MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fb0d45b0e48b0cdda2dd8c5a152f3c7a375c18d63e588f6a217c9d47f7d5199d. 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: 15
| SHA256 hash: | fb0d45b0e48b0cdda2dd8c5a152f3c7a375c18d63e588f6a217c9d47f7d5199d |
|---|---|
| SHA3-384 hash: | f9d8b0ccdf733a1128a903640c7a263e290e24ea48fe9dd20766da124e69c08280f1c40027d230893377d19b5f1de9da |
| SHA1 hash: | 1723f8f80a10a486e4e6bb080dd202a54546b108 |
| MD5 hash: | 5e898023998ac0c862eb3bd9694675d4 |
| humanhash: | rugby-stream-chicken-carolina |
| File name: | Stub.exe |
| Download: | download sample |
| Signature | XWorm |
| File size: | 60'416 bytes |
| First seen: | 2023-09-13 20:34:44 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger) |
| ssdeep | 1536:NaagCTl3+ZVgvPgD79QZbIzaJh7PtzO022U:FgCF+ZKvPhZbICJ1zO07U |
| Threatray | 194 similar samples on MalwareBazaar |
| TLSH | T119437C1C77E98125E0FF6BB019F57252D739B2275903966F28C9029A1733ADCCD412FA |
| TrID | 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Reporter |  r3dbU7z |
| Tags: | AsyncRAT exe xworm |
Intelligence
File Origin
# of uploads :
1
# of downloads :
316
Origin country :
RUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Stub.exe
Verdict:
Malicious activity
Analysis date:
2023-09-13 20:35:25 UTC
Tags:
xworm remote
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XWorm
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Launching a process
Creating a process with a hidden window
Creating a process from a recently created file
Creating a window
Creating a file
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
anti-vm greyware keylogger lolbin packed replace schtasks
Verdict:
Malicious
Labled as:
Malware.SFL.Generic
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.XWorm
Status:
Malicious
First seen:
2023-09-13 20:35:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 184 additional samples on MalwareBazaar
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm persistence rat trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Xworm
Malware Config
C2 Extraction:
mo1010.duckdns.org:7000
Unpacked files
SH256 hash:
fb0d45b0e48b0cdda2dd8c5a152f3c7a375c18d63e588f6a217c9d47f7d5199d
MD5 hash:
5e898023998ac0c862eb3bd9694675d4
SHA1 hash:
1723f8f80a10a486e4e6bb080dd202a54546b108
Detections:
XWorm
Verdict:
Malicious
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: | BitcoinAddress |
|---|---|
| Author: | Didier Stevens (@DidierStevens) |
| Description: | Contains a valid Bitcoin address |
| 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: | win_delivery_check_g0 |
|---|
| 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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