MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 73937a2cf666dac3c31b8b78f5e9fb803a5a7ff482d2f9bcf4cdf00b1b32f7ce. 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
| SHA256 hash: | 73937a2cf666dac3c31b8b78f5e9fb803a5a7ff482d2f9bcf4cdf00b1b32f7ce |
|---|---|
| SHA3-384 hash: | 54ab088a87dfa07f4c9a877f2a648e439dbc562ffa01c04d48a3e4338ba6383683572da9c365fbb5d8aee22bffbd122f |
| SHA1 hash: | 8a0f50dbab29828a29bc5bf27a0162d8ebbc7d7a |
| MD5 hash: | 22d3dfe23e6b0546bc3337845ceb1c91 |
| humanhash: | enemy-four-zebra-spring |
| File name: | svchost.exe |
| Download: | download sample |
| Signature | XWorm |
| File size: | 86'528 bytes |
| First seen: | 2025-07-27 19:35:23 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger) |
| ssdeep | 1536:GIYpiNiNwpjd8H2MJbNJFAx0TzkI6OsFRzr2:ng2IbNM6II6O6+ |
| Threatray | 1'225 similar samples on MalwareBazaar |
| TLSH | T17C837D283BEA4515E0FFAFB01DE57257C77AB6232903C05F64D5038B1A27A84CE916F9 |
| 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 |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 147.185.221.30:38215 | https://threatfox.abuse.ch/ioc/1561247/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
46
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CVVTESTER.exe
Verdict:
Malicious activity
Analysis date:
2025-07-27 19:10:12 UTC
Tags:
evasion uac blankgrabber pastebin auto-startup python stealer auto-reg xworm screenshot discord susp-powershell
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XWorm
Verdict:
Malicious
Score:
99.9%
Tags:
asyncrat dropper virus 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 file in the %AppData% directory
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm fingerprint obfuscated obfuscated obfuscated vbnet xworm
Verdict:
Malicious
Labled as:
Ransom.CryptConsole.Generic
Malware family:
XWorm
Verdict:
Malicious
Result
Threat name:
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 / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Check if machine is in data center or colocation facility
Connects to a pastebin service (likely for C&C)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Drops PE files with benign system names
Found malware configuration
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
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: Files With System Process Name In Unsuspected Locations
Sigma detected: Schedule system process
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
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 XWorm
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.97 Win 32 Exe x86
Verdict:
Malicious
Threat:
HEUR:Trojan.Win32
Threat name:
Win32.Ransomware.CryptConsole
Status:
Malicious
First seen:
2025-07-27 19:18:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 35 (85.71%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
xworm
Similar samples:
+ 1'215 additional samples on MalwareBazaar
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm rat trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Detect Xworm Payload
Xworm
Xworm family
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
Unpacked files
SH256 hash:
73937a2cf666dac3c31b8b78f5e9fb803a5a7ff482d2f9bcf4cdf00b1b32f7ce
MD5 hash:
22d3dfe23e6b0546bc3337845ceb1c91
SHA1 hash:
8a0f50dbab29828a29bc5bf27a0162d8ebbc7d7a
Detections:
win_xworm_w0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | 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: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| 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_w0 |
|---|---|
| Author: | jeFF0Falltrades |
| Description: | Detects win.xworm. |
| Rule name: | xworm |
|---|---|
| Author: | jeFF0Falltrades |
| 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.
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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