MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d39520f3eebb5fffe353dbed91958b9d61f70123bb9cfdd512da5177cfbbf2ed. 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: 17
| SHA256 hash: | d39520f3eebb5fffe353dbed91958b9d61f70123bb9cfdd512da5177cfbbf2ed |
|---|---|
| SHA3-384 hash: | 853abc748c5b7a43034c7079fd06caa033031618d8bd7184764fd20df838874db2a7473a728a787789cdb7c78db6a26b |
| SHA1 hash: | 4b1d86a64a987fbdb95dcc7dd5878282e759eab1 |
| MD5 hash: | 331fc21ec7998293459910328edd3dfc |
| humanhash: | hydrogen-mountain-robin-maryland |
| File name: | d39520f3eebb5fffe353dbed91958b9d61f70123bb9cf.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 84'992 bytes |
| First seen: | 2026-05-12 22:30:08 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 1536:C2X99wX8SAnNUfFjD6lYv3mas8rbYD/yim/1y1ejY6yFOBW:/X9KXwNCfiYv3mv8rbg/yjgf6yFOBW |
| Threatray | 3'627 similar samples on MalwareBazaar |
| TLSH | T1F483E192F3B182D4EAF2C031BC116B1BE7F47099591066DF671D69491F33922BA2C3E9 |
| TrID | 33.1% (.EXE) Win64 Executable (generic) (6522/11/2) 25.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.4% (.ICL) Windows Icons Library (generic) (2059/9) 10.3% (.EXE) OS/2 Executable (generic) (2029/13) 10.1% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT exe RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 130.12.182.209:1525 | https://threatfox.abuse.ch/ioc/1810947/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
143
Origin country :
NLVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
d39520f3eebb5fffe353dbed91958b9d61f70123bb9cfdd512da5177cfbbf2ed.exe
Verdict:
Suspicious activity
Analysis date:
2026-05-12 19:46:26 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRAT
Detection(s):
Verdict:
Malicious
Score:
99.1%
Tags:
asyncrat emotet
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
donut packed reconnaissance rozena
Verdict:
Malicious
Labled as:
ShellCode.Donut.Marte.4.Generic
Result
Gathering data
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-05-12T13:30:00Z UTC
Last seen:
2026-05-12T14:35:00Z UTC
Hits:
~10
Detections:
Backdoor.MSIL.Crysan.c Backdoor.MSIL.Crysan.b HEUR:Trojan.Win32.Generic HEUR:Backdoor.MSIL.SheetRat.gen Backdoor.MSIL.Crysan.e Trojan.Win32.Shellcode.sb HEUR:Trojan.Win64.Donut.a Backdoor.MSIL.Agent.sb HEUR:Backdoor.MSIL.Crysan.gen Backdoor.MSIL.Crysan.g Trojan.MSIL.Donut.sb Trojan.MSIL.Crypt.sb Backdoor.MSIL.Crysan.sb Backdoor.MSIL.Crysan.d
Verdict:
Malicious
Result
Threat name:
AsyncRAT, DonutLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains process injector
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Found malware configuration
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected DonutLoader
Behaviour
Behavior Graph:
Score:
96%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.13 Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.DONUTLOADER
Threat name:
Win64.Trojan.Donut
Status:
Malicious
First seen:
2026-05-12 19:46:32 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
20 of 36 (55.56%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
asyncrat
donutloader
Similar samples:
+ 3'617 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Score:
10/10
Tags:
family:asyncrat family:donutloader botnet:r loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Async RAT payload
Detects DonutLoader
Family: AsyncRat
Family: DonutLoader
Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound
Malware Config
C2 Extraction:
130.12.182.209:1525
Unpacked files
SH256 hash:
d39520f3eebb5fffe353dbed91958b9d61f70123bb9cfdd512da5177cfbbf2ed
MD5 hash:
331fc21ec7998293459910328edd3dfc
SHA1 hash:
4b1d86a64a987fbdb95dcc7dd5878282e759eab1
Detections:
triage_donut_ldr
Malware family:
DonutLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| 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: | Windows_Trojan_Donutloader_f40e3759 |
|---|---|
| Author: | Elastic Security |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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