MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a8fcd268b48c903e21500439d6754500d59d12d7d5d4e2c7ea737661fa8fe230. 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: | a8fcd268b48c903e21500439d6754500d59d12d7d5d4e2c7ea737661fa8fe230 |
|---|---|
| SHA3-384 hash: | 05f02647741bf9ea6e026b088c6c13ce13b2c40cf7120e7de3fba7963ed5c85bc8f96081e1bcd924740967587e46b6a8 |
| SHA1 hash: | d47be6340ecd780274b98dad463749eb2d9d49fd |
| MD5 hash: | fedb1274930bfa08a83480134a3f1412 |
| humanhash: | leopard-oxygen-oven-cold |
| File name: | fedb1274930bfa08a83480134a3f1412 |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 48'640 bytes |
| First seen: | 2024-08-04 19:25:27 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'669 x AgentTesla, 19'482 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 768:4q+s3pUtDILNCCa+DiptelDSN+iV08YbygeiH3XvEgK/JvZVc6KN:4q+AGtQOptKDs4zb1PnkJvZVclN |
| Threatray | 76 similar samples on MalwareBazaar |
| TLSH | T13B236D4037E88136F2BD4BB9ADF2E5458275E2672903CB596CC814EA1F13BC596036FE |
| TrID | 40.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 32.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 7.3% (.SCR) Windows screen saver (13097/50/3) 5.8% (.EXE) Win64 Executable (generic) (10523/12/4) 3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) |
| Reporter |  zbetcheckin |
| Tags: | 32 AsyncRAT exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
396
Origin country :
FRVendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
fedb1274930bfa08a83480134a3f1412
Verdict:
Malicious activity
Analysis date:
2024-08-04 19:27:37 UTC
Tags:
rat asyncrat remote
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Network Stealth
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy evasive hacktool lolbin mpcmdrun msconfig njrat rat regedit vbnet
Verdict:
Malicious
Labled as:
Trojan.Agent
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.
Verdict:
Malicious
Result
Threat name:
AsyncRAT, DcRat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected DcRat
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2024-08-04 19:26:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 66 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:default execution rat
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Command and Scripting Interpreter: PowerShell
Checks computer location settings
AsyncRat
Malware Config
C2 Extraction:
127.0.0.1:1024
20.199.84.103:1024
20.199.84.103:1024
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a8fcd268b48c903e21500439d6754500d59d12d7d5d4e2c7ea737661fa8fe230
MD5 hash:
fedb1274930bfa08a83480134a3f1412
SHA1 hash:
d47be6340ecd780274b98dad463749eb2d9d49fd
Detections:
DCRat
AsyncRAT
SUSP_NET_Large_Static_Array_In_Small_File_Jan24
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: | AcRat |
|---|---|
| Author: | Nikos 'n0t' Totosis |
| Description: | AcRat Payload (based on AsyncRat) |
| Rule name: | dcrat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_B64_Artifacts |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_DcRatBy |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing the string DcRatBy |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables attemping to enumerate video devices using WMI |
| 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: | Mal_WIN_AsyncRat_RAT_PE |
|---|---|
| Author: | Phatcharadol Thangplub |
| Description: | Use to detect AsyncRAT implant. |
| 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: | Windows_Generic_Threat_ce98c4bc |
|---|---|
| Author: | Elastic Security |
| Rule name: | Windows_Trojan_DCRat_1aeea1ac |
|---|---|
| Author: | Elastic Security |
| 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) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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