MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bce5c43d01102b83bf0cb0b85d09ea8a758262b98b04aeccff957aad024f7bd. 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: 18


Intelligence 18 IOCs 1 YARA 7 File information Comments

SHA256 hash: 4bce5c43d01102b83bf0cb0b85d09ea8a758262b98b04aeccff957aad024f7bd
SHA3-384 hash: 666468bd85c0d8206317e85cfaf93d2dd7341cb598b1de21c715f5507637edb87136a838d862466b8bf01430edd933ca
SHA1 hash: 93d594d3eb56892f74921470c589c43186118ec9
MD5 hash: 2cbf95b5b8b55e370847249971f3d7b6
humanhash: triple-item-london-lake
File name:123.exe
Download: download sample
Signature XWorm
File size:134'656 bytes
First seen:2025-08-22 15:40:18 UTC
Last seen:2025-08-22 17:29:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 3072:RauLVTnW5x8rPRESaIkGlzj+LULAR+d3tUHXSTlbi9j/B:RhZTnrRLpzsULARS9U
Threatray 205 similar samples on MalwareBazaar
TLSH T180D39F4BF74491A5C5791B37C8B74D5803F5D26ABE83EB5F01ECA2381AB32DC5A06364
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:
45.137.98.178:1234

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
45.137.98.178:1234 https://threatfox.abuse.ch/ioc/1572773/

Intelligence


File Origin
# of uploads :
3
# of downloads :
79
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
123.exe
Verdict:
Malicious activity
Analysis date:
2025-08-22 16:17:25 UTC
Tags:
auto-reg remote xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
emotet virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Setting a single autorun event
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 obfuscated obfuscated packed reconnaissance
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-22T13:09:00Z UTC
Last seen:
2025-08-22T13:09:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.MSIL.XWorm.gen Backdoor.MSIL.XWorm.c Trojan.Win32.Agent.sb Trojan.MSIL.Donut.sb Trojan-Dropper.Win32.Injector.sb Backdoor.MSIL.XWorm.b Backdoor.MSIL.Agent.sb Backdoor.Agent.TCP.C&C Trojan.Win64.DonutInjector.sb Trojan.Win32.Shellcode.sb Trojan.MSIL.Crypt.sb HEUR:Trojan.Win32.Generic HEUR:Backdoor.MSIL.XClient.b Trojan.Win64.Donut.sb Backdoor.MSIL.XWorm.a
Result
Threat name:
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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Changes memory attributes in foreign processes to executable or writable
Creates a thread in another existing process (thread injection)
Found malware configuration
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1763087 Sample: 123.exe Startdate: 22/08/2025 Architecture: WINDOWS Score: 100 28 fucktheworlds.duckdns.org 2->28 30 3zoz.duckdns.org 2->30 32 4 other IPs or domains 2->32 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 60 8 other signatures 2->60 8 123.exe 1 3 2->8         started        12 explorer.exe 80 122 2->12         started        signatures3 58 Uses dynamic DNS services 30->58 process4 dnsIp5 26 C:\Users\user\AppData\Local\...\123.exe.log, CSV 8->26 dropped 70 Changes memory attributes in foreign processes to executable or writable 8->70 72 Injects code into the Windows Explorer (explorer.exe) 8->72 74 Writes to foreign memory regions 8->74 80 2 other signatures 8->80 15 explorer.exe 10 4 8->15 injected 34 ax-0003.ax-dc-msedge.net 150.171.29.12, 443, 49694, 49710 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->34 36 fucktheworlds.duckdns.org 45.137.98.178, 1234, 49702 AS43260TR Lithuania 12->36 76 System process connects to network (likely due to code injection or exploit) 12->76 78 Query firmware table information (likely to detect VMs) 12->78 19 123.exe 12->19         started        21 WerFault.exe 12->21         started        file6 signatures7 process8 dnsIp9 38 3zoz.duckdns.org 20.151.73.4, 1234, 49691, 49692 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 15->38 40 System process connects to network (likely due to code injection or exploit) 15->40 42 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 15->42 23 123.exe 2 15->23         started        44 Changes memory attributes in foreign processes to executable or writable 19->44 46 Injects code into the Windows Explorer (explorer.exe) 19->46 48 Writes to foreign memory regions 19->48 50 2 other signatures 19->50 signatures10 process11 signatures12 62 Changes memory attributes in foreign processes to executable or writable 23->62 64 Injects code into the Windows Explorer (explorer.exe) 23->64 66 Writes to foreign memory regions 23->66 68 2 other signatures 23->68
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.45 Win 32 Exe x86
Threat name:
Win32.Trojan.Cerbu
Status:
Malicious
First seen:
2025-08-22 15:31:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:donutloader family:xworm adware defense_evasion loader persistence ransomware rat spyware trojan
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Adds Run key to start application
Enumerates connected drives
Boot or Logon Autostart Execution: Active Setup
Modifies trusted root certificate store through registry
Detect Xworm Payload
Detects DonutLoader
DonutLoader
Donutloader family
Xworm
Xworm family
Malware Config
C2 Extraction:
fucktheworlds.duckdns.org:1234
3zoz.duckdns.org:1234
Unpacked files
SH256 hash:
4bce5c43d01102b83bf0cb0b85d09ea8a758262b98b04aeccff957aad024f7bd
MD5 hash:
2cbf95b5b8b55e370847249971f3d7b6
SHA1 hash:
93d594d3eb56892f74921470c589c43186118ec9
SH256 hash:
16aaf22b7b878a67524a29d36a4f55a5283a2a5b0f009105b33b02df3026aefc
MD5 hash:
800fd80056f11e54a0f62a1f02f5a08b
SHA1 hash:
12d61907d7c3c563f49a61ecb6a862e7dc3dc55d
Malware family:
DonutLoader
Verdict:
Malicious
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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: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)

File information


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

Web download

XWorm

Executable exe 4bce5c43d01102b83bf0cb0b85d09ea8a758262b98b04aeccff957aad024f7bd

(this sample)

  
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

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