MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a5d1450c71befec5a5aeacaffc6dd7d6514de1693071af6c0b7ed1e2f9f540f. 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: 15


Intelligence 15 IOCs YARA 15 File information Comments
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SHA256 hash: 0a5d1450c71befec5a5aeacaffc6dd7d6514de1693071af6c0b7ed1e2f9f540f
SHA3-384 hash: 1e5efffc402c63d51a257428232345bf8e464f6f42e204eb53f49606472e57bc98765a22b6245fb12b57e5553897b43d
SHA1 hash: 8e2222953ede6e7d0523d62842508addcd6075b5
MD5 hash: ad83f326a8769775874c0fafed50380e
humanhash: social-river-september-kansas
File name:bTa0.exe
Download: download sample
Signature AsyncRAT
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File size:48'640 bytes
First seen:2024-01-18 20:07:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:XmnTILZ0Ci6+DiBhFxhLR5qiHQYb9geaOdWvEgK/JrZVc6KN:XmxuBjxXD/bq1nkJrZVclN
TLSH T105235C4037A8C136E6FD4BB4A9F2D1058375D2676D03CA5D6CC820AA2B53BC596136FE
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 pmelson
Tags:AsyncRAT DCRat exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
331
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/471562/
Detection(s):
Sanesecurity.Malware.29669.UNOFFICIAL
Create hunting rule

Win.Malware.Generickdz-9865912-0
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Win.Malware.Enigmaprotector-9874743-0
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Win.Malware.Enigmaprotector-9881027-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy evasive hacktool lolbin mpcmdrun msconfig njrat rat regedit replace
Link:
https://www.filescan.io/uploads/65a985245d1422b208156ca1/reports/3b152ae1-015d-4dbf-aedb-25c8d4371f52/overview
Verdict:
Malicious
Labled as:
Trojan.Agent
Link:
https://www.hybrid-analysis.com/sample/0a5d1450c71befec5a5aeacaffc6dd7d6514de1693071af6c0b7ed1e2f9f540f
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:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c5589d12-ea61-4397-a16c-ebf5135f9226
Result
Threat name:
AsyncRAT, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1377019
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Queries memory information (via WMI often done to detect virtual machines)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected DcRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1377019 Sample: bTa0.exe Startdate: 18/01/2024 Architecture: WINDOWS Score: 100 32 window10.duckdns.org 2->32 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 44 7 other signatures 2->44 8 GoogleDrive.exe 1 2 2->8         started        12 bTa0.exe 7 2->12         started        signatures3 42 Uses dynamic DNS services 32->42 process4 dnsIp5 34 window10.duckdns.org 172.111.136.105, 2016, 49700 VOXILITYGB United States 8->34 46 Antivirus detection for dropped file 8->46 48 Multi AV Scanner detection for dropped file 8->48 50 Machine Learning detection for dropped file 8->50 30 C:\Users\user\AppData\...behaviorgraphoogleDrive.exe, PE32 12->30 dropped 52 Queries memory information (via WMI often done to detect virtual machines) 12->52 15 cmd.exe 1 12->15         started        18 cmd.exe 1 12->18         started        file6 signatures7 process8 signatures9 54 Uses schtasks.exe or at.exe to add and modify task schedules 15->54 20 conhost.exe 15->20         started        22 schtasks.exe 1 15->22         started        24 GoogleDrive.exe 3 18->24         started        26 conhost.exe 18->26         started        28 timeout.exe 1 18->28         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0a5d1450c71befec5a5aeacaffc6dd7d6514de1693071af6c0b7ed1e2f9f540f
Detection:
dcrat
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Link:
https://mwdb.cert.pl/sample/0a5d1450c71befec5a5aeacaffc6dd7d6514de1693071af6c0b7ed1e2f9f540f/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-01-18 20:08:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bjoriughdpx6yws25lfp7rw5pvsrjxqwsmdrv5waw7wr4l47kqhq._file
Verdict:
malicious
Result
Malware family:
asyncrat
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Score:
  10/10
Tags:
family:asyncrat botnet:carnaval rat
Link:
https://tria.ge/reports/240118-ywjb3sgdfr/
Behaviour
Suspicious use of AdjustPrivilegeToken
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
window10.duckdns.org:2016
Unpacked files
SH256 hash:
0a5d1450c71befec5a5aeacaffc6dd7d6514de1693071af6c0b7ed1e2f9f540f
MD5 hash:
ad83f326a8769775874c0fafed50380e
SHA1 hash:
8e2222953ede6e7d0523d62842508addcd6075b5
Detections:
DCRat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DcRatBy
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_B64_Artifacts
Create hunting rule
Link:
https://www.unpac.me/results/fd5cf08f-54ff-41d8-a696-afe78f63b2f5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/0a5d1450c71befec5a5aeacaffc6dd7d6514de1693071af6c0b7ed1e2f9f540f

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_B64_Artifacts
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Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Create hunting rule
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Windows_Generic_Threat_ce98c4bc
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_DCRat_1aeea1ac
Create hunting rule
Author:Elastic Security
Rule name:win_asyncrat_unobfuscated
Create hunting rule
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

AsyncRAT

Executable exe 0a5d1450c71befec5a5aeacaffc6dd7d6514de1693071af6c0b7ed1e2f9f540f

(this sample)

  
Link
https://www.virustotal.com/gui/file/0a5d1450c71befec5a5aeacaffc6dd7d6514de1693071af6c0b7ed1e2f9f540f/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/471562/

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