MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5478f23d8a67ec7f18ee3ebcfefe3d86d89543c6f323b3de5f7696fdd7697cf4. 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 16 File information Comments 1

SHA256 hash: 5478f23d8a67ec7f18ee3ebcfefe3d86d89543c6f323b3de5f7696fdd7697cf4
SHA3-384 hash: 0ba83d95bf36d89e83510a6015001dd7d2db68487c0baa1e790057d9b0937859d6cf4d4f7f7c19a286576ccab7fc141e
SHA1 hash: 7dd6b0e60dbcc9207b5ef18daee9790f14c525d4
MD5 hash: d5bbe92d4a8b9014708e0aa325158e2b
humanhash: nitrogen-south-lake-lactose
File name:d5bbe92d4a8b9014708e0aa325158e2b
Download: download sample
Signature AsyncRAT
File size:230'400 bytes
First seen:2023-04-10 13:41:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:VeUOuccUzNkM0MU1QPvoj4DFBHLWEUuJJmfUGs70p8I:UUlcjJkrX1QPv/DbrWE5JlGs70pZ
Threatray 3'053 similar samples on MalwareBazaar
TLSH T1E1347B8C766472DFC86BC8768AA42C64FA60747B470FC243A45312ADAE4D99BCF151F3
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)
File icon (PE):PE icon
dhash icon 595979c4d4d4d4d4 (6 x AsyncRAT, 2 x Loki)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
322
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d5bbe92d4a8b9014708e0aa325158e2b
Verdict:
No threats detected
Analysis date:
2023-04-10 13:43:28 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 file
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
Launching a process
Creating a process from a recently created file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
confuserex net packed packed quasar
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:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
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: 844010 Sample: 28dADSycGz.exe Startdate: 10/04/2023 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 6 other signatures 2->52 10 28dADSycGz.exe 1 2->10         started        14 crsi.exe 2->14         started        process3 file4 44 C:\Users\user\AppData\...\28dADSycGz.exe.log, ASCII 10->44 dropped 56 Injects a PE file into a foreign processes 10->56 16 28dADSycGz.exe 6 10->16         started        58 Antivirus detection for dropped file 14->58 60 Machine Learning detection for dropped file 14->60 19 crsi.exe 14->19         started        signatures5 process6 file7 42 C:\Users\user\AppData\Roaming\crsi.exe, PE32 16->42 dropped 21 cmd.exe 1 16->21         started        24 cmd.exe 1 16->24         started        26 WerFault.exe 19->26         started        process8 signatures9 54 Uses schtasks.exe or at.exe to add and modify task schedules 21->54 28 conhost.exe 21->28         started        30 schtasks.exe 1 21->30         started        32 crsi.exe 1 24->32         started        34 conhost.exe 24->34         started        36 timeout.exe 1 24->36         started        process10 process11 38 crsi.exe 32->38         started        process12 40 WerFault.exe 38->40         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-04-10 13:38:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:dnock 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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
dnuocc.com:3306
dnuocc.com:1452
Unpacked files
SH256 hash:
5478f23d8a67ec7f18ee3ebcfefe3d86d89543c6f323b3de5f7696fdd7697cf4
MD5 hash:
d5bbe92d4a8b9014708e0aa325158e2b
SHA1 hash:
7dd6b0e60dbcc9207b5ef18daee9790f14c525d4
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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
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_Trojan_Asyncrat_11a11ba1
Author:Elastic Security
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
Rule name:XWorm_Hunter
Author:Potato

File information


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

Web download

AsyncRAT

Executable exe 5478f23d8a67ec7f18ee3ebcfefe3d86d89543c6f323b3de5f7696fdd7697cf4

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-04-10 13:41:39 UTC

url : hxxps://www.tractorandinas.com/dscontent/screenshotcontents/vsdhfvzgsfvzshfszhdfrff.exe