MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 519f3ceedba4471f3d5178451c1007911145fb6eaf4e259a2c29b8e3483dabb1. 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


Intelligence 17 IOCs YARA 30 File information Comments

SHA256 hash: 519f3ceedba4471f3d5178451c1007911145fb6eaf4e259a2c29b8e3483dabb1
SHA3-384 hash: d3b335061ecd8a90d66e24e942b6c7184f686358ed1e776053fd6fc6ca5fda28c324adbbf54250a178add87a77bd04d6
SHA1 hash: 132ca59a5fb654c3d0794f92f05eaf43e3a7af94
MD5 hash: 9eb074e0713a33f7a6e499b0fbf2484c
humanhash: eight-snake-november-delaware
File name:file
Download: download sample
Signature AsyncRAT
File size:64'512 bytes
First seen:2024-10-17 15:39:03 UTC
Last seen:2025-02-05 07:28:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'075 x AgentTesla, 20'033 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 1536:JKh54k58k/GWZOKuvUYFgF4yY5biArLdcKgtiCrITGFx:JK/4k58kAKuvUYFgF4yY5bikcltiCOGx
Threatray 3'188 similar samples on MalwareBazaar
TLSH T1A653D7013BE88026F3BE8F7469F2618546F9F4AF2D12D95D1C8914CE0622B86D941BFF
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter jstrosch
Tags:.NET AsyncRAT exe MSIL


Avatar
jstrosch
Found at hxxps://raw.githubusercontent[.]com/cfedss/exe/main/Solara_Protect.exe by #subcrawl

Intelligence


File Origin
# of uploads :
17
# of downloads :
249
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-17 16:28:38 UTC
Tags:
asyncrat rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Powershell Autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat asyncrat cmd config-extracted hook keylogger lolbin lolbin razy reg samas schtasks vbnet
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1536227 Sample: file.exe Startdate: 17/10/2024 Architecture: WINDOWS Score: 100 34 anyone-blogging.gl.at.ply.gg 2->34 36 edge.ds-c7110-microsoft.global.dns.qwilted-cds.cqloud.com 2->36 38 default.qdr.p1.ds-c7110-microsoft.global.dns.qwilted-cds.cqloud.com 2->38 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 11 other signatures 2->48 8 Windows.exe 2 2->8         started        12 file.exe 7 2->12         started        signatures3 process4 dnsIp5 40 anyone-blogging.gl.at.ply.gg 147.185.221.20, 22284, 49712, 49778 SALSGIVERUS United States 8->40 50 Antivirus detection for dropped file 8->50 52 Multi AV Scanner detection for dropped file 8->52 54 Machine Learning detection for dropped file 8->54 30 C:\Users\user\AppData\Local\...\Windows.exe, PE32 12->30 dropped 32 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 12->32 dropped 15 cmd.exe 1 12->15         started        18 cmd.exe 1 12->18         started        file6 signatures7 process8 signatures9 56 Uses schtasks.exe or at.exe to add and modify task schedules 15->56 20 conhost.exe 15->20         started        22 schtasks.exe 1 15->22         started        24 Windows.exe 3 18->24         started        26 conhost.exe 18->26         started        28 timeout.exe 1 18->28         started        process10
Threat name:
ByteCode-MSIL.Backdoor.AsyncRat
Status:
Malicious
First seen:
2024-07-01 08:55:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:solarafake discovery rat
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
anyone-blogging.gl.at.ply.gg:22284
Verdict:
Malicious
Tags:
rat asyncrat
YARA:
malware_asyncrat asyncrat AsyncRat_Payload win_asyncrat_bytecodes win_asyncrat_unobfuscated JPCERTCC_Asyncrat Windows_Generic_Threat_ce98c4bc
Unpacked files
SH256 hash:
519f3ceedba4471f3d5178451c1007911145fb6eaf4e259a2c29b8e3483dabb1
MD5 hash:
9eb074e0713a33f7a6e499b0fbf2484c
SHA1 hash:
132ca59a5fb654c3d0794f92f05eaf43e3a7af94
Detections:
AsyncRAT win_asyncrat_w0
Please note that we are no longer able to provide a coverage score for Virus Total.

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:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:asyncrat_kingrat
Author:jeFF0Falltrades
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:Macos_Infostealer_Wallets_8e469ea0
Author:Elastic Security
Rule name:malware_asyncrat
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
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:Mal_WIN_AsyncRat_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
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: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_Generic_Threat_ce98c4bc
Author:Elastic Security
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Author:Elastic Security
Rule name:win_asyncrat_bytecodes
Author:Matthew @ Embee_Research
Description:Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
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.

Web download

AsyncRAT

Executable exe 519f3ceedba4471f3d5178451c1007911145fb6eaf4e259a2c29b8e3483dabb1

(this sample)

  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments