MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 414e3a7b25f16b78c015a7fd44667a0fd809b399e713f12f48b331693c4bb41f. 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: 13


Intelligence 13 IOCs YARA 13 File information Comments

SHA256 hash: 414e3a7b25f16b78c015a7fd44667a0fd809b399e713f12f48b331693c4bb41f
SHA3-384 hash: 860999d39f7838a0009ca1fbed218565a84d5649c4baa695ed1ed8a410252c09192c6ea18d773ad8764cb556f848ba6b
SHA1 hash: 54d48e322e9130333fd1b1668eb9b4a7da0d3626
MD5 hash: 277a96e64c3428aa62a0e63fc0f43077
humanhash: michigan-table-speaker-magazine
File name:file
Download: download sample
Signature AsyncRAT
File size:81'408 bytes
First seen:2023-01-20 13:55:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 1536:MPonfuInpBqaLOmLTgDPKpir8uC0rabnryKXn8jAKrzC4GWQr0Rc1U8N:0ofuQBLOm/gDPKpir80WbeKXRKrzC70m
TLSH T11583125937705B36C6BD0A7C70A7A7578922E4045E32D72B04D3E18FB815B9063E3AF8
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter jstrosch
Tags:.NET AsyncRAT exe MSIL

Intelligence


File Origin
# of uploads :
1
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-20 14:14:56 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a file
Running batch commands
Creating a process with a hidden window
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed razy
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
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 788298 Sample: file.exe Startdate: 20/01/2023 Architecture: WINDOWS Score: 96 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 5 other signatures 2->54 10 file.exe 3 2->10         started        13 amel.exe 2 2->13         started        process3 file4 46 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 10->46 dropped 15 RegSvcs.exe 3 10->15         started        17 RegSvcs.exe 10->17         started        19 RegSvcs.exe 10->19         started        21 conhost.exe 13->21         started        process5 process6 23 RegAsm.exe 7 15->23         started        file7 44 C:\Users\user\AppData\Roaming\amel.exe, PE32 23->44 dropped 56 Protects its processes via BreakOnTermination flag 23->56 27 cmd.exe 1 23->27         started        30 cmd.exe 1 23->30         started        signatures8 process9 signatures10 58 Uses schtasks.exe or at.exe to add and modify task schedules 27->58 32 conhost.exe 27->32         started        34 schtasks.exe 1 27->34         started        36 amel.exe 1 30->36         started        38 conhost.exe 30->38         started        40 timeout.exe 1 30->40         started        process11 process12 42 conhost.exe 36->42         started       
Threat name:
ByteCode-MSIL.Trojan.ZillaAzorult
Status:
Malicious
First seen:
2023-01-20 13:56:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
127.0.0.1:666
Unpacked files
SH256 hash:
2a7e5e963c8cd38d5e4ad74826c3f95d3001bba838a6533709081dbe8e61c2dd
MD5 hash:
cdb197f96f893e49cd4fcb989ede51b6
SHA1 hash:
c2b889729e6ea9fe79d30a58c8770edd68b289ce
Detections:
AsyncRAT win_asyncrat_w0
SH256 hash:
bee241d236f2dc0acd508fc64dd6159a4e7664b032b0c8c9d3eb394ebc769c47
MD5 hash:
67d834fc1d8f1cdd50ae789ed265a8ca
SHA1 hash:
9f05f4005c53d5e0c66e84d4de527860dbe310b0
SH256 hash:
414e3a7b25f16b78c015a7fd44667a0fd809b399e713f12f48b331693c4bb41f
MD5 hash:
277a96e64c3428aa62a0e63fc0f43077
SHA1 hash:
54d48e322e9130333fd1b1668eb9b4a7da0d3626
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:AsyncRat_Detection_Dec_2022
Author:Potatech
Description:AsyncRat
Rule name:INDICATOR_EXE_Packed_NyanXCat_CSharpLoader
Author:ditekSHen
Description:Detects .NET executables utilizing NyanX-CAT C# Loader
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
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: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:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
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.

Web download

AsyncRAT

Executable exe 414e3a7b25f16b78c015a7fd44667a0fd809b399e713f12f48b331693c4bb41f

(this sample)

  
Delivery method
Distributed via web download

Comments