MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9f4d88e9eeae7ffc241646d0233acb29bedbc9bc0c124b949567a894f8af6f54. 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: | 9f4d88e9eeae7ffc241646d0233acb29bedbc9bc0c124b949567a894f8af6f54 |
|---|---|
| SHA3-384 hash: | e5075afa1c80427088da0ce71c572d0a140113b614bbda518f09f2e4b830e965922d46071c83068cbe467769c29ae389 |
| SHA1 hash: | 28af69152d3eac34d9dc8fec0a1ceb2c63de429a |
| MD5 hash: | 42aea50814ad0d8edce593ca559d142c |
| humanhash: | kentucky-hotel-speaker-ohio |
| File name: | update_py-final-stage.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 497'664 bytes |
| First seen: | 2022-01-21 14:11:36 UTC |
| Last seen: | 2022-01-21 16:19:34 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 12288:vvFmp0OEFNrZYgG/9SaVdUN5ZulY8hCNKDCU+ZF6JtLaxOvMl:va8r2geNL |
| Threatray | 70 similar samples on MalwareBazaar |
| TLSH | T1B3B42B343EEA502AB273FF699AE4359BD95FBB633B03585D106103864B23A42DED143D |
| Reporter |  0x746f6d6669 |
| Tags: | AsyncRAT exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Launching a process
Creating a file
Creating a file in the %temp% directory
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a window
Creating a file in the %AppData% subdirectories
Searching for synchronization primitives
Launching the process to change the firewall settings
Unauthorized injection to a system process
Forced shutdown of a browser
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated
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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Unknown
Detection:
malicious
Classification:
bank.troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Enables a proxy for the internet explorer
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Installs new ROOT certificates
Machine Learning detection for sample
May check the online IP address of the machine
Modifies the context of a thread in another process (thread injection)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Sets a proxy for the internet explorer
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected MSIL Injector
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Convagent
Status:
Malicious
First seen:
2022-01-21 14:12:11 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
17 of 28 (60.71%)
Threat level:
5/5
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 60 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat collection evasion rat suricata
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Blocklisted process makes network request
Modifies Windows Firewall
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
niceone20.cn:7201
fjuj84hgoa84gn.xyz:7201
getupdated2021win2k.cn:7201
fjuj84hgoa84gn.xyz:7201
getupdated2021win2k.cn:7201
Unpacked files
SH256 hash:
9f4d88e9eeae7ffc241646d0233acb29bedbc9bc0c124b949567a894f8af6f54
MD5 hash:
42aea50814ad0d8edce593ca559d142c
SHA1 hash:
28af69152d3eac34d9dc8fec0a1ceb2c63de429a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
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: | INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing bas64 encoded gzip files |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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