MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ffb0b255a8efd0e019244549fa98f0b6f6bda8184f51251ca45a0a50eab8a95. 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


XWorm


Vendor detections: 20


Intelligence 20 IOCs 1 YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ffb0b255a8efd0e019244549fa98f0b6f6bda8184f51251ca45a0a50eab8a95
SHA3-384 hash: 195478f520032084733e607d3cd58584326f4c5a40ba5b401ed844914045089eaa437dc4809e5e32a9ed6847909ad13b
SHA1 hash: a427d6a983e78d407f32dd0c43c9a1878b7b18c2
MD5 hash: cab8970b1117c21e9d257ea9bb83cfab
humanhash: victor-delaware-july-december
File name:Sülüman.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:43'008 bytes
First seen:2025-07-27 11:35:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:lmVZPr7HQyIVDhu8HL2FAoqAffmF+s9jP06SO+hEbZdfZRbh:Ar7HQnM82GAf+FL9L06SO+OTfB
Threatray 1'385 similar samples on MalwareBazaar
TLSH T157135C0877D04A25D6FEBFF959B3A2060B30F5175903E78E0CD4896B6B23BC08A417E6
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe xworm


Avatar
abuse_ch
XWorm C2:
3.126.37.18:10320

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
3.126.37.18:10320 https://threatfox.abuse.ch/ioc/1561156/

Intelligence

File Origin
# of uploads :
1
# of downloads :
48
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_1ffb0b255a8efd0e019244549fa98f0b6f6bda8184f51251ca45a0a50eab8a95.exe
Verdict:
Malicious activity
Analysis date:
2025-07-27 11:26:25 UTC
Tags:
evasion xworm crypto-regex
Link:
https://app.any.run/tasks/d933b7b3-2746-4f37-9702-9e40c5c6b99d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XWorm
Create hunting rule
Link:
https://www.capesandbox.com/analysis/17138/
Detection(s):
Win.Packed.njRAT-10002074-1
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.Msilzilla-10024501-0
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.Malware.Deepscan-10028866-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68860ce00b4775fb2131f767
Tags:
asyncrat virus micro remo
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 window
Connection attempt to an infection source
Setting a global event handler for the keyboard
Query of malicious DNS domain
Sending a TCP request to an infection source
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 fingerprint njrat njrat rat reconnaissance vbnet xworm
Link:
https://www.filescan.io/uploads/68860f3013488cfd44da4875/reports/4cc780e3-a9c3-47b5-b88c-0eb7eba0b6f6/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/1ffb0b255a8efd0e019244549fa98f0b6f6bda8184f51251ca45a0a50eab8a95
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c65db924-2536-42bf-9b00-a6aef8872384
Result
Threat name:
AsyncRAT, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1744929
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
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)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
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: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1744929 Sample: S#U00fcl#U00fcman.exe Startdate: 27/07/2025 Architecture: WINDOWS Score: 100 30 2.tcp.eu.ngrok.io 2->30 32 ip-api.com 2->32 38 Suricata IDS alerts for network traffic 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 13 other signatures 2->44 8 S#U00fcl#U00fcman.exe 15 6 2->8         started        signatures3 process4 dnsIp5 34 2.tcp.eu.ngrok.io 18.156.13.209, 10320, 49721, 49724 AMAZON-02US United States 8->34 36 ip-api.com 208.95.112.1, 49715, 80 TUT-ASUS United States 8->36 28 C:\Users\user\...\S#U00fcl#U00fcman.exe.log, CSV 8->28 dropped 46 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->46 48 Protects its processes via BreakOnTermination flag 8->48 50 Bypasses PowerShell execution policy 8->50 52 2 other signatures 8->52 13 powershell.exe 23 8->13         started        16 powershell.exe 23 8->16         started        18 cmd.exe 1 8->18         started        file6 signatures7 process8 signatures9 54 Loading BitLocker PowerShell Module 13->54 20 conhost.exe 13->20         started        22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        26 timeout.exe 1 18->26         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1ffb0b255a8efd0e019244549fa98f0b6f6bda8184f51251ca45a0a50eab8a95
Verdict:
njRat
YARA:
14 match(es)
Tags:
.Net Executable njRat PE (Portable Executable) RAT SOS: 0.23 Win 32 Exe x86
Link:
https://app.malva.re/file/cab8970b1117c21e9d257ea9bb83cfab
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1ffb0b255a8efd0e019244549fa98f0b6f6bda8184f51251ca45a0a50eab8a95/
Verdict:
Malicious
Threat:
Backdoor.MSIL.XWorm
Link:
https://tip.neiki.dev/file/1ffb0b255a8efd0e019244549fa98f0b6f6bda8184f51251ca45a0a50eab8a95
Threat name:
Win32.Spyware.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2025-07-27 07:31:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 35 (85.71%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d75qwjk2r36q4amsirkj7kmpbnxwxwubqt2reuokiwqkkdvlrkkq._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
1ffb0b255a8efd0e019244549fa98f0b6f6bda8184f51251ca45a0a50eab8a95
XWorm
5ff4fc5985d8d9877dd5b4abe081ee91681b187e99a466b802a8795fd9e500ab
XWorm
96bcd835d13f775f2e1157ba7f4030fabf7e60196b2f511bc67e80ee0e1b6cc0
XWorm
db9a5ad78c71de3317658d883c0ea179ea9e6336bb9421cdc3855ec441f10c65
XWorm
e562293ef244dcbc25eb64c8e0572bb8a29bff2d2aa7e23eb9988e47dc476e13
XWorm
ead2e4a51db0b94f949a6ade2897f78808a9751943ccaac2af4ab199d905743a
XWorm
error
XWorm
+ 1'375 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/250727-nqndqshq4s/
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
2.tcp.eu.ngrok.io:10320
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1 External_IP_Lookup
YARA:
EXE_RAT_XWorm_April2024 MALWARE_Win_XWorm win_mal_XWorm win_xworm_bytestring
Link:
https://app.threat.zone/submission/483611c3-ab8d-4bed-bae0-2f1119464234
Unpacked files
SH256 hash:
1ffb0b255a8efd0e019244549fa98f0b6f6bda8184f51251ca45a0a50eab8a95
MD5 hash:
cab8970b1117c21e9d257ea9bb83cfab
SHA1 hash:
a427d6a983e78d407f32dd0c43c9a1878b7b18c2
Detections:
win_xworm_w0
Create hunting rule
Link:
https://www.unpac.me/results/c7bff508-d9c2-4618-8767-27b60cb7ee35/
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/1ffb0b255a8efd0e019244549fa98f0b6f6bda8184f51251ca45a0a50eab8a95

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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: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:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Windows_Trojan_XWorm_b7d6eaa8
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
Rule name:win_xworm_w0
Create hunting rule
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Create hunting rule
Author:jeFF0Falltrades
Rule name:XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm_kingrat
Create hunting rule
Author:jeFF0Falltrades

File information

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

Web download

XWorm

Executable exe 1ffb0b255a8efd0e019244549fa98f0b6f6bda8184f51251ca45a0a50eab8a95

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3590741/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/17138/

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