90887ff8b7b160ffc7b764de8ee813db880a89
MD5 hash: 3a71554c4a1b0665bbe63c19e85b5182
humanhash: gee-oregon-magnesium-equal
File name:3a71554c4a1b0665bbe63c19e85b5182
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:66'560 bytes
First seen:2024-04-07 07:30:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:qF/wi65oGvnxZmEkbBAf3xAwK6s9EaOwD7NO03:4WoCmEkbBq3xa9EaOwD73
TLSH T1A0537D1837EA4526F1BF5FB168F57162DA3AF7232812965F18C5028A0B23E85CD507FB
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 zbetcheckin
Tags:32 AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
282
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9340551164eb763cd63db1f251b535dea497edfcf1eb46febcb642b1369f8595.exe
Verdict:
Malicious activity
Analysis date:
2024-04-07 07:36:01 UTC
Tags:
xworm
Link:
https://app.any.run/tasks/c84fb7f7-b61c-42e2-9acf-f212adac3466

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Launching a process
Creating a window
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd explorer lolbin lolbin schtasks schtasks
Link:
https://www.filescan.io/uploads/66124bb90b46b303692ddb07/reports/a7db5b55-6730-412f-aaa0-9034dd18b858/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/9340551164eb763cd63db1f251b535dea497edfcf1eb46febcb642b1369f8595
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/3e6cd812-56c4-4c7b-94d4-5e2ed90aef57
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1421509
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
Connects to many ports of the same IP (likely port scanning)
Found malware configuration
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
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1421509 Sample: mXjzFM3ydS.exe Startdate: 07/04/2024 Architecture: WINDOWS Score: 100 37 t-brave.gl.at.ply.gg 2->37 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 10 other signatures 2->49 8 mXjzFM3ydS.exe 4 2->8         started        13 OneDrive.exe 2->13         started        15 OneDrive.exe 2->15         started        signatures3 process4 dnsIp5 39 t-brave.gl.at.ply.gg 147.185.221.19, 18356 SALSGIVERUS United States 8->39 41 127.0.0.1 unknown unknown 8->41 35 C:\Users\user\AppData\Roaming\OneDrive.exe, PE32 8->35 dropped 51 Bypasses PowerShell execution policy 8->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 8->53 55 Adds a directory exclusion to Windows Defender 8->55 17 powershell.exe 23 8->17         started        19 powershell.exe 23 8->19         started        21 powershell.exe 23 8->21         started        23 2 other processes 8->23 57 Antivirus detection for dropped file 13->57 59 Multi AV Scanner detection for dropped file 13->59 61 Machine Learning detection for dropped file 13->61 file6 signatures7 process8 process9 25 conhost.exe 17->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       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9340551164eb763cd63db1f251b535dea497edfcf1eb46febcb642b1369f8595
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9340551164eb763cd63db1f251b535dea497edfcf1eb46febcb642b1369f8595/
Threat name:
ByteCode-MSIL.Trojan.XWorm
Create hunting rule
Status:
Malicious
First seen:
2024-04-06 17:33:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=snafkele5n3dzvr5whzfdnjv32sjp3p46hvun7v4wzblcnu7qwkq._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/240407-jcdj6aga21/
Behaviour
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
127.0.0.1:18356
t-brave.gl.at.ply.gg:18356
Unpacked files
SH256 hash:
9340551164eb763cd63db1f251b535dea497edfcf1eb46febcb642b1369f8595
MD5 hash:
3a71554c4a1b0665bbe63c19e85b5182
SHA1 hash:
9d90887ff8b7b160ffc7b764de8ee813db880a89
Detections:
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/948cf869-01eb-4d21-a462-be8e47487f99/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9340551164eb/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/9340551164eb763cd63db1f251b535dea497edfcf1eb46febcb642b1369f8595

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: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

File information

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

Web download

AsyncRAT

Executable exe 9340551164eb763cd63db1f251b535dea497edfcf1eb46febcb642b1369f8595

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2803511/
  
URLhaus
https://urlhaus.abuse.ch/url/2803522/

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


Avatar
zbet commented on 2024-04-07 07:30:37 UTC

url : hxxps://file-drop.cc/D/460925/BrawlB0t.exe