MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13f1760cca4c9a585a2316cf67a83bb7f403f887099db420a48cf31ef947e6f5. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13f1760cca4c9a585a2316cf67a83bb7f403f887099db420a48cf31ef947e6f5
SHA3-384 hash: da2dc0ab4e3fb284af71219df7dbe593f07e0b1f4459cb93e75fa94eff68885ce92e8ce25d78cbe7d2eeef0a316ec88c
SHA1 hash: a89ff71d569e090e849bb40ebe7ed5ae95ca5c8b
MD5 hash: 18d8c4391b614698704df2cde28e88c6
humanhash: tennis-twenty-mexico-item
File name:Runtime Broker.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:49'664 bytes
First seen:2022-05-22 13:42:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:Ot3PjILweUc+biUiENaiUn8YbYgLbc2dvEgK/JcEVc6KN:Ot39kL/zbPM2dnkJcEVclN
Threatray 3'890 similar samples on MalwareBazaar
TLSH T15C235C403BA9813AF2BD8B74ADF3A2418779D2172903C75D6CC854DA2B13BC596036FE
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter obfusor
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
385
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
Discord Accout Nuke.exe
Verdict:
Malicious activity
Analysis date:
2022-05-21 21:09:51 UTC
Tags:
opendir loader trojan rat asyncrat
Link:
https://app.any.run/tasks/9a846263-f6be-4ff5-97b3-660ac82c525b

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/273441/
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm asyncrat coinminer configsecuritypolicy.exe dcrat evasive fareit hacktool mpcmdrun.exe msconfig.exe njrat obfuscated packed rat regedit.exe replace.exe windows
Link:
https://www.filescan.io/uploads/628a3df5206e081618380ff2/reports/1768ee37-a385-454c-a61b-6502a2e9d7a8/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/b654fa04-1e9a-4c9a-8f65-2d9aea691c6e
Result
Threat name:
AsyncRAT, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/999346
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
Detected unpacking (overwrites its own PE header)
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
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected DcRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 631842 Sample: Runtime Broker.exe Startdate: 22/05/2022 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 7 Runtime Broker.exe 7 2->7         started        process3 file4 27 C:\Users\user\AppData\...\Runtime_Broker.exe, PE32 7->27 dropped 29 C:\Users\user\...\Runtime Broker.exe.log, ASCII 7->29 dropped 10 cmd.exe 1 7->10         started        12 cmd.exe 1 7->12         started        process5 signatures6 15 Runtime_Broker.exe 1 2 10->15         started        19 conhost.exe 10->19         started        21 timeout.exe 1 10->21         started        49 Uses schtasks.exe or at.exe to add and modify task schedules 12->49 23 conhost.exe 12->23         started        25 schtasks.exe 1 12->25         started        process7 dnsIp8 31 31.170.22.28, 49745, 55775 NANO-ASLV Latvia 15->31 33 Antivirus detection for dropped file 15->33 35 Multi AV Scanner detection for dropped file 15->35 37 Detected unpacking (overwrites its own PE header) 15->37 39 Machine Learning detection for dropped file 15->39 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/13f1760cca4c9a585a2316cf67a83bb7f403f887099db420a48cf31ef947e6f5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-22 03:52:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0162b4457b84b9a3d7978bd41db509a734cb8d098b7b847dd37cd381c4af3d7b
AsyncRAT
3db5ccb707d4c1f9bf03e21e9d949d87c330ec80b62c7a19442d9a016245acd7
AsyncRAT
5c6457b1c5d9a5669d01a39aeabd18d08a8de3027e2667cc9418c5072341c931
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6acd5eb47c8c0bd86c1f04947074656f1e77a48dc4f5d2b02b487b4942dfe6c9
AsyncRAT
7af1de15a561ea87f46d335d31319720ac61628a026c2593c30ad7028f42312e
AsyncRAT
870a4cfc58c388361c8834701aa8112a0de4155305e92aedc66e0384813d3439
AsyncRAT
bcee6282e2ecdab3a246e31a3d9d04d0d19f32ec981a235513af68df8940f9c8
AsyncRAT
d775bef532e71e692eb0e66292da60db38864a4f3dba5d2382ace1992ddd55f3
AsyncRAT
f63561d5a1e218408d76c24a79ea9053cb0f5a1dddf386c795c587c2c8acd6cf
AsyncRAT
+ 3'880 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat suricata
Link:
https://tria.ge/reports/220522-qz8r5sabg4/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT)
Malware Config
C2 Extraction:
31.170.22.28:55775
Unpacked files
SH256 hash:
13f1760cca4c9a585a2316cf67a83bb7f403f887099db420a48cf31ef947e6f5
MD5 hash:
18d8c4391b614698704df2cde28e88c6
SHA1 hash:
a89ff71d569e090e849bb40ebe7ed5ae95ca5c8b
Link:
https://www.unpac.me/results/ac8998fa-035f-4237-be2d-ea036f1211f8/
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/13f1760cca4c9a585a2316cf67a83bb7f403f887099db420a48cf31ef947e6f5

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
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: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

File information

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

Web download

AsyncRAT

Executable exe 13f1760cca4c9a585a2316cf67a83bb7f403f887099db420a48cf31ef947e6f5

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/273441/
  
URLhaus
https://urlhaus.abuse.ch/url/2207624/
  
Delivery method
Distributed via web download

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