MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 248d6e28ce68880892021793e9a21f85a5a9ae64f25ed12af5ddba413084adb9. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: 248d6e28ce68880892021793e9a21f85a5a9ae64f25ed12af5ddba413084adb9
SHA3-384 hash: 9ccfb0b41d02a02ee309cfc650617abab93886810c1df0026cdbeb01c400050a81cca6eb1f8a080bf8f113358f96996f
SHA1 hash: 3c78312ac8fc9f14554e165d45dadf0a43c992eb
MD5 hash: d1f0964dcbe578aa10dd02296dd5dd67
humanhash: sixteen-sierra-monkey-kitten
File name:file
Download: download sample
Signature AsyncRAT
File size:243'712 bytes
First seen:2022-11-02 03:36:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:HrcXfPM5UH+aeVxe/QUsTEI5wABulvU2K8:IX3QUea8IIMi
Threatray 3'830 similar samples on MalwareBazaar
TLSH T1BE34CE9A33F8AF50C56987360046258A4E3C8633BD43F765786425290D513FFBF6E8EA
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter jstrosch
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-02 03:40:39 UTC
Tags:
trojan rat asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AsyncRAT, PhoenixRAT
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Snort IDS alert for network traffic
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 AntiVM3
Yara detected AsyncRAT
Yara detected BrowserPasswordDump
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PhoenixRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 735598 Sample: file.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 16 other signatures 2->46 7 file.exe 1 2->7         started        11 Systndfdfnem.exe 2->11         started        process3 file4 30 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 7->30 dropped 48 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->48 13 powershell.exe 14 7->13         started        17 RegSvcs.exe 1 2 7->17         started        20 RegSvcs.exe 7->20         started        22 RegSvcs.exe 7->22         started        24 powershell.exe 1 11->24         started        signatures5 process6 dnsIp7 32 C:\Users\user\AppData\...\Systndfdfnem.exe, PE32 13->32 dropped 34 C:\Users\...\Systndfdfnem.exe:Zone.Identifier, ASCII 13->34 dropped 50 Drops PE files to the startup folder 13->50 52 Powershell drops PE file 13->52 26 conhost.exe 13->26         started        36 chinasea.duckdns.org 173.234.105.145, 49698, 49701, 5201 LEASEWEB-AS-APLEASEWEBAUSTRALIAPTYLIMITEDAU Australia 17->36 38 windowsupdatebg.s.llnwi.net 17->38 54 Tries to harvest and steal browser information (history, passwords, etc) 17->54 28 conhost.exe 24->28         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-02 03:37:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
26 of 41 (63.41%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
chinasea.duckdns.org:5201
Unpacked files
SH256 hash:
74454498b8042460e1e8e789ca985c32a74938fbdca7dd73ad285bf1e87532f4
MD5 hash:
2ae214770c754fb869d297e681c2bce5
SHA1 hash:
727e5023177f4ce19aff8ba92f97e832dee6e558
SH256 hash:
bfa12a2456d40d6c32a1f4e35bd43c81f6f67466234faed8fec19397d0e6d808
MD5 hash:
7a7927bac28be846b2fd2a5d10ba0676
SHA1 hash:
67a7b8616fc8e7aa7bb7a6e2521548e67a7caa2d
SH256 hash:
248d6e28ce68880892021793e9a21f85a5a9ae64f25ed12af5ddba413084adb9
MD5 hash:
d1f0964dcbe578aa10dd02296dd5dd67
SHA1 hash:
3c78312ac8fc9f14554e165d45dadf0a43c992eb
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
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.

Web download

AsyncRAT

Executable exe 248d6e28ce68880892021793e9a21f85a5a9ae64f25ed12af5ddba413084adb9

(this sample)

  
Delivery method
Distributed via web download

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