MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa9fe798ce4705a1ccbb22f8cb813c84e4abce585413eb7e26f0934443e75dbd. 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: 10


Intelligence 10 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa9fe798ce4705a1ccbb22f8cb813c84e4abce585413eb7e26f0934443e75dbd
SHA3-384 hash: dc7e0573071cb95d61dd1ff1b62a5c54329504686b0a21abb1447182a576d049201c9af10ed9d004148c611be91783bd
SHA1 hash: ba09428d9fdaadcd92a578d12a48dcb61d331856
MD5 hash: e26e685d51988b2ae00c8e7a4ef256db
humanhash: earth-hotel-asparagus-finch
File name:run.ps1
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:705'897 bytes
First seen:2023-05-17 18:27:22 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 1536:or/BsVwGJ9iOowdWIa/aEgRJWb+pifHNutiQ3JlqmbNNnLRS2EFurYdq7PbAeVh/:N
Threatray 365 similar samples on MalwareBazaar
TLSH T17FE4375207850BBDF68D0EC9C94B355B20F2D8677D251298EBB36EE7BC3B9845430A36
Reporter johnk3r
Tags:AsyncRAT ps1

Intelligence

File Origin
# of uploads :
1
# of downloads :
205
Origin country :
CO CO
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.VBS.Obfus-178.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd cmd.exe powershell
Link:
https://www.filescan.io/uploads/64651cb62fe8bc4707a9be3f/reports/50aed921-9b16-47e7-890a-772c4ad87ae8/overview
Verdict:
Malicious
Labled as:
Trojan.Script.Runner
Link:
https://www.hybrid-analysis.com/sample/fa9fe798ce4705a1ccbb22f8cb813c84e4abce585413eb7e26f0934443e75dbd
Result
Verdict:
UNKNOWN
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1235544
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
PowerShell case anomaly found
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 cmd line tools excessively to alter registry or file data
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected BrowserPasswordDump
Yara detected Bypass AMSI
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 868539 Sample: run.ps1 Startdate: 17/05/2023 Architecture: WINDOWS Score: 100 74 Snort IDS alert for network traffic 2->74 76 Multi AV Scanner detection for domain / URL 2->76 78 Found malware configuration 2->78 80 12 other signatures 2->80 9 powershell.exe 7 2->9         started        11 powershell.exe 2->11         started        13 powershell.exe 25 2->13         started        17 wscript.exe 2->17         started        process3 file4 19 cmd.exe 2 9->19         started        22 conhost.exe 9->22         started        24 cmd.exe 11->24         started        26 conhost.exe 11->26         started        60 C:\...\WEAZNVCMXZAAQLAKIPOINAQ.vbs, ASCII 13->60 dropped 62 C:\...\WEAZNVCMXZAAQLAKIPOINAQ.ps1, ASCII 13->62 dropped 64 C:\...\WEAZNVCMXZAAQLAKIPOINAQ.bat, DOS 13->64 dropped 66 C:\ProgramData\...\TIOLAMAQZCXELAASSIUYRE.ps1, ASCII 13->66 dropped 88 Bypasses PowerShell execution policy 13->88 28 powershell.exe 37 13->28         started        30 conhost.exe 13->30         started        signatures5 process6 signatures7 82 Uses cmd line tools excessively to alter registry or file data 19->82 84 PowerShell case anomaly found 19->84 32 cmd.exe 1 19->32         started        35 reg.exe 1 1 19->35         started        37 reg.exe 1 1 19->37         started        39 cmd.exe 24->39         started        41 reg.exe 24->41         started        43 reg.exe 24->43         started        45 wscript.exe 28->45         started        process8 signatures9 70 PowerShell case anomaly found 32->70 47 powershell.exe 13 32->47         started        50 powershell.exe 39->50         started        72 Creates processes via WMI 45->72 process10 signatures11 90 Writes to foreign memory regions 47->90 92 Injects a PE file into a foreign processes 47->92 52 aspnet_compiler.exe 1 2 47->52         started        56 aspnet_compiler.exe 50->56         started        58 aspnet_compiler.exe 50->58         started        process12 dnsIp13 68 3llah23.run.place 51.89.204.67, 49697, 49699, 8808 OVHFR France 52->68 86 Tries to harvest and steal browser information (history, passwords, etc) 52->86 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fa9fe798ce4705a1ccbb22f8cb813c84e4abce585413eb7e26f0934443e75dbd/
Threat name:
Script-JS.Trojan.AsyncRAT
Create hunting rule
Status:
Suspicious
First seen:
2023-05-17 18:28:11 UTC
File Type:
Text (Batch)
AV detection:
4 of 24 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7kp6pggoi4c2dtf3el4mxaj4qtskxtsykqj6w7rg6cjuiq7hlw6q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
22c1d53ffde980544a2e044ff44fa8716da3a05a4ba54c1197432645d4c6b734
AsyncRAT
3275b32fec54f3fc881edde92ecb823133a1fd59a047b33bfc28adef7db53f79
AsyncRAT
4533b5392f6e49cf20ee0821b4c8b6b74b8af274995646791ec7fe48a2615425
AsyncRAT
58e46f4659f45eb94baa159364af5719a7e17532cffb36b71f9aa141587c0e0c
AsyncRAT
76f655949c39dfd591636997afae0a090c9ac51f8972e862a092eba574f517e9
AsyncRAT
9165b9f24866c71b77654ac1c7667d93c30bbc29905e9469eb7e48f08104720c
AsyncRAT
d623550382d57e1f3b8a521f00d4f05179da3073ac07d4ccaf4ced2999afc18b
AsyncRAT
f0765d27b3fd830dba8809d79845c6c74c58f349f85197a563d436dc248aab8a
AsyncRAT
+ 355 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:may_1 persistence rat
Link:
https://tria.ge/reports/230517-w4babsga88/
Behaviour
Modifies registry class
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Suspicious use of SetThreadContext
Registers COM server for autorun
Async RAT payload
AsyncRat
Process spawned unexpected child process
Malware Config
C2 Extraction:
3llah23.run.place:8808
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fa9fe798ce47/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fa9fe798ce4705a1ccbb22f8cb813c84e4abce585413eb7e26f0934443e75dbd

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: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:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
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.

Malpedia
Malpedia
https://malpedia.caad.fkie.fraunhofer.de/details/win.asyncrat

Comments