MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4f3f942dc9af90b938f1f5f4c123085564b6f6d2b563ab701295fe81556a86e1. 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
AsyncRAT
Vendor detections: 19
| SHA256 hash: | 4f3f942dc9af90b938f1f5f4c123085564b6f6d2b563ab701295fe81556a86e1 |
|---|---|
| SHA3-384 hash: | b1790bf6ff83e77588397389ff4021e4aad117a42146ec9a6ade8ecdbb4dfef5a9f3b5d76264921632272acd74d067a1 |
| SHA1 hash: | 170e6056dab2ed9a53acc668b9452ae1df3d5629 |
| MD5 hash: | e42e575474c33083d10a6681c4ca4c11 |
| humanhash: | massachusetts-lemon-xray-nuts |
| File name: | 828b6ffcb1dcd4ab7dba7ee8c636ae1e.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 61'952 bytes |
| First seen: | 2025-08-11 07:38:43 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 1536:yYFAcwkKjbhN/tQycnqjYa+b+djH8DVOYUll1:jAjxj3FQpqb+b+dqO9lL |
| Threatray | 1'572 similar samples on MalwareBazaar |
| TLSH | T116537D4C77E18225D1FF9FF418B33216CA78E3539813D68F28D948862727A8D8E11BE5 |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  skocherhan |
| Tags: | AsyncRAT exe |
skocherhan
https://encrypted-bytes.com/download/2902657bbf48488dadf035e185c7a60c68b155bd907aad8c6096f4e71fe34d4f/73f50d4b0e1b38d98626582c65d9ccd7/95b5d5e444d1b1a0ad983a7952021cc77e2e4729e26238ce6e2e929a0e1bd245f3fe7a587a67c8c8aef04c10637e851b00ea2c29b34fb97de64c470edac46b2acbe7c15b142eb0d629933aaa0cfbd861/35ebf45c74a477161c56929009ea1caaIntelligence
File Origin
# of uploads :
1
# of downloads :
74
Origin country :
GBVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
downloader.exe
Verdict:
Malicious activity
Analysis date:
2025-08-09 20:37:42 UTC
Tags:
loader auto-reg auto-startup xworm
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XWorm
Verdict:
Malicious
Score:
99.1%
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a file
Launching a process
Creating a process with a hidden window
Creating a window
Connection attempt
Sending a custom TCP request
Creating a process from a recently created file
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:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm base64 config-extracted fingerprint lolbin obfuscated obfuscated reconnaissance schtasks vbnet xworm
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Malware family:
XWorm
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.95 Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.XWORM
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2025-08-09 20:58:02 UTC
AV detection:
22 of 24 (91.67%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
xworm
Similar samples:
+ 1'562 additional samples on MalwareBazaar
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm execution persistence rat trojan
Behaviour
Scheduled Task/Job: Scheduled Task
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
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
5.175.234.28:7000
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1
YARA:
MALWARE_Win_XWorm win_mal_XWorm win_xworm_bytestring
Unpacked files
SH256 hash:
4f3f942dc9af90b938f1f5f4c123085564b6f6d2b563ab701295fe81556a86e1
MD5 hash:
e42e575474c33083d10a6681c4ca4c11
SHA1 hash:
170e6056dab2ed9a53acc668b9452ae1df3d5629
Detections:
win_xworm_w0
XWorm
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: | ByteCode_MSIL_Backdoor_AsyncRAT |
|---|---|
| Author: | ReversingLabs |
| Description: | Yara rule that detects AsyncRAT backdoor. |
| Rule name: | Detect_PowerShell_Obfuscation |
|---|---|
| Author: | daniyyell |
| Description: | Detects obfuscated PowerShell commands commonly used in malicious scripts. |
| 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: | 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: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | win_xworm_bytestring |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects bytestring present in unobfuscated xworm |
| Rule name: | win_xworm_w0 |
|---|---|
| Author: | jeFF0Falltrades |
| Description: | Detects win.xworm. |
| Rule name: | xworm |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | XWorm |
|---|---|
| Author: | ditekSHen |
| Description: | Detects XWorm |
| Rule name: | xworm_kingrat |
|---|---|
| Author: | jeFF0Falltrades |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
e1ade6d7043ee28919f98e283226746b
Dropped by
MD5 e1ade6d7043ee28919f98e283226746b
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 (HIGH_ENTROPY_VA) | high |
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