MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 35a4b597dd06c336b600514f739a31247aefa536ac2ec0872dc5f6a27dbcbfb3. 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: 13
| SHA256 hash: | 35a4b597dd06c336b600514f739a31247aefa536ac2ec0872dc5f6a27dbcbfb3 |
|---|---|
| SHA3-384 hash: | 2c01b808864ec7552376d9bc12b8cf7ef357bdf4f6a46ecb1a3ea56d4926a67b74e12f9005ae5e703f9b0eb344d08f2f |
| SHA1 hash: | b82ffec87f0727b8789ddd4c82a723b19d200523 |
| MD5 hash: | adbe34fbde1896b554edfacb5dcbea26 |
| humanhash: | nitrogen-glucose-seventeen-kilo |
| File name: | Factura - FAT120250320.pdf(94KB).com |
| Download: | download sample |
| Signature | XWorm |
| File size: | 519'680 bytes |
| First seen: | 2025-03-19 04:58:24 UTC |
| Last seen: | 2025-03-19 08:43:47 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:emmO5pyJZghm45vQXy0kSHMgiKLX4mvwKAJP:emj5pyIhm45v8y0Fvw7 |
| Threatray | 1 similar samples on MalwareBazaar |
| TLSH | T1C4B4D0AC27F4C520FBFE5DB76872941E4235F419F527EB2E05C850EE2A627714A12327 |
| 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 |  threatcat_ch |
| Tags: | exe xworm |
Intelligence
File Origin
# of uploads :
3
# of downloads :
534
Origin country :
CHVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Factura - FAT120250320.pdf(94KB).com
Verdict:
No threats detected
Analysis date:
2025-03-19 05:00:20 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
agenttesla virus
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated packed vbnet
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:
Unknown
Result
Threat name:
DarkTortilla, 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
.NET source code contains very large array initializations
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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 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
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected XWorm
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-03-19 04:59:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
xworm
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm discovery rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
rency.ydns.eu:59012
wqo9.firewall-gateway.de:59012
wqo9.firewall-gateway.de:59012
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
35a4b597dd06c336b600514f739a31247aefa536ac2ec0872dc5f6a27dbcbfb3
MD5 hash:
adbe34fbde1896b554edfacb5dcbea26
SHA1 hash:
b82ffec87f0727b8789ddd4c82a723b19d200523
SH256 hash:
f9066402b17a68b3ac06aeb71ddb760a3f8134d8402ba966bcbd2bb1809f80c0
MD5 hash:
babe112a522daf931b0c1590b7fa233f
SHA1 hash:
41fb52ca035a682b2baf31376bf709e9d914054b
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: | 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.
Malspam
Delivery method
Distributed via e-mail attachment
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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