MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8cefc39ae73f71f7bd55919b53a2208bfcdd01c4fceb0bc110b09e0db8fc85c0. 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: | 8cefc39ae73f71f7bd55919b53a2208bfcdd01c4fceb0bc110b09e0db8fc85c0 |
|---|---|
| SHA3-384 hash: | 6942f6d4bca2b076523cdd9d0d0edeae7d77dbde879ac8070d4ffaa3989e2daab008fcd3d4dedb54d44d48a6dc837a5b |
| SHA1 hash: | 0fef33e4d59eb1346560a0f7ad3f46f0f52b2074 |
| MD5 hash: | 86ccb2d5d7e4ffd1fa9057ca4810ad63 |
| humanhash: | indigo-red-echo-delta |
| File name: | david.exe |
| Download: | download sample |
| Signature | XWorm |
| File size: | 12'288 bytes |
| First seen: | 2025-02-25 22:33:50 UTC |
| Last seen: | 2025-02-25 23:26:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 192:4voYOSGDBtMcuQC2Eo1jfGyG8x4/qdYPnQqq4UzbpGxOo:4QuGDTM3QChUyF8CwMQqSvpGxO |
| Threatray | 1 similar samples on MalwareBazaar |
| TLSH | T172420710A3FCC233E97E1BB9AD76A7814371F6422C27DE5E6888518E6D137011E653BA |
| TrID | 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10522/11/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Magika | pebin |
| Reporter |  jj3201504 |
| Tags: | exe xworm |
Intelligence
File Origin
# of uploads :
2
# of downloads :
730
Origin country :
SIVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
david.exe
Verdict:
Malicious activity
Analysis date:
2025-02-25 22:36:25 UTC
Tags:
purecrypter netreactor xworm
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.1%
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated obfuscated xworm
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Result
Threat name:
XWorm
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Downloads files with wrong headers with respect to MIME Content-Type
Drops VBS files to the startup folder
Injects a PE file into a foreign processes
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
Sample uses string decryption to hide its real strings
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected XWorm
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-02-25 15:30:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm discovery rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Detect Xworm Payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Xworm
Xworm family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8cefc39ae73f71f7bd55919b53a2208bfcdd01c4fceb0bc110b09e0db8fc85c0
MD5 hash:
86ccb2d5d7e4ffd1fa9057ca4810ad63
SHA1 hash:
0fef33e4d59eb1346560a0f7ad3f46f0f52b2074
Detections:
PureCrypter_Stage1
Malware family:
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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 (GUARD_CF) | high |
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