MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a71286ed9bc67a7bc404b462229db4cb869d36b84f41bfbc36a9227759ed434c. 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


Intelligence 18 IOCs YARA 13 File information Comments
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SHA256 hash: a71286ed9bc67a7bc404b462229db4cb869d36b84f41bfbc36a9227759ed434c
SHA3-384 hash: 152a7b7cc54298fb7a920aed6090c735cd58d6f0a17c7b60d5ce94c6e5ce6ff5cbf6be7ed700228aa6570e757499b6e4
SHA1 hash: 731a34c0cc84da650b730b4b14912ccad42f7685
MD5 hash: bfb1dcba649431a822b426c8830f2d03
humanhash: mango-summer-neptune-kilo
File name:payload.dll
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:46'080 bytes
First seen:2023-01-04 00:52:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:wu/JRToSkobbWUnWCimo2qBrKjGKG6PIyzjbFgX3iAFXtv9nyb2UpfSBDZ6x:wu/JRT3T82MKYDy3bCXSOXtvN0dtsd6x
Threatray 3'218 similar samples on MalwareBazaar
TLSH T197231B003BE8822BF6BE4F78ACF25145867AF6632603D54A1CC451DB5713FC69A426FE
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 x3ph1
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
234
Origin country :
US US
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
payload.dll
Verdict:
Malicious activity
Analysis date:
2023-01-04 00:54:10 UTC
Tags:
trojan rat asyncrat evasion quasar
Link:
https://app.any.run/tasks/8b70df11-6a38-4e8f-8a7b-8fdeebdb89f3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/349272/
Detection(s):
Win.Packed.Razy-9625918-0
Create hunting rule

Win.Packed.AsyncRAT-9856570-1
Create hunting rule

Win.Packed.AsyncRAT-9861056-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Creating a window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat coinminer dcrat fareit njrat packed rat razy samas windows
Link:
https://www.filescan.io/uploads/63b4cdb25f356e00329c8d23/reports/a73ca66a-f4e7-42c8-bcaf-982df6639a36/overview
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/a4d6d63c-564c-4073-9c09-67405e54385f
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1144855
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (suspicious strings)
Sigma detected: Powershell Download and Execute IEX
Snort IDS alert for network traffic
Suspicious powershell command line found
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
Wscript starts Powershell (via cmd or directly)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected MSILLoadEncryptedAssembly
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 777585 Sample: payload.dll.exe Startdate: 04/01/2023 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for dropped file 2->52 54 12 other signatures 2->54 10 payload.dll.exe 2 4 2->10         started        15 wscript.exe 2->15         started        process3 dnsIp4 34 1bxb.ddns.net 147.189.168.100, 49684, 49686, 49687 JANETJiscServicesLimitedGB United Kingdom 10->34 36 windowsupdatebg.s.llnwi.net 10->36 32 C:\Users\user\AppData\Local\Temp\ipqnfq.vbs, ASCII 10->32 dropped 58 Potential malicious VBS script found (suspicious strings) 10->58 60 Tries to harvest and steal browser information (history, passwords, etc) 10->60 17 cmd.exe 1 10->17         started        file5 signatures6 process7 signatures8 42 Suspicious powershell command line found 17->42 44 Wscript starts Powershell (via cmd or directly) 17->44 46 Bypasses PowerShell execution policy 17->46 20 powershell.exe 3 12 17->20         started        22 conhost.exe 17->22         started        process9 process10 24 wscript.exe 1 20->24         started        signatures11 56 Wscript starts Powershell (via cmd or directly) 24->56 27 powershell.exe 15 40 24->27         started        process12 dnsIp13 38 elevateworkforce.com 166.62.88.163, 443, 49688 AS-26496-GO-DADDY-COM-LLCUS United States 27->38 40 192.168.2.1 unknown unknown 27->40 30 conhost.exe 27->30         started        process14
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a71286ed9bc67a7bc404b462229db4cb869d36b84f41bfbc36a9227759ed434c/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-01-04 00:52:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u4jin3m3yz5hxraewrrcfhnuzodj2nvyj5a37pbwverhowpninga._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0b8a5cbe236a7057a2904f18480b85ce9b59b891c0a1a041516248d35760744d
AsyncRAT
1299373ec40fc1f3f16957338574a9ad51a94e62220cc8c08f1ad81dee443544
AsyncRAT
16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a
AsyncRAT
1a9e9deb92ea9d2cd35f94b5b0cfaecfd353fe71d886aa0ee4da2d7b454427aa
AsyncRAT
213528a5164fcb5253010129aac3855b4b905c9c5a9514a2a2b9db7e2b592a73
AsyncRAT
2799478f81991ca4ba86ccf7a234f95199cf3743f6a1112f20666b6ce104e557
AsyncRAT
438e8f8d626ca18bb5fbd3499cad058033b199c865badba6415e362d5b8dcd49
AsyncRAT
bcf7571a4d9b25fabdc2d6120b1b2d7bd8446ea2bc3a5da1d4127954920067de
AsyncRAT
ceddcfa72226e91f7435facafe6631d1385ca4d246d242d5136ac4e9462b8611
AsyncRAT
ecb8839117d73d33390c84f7f6e02f4970156ccb2da7b48083922f60625fa8be
AsyncRAT
+ 3'208 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:quasar botnet:btc botnet:try rat spyware stealer trojan
Link:
https://tria.ge/reports/230104-a73cbsgf7z/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Blocklisted process makes network request
Async RAT payload
AsyncRat
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
1bxb.ddns.net:6606
newqs.ddns.net:6666
Dropper Extraction:
https://elevateworkforce.com/.END.txt
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d1e0f789-0db7-4f4f-8640-c15fe3a1f051
Unpacked files
SH256 hash:
a71286ed9bc67a7bc404b462229db4cb869d36b84f41bfbc36a9227759ed434c
MD5 hash:
bfb1dcba649431a822b426c8830f2d03
SHA1 hash:
731a34c0cc84da650b730b4b14912ccad42f7685
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/aa1b16df-672f-43d5-b86e-6faa2c914309/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a71286ed9bc6/report/overview.html
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/a71286ed9bc67a7bc404b462229db4cb869d36b84f41bfbc36a9227759ed434c

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
Create hunting rule
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:AsyncRat_Detection_Dec_2022
Create hunting rule
Author:Potatech
Description:AsyncRat
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
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: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:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Create hunting rule
Author:Elastic Security
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/349272/

Comments