MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54. 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: 15


Intelligence 15 IOCs YARA 12 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54
SHA3-384 hash: b133b4135a699d948754d1a919764e8e5eb13daaab440399e3212580f04d0f015466a6ca9348b38111fcec294508d8b5
SHA1 hash: 1b993f554960286e90cfd7cedf4c457e1c46ff80
MD5 hash: a7d63348cfe9b0dc9d3aaec28c76c8f0
humanhash: maine-avocado-cup-two
File name:a7d63348cfe9b0dc9d3aaec28c76c8f0
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:76'800 bytes
First seen:2024-04-17 11:35:28 UTC
Last seen:2024-04-17 13:44:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:XXkUaUdXCfRPMRkGWsrT/NGH1ba/KOjybwokzkHLVclN:XUUTNWPMRkGUH1baP+tkWBY
Threatray 118 similar samples on MalwareBazaar
TLSH T1087349013BD98D35F2AE4BB9ACF2510546F5E6972016CA5E3CC400DE5B67BC68A036FE
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 zbetcheckin
Tags:32 AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
301
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54.exe
Verdict:
Malicious activity
Analysis date:
2024-04-17 11:40:24 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/b42219be-f0fa-4ece-8696-edb94a1237e7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a 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
DNS request
Searching for synchronization primitives
Connection attempt
Sending a custom TCP request
Downloading the file
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
hook njrat rat
Link:
https://www.filescan.io/uploads/661fb428c5dabc22b2015d0f/reports/de206b60-10c3-42af-8ea7-bb55f7622906/overview
Verdict:
Malicious
Labled as:
Dacic.6C2EA08B.A.Generic
Link:
https://www.hybrid-analysis.com/sample/16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54
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/a2232a73-c603-4d06-88e9-0b7ef0c4d854
Result
Threat name:
AsyncRAT, VenomRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1427319
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
Connects to a pastebin service (likely for C&C)
Contains functionality to log keystrokes (.Net Source)
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
Protects its processes via BreakOnTermination flag
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell download and execute file
Sigma detected: PowerShell DownloadFile
Sigma detected: Suspicious Script Execution From Temp Folder
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to download and execute files (via powershell)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected VenomRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1427319 Sample: lXxwrV8dZ2.exe Startdate: 17/04/2024 Architecture: WINDOWS Score: 100 58 pastebin.com 2->58 60 xcu5.exgaming.click 2->60 62 xcu.exgaming.click 2->62 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus / Scanner detection for submitted sample 2->80 84 13 other signatures 2->84 10 lXxwrV8dZ2.exe 9 2->10         started        14 system.exe 4 2->14         started        signatures3 82 Connects to a pastebin service (likely for C&C) 58->82 process4 file5 56 C:\Users\user\AppData\Roaming\system.exe, PE32 10->56 dropped 88 Protects its processes via BreakOnTermination flag 10->88 90 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->90 16 cmd.exe 1 10->16         started        18 cmd.exe 1 10->18         started        21 cmd.exe 1 10->21         started        92 Antivirus detection for dropped file 14->92 94 Multi AV Scanner detection for dropped file 14->94 96 Machine Learning detection for dropped file 14->96 23 cmd.exe 14->23         started        signatures6 process7 signatures8 25 system.exe 16->25         started        37 2 other processes 16->37 70 Suspicious powershell command line found 18->70 72 Tries to download and execute files (via powershell) 18->72 74 Uses schtasks.exe or at.exe to add and modify task schedules 18->74 29 powershell.exe 14 16 18->29         started        31 powershell.exe 16 18->31         started        33 powershell.exe 12 18->33         started        39 2 other processes 18->39 41 2 other processes 21->41 35 powershell.exe 16 23->35         started        43 4 other processes 23->43 process9 dnsIp10 64 51.254.53.24, 4449 OVHFR France 25->64 66 pastebin.com 104.20.3.235, 443, 49706, 49707 CLOUDFLARENETUS United States 25->66 68 104.20.4.235, 443, 49719, 49720 CLOUDFLARENETUS United States 25->68 86 Protects its processes via BreakOnTermination flag 25->86 45 cmd.exe 25->45         started        signatures11 process12 signatures13 98 Suspicious powershell command line found 45->98 100 Tries to download and execute files (via powershell) 45->100 48 conhost.exe 45->48         started        50 powershell.exe 45->50         started        52 powershell.exe 45->52         started        54 2 other processes 45->54 process14
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-04-16 20:49:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 37 (81.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=czug6htvmpgfjigqi6qqgncw7bgzdd3pspylxst4wrajexy65nka._file
Verdict:
malicious
Similar samples:
16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54
AsyncRAT
2522c6e717f20b29f38a73dc450a3ad748a14bbe86796429e50eaa672edd5d23
AsyncRAT
37c59b4a6bc52f2fa3398bba784ab89b2316c17edf13bb350e2c7dbf5933d285
AsyncRAT
59c388b975d290fa525ffefe5aaecb011219ebd3121a7e79e913d980fb7af951
AsyncRAT
609d44617a0a2884204f59d1350ffa87cef6be04d06c42014957515a6fb12f61
AsyncRAT
86cbf592506673e51dc698eeae701d4bb6c303179d198e3e9566bbc007ef5108
AsyncRAT
a16509e5f47dfc723e8ac146aef92046a65551452c9692d443dfa64fcc879392
AsyncRAT
a3228a072409a8a3e96d305b669630bb03e0507bfe5472b7538237432ec8cfb8
AsyncRAT
b096918eb312d3ae41a05ed801cc0c07cb2eae17778012e849a41c1d915ebce7
AsyncRAT
+ 108 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/240417-nqk9dadd93/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
Dropper Extraction:
http://xcu.exgaming.click
http://xcu5.exgaming.click
Unpacked files
SH256 hash:
16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54
MD5 hash:
a7d63348cfe9b0dc9d3aaec28c76c8f0
SHA1 hash:
1b993f554960286e90cfd7cedf4c457e1c46ff80
Detections:
VenomRat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Link:
https://www.unpac.me/results/99002e5f-6481-4857-a872-b334afd5cc84/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/16686f1e7563/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AsyncRAT
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54

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_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_Generic_Threat_ce98c4bc
Create hunting rule
Author:Elastic Security
Rule name:win_asyncrat_unobfuscated
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

File information

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

Web download

AsyncRAT

Executable exe 16686f1e7563cc54a0d047a1033456f84d918f6f93f0bbca7cb440925f1eeb54

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2815128/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments


Avatar
zbet commented on 2024-04-17 11:35:29 UTC

url : hxxp://86.68.222.14/Client.exe