MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b15e57df1ab1fc902337d52f633267b802ccee6f37ba21ca065ae14380817081. 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: | b15e57df1ab1fc902337d52f633267b802ccee6f37ba21ca065ae14380817081 |
|---|---|
| SHA3-384 hash: | 92e0b8c7c6f70ad7ce564996b36b2726c7bbe878a2c910cc9fa98eb4e5c24ddbe468be1ae6681a04f24abfabd52ace13 |
| SHA1 hash: | f48b8d8255a9192675dde74ef7db412fcb528792 |
| MD5 hash: | ba88dca6e9d0a6f55a8addc30b02d988 |
| humanhash: | nuts-hydrogen-cold-autumn |
| File name: | PO#8329837372938383839238PDF.exe |
| Download: | download sample |
| Signature | XWorm |
| File size: | 181'760 bytes |
| First seen: | 2024-11-21 07:56:36 UTC |
| Last seen: | 2024-11-21 07:59:51 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 3072:jvXdvpzRm9npGJyJObSGOOs3KI/ZMQRoGaHn2J:jvXdvpzRmzm/bSGOOs3KI/GQI |
| Threatray | 3'357 similar samples on MalwareBazaar |
| TLSH | T109048317BAD789A3C244573AC6DA00181375E6837393D71BB98E2BE908077FA5E5E703 |
| 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 |  lowmal3 |
| Tags: | exe xworm |
Intelligence
File Origin
# of uploads :
2
# of downloads :
398
Origin country :
DEVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO#8329837372938383839238PDF.exe
Verdict:
Malicious activity
Analysis date:
2024-11-21 07:57:32 UTC
Tags:
xworm remote
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
99.1%
Tags:
autorun virus gates msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
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:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
net_reactor packed phishing
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Verdict:
Malicious
Result
Threat name:
XWorm
Detection:
malicious
Classification:
troj.spyw.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
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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)
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.Leonem
Status:
Malicious
First seen:
2024-11-21 02:36:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
16 of 24 (66.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
xworm
Similar samples:
+ 3'347 additional samples on MalwareBazaar
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
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Detect Xworm Payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Xworm
Xworm family
Malware Config
C2 Extraction:
nwamama.ydns.eu:3791
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b15e57df1ab1fc902337d52f633267b802ccee6f37ba21ca065ae14380817081
MD5 hash:
ba88dca6e9d0a6f55a8addc30b02d988
SHA1 hash:
f48b8d8255a9192675dde74ef7db412fcb528792
Detections:
PureCrypter_Stage1
Malware family:
XWorm
Verdict:
Malicious
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
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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