MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4fcbe167dcd88e72b52ed43a3bc0b27d3a68f64efbd1f23e0113cd9f55a55f12. 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: | 4fcbe167dcd88e72b52ed43a3bc0b27d3a68f64efbd1f23e0113cd9f55a55f12 |
|---|---|
| SHA3-384 hash: | 7b7ff8a4b87ccbe0af0dd45eddf1eaa9ce86a5ca1957eb1063270698fe07485077365de0f66a8d2c435bc0f093313eba |
| SHA1 hash: | af8fec7cc9843306e9c604b2dae9498784f85ba0 |
| MD5 hash: | 7fa30f4968b9602164fba34674c62ea7 |
| humanhash: | wyoming-failed-aspen-yellow |
| File name: | PO_MARC_26PNG965.TXT |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 842'752 bytes |
| First seen: | 2026-04-12 18:56:10 UTC |
| Last seen: | 2026-04-27 07:56:59 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'878 x AgentTesla, 19'800 x Formbook, 12'305 x SnakeKeylogger) |
| ssdeep | 12288:f53qwhbgK+58uGqloDdiF69f9Nf8CbMriymhhv+k/uMIVuZL9:fNXW57GtJ265L/bMriymhhv3JIkZp |
| Threatray | 896 similar samples on MalwareBazaar |
| TLSH | T1C805F10626AECD03E17A5B7048F1D0B407B52E89E522D69B1FD97EEB7A36BD106C5303 |
| TrID | 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.6% (.EXE) Win64 Executable (generic) (6522/11/2) 4.5% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Magika | pebin |
| Reporter |  adrian__luca |
| Tags: | AsyncRAT exe |
Intelligence
File Origin
# of uploads :
3
# of downloads :
136
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
NETReactor
RoboSki
Details
NETReactor
decrypted strings
Malware family:
n/a
ID:
1
File name:
PO_MARC_26PNG965.TXT
Verdict:
Malicious activity
Analysis date:
2026-04-12 18:57:12 UTC
Tags:
susp-lnk 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:
autorun virus shell msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Connection attempt to an infection source
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context crypt masquerade net_reactor obfuscated packed packed vbnet
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-10T03:15:00Z UTC
Last seen:
2026-04-14T09:50:00Z UTC
Hits:
~1000
Detections:
Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb Trojan.MSIL.Agent.sb Backdoor.MSIL.XWorm.c PDM:Trojan.Win32.Generic Trojan.Win32.Agent.sb HEUR:Trojan-PSW.MSIL.Stealer.gen Backdoor.MSIL.XWorm.b Backdoor.MSIL.XWorm.a Backdoor.Agent.TCP.C&C
Malware family:
XWorm
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.59 Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.XWORM
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2026-04-10 09:36:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 36 (55.56%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
xworm
Similar samples:
+ 886 additional samples on MalwareBazaar
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm discovery execution rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
178.16.52.78:7777
Unpacked files
SH256 hash:
4fcbe167dcd88e72b52ed43a3bc0b27d3a68f64efbd1f23e0113cd9f55a55f12
MD5 hash:
7fa30f4968b9602164fba34674c62ea7
SHA1 hash:
af8fec7cc9843306e9c604b2dae9498784f85ba0
SH256 hash:
85f46e7ba5b25d383038518d144b70c52b556f30f946330bff61679cb26af9b9
MD5 hash:
76f48dfd43d9641916dde4def0d25f11
SHA1 hash:
e82c232765bc709a4f18312a0e13aeee39deb03c
Detections:
win_xworm_w0
XWorm
win_mal_XWorm
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
MALWARE_Win_AsyncRAT
MALWARE_Win_XWorm
SH256 hash:
0f4b28b9aa3d3ec65df88940dd3bce77736b81a83e05797d6a294b57bec96190
MD5 hash:
92d59e2e218dc4228d3074d02f86011e
SHA1 hash:
f23f9d4db281afca0127742d8a370c1a415c28de
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SH256 hash:
7d3aeb42939734fb6031c9a5df939e92a5430107e48adb9e9ba7449996d4b6ed
MD5 hash:
0d016d1826a8b3318a90bda23e8b5cb7
SHA1 hash:
0f7ea70b131217ec310a6df95b2771127c9ec41f
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| 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: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| Rule name: | win_xworm_w0 |
|---|---|
| Author: | jeFF0Falltrades |
| Description: | Detects win.xworm. |
| Rule name: | xworm |
|---|---|
| Author: | jeFF0Falltrades |
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
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