MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc7d48593d1e5e0d3d78e66ae0e88cba54e4d52d0d95f1c8f69ba32986246413. 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: 19


Intelligence 19 IOCs 1 YARA 24 File information Comments

SHA256 hash: bc7d48593d1e5e0d3d78e66ae0e88cba54e4d52d0d95f1c8f69ba32986246413
SHA3-384 hash: 4ef608c1c31d526b8d54fe7abd7c6e8e17f3aba86ec091015846e477778a4dcbc0c8b2f824f7bd292336286474ed6d13
SHA1 hash: aee8ea3ac4ace355d896806f1554c3621a840c5b
MD5 hash: 7b1df2af40bd0e2b8add636191a3ac9c
humanhash: nuts-winter-utah-delta
File name:PO37025.exe
Download: download sample
Signature XWorm
File size:604'672 bytes
First seen:2025-10-13 23:55:10 UTC
Last seen:2025-11-06 10:23:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'601 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:AgO7xKqXzX/eSZqrH2FaN9wPTpSLF/2ukb68hGUzaId:q1pgz2F69uT0LJ2uWf
Threatray 151 similar samples on MalwareBazaar
TLSH T1F6D40218230AEB12CDA557BD1AB0E278177C5EEEA901E316CFD97DEF7926B054C44283
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 abuse_ch
Tags:exe xworm


Avatar
abuse_ch
XWorm C2:
203.202.232.5:3310

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
203.202.232.5:3310 https://threatfox.abuse.ch/ioc/1613225/

Intelligence


File Origin
# of uploads :
2
# of downloads :
210
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO37025.exe
Verdict:
Malicious activity
Analysis date:
2025-10-13 23:55:49 UTC
Tags:
evasion auto-startup xworm crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
spawn shell micro
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed phishing vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-13T13:12:00Z UTC
Last seen:
2025-10-14T03:57:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Spy.MSIL.Noon.gen Backdoor.Agent.TCP.C&C Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb Backdoor.MSIL.XWorm.b Trojan.Win32.Agent.sb PDM:Trojan.Win32.Tasker.cust Backdoor.MSIL.XWorm.a Trojan.MSIL.Crypt.sb PDM:Trojan.Win32.Generic
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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: 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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1794424 Sample: PO37025.exe Startdate: 14/10/2025 Architecture: WINDOWS Score: 100 71 ip-api.com 2->71 77 Suricata IDS alerts for network traffic 2->77 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 11 other signatures 2->83 9 PO37025.exe 4 2->9         started        13 PO37025.exe 2->13         started        15 PO37025.exe 2->15         started        17 4 other processes 2->17 signatures3 process4 file5 69 C:\Users\user\AppData\...\PO37025.exe.log, ASCII 9->69 dropped 95 Bypasses PowerShell execution policy 9->95 97 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->97 99 Uses schtasks.exe or at.exe to add and modify task schedules 9->99 19 PO37025.exe 16 8 9->19         started        24 powershell.exe 23 9->24         started        101 Adds a directory exclusion to Windows Defender 13->101 103 Injects a PE file into a foreign processes 13->103 26 powershell.exe 13->26         started        28 PO37025.exe 13->28         started        30 powershell.exe 15->30         started        32 PO37025.exe 15->32         started        105 Multi AV Scanner detection for dropped file 17->105 34 powershell.exe 17->34         started        36 powershell.exe 17->36         started        38 4 other processes 17->38 signatures6 process7 dnsIp8 73 203.202.232.5, 3310 ACCESSSMART-ASAccessSmartSolutionsIndiaPvtLtdIN India 19->73 75 ip-api.com 208.95.112.1, 49715, 80 TUT-ASUS United States 19->75 67 C:\Users\user\AppData\Roaming\PO37025.exe, PE32 19->67 dropped 85 Protects its processes via BreakOnTermination flag 19->85 87 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 19->87 89 Adds a directory exclusion to Windows Defender 19->89 40 powershell.exe 23 19->40         started        43 powershell.exe 23 19->43         started        45 powershell.exe 19->45         started        47 schtasks.exe 19->47         started        91 Loading BitLocker PowerShell Module 24->91 49 conhost.exe 24->49         started        51 conhost.exe 26->51         started        53 conhost.exe 30->53         started        55 conhost.exe 34->55         started        57 conhost.exe 36->57         started        file9 signatures10 process11 signatures12 93 Loading BitLocker PowerShell Module 40->93 59 conhost.exe 40->59         started        61 conhost.exe 43->61         started        63 conhost.exe 45->63         started        65 conhost.exe 47->65         started        process13
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.41 Win 32 Exe x86
Threat name:
Win32.Backdoor.XWorm
Status:
Malicious
First seen:
2025-10-13 16:53:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery execution persistence rat trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
203.202.232.5:3310
Unpacked files
SH256 hash:
bc7d48593d1e5e0d3d78e66ae0e88cba54e4d52d0d95f1c8f69ba32986246413
MD5 hash:
7b1df2af40bd0e2b8add636191a3ac9c
SHA1 hash:
aee8ea3ac4ace355d896806f1554c3621a840c5b
SH256 hash:
acabbd748ef030d1cd8f80863e568d315c50b1c6023139e096e0a7f6578bd06b
MD5 hash:
034c7c6f048f3ede79852e7aaa3476d2
SHA1 hash:
0fdce89094d2a7f2ea76664afc723a70f9546f64
Detections:
win_xworm_a0 win_xworm_w0 XWorm MAL_RANSOM_COVID19_Apr20_1 win_xworm_bytestring win_xworm_simple_strings INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_AsyncRAT MALWARE_Win_XWorm
SH256 hash:
93be6cb324caa34f47b32bb4ee4a6d4f47fa84cdee804e32ad1b66447e4bf3ed
MD5 hash:
18cc288f956372f93c3c308e3303fb91
SHA1 hash:
12344a6d53937258df3d48066251b6709ef2667a
SH256 hash:
0fa5abe5ed8cda424e270946917fa770d55f3a330933aa20e0ed581714dce8b6
MD5 hash:
5439c95edd40ed6e6e501535951b4063
SHA1 hash:
f1e45124a32adfd12202ff5c11c06197094fecd6
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
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:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:EXE_RAT_XWorm_April2024
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
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:MAL_RANSOM_COVID19_Apr20_1
Author:Florian Roth (Nextron Systems)
Description:Detects ransomware distributed in COVID-19 theme
Reference:https://unit42.paloaltonetworks.com/covid-19-themed-cyber-attacks-target-government-and-medical-organizations/
Rule name:MAL_RANSOM_COVID19_Apr20_1_RID2ECC
Author:Florian Roth
Description:Detects ransomware distributed in COVID-19 theme
Reference:https://unit42.paloaltonetworks.com/covid-19-themed-cyber-attacks-target-government-and-medical-organizations/
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_bytestring
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_simple_strings
Author:Matthew @ Embee_Research
Description:Detects simple strings present in unobfuscated xworm
Rule name:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:XWorm
Author:ditekSHen
Description:Detects XWorm
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.

Comments