MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea9a3686784c9990761ae93d2a99fdf2bd2a4270119068542ef018e8f248432e. 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 14 File information Comments

SHA256 hash: ea9a3686784c9990761ae93d2a99fdf2bd2a4270119068542ef018e8f248432e
SHA3-384 hash: eb263ef726c678f6fca79de55e8e10936db6113c0da9e810be7c42b29f4821fffe3733d11b2db2b2c5b728989b6a0201
SHA1 hash: 36c47932fe865d933f2012182acfd1f05ba2002b
MD5 hash: 36e4122b5fdd4e5b802aa7c109c354fb
humanhash: yellow-alpha-blue-wolfram
File name:SecuriteInfo.com.Variant.MSILPerseus.238084.12398.30031
Download: download sample
Signature AsyncRAT
File size:15'378'944 bytes
First seen:2023-03-17 09:29:44 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 196608:QU1b3Qw99ayoBNXfDbwbMnFGUVpH0AJyLARm2oFqD7:9vyBNXfYbMF7XTMAR4
TLSH T168F6FBDC726072DFC857D472DEA82DA8EA5178BB931B4203902715ADEE4D89BDF140F2
TrID 73.8% (.RLL) Microsoft Resource Library (x86) (177572/6/26)
12.9% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
4.3% (.EXE) Win64 Executable (generic) (10523/12/4)
2.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
SecuriteInfo.com.Variant.MSILPerseus.238084.12398.30031
Verdict:
Malicious activity
Analysis date:
2023-03-17 09:46:10 UTC
Tags:
asyncrat

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
Sending a custom TCP request
Enabling the 'hidden' option for analyzed file
Launching a process
Creating a file
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
confuserex ieexec.exe net packed samas shell32.dll stealer
Result
Verdict:
MALICIOUS
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
Detected unpacking (changes PE section rights)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 829227 Sample: SecuriteInfo.com.Variant.MS... Startdate: 17/03/2023 Architecture: WINDOWS Score: 92 29 Malicious sample detected (through community Yara rule) 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected AsyncRAT 2->33 35 5 other signatures 2->35 6 SecuriteInfo.com.Variant.MSILPerseus.238084.12398.30031.exe 3 2->6         started        10 SecuriteInfo.com.Variant.MSILPerseus.238084.12398.30031.exe 2 2->10         started        12 SecuriteInfo.com.Variant.MSILPerseus.238084.12398.30031.exe 2 2->12         started        14 SecuriteInfo.com.Variant.MSILPerseus.238084.12398.30031.exe 2 2->14         started        process3 file4 25 SecuriteInfo.com.V...12398.30031.exe.log, ASCII 6->25 dropped 37 Detected unpacking (changes PE section rights) 6->37 16 RegAsm.exe 2 6->16         started        19 WerFault.exe 10 10->19         started        21 WerFault.exe 4 10 12->21         started        23 WerFault.exe 10 14->23         started        signatures5 process6 dnsIp7 27 217.64.31.3, 8437 BAKINTER-ASBakinternetISPAzerbaijanAZ Azerbaijan 16->27
Threat name:
Win32.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2023-03-15 11:47:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:defendersmartscren rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
217.64.31.3:8437
Unpacked files
SH256 hash:
b761d6eac815a0bb592d78545a3af690eb9f46eaa65c9cc2d96ef2e0dbf6afbf
MD5 hash:
ace99a468a7a57549a1060dcd9937777
SHA1 hash:
eb62b235f4e1b5669874f6cbe6a0eacffee9edb5
SH256 hash:
505f991758d80fcea2477e3ae04e50ef7bf571065aea7a95ac3d4a3f2e3d1f0c
MD5 hash:
e8f756cf5566a5ed1a82c89f36350c35
SHA1 hash:
8656c016e27055f5135faf65b3ca742a08e57b22
Detections:
AsyncRAT win_asyncrat_w0
SH256 hash:
a96320adf8bcdc7a958e4a0d203b52edd4f30a17c025145f1e2dad399dc1ecc8
MD5 hash:
4ad54ce39db8454efc9d17000f1a6a48
SHA1 hash:
8216dbd37ba41aa8ab341cce7864853d7f7afc1c
SH256 hash:
ea9a3686784c9990761ae93d2a99fdf2bd2a4270119068542ef018e8f248432e
MD5 hash:
36e4122b5fdd4e5b802aa7c109c354fb
SHA1 hash:
36c47932fe865d933f2012182acfd1f05ba2002b
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: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 ea9a3686784c9990761ae93d2a99fdf2bd2a4270119068542ef018e8f248432e

(this sample)

  
Delivery method
Distributed via web download

Comments