MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 37883f9acd439e989fa665b51fe2b1b46e41a9551c6460c0bbf9c7adcd785023. 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: | 37883f9acd439e989fa665b51fe2b1b46e41a9551c6460c0bbf9c7adcd785023 |
|---|---|
| SHA3-384 hash: | fe4021961a5d93351b3cc46b0fd3c5adb97b955733e2d5c104672782f72dbd896c1db43c24ff275008fcf238c23b2713 |
| SHA1 hash: | d780f38939d5f9541315f1e6b29ba3e0c6fe7292 |
| MD5 hash: | 1e70a2fafdd1c76b81e6e5e384e93cb6 |
| humanhash: | montana-bakerloo-asparagus-video |
| File name: | jMUMLUo.exe |
| Download: | download sample |
| Signature | XWorm |
| File size: | 468'480 bytes |
| First seen: | 2025-05-07 07:12:20 UTC |
| Last seen: | 2025-05-07 07:25:35 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d161cb390917a6e62cc5df89fe71a6de (7 x DonutLoader, 1 x XWorm, 1 x QuasarRAT) |
| ssdeep | 12288:5JFV8FKStnVclYq4YpJr8SfHSWMwkahCqLN1a+wjb:hVnENYp9dfqwkaIR |
| TLSH | T1B5A4232BE197DEBAC292E7BDA6428412D831BDEA0D984130559E13341C8B65C1FEF7C7 |
| TrID | 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10522/11/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| Reporter |  adm1n_usa32 |
| Tags: | exe xworm |
Intelligence
File Origin
# of uploads :
2
# of downloads :
480
Origin country :
USVendor Threat Intelligence
Detection(s):
Verdict:
Clean
Score:
89.3%
Tags:
n/a
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug packed packed packer_detected
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Verdict:
Suspicious
Result
Threat name:
XWorm
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Drops PE files to the startup folder
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
Sample uses string decryption to hide its real strings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Score:
93%
Verdict:
Malware
File Type:
PE
Threat name:
Win64.Trojan.Amadey
Status:
Malicious
First seen:
2025-05-06 21:50:07 UTC
File Type:
PE+ (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
xworm
Score:
10/10
Tags:
family:donutloader family:xworm loader persistence rat trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
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
Detect Xworm Payload
Detects DonutLoader
DonutLoader
Donutloader family
Xworm
Xworm family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
37883f9acd439e989fa665b51fe2b1b46e41a9551c6460c0bbf9c7adcd785023
MD5 hash:
1e70a2fafdd1c76b81e6e5e384e93cb6
SHA1 hash:
d780f38939d5f9541315f1e6b29ba3e0c6fe7292
Malware family:
XWorm
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
XWorm
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: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| 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.
Web download
Delivery method
Distributed via web download
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 |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegSetValueExA |
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