MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4ca7277273f9409593101a4e73211877696ae1bed8fddd28650fdd9877ffd6f0. 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: 18
| SHA256 hash: | 4ca7277273f9409593101a4e73211877696ae1bed8fddd28650fdd9877ffd6f0 |
|---|---|
| SHA3-384 hash: | 559b3a0332247ccad3196196b027a864b60937a12247cd6b1e6ad61c434954706ecd10fe9239421a27c277135036bf08 |
| SHA1 hash: | e0e16b8d5932434f0a18e1dbab1c102d818f9700 |
| MD5 hash: | 2d21173d46e5ed9795ee28f6900edfbc |
| humanhash: | triple-vegan-mirror-maine |
| File name: | r132-031Payment.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 378'368 bytes |
| First seen: | 2023-09-19 02:16:14 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 6144:Q1cJnjX2zt02wn7GHNX+oqUXMlC6OK8Yp2sSsXB0mfnUIbj:IcJnCz/wnKHVEUXMlCMWsSIvfVbj |
| Threatray | 3'095 similar samples on MalwareBazaar |
| TLSH | T10784BFC7F7808BA9DD2A6AB5E5374DB82317AC7E8D68530A64CC72552DF76670033823 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| File icon (PE): |  |
| dhash icon | 60f0dc9494d4f070 (1 x HawkEye, 1 x AsyncRAT) |
| Reporter |  FXOLabs |
| Tags: | AsyncRAT exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
314
Origin country :
BRVendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
r132-031Payment.exe
Verdict:
Malicious activity
Analysis date:
2023-09-19 02:18:22 UTC
Tags:
asyncrat rat remote
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Unauthorized injection to a recently created process
Restart of the analyzed sample
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Enabling autorun
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed smartassembly smart_assembly
Verdict:
Malicious
Labled as:
Bulz.Generic
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:
AVE_MARIA
Verdict:
Malicious
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Detection:
asyncrat
Threat name:
Win32.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2023-09-18 22:39:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
19 of 22 (86.36%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 3'085 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:default persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
bestsuccess.ddns.net:2442
Unpacked files
SH256 hash:
88baaa22ed6d9ac605cb4338d8784daa98e80d05505a14ff76bf059477547833
MD5 hash:
ae2a3dbf9ed74cb194aa1008a399b80c
SHA1 hash:
9498898f47f64fbf2d2cc003f714782c88ca46dd
SH256 hash:
44e5d3a0cb17677a8fe7827e3d56723380dd12612359125c61266b99ed2f1903
MD5 hash:
8d9d38976b83cb8938fffd7ae75f5f5b
SHA1 hash:
146249504fe6ccba72e848ca933cf0874ee85346
Detections:
AsyncRAT
win_asyncrat_w0
SH256 hash:
4ca7277273f9409593101a4e73211877696ae1bed8fddd28650fdd9877ffd6f0
MD5 hash:
2d21173d46e5ed9795ee28f6900edfbc
SHA1 hash:
e0e16b8d5932434f0a18e1dbab1c102d818f9700
Malware family:
AsyncRAT
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: | AsyncRat |
|---|---|
| Author: | kevoreilly, JPCERT/CC Incident Response Group |
| Description: | AsyncRat Payload |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | INDICATOR_EXE_Packed_SmartAssembly |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with SmartAssembly |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| Rule name: | malware_asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| Rule name: | MAL_AsnycRAT |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| Rule name: | MAL_AsyncRAT_Config_Decryption |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| Rule name: | msil_suspicious_use_of_strreverse |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| 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: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| 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: | SUSP_Reverse_Run_Key |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a Reversed Run Key |
| Rule name: | Windows_Trojan_Asyncrat_11a11ba1 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
| Rule name: | win_asyncrat_unobfuscated |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| Rule name: | win_asyncrat_w0 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
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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