MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9bbff8a558332514842fc08308705cecc41c4867511d4a0e6622a321c7041900. 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 20 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9bbff8a558332514842fc08308705cecc41c4867511d4a0e6622a321c7041900
SHA3-384 hash: 2554af6aad8ba6ac402b71e444bb758166b777023e728418a439f8b681031cf0fa6c209802f7a28325b5a3160ee96d8c
SHA1 hash: add05b6925225f6450fac5022d0959c722a57a5d
MD5 hash: e18397f25b87a6f58b9c226e8e9ea03f
humanhash: cat-cardinal-zulu-burger
File name:e18397f25b87a6f58b9c226e8e9ea03f
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:2'227'200 bytes
First seen:2023-12-07 04:06:35 UTC
Last seen:2023-12-07 05:16:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:YYRlal53xl2QVZzNy1smH33GOUlVe2R93p8E+epjNfO/VJC+aoUOTyd/94d1qiMN:e5Pdzh
TLSH T1DCA58D9A71FCDBD97556978D3FA423817AF23EFFB5898A62136C89294001ACDC0C4637
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
351
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e18397f25b87a6f58b9c226e8e9ea03f
Verdict:
No threats detected
Analysis date:
2023-12-07 04:09:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7fadff78-bebd-4e36-a583-003e6fcb18f2

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/463087/
Detection(s):
SecuriteInfo.com.Win32.InjectorX-gen.16003.11688.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a file in the %temp% directory
Creating a process from a recently created file
Setting a single autorun event
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/657144ebda3178d99cdaec01/reports/431c6b36-0b65-4c1e-a68e-cf0983ed6ba3/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/9bbff8a558332514842fc08308705cecc41c4867511d4a0e6622a321c7041900
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/730508ca-e599-4967-8227-9869d3f12553
Result
Threat name:
AsyncRAT, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1355138
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
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 ping.exe to check the status of other devices and networks
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected BrowserPasswordDump
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1355138 Sample: 1q611H0L4v.exe Startdate: 07/12/2023 Architecture: WINDOWS Score: 100 88 Snort IDS alert for network traffic 2->88 90 Multi AV Scanner detection for domain / URL 2->90 92 Found malware configuration 2->92 94 13 other signatures 2->94 13 1q611H0L4v.exe 1 3 2->13         started        16 1q611H0L4v.exe 3 2->16         started        18 1q611H0L4v.exe 3 2->18         started        process3 signatures4 120 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->120 122 Writes to foreign memory regions 13->122 124 Allocates memory in foreign processes 13->124 20 AppLaunch.exe 2 4 13->20         started        25 cmd.exe 3 13->25         started        27 AppLaunch.exe 13->27         started        126 Injects a PE file into a foreign processes 16->126 29 cmd.exe 16->29         started        31 AppLaunch.exe 2 16->31         started        33 cmd.exe 18->33         started        35 AppLaunch.exe 3 18->35         started        process5 dnsIp6 82 91.92.247.123, 49714, 49721, 49723 THEZONEBG Bulgaria 20->82 74 C:\Users\user\AppData\Local\Temp\tqcdjc.exe, PE32 20->74 dropped 108 Tries to harvest and steal browser information (history, passwords, etc) 20->108 37 cmd.exe 20->37         started        76 C:\ProgramData\svcSched.exe, PE32 25->76 dropped 110 Uses ping.exe to check the status of other devices and networks 25->110 40 conhost.exe 25->40         started        42 PING.EXE 1 25->42         started        44 conhost.exe 29->44         started        46 conhost.exe 33->46         started        file7 signatures8 process9 signatures10 96 Suspicious powershell command line found 37->96 98 Bypasses PowerShell execution policy 37->98 48 powershell.exe 37->48         started        50 conhost.exe 37->50         started        process11 process12 52 tqcdjc.exe 48->52         started        file13 72 C:\ProgramData\31393a30383a3535\gfsvc.exe, PE32 52->72 dropped 100 Antivirus detection for dropped file 52->100 102 Multi AV Scanner detection for dropped file 52->102 104 Creates an undocumented autostart registry key 52->104 106 3 other signatures 52->106 56 gfsvc.exe 52->56         started        signatures14 process15 dnsIp16 84 91.92.247.161, 49724, 49727, 49728 THEZONEBG Bulgaria 56->84 86 91.92.247.96, 49725, 80 THEZONEBG Bulgaria 56->86 78 C:\Users\user\AppData\Local\...\async[1].exe, PE32 56->78 dropped 80 C:\ProgramData\FRaqbC8wSA1XvpFVjCRGryWt.exe, PE32 56->80 dropped 112 Antivirus detection for dropped file 56->112 114 Multi AV Scanner detection for dropped file 56->114 116 Machine Learning detection for dropped file 56->116 118 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 56->118 61 FRaqbC8wSA1XvpFVjCRGryWt.exe 56->61         started        file17 signatures18 process19 signatures20 128 Antivirus detection for dropped file 61->128 130 Multi AV Scanner detection for dropped file 61->130 132 Machine Learning detection for dropped file 61->132 134 3 other signatures 61->134 64 cmd.exe 61->64         started        66 AppLaunch.exe 61->66         started        process21 process22 68 conhost.exe 64->68         started        70 PING.EXE 64->70         started       
Score:
92%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9bbff8a558332514842fc08308705cecc41c4867511d4a0e6622a321c7041900
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9bbff8a558332514842fc08308705cecc41c4867511d4a0e6622a321c7041900/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2023-12-06 23:33:26 UTC
File Type:
PE (.Net Exe)
AV detection:
13 of 37 (35.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=to77rjkygmsrjbbpycbqq4c45tcbysdhkeouudtgekrsdryedeaa._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/231207-epm7xahbhm/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Unpacked files
SH256 hash:
a43ad2d1d8b754a8af712ab4d21b101d52cd71e2ab52352aebe310208a6b08b4
MD5 hash:
0ec78f3d6b74eecf77dcd076bf8b5a2f
SHA1 hash:
75416d4212b2f460ecf7209bf89016ed60030d8c
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
win_asyncrat_bytecodes
Create hunting rule
asyncrat
Create hunting rule
Link:
https://www.unpac.me/results/ade41d49-dbba-42ca-9e6a-adc2461f6dc1/
SH256 hash:
9bbff8a558332514842fc08308705cecc41c4867511d4a0e6622a321c7041900
MD5 hash:
e18397f25b87a6f58b9c226e8e9ea03f
SHA1 hash:
add05b6925225f6450fac5022d0959c722a57a5d
Link:
https://www.unpac.me/results/ade41d49-dbba-42ca-9e6a-adc2461f6dc1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/9bbff8a558332514842fc08308705cecc41c4867511d4a0e6622a321c7041900

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:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
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: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: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_bytecodes
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
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.

Web download

AsyncRAT

Executable exe 9bbff8a558332514842fc08308705cecc41c4867511d4a0e6622a321c7041900

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2738262/
Cape
Cape
https://www.capesandbox.com/analysis/463087/

Comments


Avatar
zbet commented on 2023-12-07 04:06:36 UTC

url : hxxp://91.92.247.96/async.exe