MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4c33d8a76c5d0e4efb561bdd6f8e252a8246f17cb352cd0148dcaf39705b9338. 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: 10
| SHA256 hash: | 4c33d8a76c5d0e4efb561bdd6f8e252a8246f17cb352cd0148dcaf39705b9338 |
|---|---|
| SHA3-384 hash: | 6577c72daf1405acd681d8872f9f08b3b02a10a9e34cd8dd3650505b87c1138fe57a7319c11b3fed57f39f014745fe15 |
| SHA1 hash: | acf65ae46ac2915563814df734ec9fe491c395e2 |
| MD5 hash: | fbe33427fa72c0b37aebbe5fbbb97667 |
| humanhash: | kilo-maryland-indigo-mango |
| File name: | 4C33D8A76C5D0E4EFB561BDD6F8E252A8246F17CB352C.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 345'600 bytes |
| First seen: | 2021-08-15 17:52:17 UTC |
| Last seen: | 2021-08-15 18:58:55 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger) |
| ssdeep | 6144:Dz7T5/9ezzYFrgAo14mFVoBw4mVH5dUTlsWimTkqto9hSWM:TB9WYFi15foqVZ2mmz |
| Threatray | 1'350 similar samples on MalwareBazaar |
| TLSH | T19F74A17E22D14AECC94070334E61B1530DE66FCB126A8EACFCCA7E972D5279424359DD |
| dhash icon | 492c465919d9ca6a (2 x AsyncRAT) |
| 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 |
|---|---|
| 13.76.94.179:5555 | https://threatfox.abuse.ch/ioc/188601/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4C33D8A76C5D0E4EFB561BDD6F8E252A8246F17CB352C.exe
Verdict:
Malicious activity
Analysis date:
2021-08-15 18:04:09 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Creating a process from a recently created file
Creating a window
Sending a UDP request
Adding an access-denied ACE
Connection attempt to an infection source
Unauthorized injection to a recently created process
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
MassLogger
Verdict:
Malicious
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Drops PE files with benign system names
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Defender Exclusion
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses dynamic DNS services
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Variadic
Status:
Malicious
First seen:
2021-03-09 11:50:36 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 1'340 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat rat spyware stealer suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
1593572468.ddns.net:5555
127.0.0.1:5555
127.0.0.1:5555
Unpacked files
SH256 hash:
d62d7f90143deb27efbbf5fb37a56249445ee44c4a3702967bad1546ce67ddc7
MD5 hash:
2dfae1363f212815713d73c37cc1e0aa
SHA1 hash:
606ecf722e1c796372fa177561ea4c7e793d56d9
SH256 hash:
b8041196bd0234d656c8f162eda39262542763560b1a0f984a546a11b8a259bc
MD5 hash:
01b66b6261c1c4ac6c17a6059994a0fa
SHA1 hash:
3881074a89691a6f3fddccfc0ac36d57862b21bf
SH256 hash:
4c33d8a76c5d0e4efb561bdd6f8e252a8246f17cb352cd0148dcaf39705b9338
MD5 hash:
fbe33427fa72c0b37aebbe5fbbb97667
SHA1 hash:
acf65ae46ac2915563814df734ec9fe491c395e2
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: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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