MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 426fd8cbda5097fbd159476c10aaea55508712928bfcc765fe6b423b57b545f6. 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: 19


Intelligence 19 IOCs YARA 16 File information Comments

SHA256 hash: 426fd8cbda5097fbd159476c10aaea55508712928bfcc765fe6b423b57b545f6
SHA3-384 hash: de9e8bf7a9f3381b9f5db18ec3645e3ead5c7a53207c488cec82b3ec8f2ae587fa3fa2e6395bc34dcf5017c4375e6082
SHA1 hash: c6ce96d62b059b99ccc098a2c4f9af7fc9e9d42d
MD5 hash: bb69e269b18f61d0bd754d4e3234e648
humanhash: table-oranges-mango-rugby
File name:STXF-COMMOSA_COTIZACIÓN...2025.exe
Download: download sample
Signature AsyncRAT
File size:713'728 bytes
First seen:2025-12-01 11:46:58 UTC
Last seen:2025-12-01 14:39:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Y/HWUjNF1rfQ9vpF2cCCDPsvGMgqzumbxFIs:YF1rI9hNCAPsvH195
Threatray 4 similar samples on MalwareBazaar
TLSH T16CE4AD002BEF4F48E4FAAB386D3552114BF0F80EC736D69E6DD446DE2962BA08B51753
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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
Reporter lowmal3
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
106
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
STXF-COMMOSA_COTIZACIÓN...2025.exe
Verdict:
Malicious activity
Analysis date:
2025-12-01 11:48:07 UTC
Tags:
netreactor auto-startup remote xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
spawn remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process from a recently created file
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Creating a file in the mass storage device
Query of malicious DNS domain
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-01T08:06:00Z UTC
Last seen:
2025-12-03T10:18:00Z UTC
Hits:
~1000
Result
Threat name:
DarkTortilla, XWorm
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected XWorm
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.84 Win 32 Exe x86
Threat name:
Win32.Trojan.Mardom
Status:
Malicious
First seen:
2025-12-01 11:09:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery rat trojan
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
.NET Reactor proctector
Drops startup file
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
petro4prime.ydns.eu:5909
Unpacked files
SH256 hash:
426fd8cbda5097fbd159476c10aaea55508712928bfcc765fe6b423b57b545f6
MD5 hash:
bb69e269b18f61d0bd754d4e3234e648
SHA1 hash:
c6ce96d62b059b99ccc098a2c4f9af7fc9e9d42d
SH256 hash:
222b04688d1e2030192b188f099ecfd52bd7af6b986ac93e141a80f2766da879
MD5 hash:
c71e17acab65a4dd054c78c0481c7674
SHA1 hash:
63b0d563f15ab5b92c337ef37d741004623d0f62
SH256 hash:
2673d470353413edfb567ff7479395dc52824db6469520ebe8d91dbca2bccac2
MD5 hash:
e5be1fdba36d5032726313afe4c7dd63
SHA1 hash:
c65ebe77906cec3bcb5e805a327f1aa823be57ca
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Author:jeFF0Falltrades
Rule name:xworm_kingrat
Author:jeFF0Falltrades

File information


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

Malspam

AsyncRAT

Executable exe 426fd8cbda5097fbd159476c10aaea55508712928bfcc765fe6b423b57b545f6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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