MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34619b02688a538cf3bec776233ced7001f09307e4a4d231fc0f14330ec938b6. 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 22 File information Comments

SHA256 hash: 34619b02688a538cf3bec776233ced7001f09307e4a4d231fc0f14330ec938b6
SHA3-384 hash: 3a89088dcfc8380eec23f70c6386a45f93b829a36c7137a630a994381bd64ffafe4fb891ad17b7aca0a3a653231cc384
SHA1 hash: f47c5c5b47e51037ef5611b6dbed2ca1c4279be9
MD5 hash: 18bb98b45da6d509a360ba1b5f58e854
humanhash: washington-low-single-nitrogen
File name:18bb98b45da6d509a360ba1b5f58e854.exe
Download: download sample
Signature AsyncRAT
File size:46'080 bytes
First seen:2024-02-14 06:55:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:ZuwyNToEjaNLWU3+KZmo2q7v6MQP0UkcNIPIFzjbBgX3i0CNskgpkBDZrx:ZuwyNToqad2MsLtF3buXS0Ci/pSdrx
TLSH T1CF232A0037E8812BF2BE4F78A9F25145867AF2633903DA492CC451DB5613FC69A526FE
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 abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
91.92.251.202:2024

Intelligence


File Origin
# of uploads :
1
# of downloads :
451
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
34619b02688a538cf3bec776233ced7001f09307e4a4d231fc0f14330ec938b6.exe
Verdict:
Malicious activity
Analysis date:
2024-02-14 06:57:34 UTC
Tags:
rat asyncrat remote

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% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat asyncrat config-extracted fareit lolbin njrat razy reg schtasks
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.
Result
Threat name:
AsyncRAT, PureLog Stealer, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
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 dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1391936 Sample: yG2R4zAif8.exe Startdate: 14/02/2024 Architecture: WINDOWS Score: 100 33 spidermanbaba.ddns.net 2->33 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 47 13 other signatures 2->47 8 yG2R4zAif8.exe 7 2->8         started        11 MicrosoftCompabilityTelemtry.exe 3 2->11         started        signatures3 45 Uses dynamic DNS services 33->45 process4 file5 31 C:\Users\...\MicrosoftCompabilityTelemtry.exe, PE32 8->31 dropped 14 cmd.exe 1 8->14         started        16 cmd.exe 1 8->16         started        51 Antivirus detection for dropped file 11->51 53 Multi AV Scanner detection for dropped file 11->53 55 Machine Learning detection for dropped file 11->55 signatures6 process7 signatures8 19 MicrosoftCompabilityTelemtry.exe 1 2 14->19         started        23 conhost.exe 14->23         started        25 timeout.exe 1 14->25         started        37 Uses schtasks.exe or at.exe to add and modify task schedules 16->37 27 conhost.exe 16->27         started        29 schtasks.exe 1 16->29         started        process9 dnsIp10 35 spidermanbaba.ddns.net 91.92.251.202, 2024, 49729, 49736 THEZONEBG Bulgaria 19->35 49 Tries to harvest and steal browser information (history, passwords, etc) 19->49 signatures11
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2024-02-11 18:46:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Result
Malware family:
Score:
  10/10
Tags:
family:asyncrat family:zgrat botnet:start rat spyware stealer
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
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Detect ZGRat V1
ZGRat
Malware Config
C2 Extraction:
spidermanbaba.ddns.net:2024
Unpacked files
SH256 hash:
34619b02688a538cf3bec776233ced7001f09307e4a4d231fc0f14330ec938b6
MD5 hash:
18bb98b45da6d509a360ba1b5f58e854
SHA1 hash:
f47c5c5b47e51037ef5611b6dbed2ca1c4279be9
Detections:
AsyncRAT win_asyncrat_w0 INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse asyncrat
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Generic_Threat_ce98c4bc
Author:Elastic Security
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Author:Elastic Security
Rule name:win_asyncrat_bytecodes
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
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_unobfuscated
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)
Rule name:win_asyncrat_w0
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.

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