MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61be8cdec38d60d5a8a64fd0f891656f0410825d7c1181d7f40eb6aaf56d3521. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 61be8cdec38d60d5a8a64fd0f891656f0410825d7c1181d7f40eb6aaf56d3521
SHA3-384 hash: ddaace5b2fe37c65026f0d1cafd27c04c934a0cf3cbd524fa44907be370794cc55caac7a2b5189368d051b452d0e8490
SHA1 hash: 7cf46eaea8f922ad24f6ec70b4f8dd2024657329
MD5 hash: 230cc963bf4ec456800d4c97bb9ed75f
humanhash: lamp-west-virginia-jig
File name:bOPj.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:48'640 bytes
First seen:2023-08-11 15:07:25 UTC
Last seen:2023-09-07 14:13:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:Eq+s3pUtDILNCCa+DiPsMmaCVi/G8YbNgeiMRDz1+KCfvEgK/JDZVc6KN:Eq+AGtQOWZzzbaXAoPnkJDZVclN
Threatray 42 similar samples on MalwareBazaar
TLSH T110236C4037988136F2BD9BB5A8F292458679D25B1D03CA496CC815EA2B13FC696036FE
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter pmelson
Tags:AsyncRAT DCRat exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
378
Origin country :
US US
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
bOPj.exe
Verdict:
Malicious activity
Analysis date:
2023-08-11 15:08:37 UTC
Tags:
rat asyncrat remote
Link:
https://app.any.run/tasks/ce6087bd-5f2c-4918-b9da-baedc6738334

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/442180/
Detection(s):
Sanesecurity.Malware.29669.UNOFFICIAL
Create hunting rule

Win.Malware.Generickdz-9865912-0
Create hunting rule

Win.Malware.Enigmaprotector-9874743-0
Create hunting rule

Win.Malware.Enigmaprotector-9881027-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Running batch commands
Creating a file
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy evasive hacktool lolbin lolbin mpcmdrun msconfig njrat packed rat regedit replace
Link:
https://www.filescan.io/uploads/64d64ed2daa9db505345680b/reports/2928eec3-23d6-4878-adf1-cd015b3e7e7c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/61be8cdec38d60d5a8a64fd0f891656f0410825d7c1181d7f40eb6aaf56d3521
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:
DCRat
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/db75626a-b399-4fb4-9584-17f3a534d6ed
Result
Threat name:
AsyncRAT, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1290118
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected AsyncRAT
Yara detected DcRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1290118 Sample: bOPj.exe Startdate: 11/08/2023 Architecture: WINDOWS Score: 100 18 Snort IDS alert for network traffic 2->18 20 Found malware configuration 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 7 other signatures 2->24 7 bOPj.exe 2 5 2->7         started        process3 dnsIp4 16 2riandcra.duckdns.org 177.255.88.161, 49711, 49766, 7575 ColombiaMovilCO Colombia 7->16 10 cmd.exe 1 7->10         started        process5 process6 12 conhost.exe 10->12         started        14 timeout.exe 1 10->14         started       
Detection:
dcrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/61be8cdec38d60d5a8a64fd0f891656f0410825d7c1181d7f40eb6aaf56d3521/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-08-11 15:08:05 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=mg7izxwdrvqnlkfgj7iprelfn4cbbas5pqiydv7ub23kv5lnguqq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
1dac278c05c70bc6df9e9eff71a38932549c61f51e1fed6239420a3c542c0476
AsyncRAT
5ca36203dcf4de2fb898308d50cb01aa4bbe3810a398a1f5e14b3aff1de16f65
AsyncRAT
5d7c4fd868e99334df95874c2c97f7e4ec2899e50fc482e637f5540d63032087
AsyncRAT
682d0715a72ba27e0b0fe217b30adb446500758b97dc8fa603727b490f6fb60f
AsyncRAT
76ded83d3b20de4cab65576d0e4c5adcd5b8ebb76e064ef4c2d3449ebdd25cac
AsyncRAT
77898019737298221ba5939c18ee8e0f7c22e9a7272bf7b42e70c09054dbb559
AsyncRAT
992dffa683d5a6e02b1bc40a2447a7cbfa03eab11adf8f9a5ff2b1d18cec7c93
AsyncRAT
a16465e149e3d655f042fe17721a93f54c9db0ce45cc09b7152fbd4710f71b78
AsyncRAT
aa44b193e2eb0046c55dc1a78fed298c361f06835256504ff42db39c5692df10
AsyncRAT
db56ca34b934ee56d33478d16413a49d78a7671fd92c9a7a9444c48469030520
AsyncRAT
+ 32 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:lindo rat
Link:
https://tria.ge/reports/230811-shvv3aeb65/
Behaviour
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Deletes itself
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
2riandcra.duckdns.org:7575
Unpacked files
SH256 hash:
61be8cdec38d60d5a8a64fd0f891656f0410825d7c1181d7f40eb6aaf56d3521
MD5 hash:
230cc963bf4ec456800d4c97bb9ed75f
SHA1 hash:
7cf46eaea8f922ad24f6ec70b4f8dd2024657329
Detections:
DCRat
Create hunting rule
Link:
https://www.unpac.me/results/55fef4dd-529a-4f9c-a36f-f4ac3264a37b/
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/61be8cdec38d60d5a8a64fd0f891656f0410825d7c1181d7f40eb6aaf56d3521

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
Create hunting rule
Author:Nikos 'n0t' Totosis
Description:AcRat Payload (based on AsyncRat)
Rule name:INDICATOR_SUSPICIOUS_EXE_B64_Artifacts
Create hunting rule
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_Trojan_DCRat_1aeea1ac
Create hunting rule
Author:Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AsyncRAT

Executable exe 61be8cdec38d60d5a8a64fd0f891656f0410825d7c1181d7f40eb6aaf56d3521

(this sample)

  
Link
https://www.virustotal.com/gui/file/61be8cdec38d60d5a8a64fd0f891656f0410825d7c1181d7f40eb6aaf56d3521/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/442180/

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